Modine Manufacturing HDS Installation and Service Manual
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THIS MANUAL IS THE PROPERTY OF THE OWNER.
PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB.
Inspection on Arrival
1. Inspect unit upon arrival. In case of damage, report it
immediately to transportation company and your local
Modine sales representative.
2.
Check rating plate on unit to verify that power supply meets
available electric power at the point of installation.
3. Inspect unit upon arrival for conformance with description of
product ordered (including specifications where applicable).
Table of Contents
Inspection on Arrival. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Special Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
SI (Metric) Conversion Factors . . . . . . . . . . . . . . . . . . . . . . . . . 3
Unit Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Combustible Material and Service Clearances . . . . . . . . . 4
Unit Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Unit Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Gas Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrical Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Unit Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Service/Trouble Shooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
INSTALLATION AND SERVICE MANUAL
gas-fired unit heaters
model HDS
6-596.1
5H079440 Rev. A
March, 2005
All models approved for use in California by the CEC, in New
York by the MEA division, and in Massachusetts. Unit heater
is certified for residential and commercial applications.
WARNING
Improper installation, adjustment, alteration,
service or maintenance can cause property
damage, injury or death, and could cause
exposure to substances which have been
determined by various state agencies to cause
cancer, birth defects or other reproductive
harm. Read the installation, operating and
maintenance instructions thoroughly before
installing or servicing this equipment.
FOR YOUR SAFETY
The use and storage of gasoline or other
flammable vapors and liquids in open
containers in the vicinity of this appliance
is hazardous.
CAUTION
To prevent premature heat exchanger failure
do not locate ANY gas-fired units in areas
where chlorinated, halogenated or acid
vapors are present in the atmosphere.
FOR YOUR SAFETY
WHAT TO DO IF YOU SMELL GAS:
1. Open windows.
2. Do not try to light any appliance.
3. Do not touch any electrical switch; do
not use any phone in your building.
4. Immediately call your gas supplier
from a neighbor’s phone. Follow the gas
supplier’s instructions. If you can not reach
your gas supplier, call your fire department.
IMPORTANT
The use of this manual is specifically
intended for a qualified installation and
service agency. All installation and service
of these units must be performed by a
qualified installation and service agency.
SPECIAL PRECAUTIONS/TABLE OF CONTENTS
2
SPECIAL PRECAUTIONS
THE INSTALLATION AND MAINTENANCE INSTRUCTIONS IN THIS
MANUAL MUST BE FOLLOWED TO PROVIDE SAFE, EFFICIENT AND
TROUBLE-FREE OPERATION. IN ADDITION, PARTICULAR CARE
MUST BE EXERCISED REGARDING THE SPECIAL PRECAUTIONS
LISTED BELOW. FAILURE TO PROPERLY ADDRESS THESE
CRITICAL AREAS COULD RESULT IN PROPERTY DAMAGE OR
LOSS, PERSONAL INJURY, OR DEATH. THESE INSTRUCTIONS
SUBJECT TO ANY MORE RESTRICTIVE LOCAL OR NATIONAL
CODES.
HAZARD INTENSITY LEVELS
1. DANGER: Indicates an imminently hazardous situation
which, if not avoided, WILL result in death or serious injury.
2. WARNING: Indicates a potentially hazardous situation
which, if not avoided, COULD result in death or serious injury.
3. CAUTION: Indicates a potentially hazardous situation which,
if not avoided, MAY result in minor or moderate injury.
4. IMPORTANT: Indicates a situation which, if not avoided,
MAY result in a potential safety concern.
DANGER
Appliances must not be installed where they may be exposed
to a potentially explosive or flammable atmosphere.
WARNING
1. Gas fired heating equipment must be vented - do not
operate unvented.
2. A built-in power exhauster is provided - additional external
power exhausters are not required or permitted.
3. All field gas piping must be pressure/leak tested prior to
operation. Never use an open flame. Use a soap solution
or equivalent for testing.
4. Gas pressure to appliance controls must never exceed 14"
W.C. (1/2 psi).
5. Disconnect power supply before making wiring connections
to prevent electrical shock and equipment damage.
6. All appliances must be wired strictly in accordance with
wiring diagram furnished with the appliance. Any wiring
different from the wiring diagram could result in a hazard to
persons and property.
7. Any original factory wiring that requires replacement must
be replaced with wiring material having a temperature
rating of at least 105°C.
8. When servicing or repairing this equipment, use only
factory-approved service replacement parts. A complete
replacements parts list may be obtained by contacting
the factory. Refer to the rating plate on the appliance for
complete appliance model number, serial number, and
company address. Any substitution of parts or controls not
approved by the factory will be at the owners risk.
9. If you are replacing an existing heater, it may be necessary
to resize the venting systems. Improperly sized venting
systems can result in vent gas leakage or the formation of
condensate. Refer to the National Fuel Gas Code ANSI
Z223.1 or CSA B149.1 latest edition. Failure to follow these
instructions can result in injury or death.
10. To reduce the opportunity for condensation, the minimum
sea level input to the appliance, as indicated on the serial
plate, must not be less than 5% below the rated input, or
5% below the minimum rated input of duel rated units.
11. Ensure that the supply voltage to the appliance, as
indicated on the serial plate, is not 5% greater than the
rated voltage.
CAUTION
1. Installation must conform with local building codes or in the
absence of local codes, with Part 7, Venting of Equipment,
of the National Fuel Gas Code, ANSI Z223.1 (NFPA 54) -
latest edition. In Canada installation must be in accordance
with CSA B149.1.
2. Consult piping, electrical, and venting instructions in this
manual before final installation.
3. Turn off all gas before installing appliance.
4. When leak testing the gas supply piping system, the
appliance and its combination gas control must be isolated
during any pressure testing in excess of 14" W.C. (1/2 psi).
5. Check the gas inlet pressure at the unit upstream of the
combination gas control. The inlet pressure should be 6-7"
W.C. on natural gas or 12-14" W.C. on propane. If inlet
pressure is too high, install an additional pressure regulator
upstream of the combination gas control.
6. Purging of air from gas supply line should be performed as
described in ANSI Z223.1 - latest edition “National Fuel
Gas Code”, or in Canada in CSA B149.1 codes.
7. The minimum distance from combustible material is based
on the combustible material surface not exceeding 160°F.
Clearance from the top of the unit may be required to be
greater then the minimum specified if heat damage, other
than fire, may occur to materials above the unit heater at
the temperature described.
8. Do not attempt to reuse any mechanical or electronic
ignition controllers which has been wet. Replace defective
controller.
9. Do not install unit outdoors.
10. Servicing or repairing of this equipment must be performed
by a qualified service agency.
11. Do not install units below 7' measured from the bottom of
the unit to the floor in commercial applications (unless
unit is properly guarded to provide user protection from
moving parts)and 5' measured from the bottom of the unit
to the floor in residential applications.
12. Be sure no obstructions block air intake and discharge of
unit heaters.
13. Allow 18" of clearance at rear (or 6" beyond end of motor at
rear of unit, whichever is greater) and access side to
provide proper operation of fan.
14. Installation of units in high humidity or salt water
atmospheres will cause accelerated corrosion resulting in a
reduction of the normal life of the units.
15. The unit should be isolated from the gas supply piping
system by closing its field installed manual shut-off valve.
This manual shut-off valve should be located within 6' of
the heater.
16. In aircraft hangars, keep the bottom of the unit at least 10'
from the highest surface of the wings or engine enclosure
of the highest aircraft housed in the hangars and in
accordance with the requirements of the enforcing authority
and/or NFPA 409-latest edition.
33
SI (METRIC) CONVERSION FACTORS
Table 3.1
GENERAL
In the U.S., the installation of these units must comply with the
“National Fuel Gas Code,” ANSI Z223.1, latest edition (also
known as NFPA 54) and other applicable local building codes.
In Canada, the installation of these units must comply with local
plumbing or waste water codes and other applicable codes and
with the current code CSA B149.1.
1. All installation and service of these units must be
performed by a qualified installation and service agency
only as defined in ANSI Z223.1, latest edition or in Canada
by a licensed gas fitter.
2. This unit is certified with the controls furnished. For
replacements parts, please order according to the
replacement parts list on serial plate. Always know your
model and serial numbers. The right is reserved to
substitute other authorized controls as replacements.
3. Unit is balanced for correct performance. Do not alter fan
or operate motors at reduced speed.
4. Information on controls is supplied separately.
5. The same burner is used for natural and propane gas.
UNIT LOCATION
Location Recommendations
1. When locating the furnace, consider general space and
heating requirements, availability of gas and electrical
supply, and proximity to vent locations.
2. When locating units, it is important to consider that the
combustion air and exhaust vent piping must be connected
to the outside atmosphere. Vent terminals should be located
adjacent to one another. Maximum equivalent vent lengths
are listed in table 5.1 on page 5.
3. Be sure the structural support at the unit location site is
adequate to support the weight of the unit. For proper
operation the unit must be installed in a level horizontal
position.
4. Do not install units in locations where the flue products
can be drawn into the adjacent building openings such as
windows, fresh air intakes, etc.
SPECIAL PRECAUTIONS / SI (METRIC) CONVERSION FACTORS / UNIT LOCATION
CAUTION
1. Low profile heaters are designed for use in heating
applications with ambient temperatures between -40°F
and 90° F.
2. Do not install unit outdoors.
3. In garages or other sections of aircraft hangars such
as offices and shops that communicate with areas used for
servicing or storage, keep the bottom of the unit at least
7 feet above the floor unless the unit is properly guarded
to provide user protection from moving parts. In parking
garages, the unit must be installed in accordance with
the standard for parking structures ANSI/NFPA 88A, and
in repair garages the standard for repair garages NFPA
#88B. In Canada, installation of heaters in airplane
hangars must be in accordance with the requirements
of the enforcing authority, and in public garages in
accordance with the current CSA B149.1 codes.
4. In aircraft hangars, keep the bottom of the unit at least
10' from the highest surface of the wings or engine
enclosure of the highest aircraft housed in the hangars
and in accordance with the requirements of the enforcing
authority and/or NFPA 409-latest edition.
5. Installation of units in high humidity or salt water
atmospheres will cause accelerated corrosion resulting in
a reduction of the normal life of the units.
DANGER
Appliances must not be installed where they may be exposed
to a potentially explosive or flammable atmosphere.
To Convert Multiply By To Obtain
"W.C. 0.24 kPa
psig 6.893 kPa
°F (°F-32) x 0.555 °C
inches 25.4 mm
feet 0.305 meters
CFM 0.028 m
3
/min
To Convert Multiply By To Obtain
CFH 1.699 m
3
/min
Btu/ft
3
0.0374 mJ/m
3
pound 0.453 kg
Btu/hr 0.000293 kW/hr
gallons 3.785 liters
psig 27.7 "W.C.
CAUTION
1. All literature shipped with this unit should be kept for future
use for servicing or service diagnostics. Do not discard
any literature shipped with this unit.
2. Consult piping, electrical, and venting instructions in this
manual before final installation.
3. Do not attach ductwork, air filters, or polytubes to any
propeller unit heater.
CAUTION
17. In garages or other sections of aircraft hangars such
as offices and shops that communicate with areas used for
servicing or storage, keep the bottom of the unit at least
7 feet above the floor unless the unit is properly guarded
to provide user protection from moving parts. In parking
garages, the unit must be installed in accordance with
the standard for parking structures ANSI/NFPA 88A, and
in repair garages the standard for repair garages NFPA
#88B. In Canada, installation of heaters in airplane
hangars must be in accordance with the requirements
of the enforcing authority, and in public garages in
accordance with the current CSA B149.1 codes.
18. Low profile heaters are designed for use in heating.
applications with ambient temperatures between -40°F
and 90°F.
19. All literature shipped with this unit should be kept for
future use for servicing or service diagnostics. Do not
discard any literature shipped with this unit.
20. Ensure that the supply voltage to the appliance, as
indicated on the serial plate, is not 5% less than the rated
voltage.
21. Do not attach ductwork, air filters, or polytubes to any
propeller unit heater.
IMPORTANT
1. To prevent premature heat exchanger failure, do not locate
ANY gas-fired appliances in areas where corrosive vapors
(i.e. chlorinated, halogenated or acid) are present in the
atmosphere.
2. To prevent premature heat exchanger failure, the input to
the appliance as indicated on the serial plate, must not
exceed the rated input by more then 5%.
IMPORTANT
To prevent premature heat exchanger failure, do not locate
ANY gas-fired appliances in areas where corrosive vapors
(i.e. chlorinated, halogenated or acid) are present in the
atmosphere.
5. Be sure that the minimum clearances to combustible
materials and recommended service clearances are
maintained. Units are designed for installation with the
minimum clearances as shown in table 4.1.
Table 4.1
Clearances
6. Do not install units in locations where gas ignition system is
exposed to water spray, rain, or dripping water.
7. Mounting Height (measured from bottom of unit) at which
unit heaters are installed is critical. Refer to mounting height
information and heat throw data on page 12 of this manual.
The maximum mounting height for any unit is that height
above which the unit will not deliver heated air to the floor.
Turning The Unit 180°
All units are produced at the factory with left-side controls, when
looking at the front of the unit. If the installation requires that
the controls be on the right side, the unit heater can be “turned
over”. In addition, the following instructions must be followed:
• By turning the unit 180° from the way it was received from
the factory, the sides become opposite but the front and
back remain in the same relative position. The bottom panel
now becomes the top panel and vice-versa.
• Remove the access panel, turn it 180°, and re-attach it to
the unit. This is important so that all the information labels
can be read.
• Remove the spring loaded deflector blades, turn them over,
replace, and adjust so they are open and in a position to
direct the heated air down to the floor.
1. Be sure the means of suspension is adequate to support
the weight of the unit (see page 12 for unit weights).
2. For proper operation, the unit must be installed in a level
horizontal position.
3. Clearances to combustibles in Table 4.1 must be strictly
maintained.
4. Mounting bracket installation:
Before lifting the heater for suspension, the mounting
brackets must be installed. Decide if the unit will be
installed as standard; that is with left-side controls when
looking at the front of the unit or with right-side controls.
For standard (left side)remove brackets from shipping
position and remove the (3) screws along the top edge of
both the front and back of unit. Align screw holes on
mounting bracket with holes along front and back top
edges. Secure (1) mounting bracket to front of unit with
retained screws. Secure the other mounting bracket to
back of unit in a similar way. (see Figure 4.1)
Figure 4.1
Unit Heater in Standard Mounting Configuration
For right-hand, the mounting brackets are attached in a
similar manner after the unit is turned over.
5a. Suspension by screws/lag bolts:
Secure the mounting brackets to the ceiling joists or truss,
using 1/4" screws with 1/2" washers. These 1" - angle,
mounting brackets are slotted to accommodate joists
on 16" or 24" centerlines.
5b. Suspension by threaded rod:
This heater can also be hung utilizing the same mounting
brackets and threaded rod. Attach the threaded rod to the
unit mounting brackets, securing with a top and bottom nut.
Next, drill holes into a steel channel or angle iron at the
same centerline dimensions as those chosen for the heater
that is being installed. The steel channels or angle iron
pieces need to span and be fastened to appropriate
structural members. Cut the threaded rods to the preferred
length, push them through the holes in the steel channel or
angle iron and secure with washers and lock nuts, lock
washers and nuts, or a double nut arrangement like used
on the unit heater mounting brackets.
5c. Shelf mounted units:
The unit heater can also be installed on a shelf, if so
desired. The mounting brackets will need to be attached to
the heater the same manner as explained earlier, however,
to mount on a shelf the brackets must go on the bottom of
the heater. The brackets must be affixed to the shelf using
similar screws (1/4" screw with 1/2" washer) as overhead
joist or truss mounting. Be sure all clearance to combustible
requirements are met.
4
CAUTION
1.
Do not install units below 7' measured from the bottom of
the unit to the floor in commercial applications (unless
unit is properly guarded to provide user protection from
moving parts) and 5' measured from the bottom of the unit
to the floor in residential applications.
2. Be sure no obstructions block air intake and discharge
of unit heaters.
3. The minimum distance from combustible material is
based on the combustible material surface not
exceeding 160°F. Clearance from the top of the unit
may be required to be greater than the minimum
specified if heat damage, other than fire, may occur to
materials above the unit heater at the temperature
described.
4. Allow 18" clearance at rear (or 6" beyond end of motor
at rear of unit, whichever is greater) and access side to
provide ample air for proper operation of fan.
UNIT SUSPENSION
Unit Side
Top and Bottom 1" 1"
Access Side 1" 18"
Non-Access Side 1" 1"
Rear 18" 18"
Vent Connector 4" 4"
Clearance To
Combustible
Materials
Recommended
Service Clearance
UNIT LOCATION / UNIT MOUNTING
1. From Table 5.1, select the size of vent and combustion air
pipe that fits the flue outlet and combustion air intake. The
pipe should be galvanized steel or other suitable corrosion
resistant material. Follow the National Fuel Gas Code for
minimum thickness of vent material. The minimum thickness
for connectors varies depending on the pipe diameter.
2. Vertically vented (horizontal run does not exceed 75% of
vertical rise) units may be vented with single or double
wall vent pipe. Horizontally vented units must use single
wall vent pipe although one continuous section of double
wall vent pipe may be used with the vent system. Under no
circumstances should two sections of double wall vent pipe
be joined together within one vent system due to the inability
to verify complete seal of inner pipes.
Note: A vent is the vertical passageway used to convey flue gases from the unit
or the vent connector to the outside atmosphere. A vent connector is the
pipe which connects the unit to a vent or chimney. Vent connectors serving
Category I appliances shall not be connected into any portion of mechanical
draft systems operating under positive pressure.
3. A minimum of 12 inches straight pipe is recommended from
the flue outlet before turns in the vent pipe. For vertical
venting, it is recommended to install a tee with drip leg and
clean out cap to the flue outlet followed by a 90° elbow.
4. Install the vent and combustion air pipes with a minimum
downward slope from the appliance of 1/4 inch per foot and
suspend securely from overhead structures at no points
greater than 3 feet apart. Fasten individual lengths of vent
together with at least three corrosion resistant sheet metal
screws.
5. Keep single wall vent pipe at least 6 inches from combustible
materials. Follow the double wall manufacturer’s clearances
to combustibles. The minimum distance from combustible
materials is based on the combustible material surface not
exceeding 160°F. Clearance from the vent pipe (or the top
of the unit) may be required to be greater than 6 inches if
heat damage other than fire (such as material distortion or
discoloration) could result.
6. Avoid venting through unheated space when possible. When
venting does pass through an unheated space or if the unit
is installed in an environment that promotes condensation,
insulate runs greater than 5 feet to minimize condensation.
Inspect for leakage prior to insulating and use insulation that
is noncombustible with a rating of not less than 350°F. Install
a tee fitting at the low point of the vent system and provide a
drip leg with a clean out cap as shown in Figures 7.2 and 7.3.
7. When the vent passes through an INTERIOR wall or floor,
a metal thimble 4 inches greater than the vent diameter
is necessary. If there is 6 feet or more of vent pipe in the
open space between the appliance and where the vent pipe
passes through the wall or floor, the thimble need only be 2
inches greater than the diameter of the vent pipe. If a thimble
is not used, all combustible material must be cut away to
provide 6 inches of clearance. Any material used to close the
opening must be noncombustible.
8. Refer to Table 5.1 for total minimum and maximum vent
lengths making the vent system as straight as possible.
9. Seal the seams and joints with a metallic tape or silastic
suitable for temperatures up to 350°F. (3M tapes 433 or 363
are acceptable.) Wrap the tape two full turns around the vent
pipe.
10. Do NOT vent this appliance into a masonry chimney.
11. Do NOT use dampers or other devices in the vent or
combustion air pipes.
12. The venting system must be exclusive to a single appliance,
and no other appliance is allowed to be vented into it.
5
INSTALLATION
WARNING
1. Gas fired heating equipment must be vented - do not
operate unvented.
2. A built-in power exhauster is provided - additional external
power exhausters are not required or permitted.
3. If you are replacing an existing heater, it may be necessary
to resize the venting systems. Improperly sized venting
systems can result in vent gas leakage or the formation of
condensate. Refer to the National Fuel Gas Code ANSI
Z223.1 or CSA B149.1 latest edition. Failure to follow these
instructions can result in serious injury or death.
CAUTION
Installation must conform with local building codes or in the
absence of local codes, with Part 7, Venting of Equipment, of
the National Fuel Gas Code, ANSI Z223.1 (NFPA 54) - latest
edition. In Canada installation must be in accordance with
CSA B149.1
Venting
Table 5.1
Venting Information
Model Vent/ Minimum Maximum Horz.
Size Combination Equivalent Equivalent Vent
Air Size Vent Length Length
30,45 3" 3' 25'
60,75 4" 3' 25'
Table 5.2
Equivalent Vent Lengths for 90° Elbows
Elbow Diameter Equivalent Length
3" 1'
4" 5'
Figure 5.1
Venting Through Combustible Wall or Roof
Listed
Terminal
Flashing
Listed
Thimble
Listed
Terminal
Flashing
Clearance Specified
by Type B Vent Mfg.
Listed
Thimble
Single Wall Vent Pipe
Double Wall Vent Pipe
Single Wall Vent Pipe Terminating
with Double wall vent pipe.
Single Wall Vent Pipe
Double
Wall
Single
Wall
Specified
Terminal
Clearance Specified
by Type B Vent Mfg.
Single
Wall
Specified
Terminal
13. Long runs of horizontal or vertical combustion air pipes may
require insulation in very cold climates to prevent the buildup
of condensation on the outside of the pipe where the pipe
passes through conditioned spaces.
14. Vertical combustion air pipes should be fitted with a tee
with a drip leg and a clean out cap to prevent against the
possibility of any moisture in the combustion air pipe from
entering the unit. The drip leg should be inspected and
cleaned out periodically during the heating season.
15. When condensation may be a problem, the venting system
shall not terminate over public walkways or over an area
where condensation or vapor could create a nuisance or
hazard or could be detrimental to the operation of regulator/
relief openings or other equipment.
16. Precautions must be taken to prevent degradation of
building materials by flue products.
17. A unit located within an unoccupied attic or concealed space
shall not be vented with single wall vent pipe.
18. Single wall vent pipe must not pass through any attic, inside
wall, concealed space, or floor.
19. The outlet of the vent should extend as shown in Figure
6.1 and Table 6.1 if the following conditions are met: Vent
diameter is less than 12 inches, vent is of double wall
construction and is a listed product, and the vent does not
terminate within 10' of a vertical wall or similar obstruction.
For vents that have a diameter of 12 inches or larger,
constructed of single wall, or terminate within 2' of a vertical
wall or similar obstruction, the vent pipe shall extend at least
2' higher than any portion of a building within a horizontal
distance of 2' (refer to Figure 8.2).
20. The vent system exhaust shall terminate at least 3' above
any forced air inlet located within 10', and at least 4' below,
4' horizontally from, or 1' above any door, window, or gravity
air inlet into any building and 2' from wall or adjoining
building.The bottom of the vent terminal shall be located
above the snow line or at least 1' above grade; whichever is
greater. When located adjacent to public walkways the vent
system shall terminate not less than 7' above grade.
21. A minimum of 4' horizontal terminal clearance (6' for
Canada) from gas and electric meters, regulators, and relief
equipment is required. The vent terminal shall not terminate
closer that 2' to adjacent buildings.
Size according to expected snow depth.
Venting Instructions for Concentric Vent
Options
The concentric vent concept allows for the vent pipe and the
combustion air pipe to pass through one hole in an EXTERIOR
wall or roof. The concentric vent kits offered are horizontal or
vertical. Venting with 2 pipes; a combustion air pipe and flue
product vent pipe remains an option, primarily for replacement
heaters where two holes through the exterior of a building
already exist. When utilizing the concentric vent option, you have
already pre-determined whether the appliance will be horizontal
vent or vertical vent and have received the appropriate kit. At
this time, you need to verify that you have all the components
required for the venting option chosen. The components for each
kit are as follows:
Horizontal Concentric Vent Kit Contents:
• concentric adapter assembly
• specially designed vent termination cap (part #5H75150B1)
• specially designed inlet air guard
Vertical Concentric Vent Kit Contents:
• concentric adapter assembly
• standard Briedert Type L or Gary Steel 1092 vent termination
cap (part #5H72285B1)
• specially designed inlet terminal (part #5H75154B1)
Although the first installation you will make will be the concentric
adapter assembly, you should now “read ahead” in the
instructions for the type of venting option you’ve already chosen
- i.e. horizontal concentric, vertical concentric, 2 pipe horizontal
or 2 pipe vertical. These instructions can be found on pages 6, 7,
or 8 of these installation instructions. After reading your specific
instructions, come back to “Installing the Concentric Vent Adapter
Box” section and begin.
6
Figure 6.1
Vertical Venting Through Sloped Roof
COMBUSTION AIR
EXHAUST
USE THIMBLE
THROUGH CELLING
TEE WITH
AND CLEANOUT CAP
LISTED TERMINAL
LISTED TERMINAL
ROOF PITCH IS
X / 12
DOWNWARD SLOPE
1/4" TOWARDS DRIP LEG.
USE LISTED THIMBLE
FLASHING
RECOMMENDED
12
X
H
H
12.00
DRIP LEG
Table 6.1
Minimum Height to Lowest Vent System Opening
CAUTION
The concentric vent adapter box must be installed inside of
the structure or building. Do not install this box on the exterior
of a building or structure.
0-6 Flat to 6/12 1.00
6-7 6/12 to 7/12 1.25
7-8 7/12 to 8/12 1.50
8-9 8/12 to 9/12 2.00
9-10 9/12 to 10/12 2.50
10-11 10/12 to 11/12 3.25
11-12 11/12 to 12/12 4.00
12-14 12/12 to 14/12 5.00
14-16 14/12 to 16/12 6.00
16-18 16/12 to 18/12 7.00
18-20 18/12 to 20/12 7.50
20-21 20/12 to 21/12 8.00
Rise
X (in)
Roof Pitch
Min Height H
(ft)
INSTALLATION
77
Installing the Concentric Vent Adapter Box
1. Determine the location of the box. Refer to the instructions
in the following sections for the method of venting to be
used (vertical or horizontal). Maintain all clearances as
listed in these instructions.
2. This box can be mounted flush to the wall or roof, or the box
can be offset from the wall or roof by using field supplied
brackets. When mounting the box, consider serviceability
and access to the vent and combustion air pipes.
3. If the box is to be mounted using field supplied brackets,
these brackets must be strong enough to rigidly secure the
box to the wall or roof, and should be made from corrosion
resistant material. After determining the length of the field
supplied brackets, attach them to the sides of the box using
several corrosion resistant sheet metal screws. See Figure
7.1 for typical installation and brackets.
Figure 7.1
Adapter Box Assembly with Vent Outlet Pipe Attached
5. Determine the appropriate length of vent pipe that must be
attached to the vent outlet (the concentric side) of the box.
Refer to Table 5.1 for the horizontal concentric venting and
vertical concentric venting minimum length of vent pipe to
be used for the method of venting (vertical or horizontal).
Make sure to add the length of the field supplied brackets
if used, and the thickness of the wall or roof.
6. Cut the vent pipe to the proper length and attach it to the
vent outlet of the concentric vent adapter box using at
least 3 corrosion resistant sheet metal screws. Seal the
joint and seam using metallic tape or silastic suitable for
temperatures up to 350° F. Wrap the tape two full turns
around the vent pipe. See Figure 7.1.
7. Determine the length of the combustion air pipe to extend
through the wall. Refer to the horizontal concentric venting
and vertical concentric venting sections for the minimum
length of combustion air pipe to be used for the method of
venting being used, vertical or horizontal. Cut the pipe to
the proper length.
8. Slide the combustion air pipe over the vent pipe and seal
the joints and seam with a metallic tape or silastic suitable
for temperatures up to 350˚F (3M tapes 433 or 363 are
acceptable). Wrap the tape two full turns around the vent
pipe. Attach the combustion air pipe to the adapter box
using at least 3 non corrosive sheet metal screws. See
Figure 7.2
Figure 7.2
Adapter Box Assembly with Combustion Air Pipe Attached
9. Place this assembly (the adapter box, vent pipe and
combustion air pipe) through the wall or roof and verify
that the distance requirements as defined in the following
sections are met. Securely attach the assembly (adapter
box and vent and combustion air pipe).
10. For model sizes 30 and 45, place the 3” to 4” vent
transitions on the non-concentric side and attached with 3
corrosion resistant fasteners.
Horizontal Concentric Venting:
Figure 7.3
Horizontal Concentric Vent (rear pipe hidden)
1. The vent pipe must terminate with the terminal supplied by
the manufacturer for horizontal venting. Refer to the parts
list on page 6 for the appropriate part.
2. The combustion air pipe must terminate at least 1 inch
from the wall. This will prevent water from running down the
wall and into the pipe and allows for easy installation of the
combustion air intake guard.
3. Caulk between the wall and the air intake pipe.
4. Maintain 14 inches from the combustion air inlet to the back
of the vent terminal.
5. Attach the combustion air intake guard using non corrosive
screws as shown in Figure 7.2. This guard must be placed
at the end of the pipe on the exterior of the building. This
guard helps to prevent animals and debris from entering
the combustion air pipe.
Table 7.1
Concentric Vent Adapter Box Dimensions
Outlet Vent Pipe Attached
Field Supplied
Mounting Brackets
B
C
A
Outlet Vent
Pipe Attached
Combustion Air
Pipe Attached
Combustion Air
Intake Guard
Building Side Wall
Outlet Vent
Termination Cap
Combustion Air
Intake Guard
A B C
Outlet Inlet Outlet Inlet
30,45 8.25" 11.75" 4" 4" 4" 4" 6"
60,75
Model
Size
Non Concentric
Size
Concentric
Side
INSTALLATION
8
Vertical Concentric Venting:
Figure 8.1
Vertical Concentric Vent (Back view typical)
1. The vent must terminate with a Gary Steel Model 1092 or
Briedert Type L cap for the appropriate pipe size.
2. The combustion air pipe must terminate with the cap
supplied by the manufacturer. This cap is specially designed
to work with the concentric vent system. Refer to the parts
list on page 6 for the appropriate part.
3. The bottom of the air intake pipe must terminate above the
snow line, or at least 12 inches above the roof, which ever
distance is greater.
4. The bottom of the vent cap must terminate at least 6 inches
above the top of the air intake cap.
5. To attach the caps, slide the combustion air cap over the
vent pipe and fasten it to the combustion air pipe with at
least 3 non corrosive fasteners. Then, attach the vent cap to
the vent pipe, also using at least 3 non corrosive fasteners.
6. Caulk the gap between the combustion air cap and the vent
pipe with silicone sealant, or other appropriate sealants
suitable for metal to metal contact and for temperatures of
350° F.
2 Pipe Venting
Two pipe venting refers to using two penetrations through an
exterior wall or roof. This method of venting is primarily used
for replacement units where two holes through the exterior of a
building exist. To vent using this method, either (2) Briedert Type
L style caps or (2) Gary Steel Model 1092 (3" part #5H72285B5,
4" part #5H72285B1) caps must be used. These caps are used
for both vertical and horizontal venting of the units.
Vertical 2 Pipe Venting
1. Construct the vent system as shown in Figure 8.2.
2. The bottom of the combustion air cap must be located
above the snow line or 12 inches above the roof, which ever
is greater.
3. The vent must terminate at least 1 foot above and 6 inches
horizontally from the combustion air inlet.
4. When the vent passes through a combustible roof, a
metal thimble 4 inches greater than the vent diameter is
necessary. If there are 6 feet or more of vertical vent pipe
in the open space between the unit heater and where the
vent pipe passes through the roof, the thimble need only
be 2 inches greater than the diameter of the vent pipe. If
a thimble is not used, all combustible material must be cut
away to proved a 6 inch clearance. Any material used to
close the opening must be noncombustible.
Figure 8.2
Vertical 2 Pipe Vent
Horizontal 2 Pipe Venting
1. Construct the vent system as shown in Figure 8.3.
Figure 8.3
Horizontal 2 Pipe Vent
2. When horizontal vents pass through a combustible wall (up
to 22 inches thick), the vent passage must be constructed
and insulated as shown in Figure 8.4.
Figure 8.4
Exhaust Vent Construction Through Combustible
Walls and Support Bracket
3. The termination of horizontally vented system must extend
16 inches beyond the exterior surface of an exterior wall.
4. The combustion air pipe must be a minimum of 6 inches
below the vent pipe, and 4 inches from the exterior wall.
5. Support the vent and combustion air pipe as shown in
Figure 8.4.
Combustion Air
Inlet Terminal
Outlet Vent
Termination Cap
Building
Roof / Ceiling
Combustion Air
Exhaust
* SIZE ACCORNING
TO EXPECTED
SNOW DEPTH.
TO WALL OR ADJOINING BUILDING
12" MIN
12" MIN*
2' MIN
6" MIN
USE THIMBLE
THROUGH
CELLING
TEE WITH DRIP LEG
AND CLEANOUT CAP
ROOF FLASHING
TERMINAL
TERMINAL
COMBUSTION AIR
EXHAUST
SLOPE 1/4" PER FOOT
DOWNWARD FROM UNIT
TEE WITH DRIP LEG AND
CLEANOUT CAP AT LOW
POINT OF VENT SYSTEM
TERMINAL
SUPPORT BRACKET
6" MIN
2' MIN
4" MIN
12"
ADJACENT
BUILDING
METAL
SLEEVE
FIBER GLASS
INSULATION
MIN. 2"
2" MIN.
VENT TERMINATION
SUPPORT BRACKET
(where required)
(Make from 1" x 1" steel angle)
9"
9"
45°
1"
METAL
SLEEVE
2" MIN.
VENT PIPE
DIAMETER
METAL FACE
PLATE
1"
INSTALLATION
Length
of Pipe
(feet) Natural Propane Natural Propane Natural Propane Natural Propane Natural Propane Natural Propane
10 132 83 278 175 520 328 1050 662 1600 1008 3050 1922
20 92 58 190 120 350 221 730 460 1100 693 2100 1323
30 73 46 152 96 285 180 590 372 890 561 1650 1040
40 63 40 130 82 245 154 500 315 760 479 1450 914
50 56 35 115 82 215 135 440 277 670 422 1270 800
60 50 32 105 66 195 123 400 252 610 384 1150 725
70 46 29 96 60 180 113 370 233 560 353 1050 662
80 43 27 90 57 170 107 350 221 530 334 930 586
100 38 24 79 50 150 95 305 192 460 290 870 548
125 34 21 72 45 130 82 275 173 410 258 780 491
150 31 20 64 40 120 76 250 158 380 239 710 447
1. Installation of piping must conform with local building codes,
or in the absence of local codes, with the National Fuel Gas
Code, ANSI Z223.1 (NFPA 54) - latest Edition. In Canada,
installation must be in accordance with CSA 149.1.
2. Piping to units should conform with local and national
requirements for type and volume of gas handled, and
pressure drop allowed in the line.Refer to Table 13.1 to
determine the cubic feet per hour (CFH) for the type of gas
and size of unit to be installed. Using this CFH value and
the length of pipe necessary, determine the pipe diameter
from Table 9.1. Where several units are served by the
same main, the total capacity, CFH and length of main must
be considered. Avoid pipe sizes smaller than 1/2". Table
9.1 allows for a 0.3" W.C. pressure drop in the supply
pressure from the building main to the unit. The inlet
pressure to the unit must be 6-7" W.C. for natural gas and
11-14" W.C. for propane gas. When sizing the inlet gas pipe
diameter, make sure that the unit supply pressure can be
met after the 0.3" W.C. has been subtracted. If the 0.3"
W.C. pressure drop is too high, refer to the Gas Engineer’s
Handbook for other gas pipe capacities.
3. Install a ground joint union with brass seat and a manual
shut-off valve adjacent to the unit for emergency shut-off
and easy servicing of controls, including a 1/8" NPT
plugged tapping accessible for test gauge connection
(See Figure 9.1). Verify the manual shut-off valve is
gas tight on an anual basis.
4. Provide a sediment trap before each unit in the line where
low spots cannot be avoided. (See Figure 9.1).
5. When Pressure/Leak testing, pressures above 14" W.C.
(1/2 psi), close the field installed shut-off valve, disconnect
the appliance and its combination gas control from the
gas supply line, and plug the supply line before testing.
When testing pressures 14" W.C. (1/2 psi) or below, close
the manual shut-off valve on the appliance before testing.
9
WARNING
1. All field gas piping must be pressure/leak tested prior to
operation. Never use an open flame. Use a soap solution
or equilavent for testing.
2. Gas pressure to appliance controls must never exceed 14"
W.C. (1/2 psi).
3. To reduce the opportunity for condensation, the minimum
sea level input to the appliance, as indicated on the serial
plate, must not be less than 5% below the rated input, or 5%
below the minimum rated input of duel rated units.
CAUTION
1. Purging of air from gas lines should be performed as
described in ANSI Z223.1 - latest edition “National Fuel
Gas Code”, or in Canada CSA B149.1 codes.
2. When leak testing the gas supply piping system, the
appliance and its combination gas control must be isolated
during any pressure testing in excess of 14" W.C. (1/2 psi).
3. The unit should be isolated from the gas supply piping
system by closing its field installed manual shut-off
valve.This manual shut-off valve should be located within
6' of the heater.
4. Turn off all gas before installing appliance.
Figure 9.1
Recommended Sediment Trap/Manual Shut-off Valve
Installation - Side or Bottom Gas Connection
GAS
SUPPLY LINE
GAS
SUPPLY LINE
GROUND
JOINT
UNION
MANUAL
SHUT-OFF
VALVE
3"
MIN.
SEDIMENT
TRAP
PLUGGED
1/8" NPT TEST
GAGE CONNECTION
TO
CONTROLS
➀ Manual shut-off valve is in the “OFF” position when handle is perpendicular to pipe.
INSTALLATION
Gas Connections
Table 9.1
Gas Pipe Capacities
1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
Pipe Diameter
IMPORTANT
To prevent premature heat exchanger failure, the input to the
appliance, as indicated on the serial plate, must not exceed
the rated input by more than 5%.
Gas Pipe Capacities (Up to 14 W.C. Gas Pressure through Schedule 40 Pipe)
Cubic Feet per Hour with Pressure Drop of 0.3 W.C.
Natural Gas - Specific Gravity - 0.60
Propane Gas - Specific Gravity - 1.50
10
INSTALLATION
WARNING
1. Disconnect power supply before making wiring
connections to prevent electrical shock and equipment
damage.
2. All appliances must be wired strictly in accordance with
wiring diagram furnished with the appliance. Any wiring
different from the wiring diagram could result in a hazard to
persons and property.
3. Any original factory wiring that requires replacement must
be replaced with wiring material having a temperature
rating of at least 105°C.
4. Ensure that the supply voltage to the appliance, as
indicated on the serial plate, is not 5% greater than rated
voltage.
CAUTION
Ensure that the supply voltage to the appliance, as indicated
on the serial plate, is not 5% less than the rated voltage.
All field installed wiring must be done in accordance with the
National Electrical Code ANSI/NFPA 70 – latest edition or
Canadian Electrical Code CSA C22.1 Part 1 or local codes. Unit
must be electrically grounded according to these codes.
The power to these unit heaters should be protected with a circuit
breaker.
Location of thermostat should be determined by heating
requirements and be mounted on an inside wall about 5' above
floor level where it will not be affected by heat from the unit or other
sources, or drafts from frequently opened doors. See instructions
packed with thermostat.
OPERATION
Prior to Operation
Although this unit has been assembled and fire-tested at the
factory, the following pre-operational procedures should be
performed to assure proper on-site operation.
1. Turn off power.
2. Check fan clearance. Fan should not contact casing when spun
by hand.
3. Check all electrical connections to be sure they are secure.
4. If you are not familiar with the unit’s controls (i.e. combination
gas control), refer to the control manufacturer’s literature
supplied with the unit.
5. Check that all horizontal deflector blades are open a minimum of
30° as measured from vertical.
FOR YOUR SAFETY READ BEFORE OPERATING
WARNING: If you do not follow these instructions exactly, a fire or
explosion may result causing property damage, personal injury or
loss of life.
A. This appliance does not have a pilot. It is equipped with an
ignition device which automatically lights the burner. Do not try
to light the burner by hand.
B. BEFORE OPERATING smell all around the appliance area for
gas. Be sure to smell next to the floor because some gas is
heavier than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do not use any
phone in your building.
• Immediately call your gas supplier from a neighbors
phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire
department.
C. Use only your hand to move the gas control switch. Never use
tools. If the switch will not move by hand, don’t try to repair it,
call a qualified service technician. Force or attempted repair
may result in a fire or explosion.
D. Do not use this appliance if any part has been under water.
Immediately call a qualified service technician to inspect the
appliance and to replace any part to the control system and
any gas control which has been under water.
E. Should overheating occur, or the gas supply fail to shut off, shut
off the manual gas valve to the appliance before shutting off the
electrical supply.
OPERATING INSTRUCTIONS
1. STOP! Read the safety information above.
2. Set thermostat to lowest setting.
3. Turn off all electric power to the appliance.
4. This appliance is equipped with an ignition device which
automatically lights the pilot. Do not try to light the pilot by hand.
5. Remove the access panel.
6. Move the gas control switch to the “OFF” position.
7. Wait five (5) minutes to clear out any gas. Then smell for gas,
including near the floor. If you smell gas, STOP! follow “B” in the
safety information above. If you don’t smell gas, go to the next
step.
8. Move the gas control switch to the “ON” position.
9. Replace control access panel.
10. Turn on all electric power to the appliance.
11. Set the thermostat to the desired setting.
12. If the appliance will not operate, follow the instructions “To Turn
Off Gas to Appliance” and call your service technician or gas
supplier.
Vent System Sizing Verification
1. Seal any unused openings in the venting system.
2. Inspect the venting system for proper size and horizontal pitch,
as required in the National Fuel Gas Code ANSI Z223.1 or
CSA B149.1. Installation Code-latest edition and these
instructions. Determine that there is no blockage or restriction,
leakage, corrosion and other deficiencies, which could cause an
unsafe condition.
Wiring
Table 10.1
Manifold Pressure & Gas Consumption
Natural Propane
Model BTU/Cu. Ft. 1050 2500 No. of
Size Specific Gravity 0.60 1.53 Orifices
Manifold Pressure In. W.C. 3.5 10.0
CFH 28.6 12.0 2
Gal/Hr. Propane .33
Sec/cu. ft. 126 300
Orifice Drill Size 49 56
CFH 42.9 18.0 3
Gal/Hr. Propane .50
Sec/cu. ft. 84 200
Orifice Drill Size 49 56
CFH 57.1 24.0 4
Gal/Hr. Propane .66
Sec/cu. ft. 63 150
Orifice Drill Size 49 56
CFH 71.4 30.0 5
Gal/Hr. Propane .83
Sec/cu. ft. 50 180
Orifice Drill Size 49 56
30
45
60
75
11
CONTROL OPERATING SEQUENCE
Figure 11.1
Major Gas, Electrical Service,
Safety and Other Components
➀ For series 103, the time delay relay is located on the terminal board.
For Hot Surface Ignition
Upon a call for heat from the thermostat, power is supplied to
the power exhauster motor. The unit will go through a purge
period and then the hot surface igniter will be energized. After
the igniter has warmed up, the main valve in the combination
control valve will open to allow gas to flow to the burners. If the
fan motor has not already started it will start shortly. If a flame
is not sensed for any reason the main valve will close and there
will be a short purge period before ignition is tried again. If the
flame is not sensed after four tries there will be at least a one
hour wait before ignition is tried again.
1. Wiring Diagram
2. Power Exhauster
3. LED Dignostic Codes
4. Pressure Switch
5. Terminal Board
6. Control Transformer
7. Serial Plate (hidden)
8. Flame Sensor (hidden)
9. Flame Rollout Switch
10. Limit Control (hidden)
15
14
13
12
11
11. Hot Surface Igniter (hidden)
12. Gas Orifi ces
13. Mounting Brackets
14. Combination Gas Control
15. Common Replacement Parts (hidden)
3. In so far as practical, close all building doors and windows
and all doors between the space in which the appliance(s)
connected to the venting system are located and other
spaces of the building. Turn on clothes dryers and any
exhaust fans such as range hoods and bathroom exhausts,
so they shall operate at maximum speed. Do not operate a
summer exhaust fan. Close fireplace dampers.
4. Follow the lighting instructions. Place the appliance being
inspected in operation. Adjust thermostat so that the
appliance will operate continuously.
5. After it has been determined that each appliance connected
to a venting system properly vents when tested as outlined
above, return doors, windows, exhaust fans, fireplace
dampers and any other gas-burning appliance to their
previous conditions of use.
6. If improper venting is observed during any of the above
tests, the venting system must be corrected.
TO TURN OFF GAS TO APPLIANCE
1. Set thermostat to lowest setting.
2 Turn manual shut-off valve located outside of the unit to the
closed position.
3. Turn off all electric power to the appliance if service is to be
performed.
4. Remove access panel.
5. Turn the gas valve switch to the “OFF” position.
6. Replace the access panel.
12
DIMENSIONS / GENERAL PERFORMANCE DATA
Certified for Residential
and Commercial Use
Top and Bottom 1" 1"
Access Side 1" 18"
Non-Access Side 1" 1"
Rear 18" 18"
Vent Connector 4" 4"
HDS30 HDS45 HDS60 HDS75
30,000 45,000 60,000 75,000
24,000 36,000 48,000 60,000
505 720 990 1,160
523 749 653 769
44 46 45 48
10 10 12 14
25 27 36 38
1/25 1/15 1/12 1/12
1,550 1,550 1,625 1,625
S . P. S . P. P. S . C . P. S . C .
1.5 2.4 1.2 1.2
2.8 3.7 2.5 2.5
3 3 4 4
Models
Btu/Hr Input
Btu/Hr Output
Entering Airflow (CFM)
Outlet Velocity
Air Temp. Rise (°F)
Mounting Height (Max ft.)
Heat Throw (ft.)
Unit Total Amps
Vent/Combustion air
Connector Size (in.)
Performance
Horsepower
RPM
Type
Amps
Motor
Data
HDS30 HDS45 HDS60 HDS75
26.8 26.8 26.8 26.8
12.2 12.2 18.0 18.0
16.5 16.5 16.5 16.5
14.9 14.9 14.9 14.9
10.1 10.1 15.9 15.9
7.25 7.25 10.75 10.75
18.5 18.5 18.5 18.5
7.6 7.6 7.835 7.835
1/2 1/2 1/2 1/2
34.5 34.5 34.5 34.5
22 22 25 25
2.74 2.74 3.15 3.15
3.19 3.19 5.55 5.55
10 10 14 14
55 60 80 85
Models
A
B
C
D
E
F
G
H
Gas Connection
I
J
K
L
Fan Diameter
Approx. Shipping Weight (lbs.)
Dimensions (inches)
• Ratings shown are for elevation up to 2000 feet above sea level (in Canada, refer to rating plate).
For elevations above 2000 ft., ratings should be reduced by approximately 4% for each 1000 ft. above sea level.
• Mounting Height is measured from the bottom of the unit.
• Heat Throws are calculated at 65°F ambient and unit fired at full rated input.
Throws for HDS30 and HDS45 are based on 8-foot mounting heights and at 10-foot heights for HDS60 and HDS75.
• S.P. = shaded pole, P.S.C. = permanent split capacitor
Control Codes
Single Stage, Hot Surface Ignition, 100% Shut-Off, Multiple Retry with Auto Reset from Lockout.
- Utilizes a single-stage combination gas control with built-in ignition control. Gas is lit with a hot
surface igniter on call for heat.
34
74
115V
115V
24V
24V
natural
propane
Control System Description
Control
Code No.
Service
Voltage
Thermostat
Voltage
Type of
Gas
Clearances
Unit Side
Clearance To
Combustible
Materials
Recommended
Service Clearance
1” - angle, mounting brackets are slotted to
accommodate joists on 16” or 24” centerlines.
25.10
23.10
21.10
19.10
17.10
9.10
7.10
5.10
3.10
1.10
0.00
Top View
Mounting
13
SERVICE / MAINTENANCE / TROUBLESHOOTING
General Maintenance
The unit and venting system must be checked once a year by a
qualified service technician.
Only people trained and familiar with the operation of unit
heaters and their controls should service this equipment.
Before any service, BE SURE TO TURN OFF GAS AT THE
MANUAL SHUT-OFF VALVE AHEAD OF THE COMBINATION
GAS CONTROL AND TURN OFF ALL ELECTRIC POWER TO
THE HEATER.
1. Service air moving components annually.
a. Check fan for fit on motor shaft and for damage to blades.
2. Keep unit free from dust, dirt, grease, and foreign matter,
paying particular attention to:
a. Combustion air inlets.
b. Burners and burner orifices. Turn off gas ahead of the
combination gas control and shut off electric power to
the heater. Remove the access panel, open the union on
the gas line, and disconnect the igniter and sensor wires.
Remove the screws that attach the burner tray to the
header plate and remove the burner tray and manifold
assembly from the heater. Carefully clean the burners
with a wire brush or other suitable means.
Replace any damaged or deteriorating burners or orifices.
Install the burner assembly back on to the header making
certain that all screws, pipes and electrical connections are
tight.
CAUTION: Be careful when handling the igniter.
1. Inspect the flame sensor and igniter for deterioration
and/or cracks.
2. Verify that the burners are touching each other
at the carryover points. This will ensure flame
carryover from burner to burner.
c. Clean exterior of heat exchanger tubes.
d. Fan blade.
3. Check wiring for possible loose connections.
4. Controls – See control instruction sheets furnished
separately with the unit heater.
5. Power exhaust assembly/motors – The power exhaust
motor bearings have been lubricated for long life and do not
require additional lubrication. In dirty atmosphere, it may be
desirable to clean the motors and blower housing and blow
out the cooling air passages of the motor with compressed air.
6. Perform periodic cleaning of inlet and vent terminal screens.
CAUTION
1. Servicing or repairing of this equipment must be performed
by a qualified service agency.
2. Do not attempt to reuse any mechanical or electrical
controllers which have been wet. Replace defective controller.
WARNING
When servicing or repairing of this equipment, use only
factory- approved service replacement parts. A complete
replacement parts list may be obtained by contacting the
factory. Refer to the rating plate on the appliance for complete
appliance model number, serial number, and company
address. Any substitution of parts or controls not approved by
the factory will be at the owner’s risk.
IMPORTANT
To check most of the Possible Remedies in the troubleshooting
guide listed in Tables 13.1 and 13.2, refer to the applicable
sections of the manual.
Table 13.1
Troubleshooting
TROUBLE POSSIBLE CAUSE POSSIBLE REMEDY
Unit does nothing. 1. Power supply is off 1. Turn on main power.
2. No 24V power to thermostat 2 a. Check control transformer
b. If failed transformer - check thermostat wire gage and length
3. Thermostat malfunction 3 a. Verify wire connections to R&W terminals only
b. Check / replace thermostat
4. LED flashes bright / dim 4. Check LED code at gas valve thermostat and connection
5. Defective control 5. Replace control
LED light off or flashing. 1. Light off - no power 1. Check main power
2. Two flashes - pressure switch closed. 2 a. Check for blocked or improper venting.
b. Check vent motor hose / connection replace or reconnect
c. Check pressure switch.
d. Check power exhauster motor.
3. Three flashes - pressure switch open. 3 a. Check to insure control switch in "ON" position
b. Check for incorrect or blocked venting
c. Check pressure switch
4. Four flashes - limit or flame rollout switch 4 a. Check limit and flame controls and connections
b. If flame rollout switch OK, but tripped:
1. Main gas pressure too high
2. Manifold orifice incorrect - too large
3. Incorrect unit clearance to surrounding wall/ceiling
4. Check for negative pressure in building
5. Incorrect or blocked venting
6. Access panel vent louvers wrong direction - reverse panel.
7. Area around main gas orifices blocked with debris
8. Unit louvers closed.
9. Heat exchanger tube(s) blocked with debris
5. Five flashes - Flame signal sensed 5. Flame at main burners
out of sequence.
6. Six flashes - System lockout 6 a. Gas supply off or too low.
b. Damaged or broken Ignitor.
c. No line voltage.
d. Unit not properly grounded.
e. Check flame sense rod.
14
UNIT WIRING
Figure 14.1
Unit Heater Wiring Diagram (Series 101)
TD
Relay
24 VAC
TR2
TR1
BK
G
COM
G2
XFMR L2
XFMR L1
W
BK
BK
Terminal Block
(HDS ONLY)
24V
120V
COM
C3
C2
C1
ON
OFF
W
R
5H79409B1 REV A
from Lockout, Single-Phase.
Single-Stage, Hot Surface Ignition, 100% Shut-Off, Multiple Retry with Auto Reset
unit polarity.
Verify the power source and the
Use 105°C wire for replacements.
For deviations contact the factory.
in injury to the installer or user.
Combination
Gas Control
Hot Surface
Igniter
Power
Exhaust
Motor
Combination
Gas Control
Flame
Sensor
Pressure
Switch
COM
R
HH
L2
L1
R
GR(G)
Y
Y
Y
R
BK BK
W
W
BK
XFMR
Press
Swit
ch
Fan
Motor
Flame
Rollout
Switch
Limit
Control
Flame
Sensor
BL
W
BK
W
BK
P
Plug
BK
Hot
Surface
Igniter
O
R
R
W
Plug
Power
Exhaust
Motor
W
BK
Honeywell
Combination
Gas Control
R
R
24V
115V
Xfmr
L2
(W)
L1
(BK)
Low Volt
Therm
(By
Others)
Wiring Legend
Line 24V
Factory
Field
Wire Nut
Caution
Failure to wire this unit according
to this wiring diagram may result
Note to installer:
All wiring must comply with national
electric code and all local codes.
All components must agree with
their respective power source.
Combination Gas Control
Circuit Breaker
(By Others)
Therm
t°
TD Relay
Fan
Motor
TDC
UNIT HEATER WIRING DIAGRAM
Flame
Rollout
Switch
Indicates Terminal Board Connection
Limit
Control
24VAC
W
115V/60Hz/1Ø Power
Shown
115V/60Hz/1Ø Power
Circuit Breaker (By Others)
L1(BK)
L2(W)
R
Flame
Rollout
Switch
RR
G
TR1
TR2
Flame
Rollout
Switch
Wiring Diagram Selection
Since internal or factory wiring may vary depending on
controls manufacturer, the wiring diagrams must be selected
with the series identity number when installing, servicing, or
troubleshooting a unit heater control system. Wiring diagrams
that follow are for units with the corresponding series identity
number that may be found in the 5
th
through the 7
th
digits of
the serial number. For example, a unit with the serial number
"30011013605-0981" has the 5
th
through the 7
th
digits as 103
as shown underlined above. To use the following diagram the
unit series ID must be 101.
Table 14.1
Troubleshooting (continued)
TROUBLE POSSIBLE CAUSE POSSIBLE REMEDY
Unit starts but does 1. Main gas is off. 1. Open manual gas valve .
not ignite. 2. Air in gas line. 2. Purge gas line.
3. Main or manifold gas pressure 3. Set gas pressures per manual instructions
4. Check gas valve switch. 4. Set gas valve switch to "ON" position
Unit goes through cycle 1. Reversed main power polarity 1. Black wire - HOT, White wire - NEUTRAL, Green wire - Ground
but the burners go out in 2. Unit not grounded 2. Ground unit and verify quality of ground connection.
less then 10 seconds 3. Flame not sensed 3. Check flame sense probe and connection
Air circulating fan 1. Loose connections 1. Check all connections
inoperable 2. Defective Fan time delay relay 2. Check fan time delay relay
3. Defective fan motor 3. Check fan motor
15
SERVICE / MAINTENANCE / TROUBLESHOOTING
Serial Number Designations (Remove access cover to locate)
01 01 101 01 05 1000
MOTOR
SUPPLIER CODE
01- Century
05- Universal
etc.
YEAR OF
MANUFACTURE
05- 2005
06- 2006
etc.
WEEK OF
MANUFACTURE
01- 1st week of year
26- 26th week of year.
SEQUENCE
NUMBER
FAN SUPPLIER
CODE
01- Revcor
08- Brookside
etc.
SERIES IDENTITY NUMBER
Identifies which series of controls
were furnished on the unit.
Model Number Designations (Remove access cover to locate)
HDS - Low
Profile Separated
Combustion
MBH INPUT
30 - 30,000 Btu/hr input
45 - 45,000 Btu/hr input
60 - 60,000 Btu/hr input
75 - 75,000 Btu/hr input
HEAT EXCHANGER TYPE
A - Aluminized
H - Hot surface ignition
CONTROL CODE
TYPE
34 - 115V/25V single
stage hot surface ignition,
100% shut-off with
lockout - natural gas.
74 - 115V/25V single
stage hot surface ignition,
100% shut-off with
lockout - propane gas.
POWER CODE
01 - 115 volt, 60 hertz,
single phase
HDS 45 A H 01 34
Replacement Parts
When requesting parts please contact your local representative. Please have full model and serial number available. If you require
assistance in locating your representative, please call the number located on the back page.
MODINE MANUFACTURING COMPANY
LIMITED WARRANTY
(Residential Use Only)
WHAT THIS WARRANTY COVERS
This warranty covers all defects in material and workmanship in your
Modine unit heater, when used for your home or garage.
WHAT THIS WARRANTY DOES NOT COVER
Unit heater, or any of its parts:
1. which have been improperly installed or removed.
2. which have been damaged other than by normal use.
3. which have not been properly maintained.
4. which have been exposed to gas input more than 5% higher than
specified on the serial plate of the unit heater, resulting in over-firing of
the heater.
5. which have been exposed to possibly corrosive chemicals or chemical
vapors (such as found in swimming pools), or potentially explosive or
flammable atmospheres laden with grain dust, sawdust, or similar air-
borne materials.
6. where any defect has been caused by abuse, misuse, neglect,
carelessness, or accident.
7. where the serial number of the unit heater has been altered, defaced,
or removed.
8. which are used in a confined space without adequate combustion air,
such as can be found in more air-tight construction.
WHO THIS WARRANTY COVERS
This warranty covers the purchaser of the unit heater or anyone else who
owns it during the warranty period.
HOW LONG THE WARRANTY LASTS
1. The warranty for the heat exchanger of the unit heater remains in force
for ten years from the date you purchased the unit heater.
2. The warranty on all other parts of the heater remains in force for two
years from the date you purchased the unit heater.
WHAT MODINE WILL DO TO CORRECT ANY WARRANTY DEFECTS,
AND HOW YOU CAN GET WARRANTY SERVICE
In the event of warranty failure, Modine will provide replacement parts
at Modine's cost. To obtain warranty repairs or replacement of defective
parts, you must, within the period of warranty coverage, contact the agency
from whom you purchased the unit heater. That seller, or the service
agency performing service for the seller, will determine whether or not
the unit heater, or any of its parts, is in fact defective, and will then either
repair or obtain and install the necessary replacement parts for you. If it
is determined that the unit heater or parts were not defective, you may be
charged for any replacement parts.
CAUTION - Do not attempt to repair the unit heater yourself, nor remove it
or any of its parts. This must be done by a qualified service agency.
If you have any questions about this warranty, call the person from
whom you purchased the unit heater; or a Modine Heating Products
Representative at 1-800-828-4328.
WHAT MODINE WILL NOT DO
Modine will not reimburse you for any labor costs or service charges
related to warranty repairs or replacements.
INCIDENTAL AND CONSEQUENTIAL DAMAGES DISCLAIMED
This warranty does not cover incidental damages, such as use of substitute
heating equipment, or other costs arising from the loss of use of the unit
heater. This warranty also does not cover consequential damages, such as
the cost of repairing or replacing other property which is damaged when
this unit heater does not work properly.
HOW STATE LAW RELATES TO THIS WARRANTY
Some states do not allow the exclusion or limitation of incidental or
consequential damages so the above limitations or exclusions may not
apply to you.
This warranty gives you specific legal rights, and you may also have other
rights which vary from state to state.
Figure 15.1
Common Replacement Parts
30 3H36919 5H79402 5H75001 5H75002-3 5H75029 5H79441-1 5H78126-1 5H75032 5H76382 5H76383
45 3H36920 5H79402 5H75001 5H75002-3 5H75029 5H79441-2 5H78126-1 5H75032 5H76382 5H76383
60 3H36921 5H79402 5H75769 5H75002-3 5H75029 5H79441-3 5H78126-1 5H75032 5H76382 5H76383
75 3H36922 5H79402 5H75769 5H75002-3 5H75029 5H79441-3 5H78126-1 5H75032 5H76382 5H76383
Model
Size
Heat
Exch. Kit
Limit
Control
Switch
Flame
Roll-out
Switch
Transformer
Pressure
Switch
Combination Gas
Igniter
Ignition
Control
Control
Code 74
Control
Code 34
The above list is subject to change. Please refer to unit mounted parts list for most up-to-date list.
Power
Exhauster
Commercial HVAC&R Division
Modine Manufacturing Company
1221 Magnolia Avenue
Buena Vista, Virginia 24416
Phone: 1.800.828.4328 (HEAT)
www.modine.com
3/05 - 15M Litho in USA
© Modine Manufacturing Company 2005
COMMERCIAL WARRANTY
Modine Manufacturing Company has a continuous product improvement program;
it reserves the right to change design and specifications without notice.
• FOR RESIDENTIAL USE SEE LIMITED CONSUMER WARRANTY ON PREVIOUS PAGE.
Seller warrants its products to be free from defects in material and workmanship,
EXCLUSIVE, HOWEVER, of failures attributable to the use of materials substituted
under emergency conditions for materials normally employed. This warranty covers
replacement of any parts furnished from the factory of Seller, but does not cover
labor of any kind and materials not furnished by Seller, or any charges for any such
labor or materials, whether such labor, materials or charges thereon are due to
replacement of parts, adjustments, repairs, or any other work done. This warranty
does not apply to any equipment which shall have been repaired or altered outside
the factory of Seller in any way so as, in the judgment of Seller, to affect its stability,
nor which has been subjected to misuse, negligence, or operating conditions in
excess of those for which such equipment was designed. This warranty does not
cover the effects of physical or chemical properties of water or steam or other
liquids or gases used in the equipment.
BUYER AGREES THAT SELLER’S WARRANTY OF ITS PRODUCTS TO BE FREE
FROM DEFECT IN MATERIAL AND WORKMANSHIP, AS LIMITED HEREIN,
SHALL BE IN LIEU OF AND EXCLUSIVE OF ALL OTHER WARRANTIES,
EITHER EXPRESS OR IMPLIED, WHETHER ARISING FROM LAW, COURSE
OF DEALING, USAGE OF TRADE, OR OTHERWISE, THERE ARE NO OTHER
WARRANTIES, INCLUDING WARRANTY OF MERCHANTABILITY OR FITNESS
FOR PURPOSE, WHICH EXTEND BEYOND THE PRODUCT DESCRIPTION
CONFIRMED BY BUYER AND SELLER AS OF THE DATE OF FINAL
AGREEMENT.
This warranty is void if the input to the product exceeds the rated input as indicated
on the product serial plate by more than 5% on gas-fired and oil-fired units, or if the
product in the judgment of SELLER has been installed in a corrosive atmosphere,
or subjected to corrosive fluids or gases, been subjected to misuse, negligence,
accident, excessive thermal shock, excessive humidity, physical damage, impact,
abrasion, unauthorized alterations, or operation contrary to SELLER’S printed
instructions, or if the serial number has been altered, defaced or removed.
Heat Exchangers
For Seller’s non-separated combustion Gas-Fired Unit Heaters
BUYER’S REMEDY FOR BREACH OF WARRANTY, EXCLUSIVE OF ALL
OTHER REMEDIES PROVIDED BY LAW, IS LIMITED TO REPAIR OR
REPLACEMENT AT THE FACTORY OF SELLER, ANY HEAT EXCHANGER
WHICH SHALL, WITHIN TEN YEARS FROM DATE OF FIRST BENEFICIAL
USE BY BUYER OR ANY OTHER USER, WITHIN TEN YEARS FROM DATE
OF RESALE BY BUYER OR ANY OTHER USER, WITHIN TEN YEARS
FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION,
OR WITHIN ONE HUNDRED TWENTY-SIX MONTHS FROM DATE OF
SHIPMENT FROM SELLER, WHICHEVER OCCURS FIRST, BE RETURNED
TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE
EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE;
EXCEPT THAT WHEN THE PRODUCT IS TO BE USED BY BUYER AS
A COMPONENT PART OF EQUIPMENT MANUFACTURED BY BUYER,
BUYER’S REMEDY FOR BREACH, AS LIMITED HEREIN, SHALL BE LIMITED
TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER. FOR GAS-FIRED
PRODUCTS INSTALLED IN HIGH HUMIDITY APPLICATIONS AND UTILIZING
STAINLESS STEEL HEAT EXCHANGERS, BUYER’S REMEDY FOR BREACH,
AS LIMITED HEREIN, SHALL BE LIMITED TO TEN YEARS FROM DATE OF
SHIPMENT FROM SELLER.
For Seller's Low Intensity Gas-Fired Infrared Heaters
BUYER'S REMEDY FOR BREACH OF WARRANTY, EXCLUSIVE OF ALL
OTHER REMEDIES PROVIDED BY LAW, IS LIMITED TO REPAIR OR
REPLACEMENT AT THE FACTORY OF SELLER, ANY HEAT EXCHANGER
WHICH SHALL, WITHIN FIVE YEARS FROM DATE OF FIRST BENEFICIAL
USE BY BUYER OR ANY OTHER USER, WITHIN FIVE YEARS FROM
DATE OF RESALE BY BUYER OR ANY OTHER USER, WITHIN FIVE
YEARS FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED
CONDITION, OR WITHIN 66 MONTHS FROM DATE OF SHIPMENT FROM
SELLER, WHICHEVER OCCURS FIRST, BE RETURNED TO SELLER WITH
TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION
OF SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE; EXCEPT THAT
WHEN THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART
OF EQUIPMENT MANUFACTURED BY BUYER, BUYER'S REMEDY FOR
BREACH, AS LIMITED HEREIN, SHALL BE LIMITED TO ONE YEAR FROM
DATE OF SHIPMENT FROM SELLER.
Heat Exchanger (Condensers) for all Seller’s products except non-
separated combustion Gas-Fired Unit Heaters and Infrared Heaters, all
Burners except Infrared Heaters, and Sheet Metal for all Seller's products
BUYER’S REMEDY FOR BREACH OF WARRANTY, EXCLUSIVE OF ALL
OTHER REMEDIES PROVIDED BY LAW, IS LIMITED TO REPAIR OR
REPLACEMENT AT THE FACTORY OF SELLER, ANY HEAT EXCHANGER
(CONDENSER) OR BURNER WHICH SHALL, WITHIN ONE YEAR
FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER
USER, WITHIN ONE YEAR FROM DATE OF RESALE BY BUYER IN ANY
UNCHANGED CONDITION, OR WITHIN EIGHTEEN MONTHS FROM
DATE OF SHIPMENT FROM SELLER, WHICHEVER OCCURS FIRST, BE
RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID
AND WHICH THE EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE
BEEN DEFECTIVE; EXCEPT THAT WHEN THE PRODUCT IS TO BE USED
BY BUYER AS A COMPONENT PART OF EQUIPMENT MANUFACTURED BY
BUYER, BUYER’S REMEDY FOR BREACH, AS LIMITED HEREIN, SHALL BE
LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER.
Burners
For Seller's Low Intensity Gas-Fired Infrared Heaters
BUYER'S REMEDY FOR BREACH OF WARRANTY, EXCLUSIVE OF ALL
OTHER REMEDIES PROVIDED BY LAW, IS LIMITED TO REPAIR OR
REPLACEMENT AT THE FACTORY OF SELLER, ANY BURNER WHICH
SHALL, WITHIN TWO YEARS FROM DATE OF FIRST BENEFICIAL USE
BY BUYER OR ANY OTHER USER, WITHIN TWO YEARS FROM DATE
OF RESALE BY BUYER IN ANY UNCHANGED CONDITION, OR WITHIN
30 MONTHS FROM DATE OF SHIPMENT FROM SELLER, WHICHEVER
OCCURS FIRST, BE RETURNED TO SELLER WITH TRANSPORTATION
CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER
SHALL DISCLOSE TO HAVE BEEN DEFECTIVE; EXCEPT THAT WHEN
THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART
OF EQUIPMENT MANUFACTURED BY BUYER, BUYER'S REMEDY FOR
BREACH, AS LIMITED HEREIN, SHALL BE LIMITED TO ONE YEAR FROM
DATE OF SHIPMENT FROM SELLER.
For Seller's High Intensity Gas-Fired Infrared Heaters
BUYER'S REMEDY FOR BREACH OF WARRANTY, EXCLUSIVE OF ALL
OTHER REMEDIES PROVIDED BY LAW, IS LIMITED TO REPAIR OR
REPLACEMENT AT THE FACTORY OF SELLER, ANY BURNER WHICH
SHALL, WITHIN TEN YEARS FROM DATE OF FIRST BENEFICIAL USE
BY BUYER OR ANY OTHER USER, WITHIN TEN YEARS FROM DATE
OF RESALE BY BUYER IN ANY UNCHANGED CONDITION, OR WITHIN
126 MONTHS FROM DATE OF SHIPMENT FROM SELLER, WHICHEVER
OCCURS FIRST, BE RETURNED TO SELLER WITH TRANSPORTATION
CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER
SHALL DISCLOSE TO HAVE BEEN DEFECTIVE; EXCEPT THAT WHEN
THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART
OF EQUIPMENT MANUFACTURED BY BUYER, BUYER'S REMEDY FOR
BREACH, AS LIMITED HEREIN, SHALL BE LIMITED TO ONE YEAR FROM
DATE OF SHIPMENT FROM SELLER.
All Other Components Excluding Heat Exchanger (Condenser), Burner,
and Sheet Metal
For all Seller's products except Direct-Fired Heaters and High Intensity
Gas-Fired Infrared Heaters
BUYER’S REMEDY FOR BREACH OF WARRANTY, EXCLUSIVE OF ALL
OTHER REMEDIES PROVIDED BY LAW, IS LIMITED TO REPAIR OR
REPLACEMENT AT THE FACTORY OF SELLER, ANY PART OR PARTS
WHICH SHALL, WITHIN TWO YEARS FROM DATE OF FIRST BENEFICIAL
USE BY BUYER OR ANY OTHER USER, WITHIN TWO YEARS FROM DATE
OF RESALE BY BUYER IN ANY UNCHANGED CONDITION, OR WITHIN
THIRTY MONTHS FROM DATE OF SHIPMENT FROM SELLER, WHICHEVER
OCCURS FIRST, BE RETURNED TO SELLER WITH TRANSPORTATION
CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER
SHALL DISCLOSE TO HAVE BEEN DEFECTIVE; EXCEPT THAT WHEN
THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART
OF EQUIPMENT MANUFACTURED BY BUYER, BUYER’S REMEDY FOR
BREACH, AS LIMITED HEREIN, SHALL BE LIMITED TO ONE YEAR FROM
DATE OF SHIPMENT FROM SELLER.
For Seller's Direct-Fired Heaters and High Intensity Gas-Fired Infrared Heaters
BUYER’S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF
ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR
OR REPLACEMENT AT THE SELLER’S OPTION ANY PART OR PARTS
WHICH SHALL WITHIN A PERIOD OF ONE YEAR FROM DATE OF FIRST
BENEFICIAL USE BY BUYER OR ANY OTHER USER, WITHIN ONE YEAR
FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION,
OR WITHIN 18 MONTHS FROM DATE OF SHIPMENT FROM SELLER,
WHICHEVER OCCURS FIRST, BE RETURNED TO SELLER WITH
TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION
OF THE SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE.
BUYER AGREES THAT IN NO EVENT WILL SELLER BE LIABLE FOR COSTS
OF PROCESSING, LOST PROFITS, INJURY TO GOODWILL, OR ANY OTHER
CONSEQUENTIAL OR INCIDENTAL DAMAGES OF ANY KIND RESULTING
FROM THE ORDER OR USE OF ITS PRODUCT, WHETHER ARISING FROM
BREACH OF WARRANTY, NONCONFORMITY TO ORDERED SPECIFICATIONS,
DELAY IN DELIVERY, OR ANY LOSS SUSTAINED BY THE BUYER.
POUR VOTRE SÉCURITÉ
Il est dangereux d’utiliser et de conserver de
l’essence ou d’autres liquides ou gaz inflammables
dans des contenants ouverts, à proximité de cet
appareil.
POUR VOTRE SÉCURITÉ
SI VOUS SENTEZ UNE ODEUR DE GAZ :
1. Ouvrez les fenêtres.
2. N’allumez aucun appareil à flamme.
3. N’actionnez aucun commutateur électrique et
n’utilisez pas de téléphone dans votre édifice.
4. Appelez immédiatement votre fournisseur de
gaz à partir du téléphone d’un voisin. Suivez les
instructions de votre
fournisseur de gaz. Si vous
n’arrivez pas à contacter votre fournisseur de
gaz, appelez les pompiers.
ATTENTION
Pour éviter une défaillance prématurée de
l’échangeur de chaleur, AUCUN appareil chauffé
au gaz ne devrait être installé dans des locaux
dont l’atmosphère contient des vapeurs chlorées,
halogénées ou acides.
AVERTISSEMENT
Une installation, des réglages, des modifications
ou un entretien inappropriés peuvent causer des
dommages matériels, des blessures ou la mort,
ainsi que l’exposition à des substances reconnues
par divers organismes officiels comme causant
des cancers, des malformations congénitales ou
des anomalies du systèmer reproductif. Lisez
attentivement les instructions d’installation,
d’utilisation et d’entretien avant d’installer ou
d’entretenir cet appareil.
CE MANUEL DOIT ÊTRE REMIS AU PROPRIÉTAIRE DE L’INSTALLATION.
N’OUBLIEZ PAS DE LE LAISSER AU PROPRIÉTAIRE EN QUITTANT LE CHANTIER.
Inspection à la réception
1. Inspectez l’appareil à la livraison. Signalez immédiatement tout
dommage au transporteur et avisez le représentant commercial
local de Modine.
2.
Vérifiez la plaque signalétique pour déterminer si les
caractéristiques de l’appareil correspondent à l’alimentation
électrique disponible au point d’installation.
3. Inspectez l’appareil à la réception pour vérifier qu’il est conforme à
la description du produit commandé (y compris aux spécifications,
s’il y a lieu).
Table des matières
Inspection à la réception ......................................................................... 1
Précautions particulières ........................................................................
2
Facteurs de conversion SI (Système métrique) .....................................3
Emplacement d’installation ..................................................................... 3
Matières combustibles et dégagements .........................................
4
Montage de l’appareil ....................................................................4
Installation de l’appareil .......................................................................... 5
Évacuation des gaz brûlés .............................................................5
Raccordements de gaz ..................................................................9
Raccordements électriques ..........................................................
10
Éléments constitutifs ............................................................................. 11
Dimensions ........................................................................................... 12
Entretien courant et dépannage ...........................................................
13
Câblage ................................................................................................ 14
Garantie ................................................................................................ 15
MANUEL D’INSTALLATION ET D’ENTRETIEN
Appareil de chauffage au gaz
modèle HDS
6-596.1
5H079440 Rév
Mars 2005
Tous nos modèles sont homologués en Californie par le CEC, dans
l’État de New York par la division MEA, et au Massachusetts. Cet
appareil de chauffage est certifié pour des applications résidentielles et
commerciales.
IMPORTANT
Ce manuel est spécifiquement destiné au personnel
d’une entreprise qualifiée d’installation et
d’entretien. Toutes les opérations d’installation et
d’entretien doivent être confiées à une entreprise
qualifiée.
PRÉCAUTIONS PARTICULIÈRES/TABLE DES MATIÈRES
2
PRÉCAUTIONS PARTICULIÈRES
LES INSTRUCTIONS D’INSTALLATION ET D’ENTRETIEN DE CE MANUEL
DOIVENT ÊTRE RESPECTÉES POUR ASSURER UN FONCTIONNEMENT
SÉCURITAIRE, EFFICACE ET SANS PROBLÈMES. IL CONVIENT ÉGALEMENT
DE RESPECTER RIGOUREUSEMENT LES PRÉCAUTIONS PARTICULIÈRES
CI-APRÈS. LE FAIT DE NE PAS SE CONFORMER À CES PRÉCAUTIONS
CRITIQUES PEUT ENTRÎNER DES DOMMAGES MATÉRIELS, DES BLESSURES
OU LA MORT. CES INSTRUCTIONS
SONT DONNÉES SOUS RÉSERVE DE
DISPOSITIONS PLUS RESTRICTIVES DES CODES LOCAL OU NATIONAL.
HIÉRARCHIE DES NIVEAUX DE RISQUES
1. DANGER: Signale une situation de danger imminent qui, si elle se
matérialise, ENTRAÎNERA INÉVITABLEMENT des troubles graves
ou mortels.
2. AVERTISSEMENT: Signale une situation de danger potentiel qui,
si elle se matérialise, POURRAIT ENTRAÎNER des troubles graves
ou mortels.
3. ATTENTION : Signale une situation de danger potentiel qui, si elle
se matérialise, POURRAIT ENTRAÎNER des troubles légers ou
modérément graves.
4. IMPORTANT : Signale une situation qui, si elle se matérialise,
POURRAIT compromettre la sécurité.
DANGER
Les appareils doivent être installés de façon à ne pas être exposés à
des atmosphères potentiellement explosives ou inflammables.
AVERTISSEMENT
1. Les appareils de chauffage au gaz doivent avoir une évacuation
des gaz de brûlés - il est interdit de les faire fonctionner sans
une telle évacuation.
2. Une soufflante incorporée assure l’extraction des gaz - il est inutile
et interdit d’installer un dispositif d’extraction externe.
3. Toutes les tuyauteries de gaz extérieures doivent être soumises
à des essais de pression et d’étanchéité avant la mise en service.
N’utilisez jamais une flamme nue pour la recherche des fuites.
Utilisez plutôt de l’eau savonneuse ou un produit équivalent.
4. La pression de gaz au régulateur de l’appareil ne doit jamais
dépasser 3,36 kPa d’eau (0,5 psi).
5. Débranchez l’alimentation électrique avant de faire les connexions
du câble pour éviter les chocs électriques et les dommages à
l’équipement.
6. Tous les branchements doivent être faits en stricte conformité
avec le schéma de câblage fourni avec l’appareil. Tout
branchement différent de celui du schéma peut créer des risques
pour l’intégrité physiques des personnes et de l’équipement.
7. Tout câblage d’origine nécessitant un remplacement doit être fait
avec des produits pouvant supporter une température nominale
d’au moins 105°C.
8. Pour l’entretien et les réparations, n’utilisez que des pièces de
rechange approuvées par le fabricant. Pour obtenir une liste
complète des pièces de rechange, adressez-vous au fabricant.
La plaque signalétique de l’appareil indique le numéro de modèle
complet, le numéro de série et l’adresse du fabricant. Toute
substitution de pièces ou d’organes de commande non approuvée
par le fabricant sera aux risques du propriétaire.
9. Si vous remplacez un appareil de chauffage existant, vous
aurez peut-être à modifier le système d’évacuation des gaz
brûlés. Un système d’évacuation de capacité insuffisante
peut entraîner des fuites de gaz brûlés ou la formation de
condensats. Respectez le code National Fuel Gas ANSI Z223.1
ou CSA B149.1 dernière édition. Le non-respect de ces
instructions peut entraîner des troubles graves ou mortels.
10. Pour réduire les risques de condensation, l’apport calorifique
minimal du gaz utilisé, au niveau de la mer, ne doit pas être
inférieur de plus de 5 % à la valeur nominale minimale inscrite sur
la plaque signalétique de l’appareil.
11. Vérifiez que la tension d’alimentation de l’appareil n’excède pas
de plus de 5 % la tension nominale d’alimentation inscrite sur
la plaque de l’appareil.
ATTENTION
1. L’installation doit respecter les codes locaux de la construction
ou, à défaut de code local, la Partie 7, Venting of Equipment, du
Code National Fuel Gas, ANSI Z223.1 (NFPA 54) - dernière
édition. Au Canada, l’installation doit respecter la norme
CSA B149.1.
2. Consultez les instructions en matière de tuyauterie, de câblage
électrique et d’évacuation des gaz de combustion, ci-après, avant
l’installation finale.
3. Fermez l’arrivée générale de gaz avant d’installer l’appareil.
4. Pour l’essai d’étanchéité du circuit d’alimentation en gaz, l’appareil
et son régulateur de gaz combiné doivent être isolés durant tout
essai effectué à une pression supérieure à 3,36 kPa (14 po)
d’eau (0,5 psi).
5. Mesurez la pression d’entrée du gaz en amont du régulateur
combiné de débit de gaz. La pression d’entrée doit être 1,44 à
1,68 kPa (6–7 po) d’eau. pour le gaz naturel ou 2,88 à 3,36 kPa
(12–14 po) d’eau pour le propane. Si la pression est trop
élevée, vous devez installer un détendeur supplémentaire en
amont du régulateur de débit de gaz.
6. La purge de l’air des tuyauteries de gaz doit se faire selon la
procédure de la norme ANSI Z223.1 - dernière édition “National
Fuel Gas Code”, ou du code CSA B149.1 au Canada.
7. La distance minimale à un matériau combustible est basée sur
une température de surface du matériau combustible n’excédant
pas 71°C (160°F). La distance au-dessus de l’appareil peut devoir
être plus grande que le minimum prescrit si la chaleur seule
(sans feu) risque d’endommager les matériaux situés au-dessus
de l’appareil à la température prescrite.
8. Ne tentez pas de réutiliser un contrôleur mécanique ou
électronique d’allumage qui a été atteint par l’eau. Remplacez le
contrôleur endommagé.
9. L’appareil n’est pas conçu pour être installé à l’extérieur.
10. L’entretien et les réparations doivent être confiés à une entreprise
qualifiée pour l’entretien des appareils au gaz.
11. N’installez pas l’appareil à moins de 2,135 m de hauteur,
mesurée entre le bas de l’appareil et le plancher, dans
les applications commerciales (à moins d’installer une protection
appropriée des parties mobiles), et à 1,525 m au-dessus du
plancher dans les applications résidentielles.
12. Assurez-vous que l’entrée d’air et la sortie des gaz des appareils
de chauffage ne sont pas obstruées.
13. Prévoyez un dégagement de 457,2 mm (ou de 152,4 mm
au-delà de l’extrémité du moteur à l’arrière, selon la plus grande
des deux valeurs) et du côté accès pour assurer le bon
fonctionnement du ventilateur.
14. Si l’appareil est installé dans une atmosphère humide ou de
brouillard salin, la corrosion accélérée résultante entraînera une
réduction de la durée de sa vie normale.
15. L’appareil doit pouvoir être isolé de la conduite d’arrivée du gaz par
la fermeture d’un robinet d’arrêt manuel posé à l’installation. Ce
robinet d’arrêt doit être à une distance d’au moins 1,83 m de
l’appareil.
16. Dans un hangar d’aviation, le bas de l’appareil doit être à au moins
3,05 m de la plus haute surface des ailes ou d’un capot moteur,
pour l’avion le plus haut que le hangar est destiné à accueillir
et doit respecter les exigences de l’autorité de réglementation et/ou
la norme NFPA 409 - dernière édition.
FACTEURS DE CONVERSION SI (SYSTÈME MÉTRIQUE)
Tableau 3.1
GÉNÉRAL
Aux États-Unis, l’installation de ces appareils doit se faire conformément
au code «National Fuel Gas Code», ANSI Z223.1, dernière édition
(NFPA 54) et aux autres codes locaux applicables de la construction. Au
Canada, l’installation de ces appareils doit se faire conformément aux
codes locaux de la plomberie et des eaux usées, et aux autres codes
applicables, ainsi qu’à la version courante du code CSA B149.1.
1. Toutes les opérations d’installation et d’entretien doivent être
effectuées par une entreprise qualifiée d’installation et d’entretien
selon la définition d’ANSI Z223.1, dernière édition, et au Canada par
un installateur détenant un certificat de compétence pour les travaux
sur le gaz.
2. Cet appareil doit être certifié avec les organes de régulation
fournis. Les pièces de rechange doivent être commandées d’après
la liste qui figure sur la plaque signalétique. Ayez toujours
le numéro de modèle et le numéro de série à portée de la main.
Le fabricant se réserve le droit de substituer des organes de
régulation homologués à ceux d’origine.
3. L’appareil est équilibré pour un fonctionnement correct. Ne
modifiez pas les ventilateurs et ne faites pas tourner les moteurs à
vitesse réduite.
4. La documentation sur les organes de régulation est fournie
séparément.
5. Le même brûleur convient pour le gaz naturel et pour le
propane.
EMPLACEMENT D’INSTALLATION
Recommandations pour le choix de l’emplacement
1. Les facteurs à considérer pour le choix de l’emplacement sont les
distances prescrites et les besoins de chauffage, l’endroit où se
trouve l’arrivée du gaz et l’entrée électrique, et la proximité des
conduits d’évacuation.
2. Il est également important de tenir compte du fait que la prise d’air
et l’évacuation des gaz doivent se faire à l’extérieur du local. Les
extrémités des conduits d’évacuation doivent être adjacents. Les
longueurs maximales équivalentes pour le tuyau d’évacuation sont
données au tableau 5.1, page 5.
3. Assurez-vous que la structure de support de l’appareil est assez
solide pour porter le poids de l’appareil. Le bon fonctionnement de
l’appareil suppose un montage horizontal et de niveau.
4. N’installez pas l’appareil à un endroit où ses gaz brûlés pourraient
être aspirés à l’intérieur d’un édifice voisin par une fenêtre, une
prise d’air frais, etc.
ATTENTION
1. Toute la documentation livrée avec l’appareil doit être conservée
pour référence lors des opérations d’entretien et de diagnostic
des pannes. Ne jetez pas les instructions fournies avec l’appareil.
2. Consultez les instructions en matière de tuyauterie, de câblage
électrique et d’évacuation des gaz de combustion avant
l’installation finale.
3. Ne raccordez pas les gaines, les filtres à air ou les faisceaux de
tubes à un appareil à soufflante.
IMPORTANT
1. Pour éviter une défaillance prématurée de l’échangeur de chaleur,
AUCUN appareil chauffé au gaz ne devrait être installé dans des
locaux dont l’atmosphère contient des vapeurs corrosives
(chlorées, halogénées ou acides) .
2. Pour éviter une défaillance prématurée de l’échangeur de chaleur,
l’apport calorifique du gaz utilisé ne devrait pas excéder de plus
de 5 % la valeur nominale figurant sur la plaque signalétique de
l’appareil.
IMPORTANT
Pour éviter une défaillance prématurée de l’échangeur de chaleur,
AUCUN appareil chauffé au gaz ne devrait être installé dans des
locaux dont l’atmosphère contient des vapeurs corrosives (chlorées,
halogénées ou acides).
ATTENTION
1. Les appareils de chauffage à profil bas sont conçus pour des
applications avec des températures ambiantes comprises entre
-40°C et 32°C.
2. L’appareil n’est pas conçu pour être installé à l’extérieur.
3. Dans les garages ou les autres parties de hangars d’aviation,
tels les bureaux et les ateliers qui communiquent avec les zones
d’entretien et d’entreposage, le bas de l’appareil doit être placé
à au moins 2,13 m (7 pi) du sol, sauf si vous installez aussi des
protections appropriées pour éviter les contacts avec les pièces
mobiles. Dans les stationnements, l’appareil doit être installé
conformément à la norme pour les structures de stationnement
ANSI/NFPA 88A, et dans les garages de réparation,
conformément à la norme NFPA #88B. Au Canada, l’installation
d’appareils de chauffage dans les hangars d’aviation doit
respecter les prescriptions de l’autorité responsable et dans les
garages publics elle doit être conforme aux codes CSA B149.1.
4. Dans un hangar d’aviation, le bas de l’appareil doit être à au
moins 3 m (10 pi) de la plus haute surface des ailes ou d’un
capot moteur, pour l’avion le plus haut que le hangar est destiné
à accueillir et doit respecter les prescriptions de l’autorité de
réglementation et/ou de la norme NFPA 409-dernière édition.
5. Un appareil exposé à une forte humidité ambiante ou au brouillard
salin
sera soumis à une corrosion accélérée qui risque de réduire
sa durée de vie normale.
DANGER
Les appareils doivent être installés de façon à ne pas être exposés à
des atmosphères potentiellement explosives ou inflammables.
33
PRÉCAUTIONS PARTICULIÈRES/ FACTEURS DE CONVERSION SI
(SYSTÈME MÉTRIQUE) / EMPLACEMENT D’INSTALLATION
Pour convertir Multiplier par Pour obtenir
po d’eau 0.24 kPa
psig 6.893 kPa
°F (°F-32) x 0,555 °C
pouces 25.4 mm
pieds 0.305 mètres
CFM 0.028 m
3
/min
Pour convertir Multiplier par Pour obtenir
CFH 1.699 m
3
/min
Btu/pi
3
0,0374 mJ/m
3
livres 0.453 kg
Btu/h 0.000293 kW/h
gallons 3.785 litres
psig 27.7 po d’eau
ATTENTION
17. Dans les garages ou les autres parties de hangars d’aviation,
tels les bureaux et les ateliers qui communiquent avec les zones
d’entretien et d’entreposage, le bas de l’appareil doit être placé
à au moins 2,135 m du sol, sauf si vous installez aussi des
protections appropriées pour éviter le contact avec les pièces
mobiles. Dans les stationnements, l’appareil doit être installé
conformément à la norme pour les structures de stationnement
ANSI/NFPA 88A, et dans les garages de réparation, conformément
à la norme NFPA #88B. Au Canada, l’installation d’appareils
de chauffage dans les hangars d’aviation doit respecter les
prescriptions de l’autorité responsable et dans les garages publics
elle doit être conforme aux codes CSA B149.1.
18. Les appareils de chauffage à profil bas sont conçus pour des
applications avec des températures ambiantes comprises entre
-40°C et 32°C.
19. Toute la documentation livrée avec l’appareil doit être conservée
pour référence lors des opérations d’entretien et de diagnostic
des pannes. Ne jetez pas les instructions fournies avec l’appareil.
20. Vérifiez que la tension d’alimentation de l’appareil, telle
qu’indiquée sur la plaque signalétique, n’est pas inférieure de plus
de 5 % à la tension du secteur.
21. Ne fixez pas les gaines, les filtres à air ou les faisceaux de tubes à
un appareil à ventilateur.
5. Vérifiez que les distances minimales aux surfaces combustibles et
les dégagements recommandés pour l’entretien sont respectés. Les
distances d’installation et les dégagements minimaux sont indiqués
au tableau 4.1.
Tableau 4.1
Dégagements
6. N’installez pas l’appareil dans un endroit où son système
d’allumage du gaz pourrait être exposé à des projections d’eau, à la
pluie ou à des eaux de ruissellement.
7. La hauteur de montage (mesurée du bas de l’appareil) est un
aspect critique de l’installation. Pour les hauteurs de montage et les
portées de chauffage, reportez-vous à la page 12 de ce manuel. La
hauteur de montage maximale est le niveau pour lequel l’air chaud
de l’appareil n’atteint plus le plancher.
Inverser la position de l’appareil
Tous les appareils sont livrés avec les commandes à gauche lorsqu’on
les regarde de l’avant. Si l’installation requiert que les commandes
soient à droite, il est possible d’inverser la position de l’appareil. Il faut
en outre respecter les instructions suivantes :
• En tournant l’appareil de 180° par rapport à sa position d’origine,
les extrémités sont inversées, mais les panneaux avant et arrière
conservent leurs positions relatives. Le fond devient le dessus, et
vice-versa.
• Le panneau d’accès doit être démonté, retourné de 180°
et rattaché en place. Il est important que tous les placards
d’information soient lisibles à l’endroit.
• Enlevez les persiennes à ressort, retournez-les et remontez-les.
Ouvrez et réglez les persiennes pour que l’air chaud soit rabattu
vers le plancher.
1. Assurez-vous que les pièces de suspension sont suffisamment
solides pour supporter le poids de l’appareil (voir page 12 pour
connaître les poids).
2. Le bon fonctionnement de l’appareil suppose un montage
horizontal et de niveau.
3. Les distances aux surfaces combustibles données dans le
Tableau 4.1 doivent être strictement respectées.
4. Installation des supports de suspension :
Installez les supports de suspension avant de soulever l’appareil
en position de montage. Décidez si l’appareil sera monté en
position normale, c’est-à-dire avec ses commandes à gauche, en
regardant de face, ou à droite.
Pour un montage normal (commandes à gauche), démontez les
ferrures de leut position de transport et retirez les trois (3) vis
du bord supérieur, à l’avant et à l’arrière de l’appareil. Alignez
les trous des ferrures avec ceux des bords supérieurs avant et
arrière. Fixez une (1) ferrure de suspension à l’avant avec ses vis
d’origine. Fixez l’autre ferrure de la même manière à l’arrière de
l’appareil. (voir la Figure 4.1)
Figure 4.1
Appareil monté en position normale
Pour un montage inversé (commandes à droite), fixez les ferrures
de la même manière après avoir inversé l’appareil.
5a. Suspension par des vis ou des tirefonds :
Fixez les ferrures de montage aux solives du plafond ou aux
fermes du toit, en utilisant des vis 6,35 mm et des rondelles
12,7 mm. Ces ferrures sont des cornières de 25,4 mm, encochées
pour s’adapter à des solives aux espacements standard de
406,4 ou de 609,6 mm.
5b. Suspension par tiges filetées :
Les mêmes ferrures permettent de suspendre l’appareil au moyen
de tiges filetées. Fixez la tige filetée à la ferrure de montage en
utilisant des écrous placés au-dessus et au-dessous.
Percez ensuite des trous dans un profilé en U ou une cornière
au même espacement que les dimensions choisies pour l’appareil
à installer. Les morceaux de cornière ou de profilé doivent couvrir
la distance entre les éléments auxquels ils sont fixés. Coupez
les tiges filetées à la longueur désirée et enfilez-les dans les trous
du profilé ou de la cornière et fixez-les avec des rondelles plates et
des écrous freinés, des rondelles de blocage et des écrous, ou
encore un écrou et un contre-écrou comme sur les ferrures
de l’appareil.
5c. Montage sur une étagère :
L’appareil peut aussi être installé sur une étagère. Pour cela, fixez
les ferrures à l’appareil, comme expliqué plus haut, mais en
bas plutôt qu’en haut pour pouvoir fixer l’appareil sur l’étagère.
Les ferrures sont vissées sur l’étagère en utilisant les mêmes vis
(6,35 mm avec rondelles 12,7 mm) qu’en haut. montage sur
solives ou fermes de toit. Assurez-vous que toutes les distances
aux surfaces combustibles sont respectées.
ATTENTION
1.
Pour les applications commerciales, n’installez pas l’appareil à
moins de 2,135 m mesurés du dessous de l’appareil au plancher
(à moins de prévoir une protection adéquate des parties mobiles) ;
pour les applications résidentielles, l’appareil peut être installé à
1,525 m du plancher.
2. Assurez-vous qu’il n’y a pas d’obstacle devant la prise d’air et la
sortie des gaz.
3. Les distances minimales des surfaces combustibles sont
calculées pour des matériaux dont la surface ne doit pas être
exposée à des températures de plus de 71°C. La distance au-
dessus de l’appareil peut devoir être supérieure à ce minimum si
une telle température risque d’endommager le matériau sans
qu’il y ait de feu.
4. Prévoyez un dégagement de 457,2 mm à l’arrière (ou de
152,4 mm au-delà du moteur selon la plus grande des
deux valeurs) et du côté de la porte d’accès pour assurer le bon
fonctionnement du ventilateur.
4
SUSPENSION
Latéralement
Dessus et dessous 25,4 mm
25,4 mm
Côté porte d’accès
25,4 mm 457,2 mm
Côté opposé à la porte
25,4 mm 25,4 mm
Arrière
457,2 mm 457,2 mm
Raccord évacuation 101,6 mm
101,6 mm
Distances aux
matériaux
combustibles
Dégagements
recommandés
pour l’entretien
EMPLACEMENT D’INSTALLATION / MONTAGE DE L’APPAREIL
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Modine Manufacturing HDS Installation and Service Manual
- Catégorie
- Cheminées
- Taper
- Installation and Service Manual
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