Desa A User Manual

Save this manual for future reference.VENT-FREE PROPANEGAS LOG HEATEROWNER’S OPERATION AND INSTALLATION MANUALShown with OptionalHearth Base and Mante

10101048FRESH AIRFORCOMBUSTIONANDVENTILATIONContinuedVENTILATION AIRVentilation Air From Inside BuildingThis fresh air would come from an adjoining un

11101048FRESH AIRFORCOMBUSTIONANDVENTILATIONContinuedVENTILATION AIR (Continued)Ventilation Air From OutdoorsProvide extra fresh air by using ventilat

12101048INSTALLATIONCHECK GAS TYPEUse only propane gas. If your gas supply is not propane, do not install heater. Calldealer where you bought heater f

1310104836"5"FLOORCEILINGMinimumMinimum To Top Surface Of Carpeting, Tile Or OtherCombustible Material6"MinimumFromSides OfHeaterLeftSi

14101048INSTALLATION OPTIONSThere are three options for mounting this heater.A. Mounting heater to wallB. Mounting heater to optional hearth baseC. Mo

15101048INSTALLATIONContinuedAttaching Mounting Bracket to WallNote: Wall anchors, mounting screws, and spacers are in hardware package. Thehardware p

16101048Installing Bottom Mounting Screws1. Locate two bottom mounting holes. These holes are near bottom on back panelof heater (see Figure 17).2. Ma

17101048Mounting Heater to Optional Hearth Base1. Lay heater on its back on a table with the bottom of heater overhanging the edgeof the table.2. Remo

18101048INSTALLATIONContinuedC. MOUNTING HEATER WITH OPTIONAL HEARTH BASE TO OPTIONALMANTEL (The following instructions are for GMF800(A)/GMU801(A) mo

19101048Installing Mantel to HeaterBefore installing mantel to heater, the heater must be mounted on the optionalhearth base. See Mounting Heater on O

2101048CONTENTSSECTION PAGESafety Information continues on next pageSafety Information ...

20101048CONNECTINGTO GASSUPPLYFigure 24 - External Regulator with Vent Pointing DownNOTICEA qualified service person must connect heater to gas supply

21101048IMPORTANT: Hold pressure regulator with wrench when connecting it to gas pipingand/or fittings.CHECKINGGASCONNECTIONSPRESSURE TESTING GAS SUP

22101048ONPOSITIONOFFPOSITION3. Pressurize supply piping system by either using compressed air oropening propane supply tank valve.4. Check all joints

23101048OPERATINGHEATERFOR YOUR SAFETY READ BEFORE LIGHTINGContinuedWARNING ICON G 001 WARNINGIf you do not follow these instructions exactly, a fire

241010484. Wait five (5) minutes to clear out any gas. Then smell for gas, includingnear the floor. If you smell gas, STOP! Follow “B” in the safety i

25101048TO TURN OFF GAS TO APPLIANCEShutting Off Heater1. Turn control knob clockwise Clockwise to the OFF position.2. Turn off all electric power to

26101048INSPECTINGBURNERThermocouplePilot BurnerFigure 30 - Correct Pilot Flame PatternThermocouplePilot BurnerFigure 31 - Incorrect Pilot Flame Patte

27101048BURNER FLAME PATTERNFigure 32 shows a correct burner flame pattern. Figure 33 shows an incorrectburner flame pattern. The incorrect burner fla

28101048CLEANINGANDMAINTENANCEODS/PILOT AND BURNER• Use a vacuum cleaner, pressurized air, or small, soft bristled brush to clean.CABINETAir Passagewa

29101048ContinuedREMEDY1. Turn on gas supply oropen manual shutoffvalve2. Turn control knob toPILOT position3. Press in control knobwhile in PILOTposi

3101048SAFETYINFORMATIONContinued WARNING ICON G 001 WARNINGS ContinuedWARNING: Any change to this heater or its controls can be dangerous.1. Use only

30101048TROUBLE-SHOOTINGContinuedOBSERVEDPROBLEMBurner does not lightafter ODS/pilot is litDelayed ignition ofburnerBurner backfiringduring combustion

31101048TROUBLE-SHOOTINGContinuedWARNING ICON G 001 WARNINGIf you smell gas• Shut off gas supply.• Do not try to light any appliance.• Do not touch an

32101048TECHNICALSERVICEYou may have further questions about installation, operation, or troubleshooting.If so, contact DESA International’s Technical

33101048These Parts Centrals are privately owned businesses. They have agreed to supportour customer’s needs by providing original replacement parts a

34101048ACCESSORIESPurchase these heater accessories from your local dealer. If they can not supplythese accessories, either contact your nearest Part

35101048ACCESSORIESSTANDARD MANTELUnfinished - GMU801(A)Finished - GMF800(A)For use with heater and hearth base. Areal oak mantel offers compact styli

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37101048PARTS LISTThis list contains replaceable parts used in your heater. When ordering parts, followthe instructions listed under Replacement Parts

38101048NOTES_________________________________________________________________________________________________________________________________________

39101048NOTES_________________________________________________________________________________________________________________________________________

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KEEP THIS WARRANTYWARRANTY INFORMATIONAlways specify model and serial numbers when communicating with the factory.We reserve the right to amend these

5101048ASSEMBLYASSEMBLING HEATERTools Required: Phillips screwdriver, 5/16" hex wrench, and slotted screwdriverRemoving Front Panel Of Heater1. R

6101048WARNING ICON G 001 WARNINGAlways have burner shield and screen in place before operatingheater. This prevents excessive temperatures on heater

7101048ASSEMBLYContinuedAssembling and Attaching Brass Trim1. Remove packaging from three remaining pieces of brass trim.2. Locate four brass screws,

8101048FRESH AIRFORCOMBUSTIONANDVENTILATIONWARNING ICON G 001 WARNINGThis heater must have fresh air for proper operation. If not, poorfuel combustion

9101048FRESH AIRFORCOMBUSTIONANDVENTILATIONContinuedDETERMINING FRESH-AIR FLOW FOR HEATER LOCATIONDetermining if You Have a Confined or Unconfined Spa