HouseWarmer HW250GW0XX1(N Quick start guide
Page 1
INSTALLATION INSTRUCTIONS
AND
OWNER'S MANUAL
GRAVITY VENTED
SINGLE WALL FURNACE
MODEL
HW250GW0XX1(N,P)-1
HW350GW0XX1(N,P)-1
WARNING: If not installed, operated and
maintainedinaccordancewiththemanufactur-
er'sinstructions,thisproductcouldexpose you
to substances in fuel or from fuel combustion
which can cause death or serious illness.
Installer: Leave this manual with the
appliance.
Consumer: Retain this manual for future
reference.
-
ble vapors and liquids in the vicinity of this or
any other appliance.
— WHAT TO DO IF YOU SMELL GAS
use any phone in your building.
neighbor’s phone. Follow the gas suppli-
er’s instructions.
— Installation and service must be performed
gas supplier.
WARNING: If the information in these in-
-
plosion may result causing property damage,
personal injury or loss of life.
Reverso en español
23800-5-0909Page 2
TABLE OF CONTENTS
Tools and Materials ............................................................................................................... 3
Important Safety Information................................................................................................ 4
Safety Information for Users of LP Gas................................................................................ 5
Introduction ........................................................................................................................... 6
......................................................................................................................... 6
....................................................................................... 7
Gas Supply ............................................................................................................................ 8
Clearances ............................................................................................................................. 9
Location - All Models.............................................................................................................9
Ventilation and Combustion Air.......................................................................................... 10
Rough-In Instructions.................................................................................................... 11-12
Finishing Instructions.................................................................................................... 13-14
Removing the Outer Casing ................................................................................................ 15
Thermostat Location............................................................................................................ 16
Optional Thermostat Bracket Installation .................................................................... 16-17
Piezo Pilot Ignitor ............................................................................................................... 17
Lighting Instructions .......................................................................................................... 18
Vent Safety Shutoff System ................................................................................................ 19
Proper Main Burner Flame...................................................................................................20
Proper Pilot Flame................................................................................................................20
Troubleshooting....................................................................................................................21
Parts List...............................................................................................................................22
How To Order Repair Parts..................................................................................................22
Parts View.............................................................................................................................23
Warranty Information...........................................................................................................24
SECTION PAGE
23800-5-0909 Page 3
TOOLS AND MATERIALS NEEDED FOR INSTALLATION
PHILLIPS SCREWDRIVER
FLAT SCREWDRIVER
TAPE MEASURE SAW
HAMMER SNIPS
DRILL
ADJUSTABLE WRENCH
CENTER PUNCH
HARDWARE PACKAGE
Replacement screws, nuts, and washers can be purchased at most hardware stores.
For ordering replacement parts see page 22.
Figure 1
Figure 2
23800-5-0909Page 4
Due to high temperatures the appliance should be located
high surface temperatures and should stay away to avoid
burns or clothing ignition.
are in the same room as the appliance.
on or near the appliance.
appliance must be replaced prior to operating the
appliance.
Installation and repairshould be done by a QUALIFIED
SERVICE PERSON. The appliance should be inspected
person. More frequent cleaning may be required due to
excessive lint from carpeting, bedding materials, etc. It
is imperative that control compartments, burners and
circulating air passageways of the appliance be kept
clean.
put anything around the furnace that will
keep the appliance area clear and free from
vapors and liquids.
examine venting system periodically and replace
damaged parts.
make a periodic visual check of pilot and burners.
Clean and replace damaged parts.
use this heaterif any part has been under water.
the heater and to replace any part of the control system
and any gas control which has been under water.
serving a separate solid-fuel burning appliance.
THIS IS A HEATING APPLIANCE
DO NOT OPERATE THIS APPLIANCE WITHOUT OUTER CASING INSTALLED.
IMPORTANT SAFETY INFORMATION
23800-5-0909 Page 5
Some people cannot smell well. Some people cannot smell the
can smell the odorant in propane. Smoking can decrease your
ability to smell. Being around an odor for a time can affect your
sensitivity or ability to detect that odor. Sometimes other odors
in the area mask the gas odor. People may not smell the gas odor
or their minds are on something else. Thinking about smelling a
gas odor can make it easier to smell.
The odorant in LP-gas is colorless, and it can fade under some
circumstances. For example, if there is an underground leak, the
in LP-Gas also are subject to oxidation. This fading can occur if
there is rust inside the storage tank or in iron gas pipes.
The odorant in escaped gas can adsorb or absorb onto or into walls,
masonry and other materials and fabrics in a room. That will take
some of the odorant out of the gas, reducing its odor intensity.
LP-Gas may stratify in a closed area, and the odor intensity could
vary at different levels. Since it is heavier than air, there may be
more odor at lower levels.Always be sensitive to the slightest gas
odor. If you detect any odor, treat it as a serious leak. Immediately
go into action as instructed earlier.
and explosions. In its natural state, propane is odorless and
colorless. You may not know all the following safety precau-
tions which can protect both you and your family from an
accident. Read them carefully now, then review them point
by point with the members of your household. Someday when
theremay notbea minutetolose, everyone'ssafetywill depend
on knowing exactly what to do. If, after reading the following
information, you feel you still need more information, please
contact your gas supplier.
Your local LP-Gas
Dealer can give you a "Scratch and Sniff" pamphlet. Use it
that your LP-Gas has a weak or abnormal odor, call your
LP-Gas Dealer.
service, or make adjustments to appliances on the LP-Gas
of LP-Gas prior to and while lighting pilot lights or perform-
ing service or making adjustments.
smell that can cover up the LP-Gas odor. Do not try to light
pilot lights, perform service, or make adjustments in an area
where the conditions are such that you may not detect the
odor if there has been a leak of LP-Gas.
newcylinders andtanks,is possible.Therefore, peopleshould
be particularly alert and careful when new tanks or cylinders
are placed in service. Odor fade can occur in new tanks, or
out of service for a time may develop internal rust which will
cause odor fade. If such conditions are suspected to exist, a
periodic sniff test of the gas is advisable. If you have any
question about the gas odor, call your LP-gas dealer. A
periodic sniff test of the LP-gas is a good safety measure
under any condition.
think you should, assume you have a leak. Then take the same
immediate action recommended above for the occasion when
you do detect the odorized LP-Gas.
-
der no vapor pressure), turn the tank valve off immediately.
If the container valve is left on, the container may draw in
occurs, some new internal rusting could occur. If the valve is
left open, then treat the container as a new tank. Always be
sure your container is under vapor pressure by turning it off
at the container before it goes completely empty or having it
phone. Do not do anything that could ignite the gas.
that IMMEDIATELY.
as basements. When you have reason to suspect a gas leak,
keep out of basements and other low areas. Stay out until
continue to smell gas, do not turn on the gas again. Do not
re-enter the building, vehicle, trailer, or area.
Finally,
gas. Have them air out the area before you return. Properly
trained LP-Gas service people should repair the leak, then
check and relight the gas appliance for you.
SOME POINTS TO REMEMBER
NO ODOR DETECTED - ODOR FADE
LP-GAS WARNING ODOR
If a gas leak happens, you should be able to smell the gas because of the odorant put in the LP-Gas.
That's your signal to go into immediate action!
SAFETY INFORMATION FOR USERS OF LP-GAS
23800-5-0909Page 6
Introduction
Vented wall furnace is shipped ready to install in a 2" x 4" stud wall,
Building Department regarding regulations, codes or ordinances
which apply to the installation of a vented wall furnace.
Instructions to Installer
1. Installer must leave instruction manual with owner after instal-
lation.
-
plied with furnace.
3. Installer should show owner how to start and operate furnace
and thermostat.
Warning:
Any change to this furnace or its control can be dangerous.
This is a heating appliance and any panel, door or guard
removed forservicing an appliance must be replaced prior
to operating the appliance.
General Information
Standard / CSA Standard Z21.86 and CSA 2.32 by the Canadian
Standards Association, as a Vented Wall Furnace and must be
installed according to these instructions.
Any alteration of the original design, installed other than as
shown in these instructions or use with a type of gas not shown
on the rating plate is the responsibility of the person and com-
pany making the change.
Important
All correspondence should refer to complete Model No., Serial
No. and type of gas.
Notice:
out and smoke will occur. To prevent triggering of smoke alarms,
ventilate the room in which the furnace is installed.
Installation in Residential Garages
so that all burners and burner ignition devices are located not less
to physical damage by a moving vehicle.
person or through a representative is engaged in and is responsible
jurisdiction.
State of Massachusetts: The installation must be made by
Massachusetts.
The installation must conform to local codes or, in the absence of
local codes, with the National Fuel Gas Code ANSI Z223.1/NFPA
54* Natural Gas and Propane Installation Code, CSA B149.1.
*Available from the American National Standards Institute, Inc., 11 West 42nd St.,
New York, N.Y. 10036.
High Altitudes
feetabovesea level.CanadianHighAltitudesfor locationshaving
INTRODUCTION
SPECIFICATIONS
Model HW250GW Series HW350GW Series
Width
Gas Inlet Pipe 1/2" 1/2"
Vent Pipe Type B Oval
Accessories
HWGWTB2 HWGWTB2
HWGWTR HWGWTR
HWGWTW2 HWGWTW2
Attention: When the HWGWTW2-1, Out-of-the-Wall kit is used the HWGWTR-1, Rear Register kit cannot be used.
23800-5-0909 Page 7
Note:
4" Oval (all parts purchase locally)
1. Type B-1 oval pipe
pair of ceiling plate spacers.
Type B-W gas vent pipe is available for single story or
multi-story installations. Type B-W gas vent pipe is to
be used with the Listed base plate, ceiling plate spacers
RECOMMENDED VENT CONFIGURATION
Figure 3
Figure 4
Insulated Vent Enclosure
poor venting. The cold vent pipe will have a delay in proper venting and
cause the wall furnace to shut "off" by the vent safety switch. To prevent
enclosure is recommended.
to combustibles.
Use metal thimble to protect vent pipe as it passes through combustibles.
BaseplateGasketisfactoryinstalledonheader. Baseplateattachesto header
with screws. B-vent snaps into and is attached to baseplate. Minimum
Stud space around gas vents must be free of obstructions and building
paper.
Uninsulated Single-Wall Metal Pipe shall not be used outdoors in cold
Attention: The main burner uses room air for combustion. As the gas/air
lint particles into the main burner.
Dust and lint accumulation inside the main burner will result in a yellow
and vent pipe. To clean main burner refer to Page 13, "Proper Main Burner
Flame."
23800-5-0909Page 8
GAS SUPPLY
Note:
codes allow copper tubing or galvanized.
Note: Since some municipalities have additional local codes, it is
always best to consult your local authority and installation code.
Installing a New Main Gas Cock
Each appliance should have its own manual gas cock.
A manual main gas cock should be located in the vicinity of the
unit. Where none exists, or where its size or location is not ad-
relocation.
Compounds used on threaded joints of gas piping shall be resistant
checked for leaks by the installer. This should be done with a soap
solution watching for bubbles on all exposed connections, and if
unexposed, a pressure test should be made.
be disconnected from piping at inlet of control valve and pipe
capped or plugged for pressure test. Never pressure test with
A gas valve and ground joint union should be installed in the gas
by the National Fuel Gas Code that a drip line be installed near
the gas inlet. This should consist of a vertical length of pipe tee
connected into the gas line that is capped on the bottom in which
condensation and foreign particles may collect.
Figure 5
The use of the following gas connectors is recommended:
— ANSZ21.24ApplianceConnectorsofCorrugatedMetalTubing
and Fittings
— ANS Z21.45 Assembled Flexible Appliance Connectors of
Other Than All-Metal Construction
The above connectors may be used if acceptable by the authority
appliance connector cannot exceed three feet in length.
Pressure Testing of the Gas Supply System
N.P.T. plugged tapping, accessible for test gauge connection,
must be placed immediately upstream of the gas supply
connection to the appliance.
2. The appliance and its individual shutoff valve must be
disconnected from the gas supply piping system during any
pressure testing of that system at test pressures in excess of
3. The appliance must be isolated from the gas supply piping
system by closing its individual manual shutoff valve during
any pressure testing of the gas supply piping system at test
Attention! If one of the procedures results in pressures in excess
result in a hazardous condition.
Checking Manifold Pressure
Both Propane and Natural gas valves have a built-in pressure
regulator in the gas valve. Natural gas models will have a manifold
with the inlet pressure to the valve from a minimum of 4.5" w.c.
with the inlet pressure to the valve from a minimum of 11.0" w.c.
connection, is located on the outlet side of the gas control.
Recommended Gas Pipe Diameter
Pipe Length Schedule 40 Pipe
Inside Diameter
Tubing, Type L
Outside Diameter
Nat. L.P. Nat. L.P.
0-10 feet
0-3 meters
1/2”
12.7 mm
3/8”
9.5 mm
1/2”
12.7 mm
3/8”
9.5 mm
10-40 feet
4-12 meters
1/2”
12.7 mm
1/2”
12.7 mm
5/8”
15.9 mm
1/2”
12.7 mm
40-100 feet
13-30 meters
1/2”
12.7 mm
1/2”
12.7 mm
3/4”
19 mm
1/2”
12.7 mm
100-150 feet
31-46 meters
3/4”
19 mm
1/2”
12.7 mm
7/8”
22.2 mm
3/4”
19 mm
23800-5-0909 Page 9
1. In selecting a location for installation, it is necessary to provide
installation.
NOTE:
maintained from top surface of carpeting, tile, etc.
CLEARANCES
S
the outer casing, or where circulation could be retarded by furniture or cabinets.
Do not install in a closet, alcove or small hallway where the furnace could be isolated by closing doors to the heated space.
When location is selected, check the walls, attic and roof to make sure there are no obstructions such as pipes, electric wiring, etc., which
would interfere with the installation of the furnace or vent pipe.
NOTE:
in wall before furnace is installed.
NOTE: If Optional Blower is to be used, hard wiring must be completed for the optional blower prior to installation of header plate.
LOCATION - ALL MODELS
Figure 6
Figure 7 Figure 8 Figure 9
23800-5-0909Page 10
Wall furnaces shall be installed in a location in which the facilities for ventilation permit satisfactory combustion of gas and proper
venting under normal conditions. In buildings of conventional frame, brick, or stone construction without tight storm windows and
air for combustion and ventilation must be obtained directly from outdoors or from such spaces that freely communicate with the
2) per 2,000
VENTILATION AND COMBUSTION AIR
VENT CAP
GAS VENT
OUTLET AIR
INLETAIR
VENTILATION LOUVERS
FOR UNHEATED CRAWL SPACE
VENTILATION LOUVERS
EACH END OF ATTIC
VENT CAP
GAS VENT
OPENING
ALTERNATE
OPENING
VENT CAP
GAS VENT
OPENING
OPENING
VENT CAP
GAS VENT
OUTLET AIR
INLET
GRILLE
INLETAIR DUCT
(ENDS1FT. (300MM)
ABOVE FLOOR
VENTILATION LOUVERS
EACH END OF ATTIC
Figure 10
Figure 12
Figure 11 Figure 13
23800-5-0909 Page 11
Figure 14 and Figure 19). Wall depth is to be 2" x 4" framing
Figure 14
Figure 15
66 1/4”
(1683mm)
14 ½”
(368mm)
with sheet metal screws at each end.
Figure 16
baseplate.
Figure 17
HEADER ASSEMBLY
BASE PLATE
GASKET
BASE PLATE
OVAL PIPE
ROUGH-IN INSTRUCTIONS
23800-5-0909Page 12
7. Position header plate at height shown in Figure 18.
stud which will center the vent collar in the wall.
the wall opening.
screws provided or nails.
5. Attach enough vent pipe so that when installed in wall opening
the vent pipe will extend above the ceiling plate by at least 6"
6. Insert header plate with attached 4" oval, double wall vent pipe
into wall opening.
Figure 18
ROUGH-IN INSTRUCTIONS
HEADER ASSEMBLY
BOTTOM OF
NAILING FLANGE
TOPOF FLOOR PLATE
62 3/8”
(1584mm)
6” MINIMUM
(152mm)
23800-5-0909 Page 13
Plastering (Figure 19)
into wall space.
Use wood strips nailed to inside of studs and top of bottom plate.
These must be removed before installation of furnace. Lath and
plaster against top projection of Header Plate.
Figure 19
Installing Furnace
1. Clear the recess of all debris, and remove any wood plaster-
grounds.
4. Swing bottom of furnace into wall opening with back of legs
FINISHING INSTRUCTIONS
Figure 20
IMPORTANT — Avoid securing too tightly and disturbing the
inner casing. Do not try to force furnace into a wall opening which
OUTER CASING
1. Align 1 3/4" slot on casing bracket with bottom screw hole on
10 x 1/2" screws for each casing bracket. Do not completely
tighten screws at this time.
CASING BRACKET
Figure 21
HEADER ASSEMBLY
66 1/4”
(1683mm)
WALL
OPENING
23800-5-0909Page 14
AT TACH HERE IF BLOWER
IS INSTALLED
Figure 24
3. Align clearance holes on outer casing bottom with screw holes
on casing brackets by adjusting slots on casing brackets.
4. Complete tightening casing bracket screws from Step 1 to
inner casing at this time.
screws.
CASING BRACKET
SCREW HOLES
Figure 25
INSTALLING CONTROL DOOR
Attach two washers supplied in hardware package to pivot pins
located at bottom of control door. Install control door to outer
casing assembly.
NYLON WASHER
CASING DOOR
Figure 26
FINISHING INSTRUCTIONS
2. Place outer casing onto header.
CASING FRONT
ASSEMBLY
Figure 22
Attention: Use center clearance hole on outer casing top for
when
optional blower is not installed.
AT TACH HERE IF NO
BLOWER IS INSTALLED
Figure 23
Attention: Use outside clearance holes on outer casing top for
when
optional blower is installed.
23800-5-0909 Page 15
of outer casing to inner casing.
Figure 29
3. Remove outer casing from unit and place aside.
Figure 30
1. When optional blower is not installed. At the top of the
slot that attaches the outer casing to the header assembly.
Figure 27
When optional blower is installed.
screws that attach blower front to blower housing. Separate
blower front from blower housing. Remove blower front
by disconnecting fan control switch wire assembly from
the outside clearance slots that attach the outer casing to the
header assembly.
Figure 28
REMOVING THE OUTER CASING
23800-5-0909Page 16
CAUTION — D
in any location where it might be damaged.
Millivolt wall thermostats are specially designed for use on self-
generating systems. They should never be used on line or low
voltage A.C. circuits.
Interior Wall — The thermostat should be installed on an inside
wall away from the furnace but in the same room.
Note: Use 16 gauge wire to prevent excessive loss of millivolts.
System Check (Figure 31)
should be:
thermostat OFF.
thermostat ON.
with thermostat ON.
millivolts with thermostat ON
will reduce readings.)
THERMOSTAT LOCATION
Connect thermostat wires to gas valve as shown in Figure 31.
Figure 31
OPTIONAL THERMOSTAT BRACKET INSTALLATION
1. Remove outer casing from heater.
heater. Choose the side with the best air circulation. Using
a hammer and center punch, remove the knockouts on the
chosen side of the heater.
OUTER CASING SIDE
Figure 32
3. Route the thermostat wire through the center knockout hole
in the outer casing and the center hole in the thermostat
bracket.
Figure 33
23800-5-0909 Page 17
PIEZO PILOT IGNITOR
Piezo is located adjacent to gas valve. Open casing door to access
piezo ignitor.
Depressing the piezo ignitor button completely causes a spark to
opening the pilot hole cover.
from the thermopile. The spark must occur at the point the burner
with the pilot on.
On a new installation with air in the gas line, it is suggested that a
match be used. The match will light the pilot faster than the piezo
under this condition.
PIEZO IGNITOR
OPTIONAL THERMOSTAT BRACKET INSTALLATION
8 x 3/8" Phillips screws.
Figure 34
5. Replace the outer casing.
6. Remove cover of thermostat from base.
Figure 35
7. Feed wires through rectangular slots.
Figure 36
screws.
Figure 37
9. Connect the thermostat wires to the terminal screws.
Figure 38
10. Replace thermostat cover.
Figure 39
23800-5-0909Page 18
LIGHTING INSTRUCTIONS
FOR YOUR SAFETY READ BEFORE LIGHTING
WARNING:
causing property damage, personal injury or loss of life.
A. This appliance has a pilot which must be lighted by
hand. When lighting the pilot, follow these instructions
exactly.
B. BEFORELIGHTING smellallaroundtheappliancearea
WHAT TO DO IF YOU SMELL GAS
do not use any phone in your building.
phone. Follow the gas supplier's instructions.
department.
C. Use only your hand to push in or turn the gas control
knob. Never use tools. If the knob will not push in or turn
or explosion.
D. Do not use this appliance if any part has been underwater.
the appliance and to replace any part of the control system
and any gas control which has been under water.
1. STOP! Read the safety information above.
2. Set the thermostat to lowest setting.
3. Turn off all electric power to the appliance (if appli-
cable).
4. Pushingascontrolknobslightlyandturnclockwise
to "OFF."
NOTE: Knob cannot be turned from "PILOT" to "OFF"
unless knob is pushed in slightly. Do not force.
5. Wait ten (10) minutes to clear out any gas. Then smell
Follow "B" in the safety information above. If you don't
smell gas, go to the next step.
6. Find pilot - follow metal tube from gas
control. The pilot is mounted on front
of main burner.
7. Turn gas control knob counterclock-
wise to "PILOT."
8. Push and hold control knob in and
repeatedly push the ignitor button until pilot is lit (or use
match to light.). Continue to hold the control knob in for
about one (1) minute after the pilot is lit. Release knob
and it will pop back up. Pilot should remain lit. If it goes
out, repeat steps 4 through 8.
-
supplier.
control knob to "OFF" and call yourservice technician
or gas supplier.
9. Turn gas control knob counterclockwise to
"ON."
10. Turn on all electric power to the appliance (if appli-
cable).
11. Set thermostat to desired setting.
LIGHTING INSTRUCTIONS
GAS CONTROL KNOB SHOWN IN "OFF" POSITION
TO TURN OFF GAS TO APPLIANCE
1. Set the thermostat to lowest setting.
2. Turn off all electric power (if applicable) to appliance if
service is to be performed.
3. Push in gas control knob slightly and turn clockwise
to "OFF." Do not force/
23800-5-0909 Page 19
This appliance must be properly connected to a venting system.
Warning: Operationofthiswallfurnacewhennotconnected
to a properly installed and maintained venting system or
tampering with the vent safety shutoff system can result in
carbon monoxide (CO) poisoning and possible death.
To reset the manual reset vent safety switch:
1. Remove outer casing. See Page 15.
2. Depress manual reset button. The manual reset vent safety
switch is located on the draft diverter.
LIMIT RESET
BUTTON
Figure 40
3. Replace outer casing. See Page 14.
If the manual reset vent safety switch continues to "shut off" the gas
to inspect for improper venting, blockage in the vent pipe or the
manual reset vent safety switch for being defective.
VENT SAFETY SHUTOFF SYSTEM
Figure 41
23800-5-0909Page 20
times per season.
Agency, or the Gas Supplier.
Tocleanburnerports,disconnectthegassupplytothevalve. Remove
the burner assembly from the combustion chamber. Remove pilot
burner from main burner and then remove the main burner. Force
water into the ports and blow dry with vacuum cleaner air, or low
pressure compressed air. Figure 42
PROPER MAIN BURNER FLAME
control valve and turn the adjustment screw clockwise to reduce
control valve opening.
PROPER PILOT FLAME
Figure 43
This manual suits for next models
5
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