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DESA INTERNATIONAL

UNVENTED (VENT-FREE)

PROPANE GAS LOG HEATER

®

18", 24", and 30" Log Sets

Thermostat and Manually-Controlled Models

(Manually Control Models Also Designed Certified as Vented Decorative Appliance)

This appliance may be installed in an aftermarket* manufactured (mobile) home,

where not prohibited by state or local codes.

* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

OWNER’S OPERATION AND INSTALLATION MANUAL

WARNING: If the information in this manual
is not followed exactly, a fire or explosion
may result causing property damage, per-
sonal 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 per-

formed by a qualified installer, service
agency, or the gas supplier.

WARNING: Improper installation, ad-
justment, alteration, service, or
maintenance can cause injury or
property damage. Refer to this
manual for correct installation and
operational procedures. For assis-
tance or additional information con-
sult a qualified installer, service
agency, or the gas supplier.

WARNING: This gas log set is for
installation in a masonry solid fuel
burning fireplace, a U.L. listed manu-
factured solid fuel burning fireplace
or an AGA design certified vent-free
firebox listed for use with these gas
log models.

WARNING: This is an unvented gas-
fired heater. It uses air (oxygen) from
the room in which it is installed. Provi-
sions for adequate combustion and
ventilation air must be provided.
Refer to “Air for Combustion and
Ventilation” section in this manual.

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Содержание GAS LOG HEATER

Страница 1: ...ch 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 per formed by a qualified installer service agency or the gas supplier WARNING Improperinstallation ad justment alteration service or maintenance can cause injury or...

Страница 2: ... 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 Safety Information continues on next page Safety Information 2 Product Identification 4 Local Codes 4 Unpacking 4 ...

Страница 3: ...s ever appear to smoke turn off heater and call a qualified service person Note During initial operation slight smoking may occur due to log curing and heater burning manufacturing residues 10 Do not allow fans to blow directly into the fireplace Avoid any drafts that alter burner flame patterns Ceiling fans may create drafts that alter burner flame patterns Altered burner patterns can cause sooti...

Страница 4: ...ratedbybothrealisticflamesandglowingcoals This heater is designed for vent free operation with flue damper closed State and local codes in some areas prohibit the use of vent free heaters You can operate heater as a vented product by opening flue damper Safety Device This heater has a pilot with an Oxygen Depletion Sensor Shutoff System ODS The ODS pilot is a required feature for vent free room he...

Страница 5: ...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 continu ous water vapor retarder with a rating of one perm or less with open ings gasketed or ...

Страница 6: ...s heater ___________________ BTU Hr Gas fireplace logs ___________________ BTU Hr Other gas appliances ___________________ BTU Hr Total ___________________ BTU Hr Example Gas water heater 40 000 BTU Hr Vent free heater 33 000 BTU Hr Total 73 000 BTU Hr 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...

Страница 7: ...of ventilation grills or ducts WARNING ICON G 001 WARNING Rework worksheet adding the space of the adjoining unconfined space The combined spaces must have enough fresh air to supply all appliances in both spaces Figure 3 Ventilation Air from Outdoors Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two perma nent openings one within 12 of...

Страница 8: ...ure clothing or other flammable objects are less than 36 inches from the front top or sides of the heater in high traffic areas in windy or drafty areas WARNING ICON G 001 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 in the air such as tobacco smoke...

Страница 9: ...idth 18 17 14 20 14 24 17 14 26 18 30 17 14 32 22 MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size Side Wall Ceiling Floor 18 24 30 16 42 5 Carefully follow the instructions below This will ensure safe installation into a masonry or U L listed manufactured fireplace Minimum Wall and Ceiling Clearances see Figure 4 A Clearances from the side of the fireplace opening to any combustible ...

Страница 10: ...erial behind it Non combustible material must extend at least 8 up for all models If non combustible material is less than 12 you must install the fireplace hood accessory 24 and 30 models only See chart below and Figure 5 for minimum clearances IMPORTANT If you cannot meet these minimum clearances you must operate heater with chimney flue damper open Go to Installing Damper Clamp Accessory for Ve...

Страница 11: ...od accessory to deflect heat away from your mantel shelf See chart below and Figures 6 and 7 for minimum clearances IMPORTANT If you cannot meet these minimum clearances you must operate heater with chimney flue damper open Go to Installing Damper Clamp Accessory for Vented Operation page 13 Figure 6 Minimum Mantel Clearances Without Using Hood Non Combustible Requirements for Material Distance A ...

Страница 12: ...r level you must maintain the minimum distance of 14 to combustibles see Figure 8 Figure 8 Minimum Fireplace Clearances If Installed at Floor Level B If combustible materials are less than 14 to the fireplace you must install appliance at least 5 above the combustible flooring see Figure 9 Figure 9 Minimum Fireplace Clearances Above Combustible Flooring If your installation does not meet the above...

Страница 13: ...s number 1 or 2 above apply to you you must permanently open chimney flue damper You must install the damper clamp accessory to order see Accessories page 33 This will insure vented operation see Figure 10 The damper clamp will keep damper open Installation instructions are included with clamp accessory See chart below for minimum permanent flue opening you must provide Attach damper clamp so the ...

Страница 14: ... pipe joint sealant lightly to male threads of gas regulator Connect approved flexible gas hose to gas regulator of heater see Figure 11 IMPORTANT Hold gas regulator with wrench when connecting flexible gas hose 2 Locate mounting brackets bolts and nuts in hardware package Attach mounting brackets to heater base see Figure 12 Attach nuts finger tight 3 Position heater base assembly in fireplace 4 ...

Страница 15: ...he external regulator between the heater and propane supply Installation Items Needed Before installing heater make sure you have the items listed below external regulator supplied by installer see page 16 piping check local codes sealant resistant to LP gas manual shutoff valve test gauge connection sediment trap tee joint pipe wrench An A G A design certified manual shutoff valve with 1 8 NPT ta...

Страница 16: ... gauge hook up NPT tap must be upstream from heater see Figure 14 page 17 Apply pipe joint sealant lightly to male threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves WARNING ICON G 001 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...

Страница 17: ...s Supply Piping system Test Pressures In Excess Of 1 2 PSIG 1 Disconnect heater and its individual manual 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 manual shutoff valve was connected WARNING ICON G 001 WARNING Never use an open flame to check for a leak Apply a mixture of liquid soap and water to al...

Страница 18: ...bbles forming show a leak 4 Correct all leaks at once Pressure Testing Heater Gas Connections 1 Open manual shutoff valve see Figure 15 2 Open propane supply tank valve 3 Make sure control knob of heater is in the OFF position 4 Check all joints from manual shutoff valve to thermostat gas valve thermostat con trolled models or control valve manually controlled models see Figure 16 Apply mixture of...

Страница 19: ...tom of log are behind front burner see Figure 18 3 Place crossover log 3 into place see Figure 19 Be sure to place back of crossover log into notch on left side of rear log The indentation under front right fork of crossover log must rest on rectangular knob of front log 4 Place left front branch 4 and right front branch 5 24 and 30 models or front branch 4 18 model into place see Figure 20 Make s...

Страница 20: ...hegascontrolknob Neverusetools Iftheknob will not push in or turn by hand don t try to repair it call a qualified service technician or gas supplier Force or attempted repair may result in a fire or explosion D 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...

Страница 21: ...ermocouple Pilot Burner Ignitor Electrode Figure 22 Pilot 8 Turn control knob counterclockwise C clockwise to desired heating level The burners should light Set control knob to any heat level between HI and LO WARNING ICON G 001 CAUTION Do not try to adjust heating levels by using the manual shutoff valve TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1 Turn control knob clockwise Clockwise to t...

Страница 22: ...r attempted repair may result in a fire or explosion D 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 LIGHTING INSTRUCTIONS WARNING ICON G 001 WARNING If fireplace has glass doors never operate this heater with glass doors...

Страница 23: ...ess in and turn control knob clockwise Clockwise to the PILOT position 2 Press in control knob and turn clockwise Clockwise to the OFF position Shutting Off Burners Only pilot stays lit 1 Press in and turn control knob clockwise Clockwise to the PILOT position MANUAL LIGHTING PROCEDURE 1 Follow steps 1 through 5 under Lighting Instructions page 22 2 Depress control knob and light pilot with match ...

Страница 24: ...eater could produce increased levels of carbon monoxide If front burner flame pattern shows yellow tipping followinstructionsatbottomofthispage Yellowflameonrear burner is normal FRONT BURNER FLAME PATTERN Figure 27 shows correct front burner flame pattern Figure 28 shows incorrect front burner flame pattern The incorrect burner flame pattern shows yellow tipping at top of blue flame If front burn...

Страница 25: ...imilar object to clean ODS pilot This can damage ODS pilot unit POSSIBLE CAUSE 1 Ignitor electrode not connected to ignitor cable 2 Ignitor cable pinched or wet 3 Piezo ignitor nut is loose 4 Broken ignitor cable 5 Bad piezo ignitor 6 Ignitor electrode posi tioned wrong 7 Ignitor electrode broken REMEDY 1 Reconnect ignitor cable 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor c...

Страница 26: ...ten 1 4 turn more 7 Replace thermocouple 8 Replace control valve OBSERVED PROBLEM When ignitor button is pressed there is spark at ODS pilot but no ignition ODS pilot lights but flame goes out when control knob is released POSSIBLE CAUSE 1 Gas supply turned off or manual shutoff valve closed 2 Control knob not in PILOT position 3 Control knob not pressed in while in PILOT position 4 Air in gas lin...

Страница 27: ...5 2 Replace gas regulator 1 Problem will stop after a few hours of operation 1 Turn control knob to LO position and let warm up for a minute 2 Operate burners until air is removed from line Have gas line checked by local propane gas company 3 Observe minimum installation clearances see pages 10 13 4 Clean burners see Cleaning and Mainte nance page 25 or replace burner orifice s POSSIBLE CAUSE 1 In...

Страница 28: ...l valve defective 1 Foreign matter between control valve and burner 2 Gas leak See Warning statement at top of page 1 Thermostat sensing bulb needs to be repositioned REMEDY 1 This is common with most heaters If noise is excessive contact qualified service person 1 Open window to ventilate room Stop using odor causing products while heater is running 2 Refill supply tank 3 Locate and correct all l...

Страница 29: ...rmostat Sensing Bulb 1 Locate the gas valve assembly and thermostat sensing blub see Figure 29 2 The adhesive backed mounting clip see Figure 30 is attached to the thermostat sensing bulb Remove the adhesive backed mounting clip Figure 30 Adhesive backed Mounting Clip Figure 31 Removing Thermostat Sensing Bulb Capillary Screw Retaining Clamp Thermostat Sensing Bulb 3 With 5 16 hex driver or socket...

Страница 30: ...ive backed Mounting Clip Glass Doors Figure 34 Installing Thermostat Sensing Bulb behind Glass Doors Thermostat Sensing Bulb 5 The mounting clip must be a minimum of 3 from bottom of fireplace to prevent crimping of capillary Once you have decided on a location clean the area thoroughly Remove the paper backing from the adhesive on back of mounting clip Press the clip into the new location so that...

Страница 31: ...TIONS 18 Manually 24 Manually 30 Manually Controlled Controlled Controlled Btu Variable 8 000 14 000 10 000 17 000 11 000 18 000 26 000 33 000 36 000 Type Gas Propane Only Propane Only Propane Only Ignition Piezo Piezo Piezo Pressure Manifold 7 9 W C 7 9 W C 7 9 W C Inlet Gas Pressure in of water Maximum 14 14 14 Minimum 11 11 11 For purpose of input adjustment Shipping Weight 36 lbs 38 lbs 40 lbs...

Страница 32: ...tional have ready your name your address model number of your heater how heater was malfunctioning type of gas used propane or natural gas purchase date Usually we will ask you to return the defective part to the factory Parts Not Under Warranty Contact authorized dealers of this product If they can t supply original replacement part s call DESA International s Parts Department at 1 800 972 7879 f...

Страница 33: ...OFF VALVE GA5010 For all models Manual shutoff valve with 1 8 NPT tap Fits 1 2 NPT pipe BLACK FIREPLACE HOOD GA6050 For all models Helps deflect heat away from mantel or wall above fireplace BRASS FIREPLACE HOOD GA6052 For all models Helps deflect heat away from mantel or wall above fireplace LAVA ROCK GA6060 For all models Order when additional rock is desired 3 lb bag DAMPER CLAMP GA6080 For man...

Страница 34: ...34 101309 ILLUSTRATED PARTS BREAKDOWN Manually Controlled Models 6 7 8 9 10 11 8 8 27 13 12 13 14 15 16 18 17 19 20 21 22 23 24 25 26 27 6 28 29 30 7 1 7 2 10 1 10 2 1 2 3 4 5 ...

Страница 35: ...Base Assembly with decals 1 13 098271 06 098271 06 098271 06 Ignitor Cable 1 14 097159 02 097159 02 097159 02 Piezo Ignitor 1 15 098867 10 098867 10 098867 10 Gas Regulator 1 16 M11084 38 M11084 38 M11084 38 Screw 2 17 101011 02 101011 02 101011 02 Inlet Tube 1 18 098324 02 098324 02 098324 02 Control Knob 1 19 098462 02 098462 02 098462 02 Control Rod Assembly 1 20 098325 01 098325 01 098325 01 R...

Страница 36: ...36 101309 ILLUSTRATED PARTS BREAKDOWN Thermostat Controlled Models 31 6 25 6 7 8 9 10 11 8 8 29 13 12 13 14 15 16 18 17 19 24 26 27 7 1 7 2 29 22 23 21 28 20 30 3 1 2 4 5 10 1 10 2 ...

Страница 37: ...with decals 1 13 098271 06 098271 06 098271 06 Ignitor Cable 1 14 097159 02 097159 02 097159 02 Piezo Ignitor 1 15 098867 08 098867 08 098867 08 Gas Regulator 1 16 M11084 38 M11084 38 M11084 38 Screw 2 17 100996 01 100996 02 100996 03 Pipe Nipple 1 18 098324 02 098324 02 098324 02 Control Knob 1 19 099974 04 099974 04 099974 04 Control Rod 1 20 100000 01 100000 01 100000 01 Cotter Pin 1 21 101053 ...

Страница 38: ...38 101309 NOTES ...

Страница 39: ...39 101309 NOTES ...

Страница 40: ... instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective heater w...

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