Desa 107434-01C User Manual

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S39NT
20,000 to 39,000 Btu/Hr
Thermostatically-
Controlled
VENT-FREE NATURAL GAS FREESTANDING PEDESTAL STOVE SYSTEM
OWNER’S OPERATION AND INSTALLATION MANUAL
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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.
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.
— 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.
WARNING: This is an unvented gas­fired 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
Air for Combustion and Ventilation
section on page 4 of this manual.
— 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
Save this manual for future reference.
Save this manual for future reference.
Save this manual for future reference.
TABLE OF CONTENTS SAFETY INFORMATION
2
TABLE OF CONTENTS
SAFETY INFORMATION ............................................................ 2
PRODUCT IDENTIFICATION ..................................................... 3
LOCAL CODES........................................................................... 3
UNPACKING............................................................................... 4
PRODUCT FEATURES .............................................................. 4
AIR FOR COMBUSTION AND VENTILATION ........................... 4
INSTALLATION ........................................................................... 6
OPERATING HEATER.............................................................. 13
INSPECTING BURNERS.......................................................... 15
CLEANING AND MAINTENANCE ............................................ 15
SAFETY INFORMATION
WARNINGS
WARNING ICON G 001
IMPORTANT: Read this owners 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.
SPECIFICATIONS .................................................................... 16
SERVICE HINTS....................................................................... 16
TECHNICAL SERVICE ............................................................. 16
TROUBLESHOOTING .............................................................. 17
ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST ....... 20
REPLACEMENT PARTS .......................................................... 24
ACCESSORIES ........................................................................ 24
OWNER'S REGISTRATION FORM .......................................... 25
PARTS CENTRALS .................................................................. 27
WARRANTY INFORMATION...................................... Back Cover
WARNING: Do not allow fans to blow directly into the heater. Avoid any drafts that alter burner flame patterns. Ceiling fans can create drafts that alter burner flame patterns. Altered burner patterns can cause sooting.
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, people with heart or lung disease or anemia, those under the influence of alcohol, and those at high altitudes.
Natural Gas: Natural gas is odorless. An odor-making agent is
added to the gas. The odor helps you detect a gas leak. However, the odor added to the gas can fade. 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 stove or its con-
trols can be dangerous.
WARNING: Do not use a blower insert, heat exchanger insert, or other accessory not approved for use with this heater.
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 in the stove.
Heater becomes very hot when running stove. Keep children and adults away from hot surfaces to avoid burns or clothing ignition. Stove will remain hot for a time after shutdown. Allow surfaces to cool before touching.
Carefully supervise young children when they are in the room with stove.
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107434-01C
SAFETY INFORMATION
Continued
SAFETY INFORMATION
PRODUCT IDENTIFICATION
LOCAL CODES
3
3
You must operate this heater with the heater screen in place. Make sure heater screen 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. 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
3. This heater shall not be installed in a bedroom or bathroom.
4. Do not use this heater as a wood-burning heater. Use only the logs provided with the heater.
5. Do not add extra logs or ornaments such as pine cones, ver­miculite, or rock wool. Using these added items can cause soot­ing. Do not add lava rock around base. Rock and debris could fall into the control area of heater.
6. To prevent the creation of soot, follow the instructions in Clean- ing and Maintenance, page 15.
7. Before using furniture polish, wax, carpet cleaners, 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.
8. 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 through 6. If heater keeps shutting off, see Trouble- shooting, pages 17 through 19.
9. Do not run heater
• where flammable liquids or vapors are used or stored
• under dusty conditions
10. Do not use this stove to cook food or burn paper or other objects.
11. Do not use heater if any part has been exposed to or 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.
12. Do not operate heater if any log is broken. Do not operate heater if a log is chipped (dime-sized or larger).
13. Turn heater off and let cool before servicing. Only a qualified service person should service and repair heater.
14. Operating heater above elevations of 4,500 feet could cause pilot outage.
15. Provide adequate clearances around air openings.
PRODUCT IDENTIFICATION
Stove Cabinet
Screen
Logs
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Heater Controls (Inside Door)
Figure 1 - Vent-Free Natural Gas Stove
LOCAL CODES
Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of The 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
This heater is designed for vent-free operation. State and local codes in some areas prohibit the use of vent-free heaters.
107434-01C
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UNPACKING PRODUCT FEATURES
4
Safety Pilot Piezo Ignition System
AIR FOR COMBUSTION AND VENTILATION
Providing Adequate Ventilation
UNPACKING
1. Remove top inner pack.
2. Tilt carton so that stove is upright.
3. Remove protective side packaging.
4. Slide stove out of carton.
5. Remove protective plastic wrap.
6. Remove screen by lifting and then pulling forward.
7. Remove log set by cutting plastic ties.
8. Carefully unwrap log.
9. Check for any shipping damage. If stove or log is damaged, promptly inform dealer where you bought stove.
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 through 6 will help you classify your
space and provide adequate ventilation.
PRODUCT FEATURES
SAFETY PILOT
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.
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 fuel-burning 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, heaters, 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.
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 e xposed to the outside atmosphere
have a continuous water vapor retarder with a rating of one perm (6 x 10 openings gasketed or sealed
b. weather stripping has been added on openable win-
dows and doors
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
From Outdoors
If your home does not meet all of the three criteria above, proceed to
tion,
page 5
, page 6
Determining Fresh-Air Flow For Heater Loca-
.
-11
kg per pa-sec-m2) or less with
and
and
Ventilation Air
.
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 unconfining 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.
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107434-01C
AIR FOR COMBUSTION AND VENTILATION
Continued
AIR FOR COMBUSTION AND VENTILATION
Determining Fresh-Air Flow for Heater Location
5
5
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) = 2560 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)
3. Add the Btu/Hr of all fuel burning appliances in the space.
* Do not include direct-vent gas appliances. Direct-vent draws com­bustion air from the outdoors and vents to the outdoors.
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:
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:
Space size 20 ft. (length) x 16 ft. (width) x 8 ft. (ceiling
can support)
2560 cu. ft. (volume of space) x 20 = 51,200 (maximum
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
Example:
Gas water heater _____________ Btu/Hr Vent-free heater + _____________ Btu/Hr Total = _____________ Btu/Hr
51,200 Btu/Hr (maximum the space can support) 69,000 Btu/Hr (actual amount of Btu/Hr used)
30,000 39,000 69,000
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, page 6.
B. Vent room directly to the outdoors. See Ventilation Air From Out-
doors, page 6.
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.
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
or applicable local codes.
107434-01C
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AIR FOR COMBUSTION AND VENTILATION
6
Ventilation Air
INSTALLATION
AIR FOR COMBUSTION AND VENTILATION
Continued
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:
into attic if attic has a thermostat-controlled power vent. Heated air entering the attic will activate the power vent.
Do not provide openings for inlet or outlet air
12"
Outlet Air
Ventilated Attic
Outlet Air
To Attic
To
Crawl
Space Inlet Air
Inlet Air
Ventilated
Crawl Space
Figure 3 - Ventilation Air from Outdoors
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.
Ventilation
Grills
Into Adjoining
Room,
Option 1
Or
Remove Door into Adjoining
Room, Option
3
Ventilation Grills
Into Adjoining Room,
12"
Option 2
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Figure 2 - Ventilation Air from Inside Building
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WARNING: A qualified service person must in-
stall heater. Follow all local codes.
WARNING: Never install the heater
in a bedroom or bathroom
in a recreational vehicle
where curtains, furniture, clothing, or other flam-
mable objects are less than 42 inches from the front, top, or sides of the heater
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.
107434-01C
INSTALLATION
Continued
INSTALLATION
Check Gas Type
Clearances to Combustibles
Connecting to Gas Supply
7
7
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 through 6.
CHECK GAS TYPE
Use only natural gas. If your gas supply is not natural gas, do not install heater. Call dealer where you bought heater for proper type heater.
CLEARANCES TO COMBUSTIBLES
(Vent-Free Operation Only)
WARNING: Maintain the minimum clearances. If you can, provide greater clearances from floor, ceil­ing, and adjoining side and back walls.
Carefully follow the instructions below. This stove is a freestanding unit designed to set directly on the floor. maintain minimum wall and ceiling clearances during installation. The minimum clearances are shown in Figure 4. Measure from outermost point of stove top.
Minimum Wall and Ceiling Clearances (see Figure 4)
A. Clearances from outermost point of stove top to any combus-
tible side wall should not be less than 12 inches.
B. Clearances from outermost point of stove top to any combus-
tible back wall should not be less than 6 inches (Includes cor­ner installations).
C. Clearances from the stove top to the ceiling should not be less
than 48 inches.
IMPORTANT:
You must
CONNECTING TO GAS SUPPLY
WARNING: A qualified service person must con-
nect heater to gas supply. Follow all local codes.
Installation Items Needed
Before installing heater, make sure you have the items listed below.
• piping (check local codes) • sediment trap
• sealant (resistant to propane/LP gas) • tee joint
• equipment shutoff valve * • pipe wrench
• 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 Accessories, page 24.
Side View
Front of Stove Unit
Gas Regulator Inlet Connection
Figure 5 - Gas Regulator Location and Gas Line Access Into Stove Cabinet
Back View
Front View
Ceiling
48"
Minimum
Side Wall Side Wall
12"
Minimum
12"
Minimum
Figure 4 - Minimum Clearance to Walls and Ceiling
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107434-01C
Side Wall Side Wall
Corner
Wall
Top View
12
Minimum
6
"
Minimum
Back Wall
"
6
Minimum
"
Wall
6
"
Minimum
12
Minimum
"
Ceiling
48"
Minimum
Side View
6"
Minimum
Back Wall
Front of
Stove Unit
Floor
INSTALLATION
8
Connecting to Gas Supply (Cont.) Checking Gas Connections
INSTALLATION
Continued
WARNING: Never connect heater to private (non­utility) gas wells. This gas is commonly known as wellhead gas.
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 1/2" diam­eter or greater to allow proper gas volume to heater. If pipe is too small, undue loss of volume will occur.
Installation must include an 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 6).
IMPORTANT:
Install equipment shutoff valve in an accessible 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.
CSA Design-Certified
From Gas Meter (5" W.C.** to
10.5" W.C. Pressure)
3" Minimum
Tee Pipe Joint Nipple Cap
Sediment Trap
Equipment Shutoff Valve With 1/8" NPT Tap*
Approved Flexible Gas Hose (if allowed by local codes)
Gas Regulator of Heater
We recommend that you install a sediment trap in supply line as shown in Figure 6. 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.
CAUTION: Avoid damage to regulator. Hold gas regulator with wrench when connecting it to gas piping and/or fittings.
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.
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 using compressed air or opening main gas valve located on or near gas meter.
4. Check all joints of gas supply piping system. Apply a noncor ­rosive leak detection fluid to gas 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.
Figure 6 - Gas Connection
* Purchase the optional CSA design-certified equipment shutoff
valve from your dealer. See Accessories, page 24.
**Minimum inlet pressure for purpose of input adjustment.
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107434-01C
INSTALLATION
ON
O S
Continued
Checking Gas Connections (Cont.)
INSTALLATION
Installing Logs
9
9
Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa)
1. Close equipment shutoff valve (see Figure 7).
2. Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter.
3. Check all joints from gas meter to equipment shutoff valve (see Figure 8). Apply a noncorrosive leak detection fluid to gas joints. Bubbles forming show a leak.
4. Correct all leaks at once.
Pressure Testing Heater Gas Connections
1. Open equipment shutoff valve (see Figure 7).
2. Open main gas valve located on or near gas meter.
3. Make sure control knob of heater is in the OFF position.
4. Check all joints from equipment shutoff valve to control valve (see Figure 8). Apply a noncorrosive leak detection fluid to gas joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Light heater (see Operating Heater, pages 13 and 14). Check all other internal joints for leaks.
7. Turn off heater (see To Turn Off Gas to Appliance, page 14).
Open
Equipment Shutoff Valve
POSIT
INSTALLING LOGS
WARNING: Failure to position the parts in accor­dance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury.
CAUTION: After installation and periodically there­after, check to ensure that no flame comes in contact with any log. With the heater set to High, check to see if flames contact any log. If so, reposition logs ac­cording to the log installation instructions in this manual. Flames contacting logs will create soot.
It is very important to install the logs exactly as instructed. Do not modify logs. Only use logs supplied with heater.
Place one-piece log set on grate to fit as illustrated in Figure 10. Make sure log sits flat on firebox floor (see Figure 9).
IMPORTANT:
Figure 10).
One Piece Log Set
Make sure log does not cover any burner ports (see
Figure 7- Equipment Shutoff Valve
Equipment Shutoff Valve
Gas Meter
Figure 8 - Checking Gas Joints
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107434-01C
Closed
PO
Control Valve Location
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Firebox Floor
Figure 9 - Installing One-Piece Log Set
One Piece Log Set
Burner Ports
Figure 10 - Installing One-Piece Log set (Top View)
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