Desa GWP6, GWRN10, GWP10T, GWRP10, GWN6 User Manual

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GWN6, GWP6
GWN10, GWP10
GWN10T, GWP10T
GWRN10 AND GWRP10
VENT-FREE GAS HEATER
SAFETY INFORMATION AND
TM
INSTALLATION MANUAL
WARNING: If the information in this manual is not followed exactly, a fire or explosion may result caus­ing property damage, personal injury, or loss of life.
Do not store or use gasoline or other flammable
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 neighbor’s phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by
a qualified installer, service agency, or the gas supplier.
This appliance may be installed in an aftermarket*, permanently located, manufactured (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.
*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
WARNING: Improper installa­tion, adjustment, alteration, ser­vice, or maintenance can cause injury or property damage. Re­fer to this manual for correct installation and operational pro­cedures. For assistance or ad­ditional information consult a qualified installer, service agency, or the gas supplier.
WARNING: This is an unvented gas-fired heater. It uses air (oxy­gen) from the room in which it is installed. Provisions for adequate combustion and ventilation air must be provided. Refer to
Combustion and Ventilation
page 4 of this manual.
Air For
on
Save this manual for future reference.
Save this manual for future reference.
TABLE OF CONTENTS SAFETY INFORMATION
2
TABLE OF CONTENTS
SAFETY INFORMATION ............................................................ 2
UNPACKING............................................................................... 3
PRODUCT IDENTIFICATION ..................................................... 3
PRODUCT FEATURES .............................................................. 3
LOCAL CODES........................................................................... 3
AIR FOR COMBUSTION AND VENTILATION ........................... 4
INSTALLATION ........................................................................... 6
OPERATING HEATER............................................................... 11
INSPECTING BURNER ............................................................ 15
CLEANING AND MAINTENANCE ............................................ 16
TROUBLESHOOTING .............................................................. 17
SAFETY INFORMATION
WARNINGS
IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate, or ser­vice this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning.
ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST....... 20
SPECIFICATIONS .................................................................... 26
REPLACEMENT PARTS .......................................................... 27
SERVICE HINTS....................................................................... 27
TECHNICAL SERVICE ............................................................. 27
SERVICE PUBLICATIONS ....................................................... 27
ACCESSORY............................................................................ 27
PARTS CENTRALS .................................................................. 28
OWNER’S REGISTRATION FORM.......................................... 29
WARRANTY INFORMATION...................................... Back Cover
Due to high temperatures, the appliance should be located out of traffic and away from furniture and draperies.
Do not place clothing or other flammable material on or near the appliance. Never place any objects on the heater.
DANGER: Carbon monoxide poisoning may lead
to death!
Carbon Monoxide Poisoning: Early signs of carbon monoxide
poisoning resemble the flu, with headaches, dizziness, or nausea. If you have these signs, the heater may not be working properly. Get fresh air at once! Have heater serviced. Some people are more affected by carbon monoxide than others. These include pregnant women, persons with heart or lung disease or anemia, those under the influence of alcohol, and those at high altitudes.
Natural and Propane/LP Gas: Natural and propane/LP gases are
fuel gases. Fuel gases are odorless. An odor-making agent is added to fuel gases. The odor helps you detect a fuel gas leak. However, the odor added to fuel gas can fade. Fuel gas may be present even though no odor exists.
Make certain you read and understand all warnings. Keep this manual for reference. It is your guide to safe and proper operation of this heater.
WARNING: Any change to this heater or its
controls can be dangerous.
WARNING: Do not use any accessory not ap-
proved for use with this heater.
Surface of heater becomes very hot when running heater. Keep children and adults away from hot sur­face to avoid burns or clothing ignition. Heater will remain hot for a time after shutdown. Allow surface to cool before touching.
Carefully supervise young children when they are in the same room with heater.
Make sure grill guard is in place before running heater.
Keep the appliance area clear and free from combus­tible materials, gasoline, and other flammable vapors and liquids.
1. 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.
2. Do not place propane/LP supply tank(s) inside any structure. Locate propane/LP supply tank(s) outdoors.
3. Do not install 10,000 Btu units in a bathroom.
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107902-01D
SAFETY INFORMATION
UNPACKING
PRODUCT IDENTIFICATION
PRODUCT FEATURES
LOCAL CODES
3
3
SAFETY INFORMATION
Continued
4. If you smell gas
• Shut off gas supply
• 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 neighbor’s phone. Follow the gas supplier’s instructions
• If you cannot reach your gas supplier, call the fire department
5. This heater needs fresh, outside air ventilation to run properly. This heater has an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS shuts down the heater if not enough fresh air is available. See Air for Combustion and Ventilation, pages 4 and 5.
6. Keep all air openings in the front and bottom of heater clear and free of debris. This will insure enough air for proper combustion.
7. If heater shuts off, do not relight until you provide fresh, out­side air. If heater keeps shutting off, have it serviced.
8. Do not run heater
• where flammable liquids or vapors are used or stored
• under dusty conditions
9. Before using furniture polish, wax, carpet cleaner, or similar products, turn heater off. If heated, the vapors from these prod­ucts may create a white powder residue within burner box or on adjacent walls or furniture.
10. Do not use heater if any part has been under water. Immedi­ately call a qualified service technician to inspect the room heater and to replace any part of the control system and any gas control which has been under water.
11. Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater.
12. Operating heater above elevations of 4,500 feet could cause pilot outage.
13. T o prevent performance problems, do not use propane/LP fuel tank of less than 100 lbs. capacity.
UNPACKING
1. Remove heater from carton.
2. Remove all protective packaging applied to heater for shipment.
3. Check heater for any shipping damage. If heater is damaged, promptly inform dealer where you bought heater.
PRODUCT IDENTIFICATION
Piezo Ignitor Button
Glass Panel
Blue Flame Heater
Figure 1 - Vent-Free Gas Heater
Control Knob
Grill Guard
Front Panel
Heater Cabinet
Piezo Ignitor Button
Infrared Heater
Control Knob
Burners
PRODUCT FEATURES
SAFETY DEVICE
This heater has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS/pilot is a required feature for vent­free room heaters. The ODS/pilot shuts off the heater if there is not enough fresh air.
PIEZO IGNITION SYSTEM
This heater has a piezo ignitor. This system requires no matches, batteries, or other sources to light heater.
LOCAL CODES
Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of National Fuel Gas Code ANSI Z223.1/NFPA 54*.
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
107902-01D
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AIR FOR COMBUSTION AND VENTILATION
4
Providing Adequate Ventilation Determining Fresh-Air Flow For Heater Location
AIR FOR COMBUSTION AND VENTILATION
WARNING: This heater shall not be installed in a confined space or unusually tight construction un­less provisions are provided for adequate combus­tion and ventilation air. Read the following instruc­tions to insure proper fresh air for this and other fuel­burning appliances in your home.
Today’s homes are built more energy efficient than ever. New materi­als, increased insulation, and new construction methods help reduce heat loss in homes. Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in. During heating months, home owners want their homes as airtight as possible.
While it is good to make your home energy efficient, your home needs to breathe. Fresh air must enter your home. All fuel-burning appliances need fresh air for proper combustion and ventilation.
Exhaust fans, fireplaces, clothes dryers, and fuel burning appliances draw air from the house to operate. You must provide adequate fresh air for these appliances. This will insure proper venting of vented fuel-burning appliances.
PROVIDING ADEQUATE VENTILATION
The following are excerpts from National Fuel Gas Code, ANSI Z223.1/NFPA 54, Section 5.3, Air for Combustion and Ventilation.
All spaces in homes fall into one of the three following ventilation classifications:
1. Unusually Tight Construction
2. Unconfined Space
3. Confined Space The information on pages 4 and 5 will help you classify your space
and provide adequate ventilation.
Unusually Tight Construction
The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation. However, in buildings of unusually tight construction, you must provide additional fresh air.
Unusually tight construction is defined as construction where:
a. walls and ceilings exposed to the outside atmosphere
have a continuous water vapor retarder with a rating of one perm (6 x 10 ings gasketed or sealed
b. weather stripping has been added on openable windows
and doors
and
-11
kg per pa-sec-m2) or less with open-
and
c. caulking or sealants are applied to areas such as joints
around window and door frames, between sole plates and floors, between wall-ceiling joints, between wall pan­els, at penetrations for plumbing, electrical, and gas lines, and at other openings.
If your home meets all of the three criteria above, you must provide additional fresh air. See
doors
, page 5
If your home does not meet all of the three criteria above, proceed to
.
Determining Fresh-Air Flow For Heater Location
Ventilation Air From Out-
Confined and Unconfined Space
The National Fuel Gas Code, ANSI Z223.1/NFPA 54 defines a confined space as a space whose volume is less than 50 cubic feet per 1,000 Btu per hour (4.8 m3 per kw) of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 cubic feet per 1,000 Btu per hour (4.8 m3 per kw) of the aggregate input rating of all appliances installed in that space. Rooms communicating directly with the space in which the appliances are installed*, through openings not furnished with doors, are considered a part of the unconfined space.
* Adjoining rooms are communicating only if there are doorless passageways or ventilation grills between them.
DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION
Determining if You Have a Confined or Unconfined Space
Use this work sheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining
rooms with doorless passageways or ventilation grills between the rooms.
1. Determine the volume of the space (length x width x height). Length x Width x Height =___________ cu. ft. (volume of space)
Example:
height) = 3168 cu. ft. (volume of space) If additional ventilation to adjoining room is supplied with grills or open-
ings, add the volume of these rooms to the total volume of the space.
2. Multiply the space volume by 20 to determine the maximum Btu/Hr the space can support.
__________ (volume of space) x 20 = (Maximum Btu/Hr the space
Example:
Btu/Hr the space can support)
Space size 22 ft. (length) x 18 ft. (width) x 8 ft. (ceiling
can support)
2560 cu. ft. (volume of space) x 20 = 51,200 (maximum
.
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107902-01D
AIR FOR COMBUSTION AND VENTILATION
Determining Fresh-Air Flow For Heater Location
Ventilation Air
5
5
AIR FOR COMBUSTION AND VENTILATION
Continued
3. Add the Btu/Hr of all fuel burning appliances in the space. Vent-free heater _____________ Btu/Hr Gas water heater* _____________ Btu/Hr Gas furnace _____________ Btu/Hr Vented gas heater _____________ Btu/Hr Gas fireplace logs _____________ Btu/Hr Other gas appliances* + _____________ Btu/Hr Total = _____________ Btu/Hr
* Do not include direct-vent gas appliances. Direct-vent draws com­bustion air from the outdoors and vents to the outdoors.
Example:
Gas water heater _____________ Btu/Hr Vent-free heater + _____________ Btu/Hr Total = _____________ Btu/Hr
4. Compare the maximum Btu/Hr the space can support with the actual
amount of Btu/Hr used.
__________________ Btu/Hr (maximum the space can support) __________________ Btu/Hr (actual amount of Btu/Hr used)
Example:
51,200 Btu/Hr (maximum the space can support) 50,000 Btu/Hr (actual amount of Btu/Hr used)
The space in the above example is a confined space because the actual Btu/ Hr used is more than the maximum Btu/Hr the space can support. You must provide additional fresh air. Your options are as follows:
A. Rework worksheet, adding the space of an adjoining room. If the
extra space provides an unconfined space, remove door to adjoining room or add ventilation grills between rooms. See V entilation Air Fr om
Inside Building. B. V ent room directly to the outdoors. See Ventilation Air F r om Outdoors. C. Install a lower Btu/Hr heater, if lower Btu/Hr size makes room unconfined.
If the actual Btu/Hr used is less than the maximum Btu/Hr the space can support, the space is an unconfined space. You will need no additional fresh air ventilation.
40,000 10,000 50,000
VENTILATION AIR
Ventilation Air From Inside Building
This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must provide two permanent openings: one within 12" of the ceiling and one within 12" of the floor on the wall connecting the two spaces (see options 1 and 2, Figure 2). You can also remove door into adjoining room (see option 3, Figure 2). Follow the National Fuel
Gas Code, ANSI Z223.1/NFPA 54, Section 5.3, Air for Combustion and Ventilation for required size of ventilation grills or ducts.
Ventilation Air From Outdoors
Provide extra fresh air by using ventilation grills or ducts. You must provide two permanent openings: one within 12" of the ceiling and one within 12" of the floor. Connect these items directly to the outdoors or spaces open to the outdoors. These spaces include attics and crawl spaces. Follow the National Fuel Gas Code, ANSI
Z223.1/NFPA 54, Section 5.3, Air for Combustion and Ventilation
for required size of ventilation grills or ducts.
IMPORTANT:
attic if attic has a thermostat-controlled power vent. Heated air entering the attic will activate the power vent.
Figure 2 - Ventilation Air from Inside Building
Do not provide openings for inlet or outlet air into
12"
Ventilation Grills
Ventilation
Grills
into Adjoining
Room,
Option 1
Or
Remove Door into Adjoining
Room,
Option 3
Into Adjoining Room,
12"
Option 2
WARNING: If the area in which the heater may be operated is smaller than that defined as an uncon­fined space or if the building is of unusually tight construction, provide adequate combustion and ven­tilation air by one of the methods described in the
National Fuel Gas Code, ANSI Z223.1/NFPA 54, Sec­tion 5.3
107902-01D
or applicable local codes.
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Ventilated Attic
Ventilated
Crawl Space
Outlet Air
Inlet Air
Outlet Air
Inlet Air
Figure 3 - Ventilation Air from Outdoors
To Attic
To Crawl Space
T
INSTALLATION
6
Check Gas Type
INSTALLATION
NOTICE: This heater is intended for use as supple­mental heat. Use this heater along with your primary heating system. Do not install this heater as your primary heat source. If you have a central heating system, you may run systems circulating blower while using heater. This will help circulate the heat throughout the house. In the event of a power outage, you can use this heater as your primary heat source.
WARNING: A qualified service person must in-
stall heater. Follow all local codes.
CHECK GAS TYPE
Use only the correct type of gas (natural or propane/LP). If your gas supply is not the correct gas type, do not install heater. Call dealer where you bought heater for proper type heater.
INSTALLATION ITEMS
Before installing heater, make sure you have the items listed below.
• for propane/LP gas, external regulator (supplied by installer)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• ground joint union
• sediment trap
• tee joint
• pipe wrench
• for natural gas, test gauge connection* * A CSA design-certified equipment shutoff valve with 1/8" NPT
tap is an acceptable alternative to test gauge connection. Purchase the optional CSA design-certified equipment shutoff valve from your dealer. See Accessory, page 29.
WARNING: Never install the heater
in a bathroom (10,000 Btu/hr only. 6,000 Btu/hr mod­els are allowed in a bathroom. Check local codes.)
in a recreational vehicle
where curtains, furniture, clothing, or other flam-
mable objects are less than 36 inches from the front, top, or sides of the heater
as a fireplace insert
in high traffic areas
in windy or drafty areas
CAUTION: This heater creates warm air currents. These currents move heat to wall surfaces next to heater. Installing heater next to vinyl or cloth wall coverings or operating heater where impurities (such as but not limited to, tobacco smoke, aromatic candles, cleaning fluids, oil or kerosene lamps, etc.) in the air exist, may discolor walls or cause odors.
IMPORTANT:
Vent-free heaters add moisture to the air. Al­though this is beneficial, installing heater in rooms without enough ventilation air may cause mildew to form from too much moisture. See Air for Combustion and Ventilation, pages 4 and 5.
CAUTION: If you install the heater in a home
garage
heater pilot and burner must be at least 18 inches above floor
locate heater where moving vehicle will not hit it
For convenience and efficiency, install heater
• where there is easy access for operation, inspection, and service
• in coldest part of room
CEILING
LOCATING HEATER
This heater is designed to be mounted on a wall.
WARNING: Maintain the minimum clearances shown in Figure 4. If you can, provide greater clear­ances from floor, ceiling, and joining wall.
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6" Blueflame 8" Plaque
Minimum From Sides Of Heater
Left Side
Figure 4 - Mounting Clearances As Viewed From Front of Heater
36" Minimum
Right Side
Minimum To Top Surface
3"
Minimum To Of Carpeting,
Of Carpeting, Tile Or Other Combustible Material
107902-01D
INSTALLATION
Continued
INSTALLATION
Installation Items
Locating Heater
Installing Heater To Wall
7
7
INSTALLING HEATER TO WALL
Marking Screw Locations
1. Determine where you will locate heater.
WARNING: Maintain minimum clearances shown in Figure 5. If you can, provide greater clearances from floor and joining wall.
2. Mark two mounting screw locations on wall (see Figure 5).
3
/4"
8 7/8"
Blue Flame
7
/8" Plaque
10
Minimum To
Maintain 6"
Clearance From Wall
JOINING WALL
FLOOR
Figure 5 - Mounting Screw Locations
Installing Two Mounting Screws
Note:
Wall anchors and mounting screws are in hardware package.
The hardware package is provided with heater.
Attaching to wall stud method
For attaching mounting screw to wall stud
1. Drill hole at marked location using 9/64" drill bit.
2. Insert mounting screw into wall stud.
3. Tighten screw until 1/16" space (thickness of penny) is be­tween screwhead and wall.
Attaching to wall anchor method
Follow instructions below to attach mounting screws to hollow walls (wall areas between studs) or solid walls (concrete or masonry).
1. Drill holes at marked locations using 5/16" drill bit. For solid walls (concrete or masonry), drill at least 1 1/4" deep.
2. Fold wall anchor (see Figure 6).
7
Mounting
Screw
Locations
1
20
/4"
Minimum To
Maintain 3"
Clearance
From Floor
3. Insert wall anchor (wings first) into hole. Tap anchor flush to wall.
4. For thin walls (1/2" or less), insert red key into wall anchor. Push red key to “pop” open anchor wings (see Figure 7).
IMPORTANT:
Do not hammer key! For thick walls (over 1/2"
thick) or solid walls, do not pop open wings.
5. Tighten two screws until 1/16" space (thickness of penny) is between screwheads and wall (see Figure 8).
Thin Walls (1/4" to 1/2" thick)
Figure 6 - Folding Anchor
1/16" Space
Figure 8 - Tightening Anchors
Figure 7 - Popping Open Anchor Wings For Thin Walls
Thin or Thick Wall (thick wall shown)
Solid Wall
Placing Heater On Mounting Screws
1. Locate two keyhole slots on back panel of heater (see Figure 9).
2. Place large openings of slots over screwheads. Slide heater down until screws are in small portion of slots.
Keyhole Slots
Figure 9 - Location Of Keyhole Slots On Back Panel Of Heater
107902-01D
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INSTALLATION
8
Installing Heater To Wall (Cont.) Connecting To Gas Supply
INSTALLATION
Continued
Removing Front Panel Of Heater
1. Remove two screws near bottom corners of front panel.
2. Lift straight up on grill guard until it stops. Grill guard will slide up about 1/4".
3. Pull bottom of front panel forward, then down.
Figure 10 - Removing Front Panel Of Heater
Installing Bottom Mounting Screw
1. Locate bottom mounting hole. This hole is near bottom on back panel of heater (see Figure 11).
2. Mark screw location on wall.
3. Remove heater from wall.
4. If installing bottom mounting screw into hollow or solid wall, install wall anchor. Follow steps 1 through 5 under Attaching To W all Anchor Method, page 7. If installing bottom mounting screw into wall stud, drill hole at marked location using 9/64" drill bit.
5. Replace heater on wall.
6. Insert bottom anchor screw through back panel into bottom anchor or drilled hole (see Figure 11).
7. Tighten screw until heater is firmly secured to wall. Do not over tighten.
Note:
Do not replace front panel at this time. Replace front panel after making gas connections and checking for leaks (see pages 9 and 10).
CONNECTING TO GAS SUPPLY
WARNING: This appliance requires a 3/8" NPT (National Pipe Thread) inlet connection to the pres­sure regulator.
WARNING: A qualified service person must con­nect heater to gas supply. Follow all local codes.
WARNING: For natural gas, never connect heater to private (non-utility) gas wells. This gas is commonly known as wellhead gas.
IMPORTANT
connecting heater to gas line. Gas line pressure must be no greater than 14 inches of water. If gas line pressure is higher, heater regulator damage could occur.
CAUTION: For propane/LP gas, never connect heater directly to the propane/LP supply. This heater requires an external regulator (not supplied). Install the external regulator between the heater and pro­pane/LP supply.
For propane/LP gas, the installer must supply an external regulator. The external regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to between 11 and 14 inches of water. If you do not reduce incoming gas pressure, heater regulator damage could occur. Install external regulator with the vent pointing down as shown in Figure 12. Pointing the vent down protects it from freezing rain or sleet.
CAUTION: Use only new, black iron or steel pipe. Internally-tinned copper tubing may be used in cer­tain areas. Check your local codes. Use pipe of large enough diameter to allow proper gas volume to heater. If pipe is too small, undue loss of volume will occur.
: For natural gas, check gas line pressure before
Propane/LP Supply Tank
External Regulator
Figure 11 - Installing Bottom Mounting Screw
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Vent Pointing Down
Figure 12 - External Regulator With Vent Pointing Down (propane/LP systems only)
107902-01D
INSTALLATION
Continued
Installation must include equipment shutoff valve, union, and plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from heater (see Figure 13).
IMPORTANT:
location. The equipment shutoff valve is for turning on or shutting off the gas to the appliance.
Apply pipe joint sealant lightly to male NPT threads. This will prevent excess sealant from going into pipe. Excess sealant in pipe could result in clogged heater valves.
WARNING: Use pipe joint sealant that is resistant
to liquid petroleum (LP) gas.
We recommend that you install sediment trap in supply line as shown in Figure 13. Locate sediment trap where it is within reach for cleaning. Install in piping system between fuel supply and heater. Locate sediment trap where trapped matter is not likely to freeze. A sediment trap traps moisture and contaminants. This keeps them from going into heater controls. If sediment trap is not installed or is installed wrong, heater may not run properly.
IMPORTANT:
necting it to gas piping and/or fittings. Do not over tighten pipe connection to regulator. The regulator body could be damaged.
3/8" NPT Pipe Nipple
Ground Joint Union
Equipment Shutoff Valve*
Natural Gas
From Gas Meter (4" W.C. to 10.5" W.C. Pressure)
Propane/LP
From External Regulator (11" W.C. to 14" W.C. Pressure)
Figure 13 - Gas Connection
Install an equipment shutoff valve in an accessible
Hold pressure regulator with wrench when con-
Pressure Regulator
Heater Cabinet
Tee Joint
3" Minimum
Reducer Bushing to 1/8" NPT
1/8" NPT Plug Tap
Tee Joint
Pipe Nipple
Cap
Test Gauge Connection*
Sediment Trap
Connecting To Gas Supply (Cont.)
INSTALLATION
Checking Gas Connections
9
9
CHECKING GAS CONNECTIONS
WARNING: Test all gas piping and connections for leaks after installing or servicing. Correct all leaks at once.
WARNING: Never use an open flame to check for a leak. Apply a noncorrosive leak detection fluid to all joints. Bubbles forming show a leak. Correct all leaks at once.
CAUTION: For propane/LP gas, make sure exter­nal regulator has been installed between propane/LP supply and heater. See guidelines under
to Gas Supply
, pages 8 and 9.
Pressure Testing Gas Supply Piping System
Test Pressures In Excess Of 1/2 PSIG (3.5 kPa)
1. Disconnect appliance with its appliance main gas valve (control valve) and equipment shutoff valve from gas supply piping sys­tem. Pressures in excess of 1/2 psig will damage heater regulator.
2. Cap off open end of gas pipe where equipment shutoff valve was connected.
3. Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas or opening main gas valve located on or near gas meter for natural gas, or using com­pressed air.
4. Check all joints of gas supply piping system. Apply a noncorrosive leak detection fluid to all joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Reconnect heater and equipment shutoff valve to gas supply. Check reconnected fittings for leaks.
Connecting
* A CSA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional CSA design-certified equipment shutoff valve from your dealer. See Accessory, page 29.
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107902-01D
O
F I
INSTALLATION
10
Checking Gas Connections (Cont.)
INSTALLATION
Continued
Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa)
1. Close equipment shutoff valve (see Figure 14).
2. Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas or opening main gas valve located on or near gas meter for natural gas, or using compressed air.
3. Check all joints from gas meter for natural or propane/LP supply to equipment shutoff valve (see Figure 15 or 16). Apply a noncorrosive leak detection fluid to all joints. Bubbles forming show a leak.
4. Correct all leaks at once.
Pressure Testing Heater Gas Connections
1. Open equipment shutoff valve (see Figure 14).
2. Open main gas valve located on or near gas meter for natural gas or open propane/LP supply tank valve.
3. Make sure control knob of heater is in the OFF position.
4. Check all joints from equipment shutoff valve to control valve (see Figures 15 and 16). Apply a noncorrosive leak detection fluid to all joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Light heater (see Operating Heater pages 11 through 14). Check the rest of the internal joints for leaks.
7. Turn off heater (see To Turn Off Gas to Appliance, pages 12, 13 or 14, depending on your model).
8. Replace front panel.
Equipment Shutoff Valve
ON
Open
POSITI
Control Valve Location
Gas Meter
Equipment Shutoff Valve
Figure 15 - Checking Gas Joints for Natural Gas
Propane/LP Supply Tank
Control Valve Location
Equipment Shutoff Valve
Figure 16 - Checking Gas Joints for Propane/LP Gas
Figure 14 - Equipment Shutoff Valve
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