Rinnai RHFE-265FTA-2A-N Mode d'emploi

Taper
Mode d'emploi
Direct Vent Wall Furnace
Installation and Operation Manual
EX08CT............... (RHFE-202FTA2)
EX11CT ............... (RHFE-265FTA2)
Installer: Leave this manual with the appliance.
Consumer: Retain this manual for future reference.
Do not store or use gasoline or other ammable vapors and liquids in the vicinity of this or any other
appliance.
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electrical switch; do not use any phone in your building.
Immediately call your gas supplier from a neighbors phone. Follow the gas suppliers instrucons.
If you cannot reach your gas supplier, call the re department.
Installaon and service must be performed by a licensed professional.
If the informaon in these instrucons is not followed exactly, a re or explosion
may result causing property damage, personal injury or death.
WARNING
READ ALL OF THE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR OPERATING
THIS HEATER.
This manual provides information on the installation, operation, and maintenance of the heater. For
proper operation and safety, it is important to follow the instructions and adhere to the safety
precautions.
A licensed professional must install the fan convection heater according to the exact instructions
within this manual.
The consumer must read the entire manual to properly operate the heater and to have regular
maintenance performed.
Register your product at www.rinnairegistration.com or call 1-866-RINNAI1 (746-6241)
2 Rinnai Corporation EX08CT, EX11CT Manual
Table of Contents
Important Safety Information
Safety Definitions
This is the safety alert symbol. This symbol alerts you to potential hazards that can kill or hurt you and
others.
Indicates an imminently hazardous situation which, if not avoided, will result in death or
serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result in death or
serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result in minor or
moderate injury. It may also be used to alert against unsafe practices.
DANGER
CAUTION
WARNING
NOTICE: Rinnai sometimes shares customer contact information with businesses that we believe provide
products or services that may be useful to you. By providing this information, you agree that we can
share your contact information for this purpose. If you prefer not to have your information shared with
these businesses, please contact customer service and ask not to have your information shared. We will
however, continue to contact you with information relevant to the product(s) you registered and/or your
account with us.
If you have any questions or feel that the manual is incomplete contact Rinnai at 1-800-621-9419.
Table of Contents ............................................. 2
Safety Definitions ............................................. 2
Safety Behaviors and Practices for the Consumer
and Installer ...................................................... 3
Installation Instructions
(for the licensed professional)
State Regulations ............................................. 4
Included Installation and Vent Components .... 5
Installation Instructions..................................... 6
Prepare for Installation ..................................... 7
Determine Installation Location ........................ 7
Flue Terminal Clearances ................................ 8
Clearances to Combustibles ............................ 9
Checklist to Determine Installation Location .... 9
Drilling Flue Hole ............................................ 10
Flue Manifold Installation ............................... 10
Extension Kit Installation ................................ 12
Connecting the Appliance .............................. 15
Gas Connection ............................................. 16
Adjust Gas Pressure Settings ........................ 16
Dimensions .................................................... 20
Specifications ................................................. 21
Direct Vent Furnace Operation Instructions
Safe Operation .............................................. 23
Getting to Know Your Appliance .................... 24
Control Panel ................................................. 25
ON / OFF ........................................................ 25
Child Lock ...................................................... 25
Remote Thermostat Mode
(Optional Accessory) ...................................... 26
Setting the Clock ............................................ 27
Setting and Operating the Timers .................. 27
Override Function .......................................... 27
Economy (Energy Saving Mode) ................... 28
Set Back ......................................................... 28
Humidifier and Air Flow Direction .................. 29
Required Care and Maintenance
Care and Maintenance .................................. 30
Before Making a Service Call ........................ 31
Diagnostic Codes and Remedies .................. 32
Restart Function............................................. 33
Troubleshooting ............................................. 33
Cut-Away Diagram ......................................... 34
Wiring Diagram .............................................. 35
Ladder Diagram ............................................. 36
Parts List ........................................................ 37
Warranty
Warranty ........................................................ 46
French Version............................................... 49
Rinnai Corporation EX08CT, EX11CT Manual 3
WARNING
CAUTION
Safety Behaviors and Practices for the Consumer and Installer
Do not block the warm air discharge. Do not allow
anyone to sleep directly in front of the appliance.
Due to high temperatures, the appliance should be
located out of traffic and away from furniture and
draperies.
Children and adults should be alerted to the
hazards of high surface temperature and should
stay away to avoid burns or clothing ignition.
Young children should be carefully supervised when
they are in the same room as the appliance.
Clothing or other flammable material should not be
placed on or near the appliance.
Any safety screen or guard removed for servicing
must be replaced prior to operating the appliance.
Do not insert items into the louvers.
Do not spray aerosols near the appliance while it is
operating. Most aerosols contain butane gas which
is flammable.
Do not unplug the appliance while it is operating or
while the fans are on.
Do not use bare hands to touch the front louvers
due to high temperatures which may cause burns.
Wear hand protection when touching the side back
covers, front louver, and rear intake for the
convection fan.
Prevent dust from accumulating on the power cord,
side covers, and parts behind the appliance.
Do not sit on the heater.
Do not place containers of liquid on top of the
heater. Water spillage can cause extensive
damage to the appliance and may result in electric
shock.
Repairs should be performed by a qualified service
technician.
Keep the area around the appliance clear and free
from combustible materials, gasoline, and other
flammable vapors and liquids.
Never store liquid propane containers indoors.
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 of the control system and any gas control
which has been under water.
This appliance is equipped with a three-prong plug
for your protection against shock hazard and should
be plugged directly into a properly grounded three-
prong receptacle. Do not cut or remove the ground
prong from this plug.
Any alteration to the appliance or its controls can be
dangerous.
Do not operate appliance with the panels removed,
cracked or broken. Replacement of the panels
should be done by a licensed or qualified service
person.
WARNING
California law requires this notice to be provided:
California Proposition 65:
This product can expose you to chemicals including Di (2-ethylhexyl) phthalate (DEHP) and carbon bisulfide
which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more
information, visit www.P65Warnings.ca.gov.
4 Rinnai Corporation EX08CT, EX11CT Manual
Installation Instructions (for the licensed professional)
State Regulations
NOTICE BEFORE INSTALLATION: Rinnai direct-vent appliance must be installed by a state qualified or licensed contractor and
a properly trained Rinnai Installer. If you are not properly trained, you must not install this unit.
IMPORTANT: In the State of Massachusetts (248 CMR 4.00 & 5.00)
For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in
part for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent
termination is less than seven (7) feet above finished grade in the area of the venting, including but not limited to decks and
porches, the following requirements shall be satisfied:
1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time of installation of the side wall horizontal vented gas
fueled equipment, the installing plumber or gasfitter shall observe that a hard wired carbon monoxide detector with an alarm
and battery back-up is installed on the floor level where the gas equipment is to be installed. In addition, the installing
plumber or gasfitter shall observe that a battery operated or hard wired carbon monoxide detector with an alarm is installed
on each additional level of the dwelling, building or structure served by the side wall horizontal vented gas fueled equipment.
It shall be the responsibility of the property owner to secure the services of qualified licensed professionals for the
installation of hard wired carbon monoxide detectors
a. In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an attic, the hard
wired carbon monoxide detector with alarm and battery back-up may be installed on the next adjacent floor level.
b. In the event that the requirements of this subdivision can not be met at the time of completion of installation, the owner
shall have a period of thirty (30) days to comply with the above requirements; provided, however, that during said thirty
(30) day period, a battery operated carbon monoxide detector with an alarm shall be installed.
2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in accordance with the
above provisions shall comply with NFPA 720 and be ANSI/UL 2034 listed and IAS certified.
3. SIGNAGE. A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum
height of eight (8) feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled
heating appliance or equipment. The sign shall read, in print size no less than one-half (1/2) inch in size, "GAS VENT
DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS".
4. INSPECTION. The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve
the installation unless, upon inspection, the inspector observes carbon monoxide detectors and signage installed in
accordance with the provisions of 248 CMR 5.08(2)(a)1 through 4.
When an existing Category I heater is removed or replaced, the original venting system may no longer be sized to properly vent
the attached appliances. Instructions shall also indicate effects of an improperly sized venting system (formation of condensate,
leakage, spillage, etc.) and shall specify the following test procedure.
WARNING: CARBON MONOXIDE POISONING HAZARD
Failure to follow the steps outlined below for each appliance connected to the venting system being placed into operation could
result in carbon monoxide poisoning or death.
The following steps shall be followed for each appliance connected to the venting system being placed into operation, while all
other appliances connected to the venting system are not in operation:
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/
NFPA 54 or the Natural Gas and Propane Installation Code, CSA B149.1 and these instructions. Determine that there is no
blockage or restriction, leakage, corrosion and other deficiencies which could cause an unsafe condition.
3. As 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.
4. Close fireplace dampers.
5. Turn on clothes dryers and any appliance not connected to the venting system. Turn on any exhaust fans, such as range
hoods and bathroom exhausts, so they are operating at maximum speed. Do not operate a summer exhaust fan.
6. Follow the lighting instructions. Place the appliance being inspected into operation. Adjust the thermostat so appliance is
operating continuously.
7. Test for spillage from draft hood equipped appliances at the draft hood relief opening after 5 minutes of main burner
operation. Use the flame of a match or candle.
8. If improper venting is observed during any of the above tests, the venting system must be corrected in accordance with the
National Fuel Gas Code, ANSI Z223.1/NFPA 54 and/or Natural Gas and Propane Installation Code, CSA B149.1.
9. After it has been determined that each appliance connected to the venting system properly vents when tested as outlined
above, return doors, windows, exhaust fans, fireplace dampers and any other gas-fired burning appliance to their previous
conditions of use.
WARNING
Rinnai Corporation EX08CT, EX11CT Manual 5
Included Installation and Venting Components
The following items are included with the appliance:
The following flue manifold sizes are
available for different wall thicknesses:
Name Kit No. fits walls
S Vent Kit FOT-150 3 - 4 1/2 in (75 - 115 mm)
A Vent Kit FOT-151 4 1/2 - 9 1/2 in (115 - 240 mm)
B Vent Kit FOT-152 9 1/2 - 15 3/4 in (240 - 400mm)
C Vent Kit FOT-153 15 3/4 - 23 5/8 in (400 - 600 mm)
D Vent Kit FOT-154 23 5/8 - 31 1/2 in (600 - 800 mm)
Flue Manifolds
Flue Manifold S laesrebburerap1 1
(‘A’ Flue units only)
(For weatherboard installations)
1
Manual Valve
Set
Owner’s Manual
“A” Vent Kit, FOT-151
Back Spacer
Set
Pipe Stopper A
Ring
Plastic tie
for air inlet
Clamp *
Screw
(M4.8 32)
Wood Screw
1
1
1
3
2
3
5
1
4
4
(M4)
Screw
(M4)
Screw
(M4)
Wall Bracket
Spacer Bracket 1
1
For Back Spacer Set
For Flue Manifold
For Air Intake Clip / Spacer Bracket
Wall Bracket Screws
AVent Kit, FOT-151
* These clamps
should be located
here
(Vent Kit Ais included
with the appliance.)
6 Rinnai Corporation EX08CT, EX11CT Manual
This appliance may be installed in an aftermarket,
permanently located, manufactured home (USA only)
or mobile home, where not prohibited by local codes.
This appliance is only for use with the type of gas
indicated on the rating plate. This appliance is not
convertible for use with other gases, unless a certified
kit is used.
Installation Instructions
This appliance may be installed as an OEM
installation in a manufactured home (USA only) or
mobile home and must be installed in accordance with
the manufacturers instructions and the Manufactured
Home construction and Safety Standard, Title 24
CFR, Part 3280, in the United States, or the Mobile
Home Standard, CAN/CSA Z240 MH Series, in
Canada.
If installation is at a location above
2001 ft (610 m), then follow the Adjust
Gas Pressure Settings procedure.
Appliance input ratings are based on
sea level operation and need not be
changed for operation up to 2000 ft
(610 m) elevation.
NOTICE
A licensed professional must install the appliance,
inspect it, and leak test it before use. The warranty
will be voided due to any improper installation.
The installer should have skills such as:
Gas sizing.
Connecting gas lines, valves, and electricity.
Knowledge of applicable national, state, and local
codes.
Installing venting through a wall.
Training in installation of direct vent furnaces.
(Training can be accessed on-line at
www.trainingevents.rinnai.us)
Installer Qualifications
General Instructions
Type of installaon
For installation in residential and commercial
applications.
Certified for installation in manufactured (mobile)
homes.
MUST DO
If you move, check the gas type in your new area.
The local gas authority will be able to advise on
local regulations.
The installation must conform with local codes or, in
the absence of local codes, with the National Fuel
Gas Code, ANSI Z223.1/NFPA 54, or the Natural
Gas and Propane Installation Code, CSA B149.1.
A manufactured home (USA only) or mobile home
OEM installation must conform with the
Manufactured Home Construction and Safety
Standard, Title 24 CFR, Part 3280, or, when such a
standard is not applicable, the standard for
Manufactured Home Installations, ANSI Z225.1, or
the standard for Gas Equipped Recreational
Vehicles and Mobile Housing, CSA Z240.4.
The appliance, when installed, must be electrically
grounded in accordance with local codes or, in the
absence of local codes, with the National Electrical
Code, ANSI/NFPA 70, or the Canadian Electrical
Code, CSA C22.1.
The appliance and its appliance main gas valve
must be disconnected from the gas supply piping
system during any pressure testing of that system
at test pressures in excess of 1/2 psi (3.5 kPa).
The appliance must be isolated from the gas supply
piping system by closing its equipment shutoff valve
during any pressure testing of the gas supply piping
system at test pressures equal to or less than 1/2
psi (3.5 kPa).
If the flooring is carpet or other combustible materi-
al other than wood, then the appliance must be in-
stalled on a metal or wood panel extending the full
width and depth of the appliance.
This appliance is only for use with the type of gas
indicated on the rating plate. This appliance is not
convertible for use with other gases unless a certi-
fied kit is used. If conversion of the unit is needed,
conversions must be performed by a qualified ser-
vice provider at the owners expense.
The appliance should be correctly sized for the
space it is required to heat. It is recommended that
an Industry standard BTU Heat Loss Calculation be
conducted to determine the proper sizing.
Follow the installations instructions and those in
Care and Maintenance for adequate combustion
and ventilation air.
This appliance discharges a large volume of warm
air next to the floor. Any particles in the air such as
cigarette smoke could cause discoloration in nylon
carpets containing dyes or vinyl surfaces.
Rinnai suggests that a dedicated electrical circuit
with a 120VAC, 60 Hz, 10 amp power source be
used.
A test plug is provided for testing of manifold
differential pressure. It is located on the modulating
gas valve.
Rinnai Corporation EX08CT, EX11CT Manual 7
WARNING
Do not use substitute materials.
Use only parts certified with the appliance.
DO NOT
This appliance is not designed to built in.
This appliance must not be connected to a chimney
flue serving a separate solid-fuel burning appliance.
The flow of combustion and ventilation air shall not
be obstructed.
Prepare for Installation
Tools needed
Materials needed
Pipe wrenches (2)
Adjustable pliers
Screwdrivers (2)
Wire cutters
Gloves
Safety glasses
Level
Tools that might be needed
Hammer drill with
concrete bits
Saw
Threading machine with
heads and oiler
Core drill with diamond
head
Torch set
Copper tubing cutter
Steel pipe cutter
Materials that may be needed
Soap or gas leak
detector solution
Approved venting
Teflon tape
(recommended) or pipe
compound
Heat tape
Pipe insulation
Concrete wall anchors
Optional pipe cover
Optional temperature
controller
2 conductor 22 AWG
wire for controller
Single gang electrical
box
Wire nuts
Determine Installation Location
You must ensure that clearances will be met and that
the vent length will be within required limits. Consider
the installation environment. Requirements for the
gas line and electrical connection can be found in their
respective installation sections of this manual.
Environment
Air surrounding the venting, and vent termination(s) is
used for combustion and must be free of any
compounds that cause corrosion of internal
components. These include corrosive compounds
that are found in aerosol sprays, detergents, bleaches,
cleaning solvents, oil based paints/ varnishes, and
refrigerants.
The furnace, venting, and vent termination(s) should
not be installed in any areas where the air may
contain these corrosive compounds. If it is necessary
for a furnace to be located in areas that may contain
corrosive compounds, the following
instructions are strongly recommended.
IMPORTANT CONSIDERATIONS FOR:
DO NOT Install in areas where air for combustion
might be contaminated with chemicals.
Before installation, consider where air has the
ability to travel within the building to the furnace.
Terminate the unit as far away as possible from
any air inlet vents. Corrosive fumes may be
released through these vents when air is not
being brought in through them.
Chemicals that are corrosive in nature should not
be stored or used near the furnace or vent
termination.
Damage and repair due to corrosive compounds in the
air is not covered by warranty.
8 Rinnai Corporation EX08CT, EX11CT Manual
Flue Terminal Clearances
INSIDE
CORNER DE
TAIL
FIXED
CLOSED
OPERABLE
FIXED
CLOSED
OPERABLE
B
B
B
A
J
B
M
C
F
B
B
E
D
L
G
A
H
K
I
[1] A vent shall not terminate directly above a sidewalk or paved
driveway that is located between two single family dwellings and
serves both dwellings.
[2] Permitted only if veranda, porch, deck, or balcony is fully open on
a minimum of two sides beneath the floor.
For clearances not specified in ANSI Z223.1/NFPA 54, clearances
are in accordance with local installation codes and the requirements
of the gas supplier.
Clearance to opposite wall is 24 inches (60 cm).
X
V
AIR SUPPLY INLET
VENT TERMINAL
AREA WHERE
TERMINAL IS NOT
PERMITTTED
Ref
Description
Canadian Installations US Installations
A Clearance above grade, veranda, porch, deck, or balcony 12 inches (30 cm) 12 inches (30 cm)
B Clearance to window or door that may be opened
EX08CT - 6 inches (15 cm)
EX11CT - 9 inches (23 cm)
EX08CT - 6 inches (15 cm)
EX11CT - 9 inches (23 cm)
C Clearance to permanently closed window * *
D
Vertical clearance to ventilated soffit, located above the terminal within a
horizontal distance of 2 feet (61 cm) from the center line of the terminal
* *
E Clearance to unventilated soffit * *
F Clearance to outside corner * *
G Clearance to inside corner * *
H
Clearance to each side of center line extended above meter/regulator
assembly
3 feet (91 cm) within a height 15
feet (4.5 m) above the meter/
regulator assembly
*
I Clearance to service regulator vent outlet 36 inches (91 cm) *
J
Clearance to non-mechanical air supply inlet to building or the combustion
air inlet to any other appliance
EX08CT - 6 inches (15 cm)
EX11CT - 9 inches (23 cm)
EX08CT - 6 inches (15 cm)
EX11CT - 9 inches (23 cm)
K Clearance to a mechanical air supply inlet 6 feet (1.83 m)
3 feet (91 cm) above if within 10
feet (3 m) horizontally
L
Clearance above paved sidewalk or paved driveway located on public
property
7 feet (2.13 m) *
M Clearance under veranda, porch, deck, or balcony 12 inches (30 cm) *
SNOW
TERMINATION
Clearance in
Ref. A also
applies to
anticipated
snow line
Clearance in
Ref. A also
applies to
anticipated
snow line
Rinnai Corporation EX08CT, EX11CT Manual 9
clearance for
maintenance
2 in
(50 mm)
2 in
(50 mm)
40 in
(1 m)
0” (0 mm)
0” (0 mm)
When determining where to install the appliance the
clearances to combustibles shown in the figure must
be followed. Also refer to the Safety Behaviors and
Practices section.
Rinnai recommends 10” (254 mm) clearance from the
top and on both sides for servicing.
The 40 inch (1 meter) clearance from the
front of the appliance does not include
flooring material or carpeting that is less
than 1.2 inches (30 mm) in height.
NOTICE
Clearances to Combustibles
Checklist to Determine Installation
Location
The furnace is not exposed to corrosive
compounds in the air.
The furnace location complies with the clearances.
The planned venting will not exceed the maximum
length for the number of elbows used.
The planned venting termination/air intake location
meets the clearances.
Indoor air is not being used for combustion.
A standard 3 prong 120 VAC, 60 Hz properly
grounded wall outlet.
The installation must conform with local codes or,
in the absence of local codes, with the National
Fuel Gas Code, ANSI Z223.1/NFPA 54, or the
Natural Gas and Propane Installation Code, CSA
B149.1. If installed in a manufactured home, the
installation must conform with the Manufactured
Home Construction and Safety Standard, Title 24
CFR, Part 3280 and/or CAN/SCA Z240 MH
Series, Mobile Homes.
Leave the entire manual with the consumer.
Additional Clearances
Clearances to access the appliance during servicing
are 10 inches (254 mm) from the sides, 40 inches
(1 m) from the front, and the area shown above the
appliance in the picture.
10 Rinnai Corporation EX08CT, EX11CT Manual
Ensure that there are no gas or water lines, or
electrical circuits in the wall location where the flue hole
is to be drilled. Drill the flue hole using a 3 1/8 inch (80
mm) drill. The center of the hole must be located
exactly at the specified point.
See diagram. For weatherboard walls, drill through the
center of the weatherboard from the outside first and
then through the plasterboard. A template is provided.
For installation without using extension kits, the
configuration of the flue manifold, air intake hose, and
exhaust slide pipe should be as shown when
installation is completed. The 60 degree arc shows
where the flue manifold can be located.
1. Disassemble the flue manifold
The flue consists of 3 parts:
sleeve
inside connection
outside terminal
Disassemble the flue manifold by first pulling out the
inside connection. To remove the outer terminal pull
and release the two internal ties and then pull out the
outer terminal.
Clearance to combustibles for the sleeve and flanges
is zero inches.
2. Adjust the sleeve length
Measure wall thickness through previously drilled 3
1/8 inch (80 mm) hole.
The end of the sleeve should protrude 3/16 - 3/8 inch
(5-10 mm) from the outside wall.
The sleeve is threaded for adjustment. Adjust the
sleeve length to wall thickness plus 3/16 - 3/8 inch
(5-10 mm).
NOTE: Do not extend beyond the red line.
For other than the Stype flue manifold, if a shorter
length is necessary an extension can be removed.
Cut the outer plastic laminate (with a utility knife or
similar) and remove the extension. The metal should
not be cut.
The flue manifold must exhaust to the outside. Do
not exhaust into other rooms.
The flue manifold is not designed to be positioned
under floors or below the heater.
The termination cannot be vertical.
This appliance can only be used with one of the
five types of Rinnai flue kits. The flue kits and their
dimensions are listed in the Specifications section.
Refer to the Flue Terminal Clearances section.
Inside Connection
Sleeve
Terminal
Remove extension
if necessary
Flue Hole
3 1/8"
(80 mm)
8 7/16"
(214 mm)
R11"
(R27
9
mm
)
R8.0"
(R206 mm
)
8 9/16"
(217 mm)
11"
(280 mm)
Cavity Opening
Use a template (included) to
determine allowable location of the
flue hole.
NOTICE
Drilling Flue Hole
Flue Manifold Installation
Rinnai Corporation EX08CT, EX11CT Manual 11
5. Lock the ties
Pulling hard on the left and right hand ties,
clip the ties over the notches inside the
sleeve. You should be able to pull the ties 2
or 3 notches past the starting point. Cut the
ties, leaving about 3/4 inch (20 mm) past the
notch. Bend the ties back into the sleeve and
parallel to the wall.
6. Insert Inside Connection Assembly
Push the assembly into the terminal tube,
ensuring that the seal is in place on the
inner tube.
Attach the inside connection with 3
screws. The inner connection can still
be turned to install the screws.
4. Install the Terminal
Check that the terminal seal is in place. For
weatherboard walls, add the second seal next
to the terminal seal to compensate for
weather board angle.
From the outside insert the terminal into the
sleeve with the marking TOPat the top.
The left hand side locking tie should be
marked LEFT”.
Terminal seal
Locking tie
Terminal
Locking ties
Sleeve
3 screws
sleeve should
extend 3/16 -
3/8 in (5-10
mm)
3. Attach the sleeve
Attach to the inside wall using 3
screws arranging the flange so that the
marking TOPis at the top.
The flange is offset 2° to allow the
condensate drain to the outside.
3 screws
Flue Manifold Installation
12 Rinnai Corporation EX08CT, EX11CT Manual
INCORRECT
Too many bends (limit is 2)
Air intake hose is above
exhaust pipe
Extension through the top
AIR
INTAKE
HOSE
EXHAUST
PIPE
PIPE
CLAMP
PIPE
STOPPER A
CLAMP
Extension to the right (facing appliance)
CLAMP
PIPE
STOPPER A
PIPE
CLAMP
LONG
BENT
ELBOW
EXHAUST
ELBOW
AIR
INTAKE
HOSE
EXHAUST
PIPE
Extension to the left (facing appliance)
CLAMP
PIPE
STOPPER A
PIPE
CLAMP
LONG BENT ELBOW
EXHAUST
ELBOW
AIR
INTAKE
HOSE
EXHAUST
PIPE
If necessary, extension kits are available to extend the
exhaust line and air intake hose between the manifold
and the appliance.
(1) The maximum vent length is 13 feet (4 m) with 2
bends. The bent pipe attached to the appliance
does not count toward the max limit of 2 bends.
(2) For altitudes at or below 2000 feet (610 m), the
maximum vertical length is 8 feet (2.4 m). For
altitudes above 2000 feet (610 m), the maximum
vertical length is 5 feet (1.5 m).
(3) If the extension is longer than that shown in the
table below, the condensate may overflow the
condensation pan. Therefore, extensions
exceeding this length should drain to the outside
and sloped 3° downward.
(4) Do not allow any low points or sagging in the
exhaust line. Otherwise, condensate may block
the exhaust and affect combustion.
(5) Vent extensions installed in unconditioned air
space must be insulated with high temperature
insulation and must be accessible.
(6) Vent extensions must not be concealed per NFPA
54 and must be accessible allowing inspection and
repair. Decorative covers are available from
Rinnai.
These figures show the 3 possible ways that the
extension exhaust line and air intake hose may be
directed away from the appliance. All 3 views are from
behind the appliance. For your configuration,
position the air intake hose as shown.
8 feet (2.4 m) at or below 2000 feet (610 m)
5 feet (1.5 m) above 2000 feet (610 m)
Extension Kit Installation (EX11CT only)
Rinnai Corporation EX08CT, EX11CT Manual 13
Clearances
exhaust pipe to combustibles 1 inch (25.4 mm)
exhaust pipe to non-combustibles zero
Both the exhaust line and air intake hose are
supported by clamps which are attached to the wall.
A wall fixture can be used to offset the clamp from the
wall. Use Screw B to attach the wall fixture to the
wall. If the wall fixture is not used then use Screw A
and the nut to attach the clamp to the wall.
The air intake hose should always be underneath the
exhaust line so that in case the air line sags it will not
come into contact with the exhaust line.
Clamps
Exhaust pipe
Exhaust pipe
Air intake hose
Air intake hose
The exhaust line is connected between the bent pipe
at the rear of the heater and the exhaust port on the
flue manifold.
Installing the Exhaust Line
To connect exhaust pipes with other straight pipes or
bends, fit the male end into the female end. Use pipe
stopper A to clamp the connection.
Use pipe stopper B to fix the length on the adjustable
exhaust pipes. Do not extend these pipes beyond the
red line.
Do not cut the exhaust pipe. Use the adjustable
pipes if necessary.
To bend the elbow, insert exhaust pipes into both
ends for additional leverage. Bend to desired angle.
Do not straighten the bent pipe attached to the
appliance.
Pipe stopper A
Pipe stopper B
Male end
Female end
Adjust the angle
Connecting the Air Intake Hose
The air intake hose is connected between the air
connection at the rear of the heater and the air intake
port on the flue manifold.
Push the air intake hose onto the flue manifold and
secure with the plastic cable tie.
Join air intake hoses by screwing the hose joint half of
its length into the air intake hose and then screwing
another air intake hose into the hose joint.
The lengths of the air intake hose and the exhaust
pipe must be the same in order for the appliance to
operate properly. The hose can be cut to the required
length. Deburr all rough edges. Do not cut the hose
attached to the appliance.
Support the air intake hose with pipe clamps.
Hose joint
Air intake hoses
CAUTION
Use the pipe stoppers, connectors, clamps, and screws according to these instructions in
order to ensure no leakage of exhaust gases.
Do not cut the intake hose. Cutting
the intake hose may result in noise.
NOTICE
Extension Kit Installation (EX11CT only)
14 Rinnai Corporation EX08CT, EX11CT Manual
Item Description FOT-201 FOT-155 FOT-156 FOT-157 FOT-158 FOT-190
1 Exhaust Pipe (adjustable)
11.4-20.3 in (290-515 mm)
1
1 Exhaust Pipe (adjustable)
21.0-39.6 in (533-1005 mm)
1 1
2 Exhaust Pipe - 40 in (1016 mm) 1
3 Air Intake Hose - 29.5 in (750 mm);
1.5 in (38 mm) inner dia.
1 1
3 Air Intake Hose - 29.5 in (750 mm);
2.0 in (50 mm) inner dia.
1
3 Air Intake Hose - 49.2 in (1.25 m) 1
3 Air Intake Hose - 90.6 in (2.3 m) 1
4 Bent Elbow 1
5 Long Bent Elbow 1 1
6 Hose Joint - 1.5 in (38 mm) inner dia. 1 1 1 1
6 Hose Joint - 2.0 in (50 mm) inner dia. 1
7 Pipe Stopper A 1 1 1 2 1 1
8 Pipe Stopper B 1 1 1
9 Pipe Clamp 2 sets 3 sets 4 sets
10 Wall Fixture 2 3 4
11 Nut 2 3 4
12 Screw A 2 3 4
13 Screw B 4 6 8
Extension Kits and Parts
EXHAUST PIPE (ADJUSTABLE)
EXHAUST PIPE (NON ADJUSTABLE)
AIR INTAKE HOSE
BENT ELBOW
LONG BENT ELBOW
HOSE JOINT
PIPE STOPPER B
PIPE CLAMP WALL-FIXTURE
NUT
SCREW A
PIPE STOPPER A
SCREW B
TOP STOPPER
Extension Kit Installation (EX11CT only)
Rinnai Corporation EX08CT, EX11CT Manual 15
Pipe stopper
Elbow
Manifold
Hook
Pipe stopper
Connecting the Appliance
1. Attach the air inlet hose to the flue manifold on
either inlet position aor b”.
The plastic tie should be tight over the sleeve.
The unused inlet is plugged with the rubber cap
supplied on the manifold.
2. Connect the flue elbow to the manifold while
moving the appliance into position.
3. Fit the pipe stopper over the connection between
the flue elbow and the manifold. Engage the
hook and rotate it until it snaps against the body
of the clamp.
4. Slide the insulation sleeve up to the flue manifold
and slip the securing clip over the sleeve as
shown.
5. Install the bracket on the rear of the top spacer by
tightening 2 screws.
6. Install the wall bracket with two screws. Install
the top spacer by clipping the spacer into the wall
brackets and attaching it to the heater with 2
screws.
a
b
Wall
Bracket
Top Spacer
2 screws
Spacer
Bracket
Wall
Bracket
Top Spacer
Spacer
Bracket
16 Rinnai Corporation EX08CT, EX11CT Manual
Verify proper clearances around the vents and air
intakes.
Ensure you have used the correct venting
products for the model installed and that you have
completely followed the venting manufacturers
installation instructions and these installation
instructions.
Verify that the vent system does not exceed the
maximum length for the number of elbows used.
Checklist for Venting
Gas Connection
When connecting the gas valve or other gas
components in the gas line, use a backup wrench to
ensure the connection is gas tight.
WARNING
The gas supply line shall be gas tight, sized and so
installed as to provide a supply of a gas sufficient to
meet the maximum demand of the furnace without
loss of pressure.
A shut off valve and appliance connector valve
should be installed in the upstream of the gas line
to permit servicing.
Flexible pipe and any appliance connector valve
used for gas piping shall be types approved by
nationally recognized agencies.
Any compound used on the threaded joint of the
gas piping shall be a type which resists the action
of liquefied petroleum gas (propane).
After completion of gas pipe connections all joints
including the furnace must be checked for gas
tightness by means of leak detector solution, soap
and water, or an equivalent nonflammable solution,
as applicable. (Since some leak test solutions,
including soap and water, may cause corrosion or
stress cracking, the piping shall be rinsed with
water after testing, unless it has been determined
that the leak test solution is non-corrosive.)
Check the gas supply pressure immediately
upstream at a location provided by the gas
company. Supplied gas pressure must be within
the limits shown in the Specifications section.
Refer to an approved pipe sizing chart if in doubt
about the size of the gas line.
Adjust Gas Pressure Settings
Complete these instructions for altitude and vent
length. (Default altitude: 0ft - 2,000ft. Default vent length:
0 - 7ft+1 elbow )
For high altitude installations in Canada, the conversion
shall be carried out by a manufacturers authorized
representative, in accordance with the requirements of
the manufacturer, provincial or territorial authorities
having jurisdiction and in accordance with the
requirements of CAN/CGA-B149.1 or CAN/CGA-B149
installation codes.
CAUTION
Do not touch any other areas on the PC board
besides the SWswitches while power is supplied to
the appliance. Parts of the PC board are supplied
with 120 volts AC.
CAUTION
Do not insert hands or objects into the circulation fans
while they are running. Injury or mechanical
malfunction may occur.
CAUTION
Do not touch the areas at or near the exhaust. This
area becomes very hot and could cause burns.
The regulator has been factory pre-set. If the
pressure is incorrect, check the supply pressure first,
before making any adjustments to the appliance.
Also, if the low control pressure cannot be obtained,
adjust the adjustment screw on the proportional valve
to roughly set pressure and then recheck both the low
and high fire pressures.
NOTICE
Rinnai Corporation EX08CT, EX11CT Manual 17
1. Turn off the gas and the power supply.
2. Remove the 5 screws that hold the louver assembly
and front panel. Lift the panel straight up and then
remove it.
3. Remove two pressure point screws (1/8 NPT tap) with
3/16 Allen wrench and attach the manometer to both
pressure points. Both pressure points must be used
in order to measure the differential pressure. Ensure
that the manometer is properly calibrated.
4. Turn on the gas and power supply to the appliance.
(Press the Set backbutton after turning on the
power supply.) With the unit in the off position, press
the test switch at the top of PC board until it beeps.
5. Select the correct code for gas type and altitude using
and buttons. Refer to the table below.
6. Press the test switch twice to record the gas type
code into memory. .
7. Press the ON/OFF button to operate the appliance.
8. Press the test switch twice. The LED will display
PL”.
9. Compare the pressure reading on the manometer to
the desired manifold test pressure (low) for your gas
type and altitude. If necessary adjust the low fire
pressure using the and buttons.
10. Press the test switch. The LED will display PH
indicating high fire mode.
Natural Gas Propane Gas
Code A1 / A5 * A2 / A6 * A3 / A7 * A4 /A8 * L1 / L5 L2 / L6 L3 / L7 L4 / L8
Altitude
0-2000 ft
0-610 m
2001-5200 ft
611-1585 m
5201-7700 ft
1586-2347 m
7701-10200 ft
2348-3109 m
0-2000 ft
0-610 m
2001-5200 ft
611-1585 m
5201-7700 ft
1586-2347 m
7701-10200 ft
2348-3109 m
EX08CT
Manifold test
pressure -
W.C. Low
0.58 in
(15 mm)
0.62 in
(16 mm)
0.70 in
(18 mm)
0.78 in
(20 mm)
0.86 in
(22 mm)
0.92 in
(24 mm)
1.04 in
(27 mm)
1.16 in
(29 mm)
Manifold test
pressure -
W.C. High
3.4 in
(86 mm)
3.6 in
(92 mm)
4.1 in
(103 mm)
3.2 in
(82 mm)
5.8 in
(147 mm)
6.2 in
(158 mm)
7.0 in
(177 mm)
5.5 in
(140 mm)
EX11CT
Manifold test
pressure -
W.C. Low
0.60 in
(15 mm)
0.64 in
(16 mm)
0.72 in
(19 mm)
0.80 in
(20 mm)
1.06 in
(27 mm)
1.16 in
(29 mm)
1.28 in
(33 mm)
1.41 in
(36 mm)
Manifold test
pressure -
W.C. High
2.2 in
(56 mm)
1.9 in
(49 mm)
1.7 in
(44 mm)
1.6 in
(40 mm)
3.8 in
(95 mm)
3.3 in
(84 mm)
3.0 in
(75 mm)
2.7 in
(69 mm)
Pressure
Point
Pressure
Point
Nozzle Manifold
Test Switch
PC Board
* For the EX11CT with natural gas: Use A1, A2, A3, or A4 for venting up to 7 feet (2.1 m) with one elbow.
Use A5, A6, A7, or A8 for venting exceeding 7 feet (2.1 m) with one elbow.
Adjust Gas Pressure Settings
18 Rinnai Corporation EX08CT, EX11CT Manual
11. Compare the pressure reading on the manometer
to the desired manifold test pressure (high) for
your gas type and altitude. If necessary adjust
the high fire pressure using the and buttons.
12. Press the ON/OFF button again. The LED display
turns blank and the appliance returns to the
normal OFF mode.
13. Remove manometer and install Allen head
screws. Operate the unit and
1. Install the front panel and bottom cover.
2. If doing a gas type conversion, place the new
conversion plate (label) on the front cover.
Check that the burner flames are operating normally.
The flame can be seen through the circular window
through the louvers.
When operating normally the burner flame should
appear as long, clear, blue, stable, streaks. Yellow
flames or an orange color is abnormal and
maintenance is required.
Visual Inspection of Flame
NORMAL
Flame Rod
Long, clear, blue,
stable flames
ABNORMAL
Yellow flames or
orange color
Flame Rod
Final Assembly
check the normal operating sequence
visually inspect the flame
check for gas leaks at the test points
Normal Operating Sequence
When you press the ON/OFF button, the LED display
will illuminate, the combustion fan will begin to run,
and the spark will ignite the main burner.
This heater has an automatic ignition system. When
the main burner has lit, the combustion lamp will glow
red, and the spark will stop.
Adjust Gas Pressure Settings
Checklist for Gas and Electricity
A manual gas control valve is placed in the gas
line to the heater.
Check the gas lines and connections for leaks.
Confirm that the gas inlet pressure is within limits.
Confirm that the heater is rated for the gas type
supplied.
Confirm that the electricity is supplied from 120
VAC, 60 Hz power source and is in a properly
grounded circuit.
Confirm that an extension cord or an adapter plug
has NOT been used with the heater.
Rinnai Corporation EX08CT, EX11CT Manual 19
Final Checklist
The heater is not subject to corrosive compounds
in the air.
Clearances from the heater unit are met.
Clearances from the vent termination are met.
Ensure you have used the correct venting
products for the model installed and that you have
completely followed the venting manufacturers
installation instructions and these installation
instructions.
Verify that the vent system does not exceed the
maximum length for the number of elbows used.
A manual gas control valve has been placed in the
gas line to the heater.
Check the gas lines and connections for leaks.
Confirm that the gas inlet pressure is within limits.
Confirm that the heater is rated for the gas type
supplied.
Confirm that the electricity is supplied from a 120
VAC, 60 Hz power source, is in a properly
grounded circuit, and turned on.
Verify the system is functioning correctly by
connecting your manometer to the gas pressure
test port on the water heater. Operate all gas
appliances in the home or facility at high fire. The
inlet gas pressure at the heater must not drop
below that listed on the rating plate.
Install the front panel.
Explain to the customer the importance of not
blocking the vent termination.
Explain to the customer the operation of the
heater, safety guidelines, maintenance, and
warranty.
The installation must conform with local codes or,
in the absence of local codes, with the National
Fuel Gas Code, ANSI Z223.1/NFPA 54, or the
Natural Gas and Propane Installation Code, CSA
B149.1. If installed in a manufactured home, the
installation must conform with the Manufactured
Home Construction and Safety Standard, Title 24
CFR, Part 3280 and/or CAN/SCA Z240 MH
Series, Mobile Homes.
Leave the entire manual with the consumer.
20 Rinnai Corporation EX08CT, EX11CT Manual
A full size template is provided on the
cardboard packaging.
DO NOT DISCARD until installation is
completed.
NOTICE
10.1 in
257 mm
3.3 in
85
6.8 in
172 mm
inches (mm)
Dimensions
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Rinnai RHFE-265FTA-2A-N Mode d'emploi

Taper
Mode d'emploi

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