6-580.20
5H0782130000
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
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Unit Location ...................................... 4
Combustible Material and Service Clearances .......... 4
Unit Mounting .................................... 5
Installation ........................................ 6
Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Gas Connections ................................ 10
High-Altitude Accessory Kit .........................11
Electrical ...................................... 13
Start-Up Procedure/Operation ........................ 15
Unit Components .................................. 18
Performance Data - General ......................... 19
Performance Data - Downturn Hoods .................. 22
Dimensions....................................... 24
Service/Troubleshooting............................. 26
Serial/Model Number Designations . . . . . . . . . . . . . . . . . . . 29
Commercial Warranty........................Back Cover
INSTALLATION AND SERVICE MANUAL
power vented gas-fired unit heaters
models PDP and BDP
All models approved for use in California by the CEC and
in Massachusetts. Unit heater is certified for non-residential
applications.
1. 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.
2. Do not locate ANY gas-fired units in areas
where chlorinated, halogenated, or acidic
vapors are present in the atmosphere.
These substances can cause premature
heat exchanger failure due to corrosion,
which can cause property damage, serious
injury, or death.
FOR YOUR SAFETY
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.
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.
W
ARNING IMPOR
T
ANT
March, 2023
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. Extinguish any open flame.
5. 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.
6-580.20
2
SPECIAL PRECAUTIONS
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 ARE 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.
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 an existing heater is being replaced, 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 (NFPA 54) or CSA B149.1 – latest edition. Failure
to follow these instructions can result in injury or death.
4. Under no circumstances should two sections of double
wall vent pipe be joined together within one horizontal
vent system due to the inability to verify complete seal of
inner pipes.
5. 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.
6. Gas pressure to appliance controls must never exceed
14" W.C. (1/2 psi).
7. 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 dual rated units.
8. Disconnect power supply before making wiring
connections to prevent electrical shock and equipment
damage.
9. 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.
10. Any original factory wiring that requires replacement must
be replaced with wiring material having a temperature
rating of at least 105°C.
11. Ensure that the supply voltage to the appliance, as
indicated on the serial plate, is not 5% greater than the
rated voltage.
12. 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 owner's risk.
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.
4. Clearances to combustible materials are critical. Be sure
to follow all listed requirements.
5. Heaters are designed for use in heating applications with
ambient startup temperatures between -40°F and 90°F
and ambient operating temperatures between 40°F and
90°F.
6. Do not install unit outdoors.
7. 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' 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 - latest
edition, and in repair garages the standard for repair
garages NFPA 30A - latest edition (formerly 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 codes.
8. 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.
9. 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.
10. 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).
11. Be sure no obstructions block air intake and discharge of
unit heaters.
12. 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.
13. Allow 18" of clearance at rear (or 12" beyond end of
motor at rear of unit, whichever is greater) and access
side to provide ample air for proper operation of fan.
14. Installation 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-B149.1.
W
ARNING
W
ARNING
6-580.20 3
In the U.S., the installation of these units must comply with the
National Fuel Gas Code, ANSI Z223.1 (NFPA 54) - latest edition
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 (NFPA 54) - 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. Modine reserves the right to
substitute other authorized controls as replacements.
3. Unit is balanced for correct performance. Do not alter fan
or operate motors at speeds below what is shown in this
manual.
4. Information on controls is supplied separately.
5. The same burner is used for natural and propane gas.
SPECIAL PRECAUTIONS / SI (METRIC) CONVERSION FACTORS
To Convert Multiply By To Obtain
"W.C. 0.249 kPa
°F (°F-32) x 5/9 °C
BTU 1.06 kJ
Btu/ft3 37.3 kJ/m3
Btu/hr 0.000293 kW
CFH (ft3/hr) 0.000472 m3/min
CFH (ft3/hr) 0.00000787 m3/s
CFM (ft3/min) 0.0283 m3/min
CFM (ft3/min) 0.000472 m3/s
feet 0.305 m
Gal/Hr. 0.00379 m3/hr
Gal/Hr. 3.79 l/hr
gallons 3.79 l
Horsepower 746 W
inches 25.4 mm
pound 0.454 kg
psig 6.89 kPa
psig 27.7 "W.C.
SI (Metric) Conversion Factors
CAUTION
15. Purging of air from gas supply line should be performed
as described in the National Fuel Gas Code, ANSI Z223.1
(NFPA 54) - latest edition. In Canada, installation must be
in accordance with CSA-B149.1.
16. 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).
17. 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.
18. Turn off all gas before installing appliance.
19. Ensure that the supply voltage to the appliance, as
indicated on the serial plate, is not less than 5% below the
rated voltage.
20. 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 11-14" W.C. on propane. If
inlet pressure is too high, install an additional pressure
regulator upstream of the combination gas control.
21. Service or repair of this equipment must be performed by
a qualified service agency.
22. Do not attempt to reuse any mechanical or electronic
ignition controller which has been wet. Replace defective
controller.
1. To prevent premature heat exchanger failure, do not locate
ANY gas-fired appliances in areas where corrosive vapors
(i.e. chlorinated, halogenated, or acidic) 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 than 5%.
3. Start-up and adjustment procedures must be performed
by a qualified service agency.
BEFORE YOU BEGIN
CAUTION
1. All literature shipped with this unit should be kept for future
use for servicing or service diagnostics. Leave manual with
the owner. 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.
IMPOR
T
ANT
46-580.20
Location Recommendations
1. When locating the heater, consider general space and
heating requirements, availability of gas and electrical
supply, and proximity to vent locations.
2. Avoid installing units in extremely drafty locations. Drafts
can cause burner flames to impinge on heat exchangers
which shortens life. Maintain separation between units so
discharge from one unit will not be directed into the inlet
of another.
3. Be sure the structural support at the unit location site is
adequate to support the unit's weight. 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.
5. Be sure that the minimum clearances to combustible
materials and recommended service clearances are
maintained. Units are designed for installation on non-
combustible surfaces with the minimum clearances shown
in Figure 4.1 and Tables 4.1 and 4.2.
6. Units exposed to inlet air temperatures of 40°F or less,
may experience condensation, therefore, provisions should
be made for disposal of condensate.
7. When locating units, it is important to consider that the
exhaust vent piping must be connected to the outside
atmosphere.
8. Maximum equivalent vent lengths are listed in "Section A -
General Instruction - All Units" of the Venting Instructions.
SI (METRIC) CONVERSION FACTORS / UNIT LOCATION
DANGER
Appliances must not be installed where they may be exposed
to a potentially explosive or flammable atmosphere.
A
D
B
C
Access
Side
Table 4.1 - Combustible Material Clearances j
j Provide sufficient room around the heater to allow for proper
combustion and operation of fan. Free area around the heater must
not be less than 1-1/2 times the discharge area of the unit.
Access Non-Access Vent
Model Side Side Top Bottom Connector
Size (A) (B) (C) (D) (Not shown)
150-175 1" 1" 4" 12" 6"
200-400 1" 1" 5" 12" 7"
Table 4.2 - Recommended Service Clearances
Access Non-Access Vent
Model Side Side Top Bottom Connector
Size (A) (B) (C) (D) (Not shown)
150-175 18" 18" 6" 22" 6"
200-400 18" 18" 6" 25" 7"
UNIT LOCATION
CAUTION
1. Clearances to combustible materials are critical. Be sure
to follow all listed requirements.
2. Heaters are designed for use in heating applications with
ambient startup temperatures between -40°F and 90°F and
ambient operating temperatures between 40°F and 90°F.
3. Do not install unit outdoors.
4. 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' above the floor unless the unit is properly guarded.
In parking garages, the unit must be installed in accordance
with the standard for parking structures ANSI/NFPA 88A -
latest edition, and in repair garages the standard for repair
garages NFPA 30A - latest edition (formerly 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 codes.
5. 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.
6. 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.
IMPORTANT
To prevent premature heat exchanger failure, do not locate
ANY gas-fired appliances in areas where corrosive vapors (i.e.
chlorinated, halogenated or acidic) are present in the atmosphere.
9. Do not install units in locations where gas ignition system
is exposed to water spray, rain, or dripping water.
10. Do not install units below 7', measured from the bottom
of the unit to the floor, unless properly guarded to provide
protection from moving parts.
Figure 4.1 - Combustible Material and Service Clearances
Combustion Air Requirements
The National Fuel Gas Code defines an “unconfined space” as
a space whose volume is greater than 50 cubic feet per 1,000
Btu/Hr input of the installed appliance(s). A confined space is
50 cubic feet or less per 1,000 Btu/Hr input of the installed
appliance(s).
Units installed in tightly sealed buildings or confined spaces
must be provided with two permanent openings, one near the
top of the confined space and one near the bottom. Each
opening should have a free area of not less than one square
inch per 1,000 BTU per hour of the total input rating off all units
in the enclosure, freely communicating with interior areas
having, in turn adequate infiltration from the outside.
For further details on supplying combustion air to a confined
(tightly sealed) space or unconfined space, see the National
Fuel Gas Code ANSI Z223.1 (NFPA 54) or CSA-B149.1
Installation Code - latest edition.
Sound and Vibration Levels
All standard mechanical equipment generates some sound and
vibration that may require attenuation. Libraries, private offices
and hospital facilities will require more attenuation, and in such
cases, an acoustical consultant may be retained to assist in the
application. Locating the equipment away from the critical area
is desirable within ducting limitations. Generally, a unit should
be located within 15' of a primary support beam. Smaller
deflections typically result in reduced vibration and noise
transmission.
5
6-580.20
INSTALLATION
UNIT MOUNTING
1. Be sure the means of suspension is adequate to support the
weight of the unit (see pages 24 and 25 for unit weights).
2. For proper operation and to assure that flames are directed
into the center of the heat exchanger tubes, the unit must be
installed in a level horizontal position. Use a spirit level to
ensure that the unit is suspended correctly.
3. Clearances to combustibles as specified in Figure 4.1 and
Ta bles 4.1 and 4.2 must be strictly maintained.
4. All standard units are shipped fully boxed. Larger units are
also supplied with skid supports on the bottom of the box.
The larger units may be lifted from the bottom by means of a
fork lift or other lifting device only if the shipping support skids
are left in place and the forks support the whole depth of the
unit. If the unit must be lifted from the bottom for final
installation without the carton in place, be sure to properly
support the unit over its entire length and width to prevent
damage. When lifting units, make sure the load is balanced.
5. Propeller models up to size 350 have 2 mounting holes, size
350 and above have 4 mounting holes and blower models up
to size 350 have 4 mounting holes, size 350 and above
have 6 mounting holes. Units with two point suspension
incorporate a level hanging feature. Depending on what
options and accessories are being used, the heater may not
hang level as recieved from the factory. Do not hang heaters
with deflector hoods until referring to the “Installation Manual
for Deflector Hoods” and making the recommended
preliminary adjustments on the heater, while the heater is
resting on the floor. The units can be mounted with 3/8"-16
threaded rod as follows:
• On each piece of threaded rod used, screw a nut a
distance of about 1" onto the end of the threaded rods that
will be screwed into the unit heater.
• Place a washer over the end of the threaded rod and
screw the threaded rod into the unit heater weld nuts on
the top of the heater at least 5 turns, and no more than
10 turns. Tighten the nut first installed onto the threaded
rod to prevent the rod from turning.
• Drill holes into a steel channel or angle iron at the same
center-line dimensions as 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, place them
through the holes in the steel channel or angle iron and
secure with washers and lock nuts or lock washers and
nuts. A double nut arrangement can be used here instead
of at the unit heater (a double nut can be used both places
but is not necessary).
• Do not install standard unit heaters above the maximum
mounting height shown in Table 19.1.
NOTE: A pipe hanger adapter kit, shown in Figure 5.3, is
available as an accessory. One kit consists of drilled 3/4”
IPS pipe caps and 3/8” - 16 x 1-3/4” capscrews to facilitate
threaded pipe suspension.
Figure 5.2 - Suspension Methods
1. Remove outer side panels.
2. “Set screws” - loosen and
position bracket where needed
– then tighten set screws.
3. Re-attach outer side panels.
Figure 5.1 - Adjustable Mounting Brackets - To Adjust:
(Suspension with Pipe Adapter Kit)
6-580.20
6
Section A - General Instructions - All Units
A1. If the unit heater being installed is replacing existing
equipment and using the existing vent system from that
equipment, inspect the venting system for proper size and
horizontal pitch, as required in the National Fuel Gas Code,
ANSI Z223.1 (NFPA 54) 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.
A2. The vent 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. Do not vent unit with PVC or other forms of
plastic venting material.
A3. All heaters come with a vent adapter for attaching the vent
pipe to the heater (see Table 6.1). Attach the vent pipe to
the adapter with 3 corrosion resistant screws. (Drill pilot
holes through the vent pipe and adapter prior to screwing in
place). Vent pipe must not be smaller than the connector size.
A4. Limit the total equivalent vent pipe length to fall between
the minimum and maximum equivalent vent lengths given
INSTALLATION - VENTING
Figure 6.1 - Venting Through Combustible Roof or Wall
See Instruction A12 for attaching single wall pipe to double wall pipe.
Specified
Terminal
Flashing
Listed
Thimble
Specified
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
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 an existing heater is being replaced, 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 (NFPA 54) or CSA B149.1 - latest
edition. Failure to follow these instructions can result in
serious injury or death.
4. Under no circumstances should two sections of double
wall vent pipe be joined together within one horizontal
vent system due to the inability to verify complete seal of
inner pipes.
CAUTION
Installation 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 B149.1.
Model PDP and BDP unit heaters must be vented with the
proper passageway as described in these instructions to convey
flue gases from the unit or the vent connector to the outside
atmosphere.
The venting instructions are organized in sections, based on
installation type. The sections are identified as follows:
in Table 6.1, making the vent system as straight as
possible. The equivalent length of a 5" elbow is 6' and for a
6" elbow is 7'.
A5. A minimum of 12" straight pipe is recommended from the
flue outlet before turns in the vent pipe.
A6. Horizontal sections of vent pipe are to be installed with an
upward or downward slope from the appliance of 1/4" per
foot and suspended securely from overhead structures at
points not greater than 3' apart.
A7. Fasten individual lengths of vent together with at least
3 corrosion resistant sheet metal screws.
A8. Keep single wall vent pipe at least 6" from combustible
materials. For double wall vent pipe, follow the vent pipe
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" if heat damage other than fire
could result (such as material distortion or discoloration).
A9. 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' to minimize
condensation. Inspect for leakage prior to insulating and
use insulation that is noncombustible with a rating of not
less than 400°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 Figure 8.1.
The differences between vertical and horizontal vent systems will be identified in
"Section A - General Instructions - All Units".
W
ARNING
Instructions Applicable Installation Instructions
by Vent System Type
A General Instructions for ALL Installations
B VERTICAL CATEGORY I vent systems j
C HORIZONTAL CATEGORY III vent systems k
Model Vent Transition Vent Pipe Minimum Maximum
Size Included Diameter Eqv Length Eqv Length
150, 175 4" to 5" 5" 2' 60'
200 6" to 5" 5" 2' 60'
250-400 Not required 6" 2' 70'
Table 6.1 - Vent Pipe Diameters, Transitions, and
Total Equivalent Vent Pipe Lengths for Horizontal
Vent Systems
6-580.20 7
A10. When the vent passes through a combustible INTERIOR
wall or floor, a metal thimble 4" greater than the vent
diameter is necessary. If there is 6' 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" greater than the diameter of the vent
pipe. If a thimble is not used, all combustible material
must be cut away to provide 6" of clearance. Where
authorities have jurisdiction, Type B vent may be used for
the last section of vent pipe to maintain clearance to
combustibles while passing through wall or floor. See
Figure 6.1. Any material used to close the opening must
be noncombustible.
A11. Seal all seams and joints of un-gasketed single wall pipe
with metal tape or Silastic suitable for temperatures up to
400°F. Wrap the tape 2 full turns around the vent pipe.
One continuous section of double wall vent pipe may be
used within the vent system to pass through the wall to the
listed vent cap. Refer to instruction A12 in “Section A –
General Instructions – All Units” for attaching double wall
pipe to single wall pipe.
A12. The following are general instructions for double wall
(Type B) terminal pipe installation.
How to attach a single wall vent terminal to
double wall (Type B) vent pipe:
1. Look for the “flow” arrow on the vent pipe.
2. Slide the vent terminal inside the exhaust end of the
double wall vent pipe.
3. Drill 3 holes through the pipe and the vent terminal.
Using 3/4" long sheet metal screws, attach the cap to
the pipe. Do not over tighten.
How to connect a single wall vent system to a
double wall (Type B) vent pipe:
1. Slide the single wall pipe inside the inner wall of the
double wall pipe.
2. Drill 3 holes through both walls of the single and double
wall vent pipes. Using 3/4" sheet metal screws, attach
the 2 pieces of pipe. Do not over tighten.
3. The gap between the single and double wall pipe must
be sealed but it is not necessary to fill the full volume
of the annular area. To seal, run a large bead of 400°F
silastic around the gap.
A13. Vent termination clearances must be maintained:
A14. Do NOT vent this appliance into a masonry chimney.
A15. Do NOT use dampers or other devices in the vent or
combustion air pipes.
INSTALLATION - VENTING
Do not terminate the vent directly above a gas meter or regulator.
Table 7.1 - Vent Termination Clearances
A16. The venting system must be exclusive to a single
appliance and no other appliance is allowed to be vented
into it.
A17. Precautions must be taken to prevent degradation of
building materials by flue products.
A18. Single wall vent pipe must not pass through any
unoccupied attic, inside wall, concealed space, or floor.
A19. Uninsulated single wall vent pipe must not be used
outdoors for venting appliances in regions where the 99%
winter design temperature is below 32°F.
A20. The vent terminal must be:
A21. If left hand (facing front of heater with air blowing in face)
power exhauster discharge is desired, the power
exhauster may be rotated 180°. To do this, remove the
screws in the vent collar, rotate the power exhauster, then
replace the screws.
A22. In addition to following these general instructions, specific
instructions for Vertical Category I or Horizontal Category
III vent systems must also be followed. The following
outlines the differences:
Minimum Clearances for
Structure Vent Terminal Location
Forced air inlet within 10' 3' above
Combustion air inlet of another
appliance 6' all directions
Door, window, gravity air inlet, 4' horizontal and below
or any building opening 1' above
Electric meter, gas meter, gas 4' horizontal (U.S.)
regulator, and relief equipment 6' horizontal (Canada)
Gas regulator 3' horizontal (U.S.)
6' horizontal (Canada)
Adjoining building or parapet wall 6' all directions
Adjacent public walkways 7' all directions
Grade (ground level) 3' above
Vertical Category I Vent
• Vertical vent systems terminate vertically (up) (an example
is shown in Figure 8.1).
• The horizontal portion of the vent run cannot exceed 75%
of the vertical rise (Example: If the vent height is 10', the
horizontal portion of the vent system cannot exceed 7.5').
• The vent terminates a minimum of 5' above the vent
connector on the unit.
• If the vent system to be installed meets ALL these criteria
(an example is shown in Figure 8.1), proceed to “Section B
- Vertical Vent System Installation”. For all other cases,
proceed to the next section for Horizontal Category III Vent
System Determination:
Horizontal Category III Vent
• Horizontal vent systems terminate horizontally (sideways)
(an example is shown in Figure 9.2).
• A vent system that terminates vertically but has a
horizontal run that exceeds 75% of the vertical rise is
considered horizontal.
• Horizontal vent configurations are Category III. Additional
requirements are covered in “Section C - Horizontal
Category III Vent System Installation”.
Table 7.3 - ANSI Unit Heater Venting Requirements
Category Description Venting Requirements
INegative vent pressure
Non-condensing Follow standard venting
requirements.
II Negative vent pressure
Condensing Condensate must be
drained.
III Positive vent pressure
Non-condensing Vent must be gas tight.
IV Positive vent pressure
Condensing
Vent must be liquid and
gas tight. Condensate
must be drained.
Note: Vent connectors serving Category I appliances shall not be connected
into any portion of mechanical draft systems operating under positive pressure.
Table 7.2 - Vent Terminals
Model Size Modine PN
150-200 5H0722850004
250-400 5H0722850002
6-580.20
8
Section B – Vertical Vent System Installation
B1. This section applies to vertically vented Category I
vent systems and is in addition to “Section A – General
Instructions – All Units”.
B2. Vertical vent systems terminate vertically and must be sized
in accordance with the National Fuel Gas Code,
ANSI Z223.1 (NFPA 54) - latest edition.
B3. The horizontal portion of the vent run cannot exceed 75%
of the vertical rise (Example: If the vent height is 10', the
horizontal portion of the vent system cannot exceed 7.5').
B4. It is recommended to install a tee with drip leg and clean out
cap as shown in Figure 8.1.
B5. The vent terminates a minimum of 5' above the vent
connector on the unit.
B6. All vertically vented heaters that are Category I must be
connected to a vent complying with a recognized standard,
with a material acceptable to the authority having jurisdiction.
Venting into a masonry chimney is not permitted. Refer to
the National Fuel Gas Code, ANSI Z223.1 (NFPA 54) - latest
edition for instructions on common venting.
B7. Use a listed vent terminal to reduce down drafts and
moisture in the vent.
B8. Double wall vent pipe is recommended, although single wall
can be used if the requirements of the National Fuel Gas
Code are followed.
B9. Vertical vents must terminate a minimum horizontal and
vertical distance from roof lines and adjacent walls or
obstructions. These minimum distances are outlined as
follows (based on National Fuel Gas Code requirements for
vents with diameters less than 12"):
• For double wall vent pipe and 8' or greater horizontal
distance to any vertical wall or similar obstruction, the
vent must terminate above the roof in accordance with
Figure 8.1 and Table 8.1.
• For double wall vent pipe and less than 8' horizontal
distance to any vertical wall or similar obstruction, the vent
must terminate at least 2' above the highest point where it
passes through a roof of a building and at least 2' higher
than any portion of a building within a horizontal distance of
10' (see Figure 8.1).
• For single wall vent pipe and 10' or greater horizontal
distance to any portion of a building, the vent must
terminate at least 2' above the highest point where it
passes through a roof of a building and at least 2' higher
than any portion of a building within a horizontal distance
of 10'.
• For single wall vent pipe and less than 10' horizontal
distance to any portion of a building, the vent must
terminate at least 2' higher than any portion of that building.
Figure 8.1 - Vertical Category I Vent System
INSTALLATION - VENTING
BACK VIEW
ROOF PITCH IS:
X / 12
TEE WITH DRIP LEG
AND CLEANOUT CAP
(SLOPE 1/4" PER
FOOT DOWNWARD
TOWARD DRIP LEG)
ROOF FLASHING
USE LISTED THIMBLE
THROUGH ROOF AND
CEILING
EXHAUST
12
X
LISTED TERMINAL
"H" MIN*
12" MIN
RECOMMENDED
4" MIN
Table 8.1 - Minimum Height from Roof to Lowest
Discharge Opening
Rise X (in) Roof Pitch Min Height H (ft) j
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
j Size according to expected snow depth.
9
6-580.20
Section C – Horizontal, Category III Vent System
Installation
C1. This section applies to horizontally vented Category III
vent systems and is in addition to “Section A – General
Instructions – All Units”.
C2. Horizontal vent systems terminate horizontally (sideways).
C3. Seal all seams and joints of un-gasketed single wall pipe
with metal tape or Silastic suitable for temperatures up to
400°F. Wrap the tape 2 full turns around the vent pipe.
For single wall vent systems, 1 continuous section of
double wall vent pipe may be used within the vent system
to pass through the wall to the listed vent cap.
Under no
circumstances should two sections of double wall vent pipe
be joined together within one horizontal vent system due to
the inability to verify complete seal of inner pipes.
Category
III vent systems listed by a nationally recognized agency and
matching the diameters specified may be used. Different
brands of vent pipe materials may not be intermixed. Refer
to instruction A10 in “Section A – General Instructions – All
Units” for attaching double wall pipe to single wall pipe.
C4. Refer to Table 6.1 for total minimum and maximum vent
lengths, making the system as straight as possible. The
equivalent length of a 90° elbow is 6' for 5" diameter and
7' for 6" diameter.
C5. All horizontal Category III vents must be terminated with a
listed vent cap. The cap must terminate a minimum distance
beyond the exterior wall surface as shown in Figure 9.2 and
Table 9.1. The vent must be supported as shown in Figure
9.1. Precautions must be taken to prevent degradation of
building materials by flue products.
C6. When condensation may be a problem, the vent system shall
not terminate over public walkways or over an area where
condensate or vapor could create a nuisance or hazard or
could be detrimental to the operation of regulators, relief
openings, or other equipment.
C7. The venting system must be exclusive to a single unit, and
no other unit is allowed to be vented into it.
C8. When vented horizontally, maintain a 1/4" per foot rise away
from the heater and place a drip leg with clean out near the
unit as shown in Figure 9.2. Where local authorities have
jurisdiction, a 1/4” per foot downward slope is acceptable
with a drip leg and clean out near the exit of the vent as
shown in Figure 9.2, or allow the condensate to drip out
the end.
C9. For a vent termination located under an eave, the distance
of the overhang must not exceed 24". The clearance to
combustibles above the exterior vent must be maintained
at a minimum of 12". Consult the National Fuel Gas Code
for additional requirements for eaves that have ventilation
openings.
C10. Once venting is complete, proceed to the section titled
“Installation – Gas Connections”.
INSTALLATION - VENTING
Figure 9.2 - Horizontal Venting
Figure 9.1 - Exhaust Vent Construction Through
Combustible Walls and Support Bracket
Table 9.1 - Dimension Between Vent Cap and
Exterior Wall
Vent Terminal “A” Min.
Selkirk, Starkap, or Constant Air-Flo 2433 12"
Modine 5H072285 6"
Tjernlund VH1 0"
10 6-580.20
INSTALLATION
Figure 10.1 - Recommended Sediment Trap/Manual
Shut-off Valve Installation for Gas Connection
j
j Manual shut-off valve is in the “OFF” position when handle is perpendicular
to pipe.
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%.
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-B149.1.
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 10.1 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 10.2. 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
10.1 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 10.1).
4. Use 2 wrenches when connecting field piping to units.
5. Provide a sediment trap before each unit and in the line
where low spots cannot be avoided (see Figure 10.1).
6. 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.
WARNING
1. 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.
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 dual rated units.
CAUTION
1. Purging of air from gas lines should be performed as
described in the National Fuel Gas Code, ANSI Z223.1
(NFPA 54) - latest edition or in Canada CSA-B149 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.
GAS CONNECTIONS
Pipe
Length (ft)
Natural Gas
1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
10 132 278 520 1050 1600 3050
20 92 190 350 730 1100 2100
30 73 152 285 590 890 1650
40 63 130 245 500 760 1450
50 56 115 215 440 670 1270
60 50 105 195 400 610 1150
70 46 96 180 370 560 1050
80 43 90 170 350 530 930
100 38 79 150 305 460 870
125 34 72 130 275 410 780
150 31 64 120 250 380 710
Table 10.2 - Gas Pipe Capacities - Natural Gas jk
j Capacities in cubic feet per hour through Schedule 40 pipe with maximum
0.3" W.C. pressure drop with up to 14" W.C. gas pressure. Specific gravity is
0.60 for natural gas and 1.50 for propane gas.
k For pipe capacity with propane gas, divide natural gas capacity by 1.6.
Example: What is the propane gas pipe capacity for 60' of 1-1/4" pipe? The
natural gas capacity is 400 CFH. Divide by 1.6 to get 250 CFH for propane
gas.
Table 10.1 - Sea Level Manifold Pressure & Gas
Consumption j
Model Size Manifold Pressure
("W.C.)
Natural Propane
3.5 10 # of
Orifices
150
CFH 138.1 58.0
2Gal/Hr. Propane - 1.64
Orifice Drill Size 21 39
175
CFH 166.7 70.0
3Gal/Hr. Propane - 1.86
Orifice Drill Size 28 43
200
CFH 190.5 80.0
3Gal/Hr. Propane - 2.19
Orifice Drill Size 25 42
250
CFH 238.1 100.0
3Gal/Hr. Propane - 2.74
Orifice Drill Size 18 36
300
CFH 285.7 120.0
4Gal/Hr. Propane - 3.29
Orifice Drill Size 21 39
350
CFH 333.3 140.0
5
Gal/Hr. Propane - 3.84
Orifice Drill Size 23 41
400
CFH 381.0 160.0
6Gal/Hr. Propane - 4.38
Orifice Drill Size 25 42
11
6-580.20
INSTALLATION - HIGH ALTITUDE ACCESSORY KIT
HIGH ALTITUDE ACCESSORY KIT
Table 11.1 - Natural Gas Heating Values at
Altitude j l m
Table 11.2 - Propane Gas Heating Values at
Altitude k l m
Modine’s gas-fired equipment standard input ratings are
certified by ETL. For elevations above 2,000', ANSI Z223.1
requires ratings be reduced 4 percent for each 1000' above sea
level. For units in Canada, CSA requires that ratings be reduced
10 percent at elevations above 2,000'. The high altitude
adjustment instructions and pressure switch kits listed in this
manual are for use with units that will be installed over 2,000'
These methods and kits comply with both ANSI Z223.1 and
CSA requirements.
If a unit is to be installed at higher elevations AND converted from
natural gas to propane gas operation, a propane conversion kit
must be used in conjunction with the pressure adjustment
methods and pressure switch kits listed herein. For the Selection
and Installation Instructions for propane conversion kits, please
see the latest revision of Modine Manual 75-511.
Selection of the Proper Pressure and Kit
To determine the proper manifold pressure at altitude and if
required, the proper combustion air pressure switch kit, the full
model number of the heater, the fuel to be used, and the
altitude the unit will be installed at must be known. Refer to the
unit serial plate or carton label to obtain the necessary
information about the unit.
After obtaining this information, refer to the gas pressure and
selection charts shown in Tables 11.1 through 11.3. The pressure
charts are differentiated by elevation, fuel type, and country
the product is being installed in. The selection charts are
differentiated by product type, altitude and fuel type. If
converting from natural gas to propane gas and operation
at high altitude, both a propane conversion kit and a
pressure switch kit must be used (if applicable). Selection
charts include the proper kit suffix, when required.
Manifold Pressure Adjustment
The inlet pressure to the unit must be confirmed to be within
acceptable limits (6-7" W.C. for natural gas and 11-14" W.C.
for propane gas) before opening the shutoff valve or the
combination gas valve may be damaged.
Heaters for use with natural gas have gas valves that need to
be feild set at 3.5” W.C. manifold pressure at 7.0” W.C. inlet
pressure.
Units for use with propane gas need to be feild set for 10.0”
W.C. manifold pressure at 14.0” W.C. inlet pressure.
Installation above 2,000'. elevation requires adjustment of the
manifold pressure as described.
Derated BTU Content Gas and Manifold Pressure
Calculation
Some utility companies may derate the BTU content (heating
value) of the gas provided at altitude to a value other than 1,050
BTU/ft3 for natural gas or 2,500 BTU/ft3 for propane gas to allow
certain heating appliances to be used with no manifold pressure
adjustments. For this reason it is necessary that the supplying
utility be contacted for detailed information about the gas type
and BTU content (heating value) before operating any heater.
Tables 11.1 and 11.2 show the standard derated heating values
(4% per 1,000' of elevation in the USA and 10% between 2,001’
and 4,500' elevation in Canada) of natural and propane gases
at various altitudes. If the utility is supplying gas with heating
values as shown in Tables 11.1 and 11.2, the manifold pressure
should be set to 3.5" W.C for natural gas and 10.0" W.C. for
propane gas.
NOTE: Only the high fire gas pressure need be adjusted, low
fire gas pressure should remain the same.
j Values shown are for 3.5" W.C. manifold pressure, for other BTU content values (available from local utility) use Equation 12.1 to calculate manifold pressure.
k Values shown are for 10.0" W.C. manifold pressure, for other BTU content values (available from local utility) use Equation 12.1 to calculate manifold pressure.
l When installed at altitudes above 2,000', a pressure switch may need to be changed. Refer to Table 12.1 to determine if a switch change is required.
m Gas heating values are derated 4% per 1,000' of elevation in the USA and 10% between 2,000' and 4,500' elevation in Canada in accordance with ANSI Z223.1
and CSA-B149, respectively.
Altitude (ft) Gas Heating Values at Altitude (BTU/ft3)
USA Canada
0-2,000 1,050 1,050
2,001-3,000 929
9453,001-4,000 892
4,001-4,500 874
4,501-5,000 856 856
5,001-6,000 822 822
6,001-7,000 789 789
7,001-8,000 757 757
8,001-9,000 727 727
9,001-10,000 698 698
10,001-11,000 670 670
11,001-12,000 643 643
12,001-13,000 618 618
13,001-14,000 593 593
Altitude (ft) Gas Heating Values at Altitude (BTU/ft3)
USA Canada
0-2,000 2,500 2,500
2,001-3,000 2,212
2,2503,001-4,000 2,123
4,001-4,500 2,080
4,501-5,000 2,038 2,038
5,001-6,000 1,957 1,957
6,001-7,000 1,879 1,879
7,001-8,000 1,803 1,803
8,001-9,000 1,731 1,731
9,001-10,000 1,662 1,662
10,001-11,000 1,596 1,596
11,001-12,000 1,532 1,532
12,001-13,000 1,471 1,471
13,001-14,000 1,412 1,412
12 6-580.20
INSTALLATION - HIGH ALTITUDE ACCESSORY KIT
If the heating value of the gas being supplied is different than
the values shown in Tables 11.1 and 11.2, use the following
equation to determine the appropriate manifold pressure for the
altitude and gas heating value being supplied.
Equation 12.1 - Manifold Pressure for Derated Gas
WHERE:
MPACT = Manifold Pressure (in. W.C.) at Altitude –
Manifold pressure setting for the heater being
installed
BTUTBL = BTU/ft3 Content of Gas –
Obtained from Tables 11.1 or 11.2 (whichever is
applicable)
BTUACT = BTU/ft3 Content of Gas –
Obtained from the local utility company
MPSL = Manifold Pressure (in. W.C.), at Sea Level –
Use 3.5" W.C. for natural gas and 10.0" W.C. for
propane gas
NOTE: Only the primary manifold pressure should be adjusted
on units equipped with 2-stage or modulating gas controls. No
adjustments to the low fire manifold pressure are necessary on
these units.
Table 12.1 - High Altitude Kits for PDP/BDP j
US and Canada
Altitude (ft)
Model Size
150 175 200
250 300 350 400
Item
Code
Item
Code
Item
Code
Item
Code
Item
Code
Item
Code
Item
Code
0-2,000 not re-
quired
not re-
quired
not re-
quired
not re-
quired
not re-
quired
not re-
quired
not re-
quired
2,001-7,500 67248 67248 67248 67248 67248 67248
67248
7,501-8,500 68408 55941 67248 55942 67248 68406
68407
8,501-9,500 68408 55941 67248 55942 67248 68406
68407
9,501-10,000 68408 55941 67248 55942
68408 68406 68407
10,001-11,000 55948 55941 67248 77785
68408 68406 68407
11,001-12,000 55948 55941 67248
77785 68408 68406 55941
12,001-13,000 55948 55941 67248
77785 68408 68406 55941
13,001-14,000 55948 55941 55941 77785
68408 68406 55941
j For Label Only (67248) kits, Modine part number 5H0807146005 is
required to be filled out and attached to the unit by the installer.
Please contact the local Modine representative at 1.800.828.4328 (HEAT).
13
6-580.20
1. Installation of wiring must conform with local building
codes, or in the absence of local codes, with the National
Electric Code ANSI/NFPA 70 - Latest Edition. Unit must
be electri cally grounded in conformance to this code. In
Canada, wiring must comply with CSA C22.1, Part 1,
Electrical Code.
2. Two copies of the unit wiring diagram are provided with
each unit. One is located in the electrical junction box and
the other is suppled in the literature packet. Refer to this
diagram for all wiring connections.
3. Make sure all multi-voltage components (motors,
transform ers, etc.) are wired in accordance with the power
supply voltage.
4. The power supply to the unit must be protected with a
fused or circuit breaker switch.
5. The power supply must be within 10 percent of the voltage
rating and each phase must be balanced within 2 percent
of each other. If not, advise the utility company.
6. External electrical service connections that must be
installed include:
a. Supply power connection (120, 208, 240, 480, or 575 volts).
b. Thermostats, summer/winter switches, or other accessory
control devices that may be supplied (24 volts).
NOTE: Certain units will require the use of a field step-down
transformer. Refer to the serial plate to determine the unit
supply voltage required. Additional information may be found in
Tables 19.2 and 19.3 and in the step down transformer
installation instructions.
7. Refer to Figure 18.1 for the electrical junction box locations.
8. All supply power electrical connections are made in the
electrical junction box of the unit. The low voltage (thermostat
and accessory control devices) can be wired to the terminals
on the electrical junction box. Refer to the wiring diagram for
the terminal location of all low voltage wiring.
DUCT INSTALLATION
When installing the heater, always follow good duct design
practices for even distribution of the air across the heat
exchanger. Recommended layouts are shown in Figure 13.1.
When installing blower units with ductwork the following must
be done.
1. Provide uniform air distribution over the heat exchanger.
Use turning vanes where required (see Figure 13.1).
2. Provide removable access panels in the ductwork on the
downstream side of the unit heater. These openings should
be large enough to view smoke or reflect light inside the
casing to indicate leaks in the heat exchanger and to check
for hot spots on exchanger due to poor air distribution or
lack of sufficient air.
3. If ductwork is connected to the rear of the unit use a Modine
blower enclosure kit or if using a field designed enclosure
maintain dimensions of the blower enclosure as shown on
page 25.
Additional Requirements for Blower Model BDP
Determining Blower Speed
The drive assembly and motor on all blower units are factory
assembled and adjusted for operation under average conditions
of air flow and without any external static pressure. The
motor sheave should be adjusted as required when the unit
is to be operated at other than average air flows and/or with
external static pressures. Adjustment must always be within the
performance range shown on page 20 and the temperature rise
range shown on the unit’s rating plate.
To determine the proper blower speed and motor sheave turns
open, the operating conditions must be known. For example, a
model BDP350 unit, operating with no external static pressure,
(e.g. no ductwork, nozzles, etc.) is to deliver an air volume
of 6481 cfm (cfm = cubic feet per minute). This requires the
unit be supplied with a 5 hp motor, a -207 drive, and the drive
sheave set at 2.5 turns open to achieve a blower speed of 960
A
BAFFLE
B
12" MIN.
B
3" MAX.
TURNING
VANES
3" MIN.
A
A
3" MIN.
12"
MIN.
3" MAX.
TURNING
VANES
12"
B
BAFFLE
A
B
12"
MIN.
BAFFLE
TURNING
VANES
SIDE VIEW
Dimension “B” Should Never Be Less than 1/2 of “A”
SIDE VIEW
SIDE VIEW TOP VIEW
INSTALLATION
Do not attempt to attach ductwork of any kind to propeller
models.
ELECTRICAL CONNECTIONS
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.
Figure 13.1 - Recommended Ductwork Installations
CAUTION
Ensure that the supply voltage to the appliance, as indicated
on the serial plate, is not 5% less than the rated voltage.
IMPORTANT
14 6-580.20
3. Adjust motor adjusting screw for a belt deflection of
approximately 3/4" with five pounds of force applied midway
between the sheaves (see Figure 14.3). Since the belt
tension will decrease dramatically after an initial run-in period,
it is necessary to periodically re-check the tension. Excessive
tension will cause bearing wear and noise.
4. The blower bearings are lubricated for life; however, before
initial unit operation the blower shaft should be lubricated at
the bearings with SAE 20 oil. This will reduce initial friction
and start the plastic lubricant flowing.
5. Make electrical connections as outlined in the section
“Electrical Connections” on page 13.
Blower Adjustments
Following electrical connections, check blower rotation to assure
blow-through heating. If necessary interchange wiring to reverse
blower rotation. Start fan motor and check blower sheave
RPM with a hand-held or strobe-type tachometer. RPM should
check out with the speeds listed in “Performance Data” shown
on page 20. A single-speed motor with an adjustable motor
sheave is supplied with these units. If blower fan speed
changes are required, adjust motor sheave as follows:
NOTE: Do not fire unit until blower adjustment has been
made or unit may cycle on limit (overheat) control.
1. Shut-off power before making blower speed
adjustments. Refer to “Determining Blower Speed” on page
13 and to “Performance Data” on page 20 to determine
proper blower RPM.
2. Loosen belt and remove from motor sheave.
3. Loosen set screw on outer side of adjustable motor sheave
(see Figure 14.2).
4. To reduce the speed of the blower, turn outer side of motor
sheave counterclockwise.
5. To increase the speed of the blower, turn outer side of motor
sheave clockwise.
6. Retighten motor sheave set screw, replace belt and retighten
motor base. Adjust motor adjusting screw such that there
is 3/4" belt deflection when pressed with 5 pounds of force
midway between the blower and motor sheaves (see Figure
14.3). Since the belt tension will decrease dramatically
after an initial run-in period, it is necessary to periodically
re-check the tension to assure proper belt adjustment.
7. Check to make certain motor sheave and blower sheave are
aligned. Re-align if necessary.
8. Re-check blower speed after adjustment.
9. Check motor amps. Do not exceed amps shown on motor
nameplate. Slow blower if necessary.
10. Check air temperature rise across unit. Check temperature
rise against values shown in Performance Tables on page
20 to assure actual desired air flow is being achieved.
11. If adjustments are required, recheck motor amps after final
blower speed adjustment.
rpm (see performance table for units with or without blower
enclosure, page 20). See “Blower Adjustments” for setting of
drive pulley turns open.
If a blower unit is to be used with ductwork or nozzles, etc., the
total external static pressure under which the unit is to operate,
and the required air flow must be known before the unit can be
properly adjusted. Any device added externally to the unit, and
which the air must pass through, causes a resistance to air flow
called pressure loss.
If Modine filters are used, the pressure loss through the filters
is included in the performance data on page 20. If Modine
supplied discharge nozzles are used, the pressure drop of
the nozzles can be found footnoted at the bottom of page
23. If filters, nozzles or ductwork are to be used with the unit,
and they are not supplied by Modine, the design engineer
or installing contractor must determine the pressure loss for
the externally added devices or ductwork to arrive at the total
external static pressure under which the unit is to operate.
Once the total static pressure and the required air flow are
known, the operating speed of the blower can be determined
and the correct motor sheave adjustments made. As an
example, a model BDP350 is to be used with a Modine supplied
blower enclosure and filters attached to ductwork by others.
The unit is to move 6481 cfm of air flow against an external
static pressure of 0.2" W.C, which must be added for the filter
pressure drop for a total of 0.4" W.C. total pressure drop. The
performance table on page 20 for a BDP350, at 6481 cfm and
0.4" W.C. static pressure, shows that the unit will require a 5 hp
motor using a -207 drive, and the motor sheave should be set
at .5 turns open to achieve a blower speed of 1050 rpm.
To Install
1. Remove and discard the motor tie down strap and the
shipping block beneath the belt tension adjusting screw
(Not used on all models.)
2. For 3 and 5 HP motors, affix sheave to the motor shaft and
install motor on the motor mounting bracket. Install belt on
blower and motor sheaves.
INSTALLATION
Figure 14.1 - Blower Model
THREADED MOUNTING BRACKETS ON
BLOWER ASSEMBLY
MOTOR SHEAVE
(MOVEABLE
FACE TO
OUTSIDE)
BLOWER
HOUSING
MOTOR
ADJUSTMENT
SCREW
MOTOR MOUNTING
BRACKET
BLOWER
SHEAVE
TOWARD MOTOR
SET SCREW
ADJUSTABLE HALF
OF SHEAVE
3/4" DEFLECTION
WITH 5# FORCE
Figure 14.2 -
Motor Sheave Adjustment
Figure 14.3 -
Belt Tension Adjustment
15
6-580.20
1. Turn off power to the unit at the disconnect switch. Check
that fuses or circuit breakers are in place and sized
correctly. Turn all hand gas valves to the “OFF” position.
2. Remove electrical junction box cover.
3. Check that the supply voltage matches the unit supply
voltage listed on the Model Identification Plate. Verify that
all wiring is secure and properly protected. Trace circuits to
insure that the unit has been wired according to the wiring
diagram. If installed at altitudes above 2,000' and the high
altitude kit includes a combustion air proving switch, replace
the switch in the unit with the switch provided in the kit. Take
care to ensure that the tubing and electrical connections are
securely fastened.
4. Check to insure that the venting system is installed correctly
and free from obstructions.
5. Check to see that there are no obstructions to the intake
and discharge of the unit.
6. For blower units, check the belt tension and sheave
alignment. Refer to “Blower Adjustments” for proper belt
tension.
7. Check bearings for proper lubrication (if applicable).
8. Check to make sure that all filters are in place and that
they are installed properly according to direction of air flow
(if applicable).
9. Perform a visual inspection of the unit to make sure no
damage has occurred during installation. Lower bottom pan
and visually inspect all components in the burner
compartment. Check to ensure all fasteners are in place
and the burner openings are properly aligned with the heat
exchanger tubes and that the gas orifices are centered in
the burner inspirator tube opening, as shown in Figure 16.2.
10. Check that all horizontal deflector blades are open a
minimum of 30° as measured from vertical.
11. Turn on power to the unit at the disconnect switch. Check to
insure that the voltage between electrical junction box
terminals T1 and G is 24V.
12. Check the thermostat, ignition control, gas valve, and supply
fan blower motor for electrical operation. If these do not
function, recheck the wiring diagram. Check to insure that
none of the Control Options have tripped.
1 3. Check the blower wheel for proper direction of rotation
when compared to the air flow direction arrow on the
blower housing (if applicable). Blower wheel rotation, not air
movement, must be checked as some air will be delivered
through the unit with the blower wheel running backwards.
14. For blower units, check the blower speed (rpm). Refer to
“Blower Adjustments” for modification.
15. Check the motor speed (rpm).
16. Check the motor voltage. On three phase systems, check to
make sure all legs are in balance.
17. Check the motor amp draw to make sure it does not exceed
the motor nameplate rating. On three phase systems, check
all legs to insure system is balanced.
18. Recheck the gas supply pressure at the field installed
manual shut-off valve. The minimum inlet pressure should
be 6" W.C. on natural gas and 11" W.C. on propane gas.
The maximum inlet pressure for either gas is 14" W.C. If
inlet pressure exceeds 14" W.C., a gas pressure regulator
must be added upstream of the combination gas valve.
START-UP PROCEDURE
IMPORTANT
1. To prevent premature heat exchanger failure, observe
heat exchanger tubes. If the bottom of the tubes become
red while blower and furnace are in operation, check to
be sure the blower has been set to the proper rpm for the
application. Refer to page 14 for blower adjustments.
2. Start-up and adjustment procedures must be performed by
a qualified service agency.
3/4" to 1"
Figure 15.1 - Correct Pilot Flame
19. Open the field installed manual gas shut-off valve.
20. Open the manual main gas valve on the combination gas
valve. Call for heat with the thermostat and allow the pilot to
light for intermittent pilot ignition. If the pilot does not light,
purge the pilot line. If air purging is required, disconnect the
pilot line at outlet of pilot valve. In no case should line be
purged into heat exchanger. Check the pilot flame length
(See “Pilot Flame Adjustment”).
21. Once the pilot has been established, check to make sure
that the main gas valve opens. Check the manifold gas
pressure (see “Main Gas Adjustment”) and flame length
(see “Air Shutter Adjustment”) while the supply fan blower
is operating. Inspect the condition of the main flame and
if necessary, resolve flame appearance problems (see
“Burner Flame Adjustment” and Figures 28.1 through 28.4).
22. Check to insure that gas controls sequence properly (see
“Control Operating Sequence”). Verify if the unit has any
additional control devices and set according to the
instructions in the “Control Options”.
23. Once proper operation of the unit has been verified,
remove any jumper wires that were required for testing.
24. Replace the electrical junction box cover.
25. If installed at altitudes above 2,000', affix label included with
high altitude kit and fill in all fields with a permanent marker.
Pilot Burner Adjustment
The pilot burner is orificed to burn properly with an inlet
pressure of 6-7" W.C. on natural gas and 11-14" W.C. on
propane gas, but final adjustment must be made after
installation. If the pilot flame is too long or large, it is possible
that it may cause soot and/or impinge on the heat exchanger,
causing failure. If the pilot flame is shorter than shown, it may
cause poor ignition and result in the controls not opening the
combination gas control. A short flame can be caused by a
dirty pilot orifice. Pilot flame condition should be observed
periodically to assure trouble-free operation.
To Adjust the Pilot Flame
1. Create a call for heat from the thermostat.
2. Remove the cap from the pilot adjustment screw. For
location, see the combination gas control literature supplied
with unit.
3. Adjust the pilot length by turning the screw in or out to
achieve a soft steady flame 3/4" to 1" long and
encompassing 3/8"-1/2" of the tip of the thermocouple or
flame sensing rod (see Figure 15.1).
4. Replace the cap from the pilot adjustment screw.
16 6-580.20
START-UP PROCEDURE
Main Burner Adjustment
The gas pressure regulator (integral to the combination gas
control) is adjusted at the factory for average gas conditions.
It is important that gas be supplied to the unit heater in
accordance with the input rating on the serial plate. Actual
input should be checked and necessary adjustments made
after the unit heater is installed. Over-firing, a result of too
high an input, reduces the life of the appliance and increases
maintenance. Under no circumstances should the input exceed
that shown on the serial plate.
Measuring the manifold pressure is done at the outlet pressure
tap of the gas valve (see Figure 16.1).
To Adjust the Manifold Pressure
1. Move the field installed manual shut-off valve to the “OFF”
position.
2. Remove the 1/8" pipe plug in the pipe tee or gas valve and
attach a water manometer of “U” tube type which is at least
12" high.
3. Move the field installed manual gas shut-off valve to the “ON”
position.
4. Create a high fire call for heat from the thermostat.
5. Determine the correct high fire manifold pressure (3.5" W.C.
for natural gas, 10" W.C. for propane gas). (Pressures at
0-2,000' elevation are 3.5" W.C. for natural gas, 10" W.C.
for propane gas, for elevations above 2,000' refer to the
instructions in “Gas Connections - High Altitude Accessory
Kit” on page 11). Adjust the main gas pressure regulator
spring to achieve the proper manifold pressure (for location,
see the combination gas control literature supplied with unit).
6. After adjustment, move the field installed manual shut-off
valve to the “OFF” position and replace the 1/8" pipe plug.
7. After the plug is in place, move the field installed manual
shut-off valve to the “ON” position and recheck pipe plugs for
gas leaks with soap solution.
Burner Flame Adjustment
Proper operation provides a soft blue flame with a well-defined
inner core. A lack of primary air will reveal soft yellow-tipped
flames. Excess primary air produces short, well-defined flames
with a tendency to lift off the burner ports. For both natural and
propane gas, the flame may be adjusted by sliding the manifold.
Also, for units with the air shutters, they can be adjusted
to control the burner flame height. The air shutters can be
accessed by lowering the bottom pan of the unit heater.
Natural Gas Flame Control
Control of burner flames on unit heaters utilizing natural gas is
achieved by resetting the manifold position to either increase
or decrease primary combustion air. Prior to flame adjustment,
operate unit heater for about fifteen minutes. The main burner
flame can be viewed after loosening and pushing aside the
flame observation disc on the back of the unit.
To increase primary air, loosen the manifold mounting screws
and move the manifold away from the burner until the yellow-
tipped flames disappear (see Figure 16.2). To decrease primary
air, move manifold closer to the burner until flames no longer lift
from burner ports, but being careful not to cause yellow tipping.
Retighten manifold mounting screws after adjustment.
Propane Gas Flame Control
An optimum flame will show a slight yellow tip. Prior to flame
adjustment, operate heater for at least 15 minutes. Loosen air
shutter set screws and move the air shutters away from the
manifold to reduce the primary air until the yellow flame tips
appear (see Figure 16.3). Then increase the primary air until
yellow tips diminish and a clean blue flame with a well-defined
inner cone appears.
Figure 16.1 - Typical Combination Gas Control
GAS CONTROL KNOB
INLET
PRESSURE
TAP
PRESSURE REGULATOR
ADJUSTMENT SCREW
(UNDER CAP SCREW)
OUTLET
PRESSURE
TAP
OUTLET
PILOT TUBING
CONNECTION
PILOT ADJUSTMENT
SCREW
RESET BUTTON
INLET
Figure 16.2 - Manifold Adjustment, Natural Gas
MANIFOLD
MIXER
TUBES
BURNER
RETAINING PIN
MAIN
BURNER
ORIFICES
MANIFOLD MOUNTING
SCREW AND PIN
Figure 16.3 - Air Shutter Adjustment, Propane Gas
MANIFOLD
MIXER
TUBES
MAIN
BURNER
ORIFICES
AIR
SHUTTER
It may also be necessary to adjust the manifold position in
addition to adjusting air shutters to obtain proper flame. Follow
the instructions under “Natural Gas Flame Control” for adjusting
the manifold.
17
6-580.20
START-UP PROCEDURE
Control Operating Sequence
All units are supplied with intermittent pilot systems with
continuous retry control as standard. For intermittent pilot
systems, both the main burner and pilot are turned off 100%
when the thermostat is satisfied. For all units, the system
will attempt to light the pilot for 70 seconds. If the pilot is not
sensed, the ignition control will wait approximately 6 minutes
with the combination gas control closed and no spark. After
6 minutes, the cycle will begin again. After 3 cycles, some
ignition controllers lockout for approximately 1 hour before the
cycle begins again. This will continue indefinitely until the pilot
flame is sensed or power is interrupted to the system. Refer to
Table 18.1 for control code descriptions. Specific descriptions of
the control sequence for different control codes are listed below.
1. The thermostat calls for heat.
2. The power exhauster relay is energized, starting the power
exhauster motor. Once the motor has reached full speed, the
differential pressure switch closes.
3. The pilot valve opens and the ignitor sparks for 70 seconds
in an attempt to light the pilot.
4. Once the pilot is lit, the flame sensor proves the pilot and
stops the ignitor from sparking.
5. On single stage units, the main gas valve is opened and the
main burner is lit to 100% full fire. On two stage units, the
gas valve may open at either 50% or 100%, depending on
what the two stage thermostat is calling for.
6. The air mover starts after 30 to 90 seconds to allow the heat
exchanger to warm up.
7. The unit continues to operate until the thermostat is satisfied,
at which time both the main and pilot valves close 100%.
8. The air mover stops after 30 to 90 seconds to remove
residual heat from the heat exchanger.
18 6-580.20
All units include the standard (STD) features. The unit must be
reviewed to determine the optional (OPT) features that may
have been supplied with the unit.
j Gas Valve
a) Single Stage Gas Valve - (STD)
The main gas valve provides the pilot, regulator, main gas,
and manual shutoff functions. For additional information,
see the supplier literature included with the unit.
b) Two Stage Gas Valve - (OPT)
The two stage gas valve provides the pilot, regulator, main
gas (100% and 50% fire), and manual shutoff functions.
For additional information, see the supplier literature
included with the unit.
k Ignition controller - (STD)
The ignition controller is factory installed on the back of the unit
heater with the spark igniter and sensor located on the burner.
For additional information, refer to “Control Operating Sequence”
on page 16 and the supplier literature included with the unit.
l Time Delay Relay - (STD)
The time delay relay is factory installed in electrical junction
box and controls propeller/blower motor function. For single-
phase units below 2 Hp, the time delay relay controls the motor
directly. For single-phase units 2 Hp and greater and all three
phase units, the time delay relay controls the motor starter. For
additional information, refer to “Control Operating Sequence”
on page 17.
m Low Voltage Terminal Board - (STD)
The low voltage terminal board is located in the electrical
junction box. The terminal board is labeled to match the
electrical wiring diagram provided with the unit. All low voltage
field wiring connections should be made to the exposed side of
the terminal board (exterior of electrical junction box) to prevent
miswiring by modifying the factory wiring, which is inside the
electrical junction box.
n Control Step Down Transformer - (STD)
The control step down transformer is located in the electrical
junction box. The transformer is used to step down the supply
power (115V, 208V, 230V, 460V, 575V) to 24V. This transformer
is used to control the gas controls, fan delay relay, field
supplied motor starter, etc. All unit heaters are supplied with a
40VA control step down transformer. To determine the control
transformer supplied as well as any accessory/field supplied
transformers required, reference the supply voltage listed on
the serial plate and reference Tables 19.2 and 19.3.
o High Limit Switch - (STD)
The automatic reset high limit switch is factory installed on
the left side (air blowing at you) of the unit heater. If the limit
temperature is exceeded, the gas controls are de-energized
until the switch is cooled.
p Pressure Switch (STD)
An automatic reset vent pressure switch is designed to prevent
operation of the main burner if there is restricted venting of
flue products. This restriction may occur due to an improper
vent diameter, long vent runs, unapproved vent terminal, high
winds, high negative pressure within space, etc. After the cause
of the restriction has been corrected, the pressure switch will
reset automatically. See the troubleshooting section for more
information.
q Power Exhauster (STD)
All power vented unit heaters are supplied with a round vent
pipe connection. Some models may require the use of a vent
transition from the power exhauster outlet to the vent pipe (see
Table 6.1). The power exhauster may be rotated 180° to allow
for various venting directions.
r Blower Motor - (STD on BDP models only)
The blower motor can be provided in a variety of supply
voltages and motor horsepowers. Refer to the model
nomenclature to determine the motor provided. The blower
motor is supplied with an adjustable sheave that can be used
to increase/decrease the blower RPM. For instructions on
changing the blower RPM, refer to “Blower Adjustments.”
UNIT AND CONTROL OPTIONS
j
kl
m
n
r
o
p
Figure 18.1 - Factory Mounted Option Location
q
j All controls are intermittent pilot ignition, 100% shut-off with continuous retry.
k Factory wired 460/575 available on blower models. Field installed step down
transformer may be used for 460/575 propeller applications.
Single-Stage
j
30
31
32
33
85
86
93
94
115V
208/230V
460V k
575V k
87
88
25V
25V
25V
25V
25V
25V
Control System
Description
Control Code
Natural
Gas
Propane
Gas
Service
Voltage
Thermostat
Voltage
Two-Stage
j63
64
115V
208/230V
Table 18.1 - Control Descriptions - Models PDP & BDP
19
6-580.20
GENERAL PERFORMANCE DATA
Table 19.1 - Performance - Propeller (PDP) jkl
Ratings shown are for elevations up to 2,000'. For elevations above 2,000', ratings should be reduced at the rate of 4%
for each 1,000' above sea level (in Canada see rating plate.) Reduction of ratings requires use of a high altitude kit.
Data taken at 55°F air temperature rise. At 65°F ambient and unit fired at full-rated input. Mounting height as measured
from bottom of unit, and without deflector hoods. For units equipped with deflector hoods, see page 23.
All motors used are produced, rated and tested by reputable manufacturers in accordance with NEMA standards and
carry the standard warranty of both the motor manufacturer and Modine. All motors are totally enclosed and all single
phase motors have built-in thermal overload protection.
Model Number
PDP 150 PDP 175 PDP200 PDP 250 PDP 300 PDP 350 PDP 400
Btu/Hr. Input 150,000 175,000 200,000 250,000 300,000 350,000 400,000
Btu/Hr. Output 124,500 145,250 166,000 207,500 249,000 290,500 332,000
Entering Airflow (CFM) 2180 2550 2870 3700 4460 4870 5440
CFM Range -------
Air Temp. Rise (F) 51 51 52 50 50 53 54
Max. Mounting Hgt. (Ft.) 16 17 15 19 21 20 19
Heat Throw (Ft.)
@ Maximum Mgt. Height
55 59 51 67 74 70 69
Motor Type PSC PSC PSC PSC PSC PSC PSC
HP 115/60/1 (PC01) 1/8 1/6 1/6 1/3 1/2 3/4 3/4
Blower (BDP) Models
* See pages 20 and 21 for motor information
Model Number BDP150 BDP175 BDP200 BDP250 BDP300 BDP350 BDP400
Btu/Hr. Input 150,000 175,000 200,000 250,000 300,000 350,000 400,000
Btu/Hr. Output 123,000 143,500 164,000 205,000 246,000 287,000 328,000
Entering Airflow (CFM)
Low
CFM
Mid
CFM
High
CFM
Low
CFM
Mid
CFM
High
CFM
Low
CFM
Mid
CFM
High
CFM
Low
CFM
Mid
CFM
High
CFM
Low
CFM
Mid
CFM
High
CFM
Low
CFM
Mid
CFM
High
CFM
Low
CFM
Mid
CFM
High
CFM
1587 2020 2778 1852 2357 3241 2116 2694 3704 2646 3367 4630 3175 4040 5556 3704 4714 6481 4233 5387 6584
Max Mounting Height. (Ft.) 10 14 23 10 15 24 9 12 22 12 17 27 13 18 30 13 19 30 13 19 25
Air Temp. Rise (F) 70 55 40 70 55 40 70 55 40 70 55 40 70 55 40 70 55 40 70 55 45
Heat Throw (Ft.)
@ Max Mounting Height. 34 49 80 37 52 85 33 48 77 41 59 96 45 65 105 46 67 107 46 66 89
Heat Throw (Ft.)
@ 7’ Minimum Mounting Height. 45 71 120 49 76 128 43 68 115 57 87 145 64 97 160 66 99 164 66 99 136
20 6-580.20
BDP 150 0.1" W.C.
BDP 175 0.2" W.C.
BDP 200 0.1" W.C.
BDP 250 0.2" W.C.
BDP 300 0.2" W.C.
BDP 350 0.2" W.C.
BDP 400 0.2" W.C.
GENERAL PERFORMANCE DATA
Table 20.1 - Models With or Without Blower Enclosure - Blower Model BDP j k
Filters
For blower units with
enclosure and filter, add the
following static pressures
to the static pressure
determined by the system
designer for total external
static pressure.
j Outputs shown are for elevations up to 2000'.
For elevations over 2000', output needs to be
reduced 4% for each 1000' above sea level.
(Does not apply in Canada - see rating plate)
k Sheave turns open are approximate.
For proper operation, check blower rpm.
l Models not shown use same HP and drive
numbers as cataloged.
m Performance is the same; motor sheave
accommodates larger shaft. When ordering
230/460V (1 & 1-1/2 HP) or 575V, specify the
listed 230/460V (1 & 1-1/2 HP) or 575V drive.
Alternate Drives for 575V l
Model Drive for
Under 575V Drive for
575V
150
1/4 - 191 =1/4 - 197
1/3 - 191 =1/3 - 197
1/3 - 95 =1/3 - 96
1 - 38 =1 - 254
175
1/3 - 95 =1/3 - 96
1 - 192 =1 - 256
1-1/2 - 193 =1-1/2 - 198
200
1/4 - 212 =1/4 - 213
1/3 - 212 =1/3 - 213
1/3 - 102 =1/3 - 101
1 - 16 =1 - 178
1-1/2 - 105 =1-1/2 - 180
250
1/3 - 203 =1/3 - 204
1 - 205 =1 - 157
1-1/2 - 105 =1-1/2 - 180
300
1 - 205 =1 - 157
1-1/2 - 106 =1-1/2 - 108
1-1/2 - 105 =1-1/2 - 180
350
1 - 205 =1 - 157
1-1/2 - 105 =1-1/2 - 180
1-1/2 - 100 =1-1/2 - 210
400 1-1/2 - 105 =1-1/2 - 180
Model HP & Drive
Listed HP & Drive
Needed
150 1 - 38 =1 - 254
175
1 - 192 =1 - 256
1-1/2 - 193 =1-1/2 - 198
1-1/2 - 79 =1-1/2 - 80
200
1 - 16 =1 - 178
1-1/2 - 105 =1-1/2 - 180
1-1/2 - 23 =1-1/2 - 177
250
1 - 205 =1 - 157
1-1/2 - 105 =1-1/2 - 180
1-1/2 - 23 =1-1/2 - 177
300
1 - 205 =1 - 157
1-1/2 - 105 =1-1/2 - 180
1-1/2 - 23 =1-1/2 - 177
350
1 - 205 =1 - 157
1-1/2 - 106 =1-1/2 - 108
1-1/2 - 105 =1-1/2 - 180
400 1-1/2 - 105 =1-1/2 - 180
Alternate Drives for
208-230/460V l
Data for use with lters only
Model
Size ATR CFM 0.0" Static Press. 0.1" Static Press. 0.2" Static Press. 0.3" Static Press. 0.4" Static Press. 0.5" Static Press. 0.6" Static Press. 0.7" Static Press.
RPM HP Drive Turns RPM HP Drive Turns RPM HP Drive Turns RPM HP Drive Turns RPM HP Drive Turns RPM HP Drive Turns RPM HP Drive Turns RPM HP Drive Turns
150
40 2778 515 1/2 96 4.0 565 3/4 38 4.5 615 3/4 38 4.0 665 3/4 38 3.0 705 1
38
2.0 750 1
38
1.5 - - - - - - -
45 2469 455 1/3
191
0.0 515 1/2 96 4.0 570 1/2 96 3.0 620 3.5 670 3/4 3.0 715 2.0 755 1
38
1.5 - - - -
50 2222 410
1/4
1.5 475 1/3 95 5.0 535 3.5 590
1/2 96
2.5 640 3.5 685 3/4 2.5 730
3/4
2.0 - - - -
55 2020 375 2.5 445
1/4 191
0.5 505
1/3 95
4.0 565 3.0 615
1/2 96
2.0 665 3.0 715 - - - -
60 1852 345 3.5 420 1.0 485 4.5 545 3.5 600 2.5 650
1/2 96 1.5 700 2.5 - - - -
65 1709 315 4.0 400 2.0 470 5.0 530 1/3 95 4.0 585 640 690 - - - -
70 1587 295 5.0 380 2.5 455 1/4 191 0.0 520 575 1/3 95 3.0 630 2.0 680 1/2 96 1.0 - - - -
175
40 3241 805 1-1/2 193 3.5 840 1-1/2 193 2.5 875 1-1/2 193 2.0 910 1-1/2 193 1.0 940 1-1/2 193 0.0 970 2 80 2.5 1005 2 80 1.5 1035 2 80 1.0
45 2881 715 1 192 4.0 755 1 192 3.5 795 1
192
3.0 830 3.0 865 2.0 900 1-1/2 193 1.0 935 1-1/2 193 0.5 970 2.5
50 2593 645 3/4 5.0 690 3/4 4.5 730 3/4 4.0 770 1
192
3.5 810 1
192
3.0 845 1
192
2.5 885 1.5 920 1-1/2 193 0.5
55 2357 585 1/2 96 2.5 635 1/2 96 1.5 680 4.5 720 3/4 4.0 765 3/4 3.5 805 3.0 845 1
192
2.5 880 1
192
1.5
60 2160 540
1/3 95
3.5 590 2.5 640 1/2 96 1.5 685 4.5 730 4.0 770 3/4 3.5 815
3/4
855 2.0
65 1994 495 4.5 550 1/3 95 3.5 605 2.5 655 1/2 96 1.5 700 1/2 96 0.5 745 790 3.0 830 3/4 2.5
70 1852 460 5.0 520 4.0 575 1/3 95 3.0 630 2.0 680 1.0 725 1/2 96 0.0 770 3.5 815
200
40 3704 420 3/4 16 5.0 465 3/4 16 4.0 505 1 16 3.0 540 1
16
2.0 580 1
16
1.0 615 1-1/2 105 4.0 650 1-1/2 105 3.0 - - - -
45 3292 375 1/2 101 420 1/2 101 3.5 465 3/4 3.5 510 3/4 2.5 550 2.0 590 1
16
1.0 625 4.0 - - - -
50 2963 335 1/3
212
1.0 390 4.5 440 1/2 101 3.0 485 3.5 525 3/4 2.5 570
3/4
1.5 610 1
16
0.5 - - - -
55 2694 305
1/4
2.0 365 1/3 102 5.0 415 3.5 465
1/2 101
2.5 510 555 595 - - - -
60 2469 280 3.0 345
1/4 212
0.5 400
1/3 102
4.0 450 3.0 500
1/2 101
1.5 545 2.0 590
3/4 1.0
- - - -
65 2279 260 4.0 325 1.5 385 4.5 440 490 2.0 540 585 - - - -
70 2116 240 5.0 310 2.0 375 5.0 430 1/3 102 3.5 485 535 1/2 101 0.5 580 - - - -
250
40 4630 605 1-1/2 105 4.5 635 1-1/2 105 3.5 665 1-1/2 105 3.0 690 2 108 4.0 720 2 108 3.0 750 2 108 2.5 775 2 108 2.0 - - - -
45 4115 535 1 205 3.5 570 1
205
3.0 605 4.5 635 1-1/2 105 3.5 665 1-1/2 105 2.5 695 1-1/2 105 2.0 725 3.0 755 2 108 2.5
50 3704 485 3/4 4.5 520 3/4 4.0 555 1
205
3.0 590 1
205
2.5 625 4.0 660 3.0 690 1-1/2 105 2.0 720 1-1/2 105 1.0
55 3367 440 1/2 204 2.0 480 5.0 520 3/4 4.0 555
3/4
3.0 595 1
205
2.5 630 1
205
2.0 665 3.0 695 2.0
60 3086 405 3.0 450 1/2 204 1.5 490 4.5 530 4.0 570
3/4
3.0 605 645 1205
0.5 680
1 205 1.0
65 2849 370 1/3 203 4.0 420 2.5 465 1/2 204 1.0 510 550 3.5 590 3/4 2.5 630 2.0 665
70 2646 345 4.5 395 1/3 203 3.0 445 1.5 490 1/2 204 0.5 535 575 3.0 615 3/4 655
300
40 5556 825 3 111 3.0 850 3 111 2.5 875 3 111 2.0 900 3111 1.0 - - - - - - - - - - - - - - -
45 4938 735 2 108 760 2 108 2.0 790 2 108 1.5 815 3.0 840 3 111 2.5 865 3 111 2.0 890 3 111 1.5 915 3111 1.0
50 4444 660 1-1/2 106 5.0 690 1-1/2 106 4.0 720 1-1/2 106 3.0 750 2 108 2.5 780 2 108 1.5 805 2 108 1.0 830 2 108 0.5 860 2.0
55 4040 600 1
205
2.5 635 5.0 665 4.5 700 1-1/2 106 4.0 730 1-1/2 106 3.0 760
1/2 106
2.5 785 1.5 815 2 108 1.0
60 3704 550
3/4
3.5 590 1
205
2.5 625 1
205
2.0 655 5.0 690 4.0 720 3.5 750 1-1/2 106 2.5 780
1-1/2 106
1.5
65 3419 510 4.0 550 3/4 3.5 585 3/4 2.5 620 1 205 2.0 655 1 205 1.0 690 4.0 720 3.5 750 2.5
70 3175 470 5.0 515 4.0 555 3.5 595 3/4 2.5 630 2.0 660 1 205 1.0 695 1 205 0.5 725 3.0
350
40 6481 960 5 207 2.5 980 5 207 2.0 1005 5 207 1.5 1030 5 207 1.0 1050 5 207 0.5 1070 5 207 0.5 1095 5 207 0.0 - - - -
45 5761 850 3 111 880 3111 1.5 905 3111 1.0 930 3.0 955 2.5 975 2.0 1000 1.5 1025 5 207 1.5
50 5185 765 2 210 4.5 795 3.5 825 3.0 850 3 111 2.5 880 3 111 1.5 905 3111 1.0 930 3111 0.5 955 3111 0.0
55 4714 695 1-1/2 105 2.0 730 2 210 5.0 760 2 210 4.5 790 2 210 3.5 820 2 210 3.0 845 2.5 870 2.0 900 1.0
60 4321 640 3.5 675 1-1/2 105 2.5 710 1-1/2 105 1.5 740 1-1/2 105 0.5 770 4.0 800 2 210 3.5 825 2 210 3.0 855 2 210 2.5
65 3989 590 1 107 4.5 630 1 107 3.5 665 3.0 695 2.0 730 1-1/2 105 1.0 760 1-1/2 105 0.0 790 1-1/2 100 4.0 815 3.0
70 3704 550 5.0 590 4.5 625 1 107 3.5 660 1 107 3.0 695 2.0 725 1.0 755 105 0.0 785 1-1/2 100 4.0
400
40 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
45 6584 885 5 207 4.0 915 5 207 3.5 940 5 207 3.0 965 5 207 2.5 985 5 207 2.0 1010 5 207 1.5 1035 5 207 1.0 1055 5 207 0.5
50 5926 800 3 111 3.5 825 3111 3.0 855 3111 2.0 880 4.0 910 3.5 935 3.0 955 2.5 980 2.0
55 5387 725 2 210 5.0 760 4.5 790 4.0 815 3 111 3.0 845 3111 2.5 870 3111 2.0 895 3111 1.0 920 3111 0.5
60 4938 665
1-1/2 105
2.5 700 2 210 6.0 735 2 210 5.0 765 2 210 4.5 795 3.5 820 3.0 850 2.5 875 2.0
65 4558 615 4.0 650 1-1/2 105 3.0 685 1-1/2 105 2.0 720 5.0 750 2 210 4.5 780 2 210 4.0 805 2 210 3.5 835 2 210 2.5
70 4233 570 4.5 610 4.5 650 3.5 680 1-1/2 105 2.5 715 1-1/2 105 1.5 745 1-1/2 105 0.5 775 4.0 800 3.5
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dans d''autres langues
- English: Modine PDP User manual
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