BLUE-FLAME VENT-FREENATURAL GAS HEATEROWNER’S OPERATION AND INSTALLATION MANUALHeater Sizes: 18,000 BTU/Hr Non-Thermostat,18,000 BTU/Hr Thermostat, an
10099569Figure 5 - Attaching Thermostat Sensing BulbClampThermostatSensing BulbFor convenience and efficiency, install heater• where there is easy acc
11099569INSTALLING HEATER TO WALLMounting BracketThe mounting bracket is located on back panel of heater. It has been taped there forshipping. Remove
12099569Marking Screw Locations1. Tape mounting bracket to wall where heater will be located. Make sure mount-ing bracket is level.28,000 BTU/Hr Model
130995694. 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
14099569CONNECTINGTO GASSUPPLYNOTICEA qualified service person must connect heater to gas supply.Follow all local codes.Typical Pipe Diameters18,000 B
15099569IMPORTANT: Hold pressure regulator with wrench when connecting it to gas pipingand/or fittings.PressureRegulatorTee JointReducerBushing to1/8
16099569ONPOSITIONOFFPOSITION4. Check all joints of gas supply piping system. Apply mixture of liquid soap andwater to gas joints. Bubbles forming sho
17099569OPERATINGHEATERThermostat ModelsFOR YOUR SAFETY READ BEFORE LIGHTINGA. This appliance has a pilot which must be lighted by hand. When lighting
180995694. 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
19099569TO TURN OFF GAS TO APPLIANCEOPERATINGHEATERThermostat ModelsContinuedShutting Off Heater1. Turn control knob clockwise Clockwise to the OFF po
2099569CONTENTSSECTION PAGESAFETYINFORMATIONWARNING ICON G 001 WARNINGSIMPORTANT: Read this owner’s manual carefully and completely beforetrying to as
20099569OPERATINGHEATERNon-ThermostatModelFOR YOUR SAFETY READ BEFORE LIGHTINGA. This appliance has a pilot which must be lighted by hand. When lighti
210995694. 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
22099569Shutting Off Heater1. Turn control knob clockwise Clockwise to the PILOT position.2. Press in control knob and turn clockwise Clockwise to the
230995691/2 GLASS HEIGHTINCORRECT FLAME PATTERNAT HIGH POSITIONIf pilot flame pattern is incorrect, as shown in Figure 21• turn heater off (see To Tur
24099569CLEANINGANDMAINTENANCEODS/PILOT AND BURNER• Use a vacuum cleaner, pressurized air, or small, soft bristled brush to clean.CABINETAir Passagewa
25099569REMEDY1. Turn on gas supply oropen manual shutoffvalve2. Turn control knob toPILOT position3. Press in control knobwhile in PILOTposition4. Co
26099569TROUBLE-SHOOTINGContinuedOBSERVEDPROBLEMBurner does not lightafter ODS/pilot is litDelayed ignition ofburnerBurner backfiringduring combustion
27099569TROUBLE-SHOOTINGContinuedWARNING ICON G 001 WARNINGIf you smell gas• Shut off gas supply.• Do not try to light any appliance.• Do not touch an
28099569TECHNICALSERVICEYou may have further questions about installation, operation, or troubleshooting.If so, contact DESA International’s Technical
29099569REPLACEMENTPARTSNote: Use only original replacement parts. This will protect your warranty cover-age for parts replaced under warranty.Parts U
3099569SAFETYINFORMATIONContinuedWARNING ICON G 001 WARNINGS ContinuedWARNING: Any change to this heater or its controls can be dangerous.1. Use only
30099569ACCESSORIESPurchase these heater accessories from your local dealer. If they can not supplythese accessories, either contact your nearest Part
31099569ILLUSTRATEDPARTS LISTManual Control18,000 BTU/Hr Non-Thermostat Model(Parts list on page 33)12 ODS/Pilot Assembly(Parts list on page 33)262434
320995691234567891010111213141516171920212223242526272830313218NOTE: Thermostat Gas ValveShown. See page 31 forManual Control Valve.
33099569PARTS LISTThis list contains replaceable parts used in your heater. When ordering parts, followthe instructions listed under Replacement Parts
34099569NOTES
35099569NOTES
LIMITED WARRANTYBLUE-FLAME VENT-FREE NATURAL GAS HEATERSDESA International warrants this product to be free from defects in materials and components f
4099569PRODUCTIDENTIFICATIONLOCAL CODESInstall and use heater with care. Follow all local codes. In the absence of localcodes, use the latest edition
5099569FRESH AIRFORCOMBUSTIONANDVENTILATIONWARNING ICON G 001 WARNINGThis heater must have fresh air for proper operation. If not, poorfuel combustion
6099569FRESH AIRFORCOMBUSTIONANDVENTILATIONContinuedWARNING ICON G 001 WARNINGYou must provide additional ventilation air in a confined space.DETERMIN
7099569FRESH AIRFORCOMBUSTIONANDVENTILATIONContinuedVENTILATION AIRVentilation Air From Inside BuildingThis fresh air would come from an adjoining unc
8099569FRESH AIRFORCOMBUSTIONANDVENTILATIONContinuedVENTILATION AIR (Continued)Ventilation Air From OutdoorsProvide extra fresh air by using ventilati
9099569INSTALLINGTO WALLNOTICEA qualified service person must install heater. Follow all local codes.CHECK GAS TYPEUse only natural gas. If your gas s
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