
OWNER’S OPERATION AND INSTALLATION MANUAL WA RNING : I mp r op e r i ns t al l at i on ,adjustment, alteration, service or mainte-
1 0Figure 15 -Equipment Shutoff ValveINSTALLATIONCHECKING GASCONNECTIONS WARNING: Test all gaspiping and connections for leaks
1 1Figure 17 - Control Knob In TheOFF PositionFigure 18 - PilotOPERATING YOUR HEATERTHERMOSTAT MODELS!LIGHTING!INSTRUCTIONS1. STOP! Rea
1 2OPERATING YOUR HEATERNON-THERMOSTAT MODELS!FOR YOUR SAFETY!READ BEFORE LIGHTING WARNING: If you do not followthese instructions exactly
1 3Figure 21 - Correct Pilot FlamePatternFigure 22 - Incorrect Pilot FlamePatternBURNER FLAME PATTERNFigure 23 shows a correct burnerflame
1 4TROUBLESHOOTINGNote: All troubleshootingitems are listed in order ofoperation.WARNING: Only a qualifiedservice person
1 5TROUBLESHOOTINGContinuedOBSERVED PROBLEMBur n e r ( s ) does not light afterODS/pilot is lit.Delayed ignition of burner(s).Burner backf
1 6TROUBLESHOOTINGContinuedWARNING: If you smell gas! Shut off gas supply.! Do not try to light any appliance.! Do not touch any electrical
1 7SPECIFICATIONSNote: Dimensions listed are outer most points on the heater (includes control knobs and grill).* For purposes of input
1 8ILLUSTRATEDPARTS BREAKDOWNTHERMOSTAT MODELSHB20TL HB30TL
1 9PARTS LISTTHERMOSTATMODELSHB20TL HB30TLThis list contains replaceable parts for your heater. When ordering replacementparts, follow t
2IMPORTANTSAFETY INFORMATIONKeep the appliance area clearan d fr e e f r om c om b u st i bl ematerials, gasoline, and ot
2 0ILLUSTRATED PARTSBREAKDOWNNON-THERMOSTAT MODELSHB20ML HB30ML
2 1PARTS LISTHB20MLHB30MLThis list contains replaceable parts for your heater. When ordering replacementparts, follow the instructions
2 2
3PRODUCT FEATURESSAFETY DEVICEA standard requirement for all vent-free roomheaters. This heater has a pilot with an OxygenDepletion Sensor(
4FRESH AIR FORCOMBUSTION ANDVENTILATIONPROVIDING ADEQUATEVENTILATIONThe following are excerpts fromNational Fuel Gas Code. NFPA 54/ANS Z223.1
5 WARNING: Rework worksheet, add-ing the space of the adjoiningunconfined space. The combined spacesmust have enough fre
6VENTILATION AIRVentilation Air From OutdoorsProvide extra fresh air by usingventilation grills or ducts: You mustprovi
7INSTALLATIONFigure 8 - Mounting BracketClearancesFigure 7 - Removing Lower FrontPanel Of HeaterFigure 4 -Mounting Clearances AsView From Front
8INSTALLATIONFigure 11 - Mounting Heater OntoMounting BracketFigure 9 - Folding AnchorFigure 10 - Popping Open AnchorWing For Thin WallsAttach
9INSTALLATIONCONNECTING TO GAS SUPPLY WARNING: A qualifiedservice person must connectheater to gas supply. Follow alll
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