Comfort Glow CGP28TB Installation Manual

Heater Sizes: 18,000 Btu/Hr Thermostat, and28,000 Btu/Hr Thermostat “B” Model HeatersWARNING: If the information in this manual is not followed exactl

10101810Figure 5 - Attaching Thermostat Sensing BulbFor convenience and efficiency, install heater• where there is easy access for operation, inspecti

11101810MountingBracketRemoving Front Panel Of Heater1. Remove two screws near bottom corners of front panel.2. Lift straight up on grill guard until

12101810Marking Screw Locations1. Tape mounting bracket to wall where heater will be located. Make sure mount-ing bracket is level.28,000 Btu/Hr Model

131018104. For thin walls (1/2" or less), insert red key into wall anchor. Push red key to“pop” open anchor wings. IMPORTANT: Do not hammer key!F

14101810CONNECTINGTO GASSUPPLYThe installer must supply an external regulator. The external regulator will reduceincoming gas pressure. You must reduc

15101810IMPORTANT: Hold pressure regulator with wrench when connecting it to gas pipingand/or fittings.ContinuedPressureRegulatorTee JointReducerBush

161018103. Pressurize supply piping system by either using compressed air oropening propane/LP supply tank valve.4. Check all joints of gas supply pip

17101810OPERATINGHEATERFOR YOUR SAFETY READ BEFORE LIGHTINGA. This appliance has a pilot which must be lighted by hand. When lightingthe pilot, follow

181018104. 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

19101810TO TURN OFF GAS TO APPLIANCEOPERATINGHEATER ContinuedShutting Off Heater1. Turn control knob clockwise Clockwise to the OFF position.2. Turn o

2101810CONTENTSSECTION PAGESafety Information ... 2Product Identification ...

20101810INSPECTINGBURNERCheck pilot flame pattern and burner flame pattern often.PILOT FLAME PATTERNFigure 19 shows a correct pilot flame pattern. Fig

21101810If pilot flame pattern is incorrect, as shown in Figure 20• turn heater off (see To Turn Off Gas to Appliance, page 19)• see Troubleshooting,

22101810CLEANINGANDMAINTENANCEODS/PILOT AND BURNER• Use a vacuum cleaner, pressurized air, or small, soft bristled brush to clean.CABINETAir Passagewa

23101810TROUBLE-SHOOTINGContinuedREMEDY1. Turn on gas supply oropen manual shutoffvalve2. Turn control knob toPILOT position3. Press in control knobwh

24101810TROUBLE-SHOOTINGContinuedOBSERVEDPROBLEMBurner does not lightafter ODS/pilot is litDelayed ignition ofburnerBurner backfiringduring combustion

25101810TROUBLE-SHOOTINGContinuedWARNING ICON G 001 WARNINGIf you smell gas• Shut off gas supply.• Do not try to light any appliance.• Do not touch an

26101810TECHNICALSERVICEYou may have further questions about installation, operation, or troubleshooting.If so, contact DESA International’s Technical

27101810Note: Use only original replacement parts. This will protect your warranty cover-age for parts replaced under warranty.Parts Under WarrantyCon

28101810123456789101011121314151617192021222324252627283031321812 ODS/Pilot Assembly31302912-112-2

29101810PARTS LISTThis list contains replaceable parts used in your heater. When ordering parts, followthe instructions listed under Replacement Parts

3101810SAFETYINFORMATIONContinuedWARNING ICON G 001 WARNINGS ContinuedWARNING: Any change to this heater or its controls can be dangerous.1. This appl

30101810ACCESSORIESMANUAL SHUTOFFVALVE - GA5010For all models. Manual shutoff valvewith 1/8" NPT tap.Purchase these heater accessories from your

31101810NOTES

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

4101810PRODUCTIDENTIFICATIONLOCAL CODESInstall and use heater with care. Follow all local codes. In the absence of localcodes, use the latest edition

5101810AIR FORCOMBUSTIONANDVENTILATIONWARNING ICON G 001 WARNINGThis heater shall not be installed in a confined space unlessprovisions are provided f

6101810AIR FORCOMBUSTIONANDVENTILATIONContinuedDETERMINING AIR FLOW FOR HEATER LOCATIONDetermining if You Have a Confined or Unconfined SpaceUse this

7101810AIR FORCOMBUSTIONANDVENTILATIONContinuedOr Remove Door into Adjoining Room, Option 3Ventilation Grills Into Adjoining Room,Option 212"12&q

8101810AIR FORCOMBUSTIONANDVENTILATIONContinuedFigure 3 - Ventilation Air from OutdoorsOutletAirVentilatedAttic OutletAirInletAirInlet AirVentilated C

9101810INSTALLINGTO WALLNOTICEA qualified service person must install heater. Follow all local codes.CHECK GAS TYPEUse only propane/LP gas. If your ga