Desa GMP16T, GMP26T, GMP20BT, GMP30BT installation manual See Cleaning and Mainte

Page 22

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Yellow flame during burner com-

1.

Not enough air

1.

Check burner for dirt and de-

bustion

 

 

 

bris. If found, clean burner

 

 

 

 

(see Cleaning and Mainte-

 

 

 

 

nance, page 19)

 

2.

Gas regulator defective

2.

Replace gas regulator

 

3.

Clogged or dirty burner

3.

Clean burner (see Cleaning

 

 

 

 

and Maintenance, page 19)

 

 

 

 

 

Slight smoke or odor during ini-

1.

Residues from manufactur-

1.

Problem will stop after a few

tial operation

 

ing processes

 

hours of operation

Heater produces a whistling noise when burner is lit

1.Turning control knob to HI or to position 5 when burner is cold

2.Air in gas line

3.Air passageways on heater blocked

4.Dirty or partially clogged burner orifice

1.Turn control knob to LO or position 1 and let warm up for a minute

2.Operate burner until air is re- moved from line. Have gas line checked by local propane/ LP gas company

3.Observe minimum installation clearances (see Figure 4, page 8)

4.Clean burner (see Cleaning and Maintenance, page 19) or replace burner orifice

White powder residue forming within burner box or on adjacent walls or furniture

1.When heated, vapors from furniture polish, wax, carpet cleaners, etc. may turn into white powder residue

1.Turn heater off when using furniture polish, wax, carpet cleaners, or similar products

22

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Safety Information Product Identification Local CodesUnusually Tight Construction AIR for Combustion VentilationProviding Adequate Ventilation Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location Determining if You Have a Confined or Unconfined SpaceCheck GAS Type InstallationVentilation AIR Ventilation Air From Inside BuildingInstallation Items Locating HeaterInstalling Heater to Wall Attaching To Wall Anchor Method 20,000 Btu/Hr ModelsPlacing Heater On Mounting Bracket Mounting Heater to Floor with Optional Floor KIT Installing Bottom Mounting ScrewsMounting Base Feet to Floor Where required by local code Mounting Base Feet to HeaterConnecting to GAS Supply Typical Inlet Pipe DiametersTest Pressures In Excess Of 1/2 Psig 3.5 kPa Pressure Testing GAS Supply Piping SystemChecking GAS Connections Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPaOperating Heater For Your Safety Read Before LightingPressure Testing Heater GAS Connections Manual Control Models Lighting InstructionsTo Select Heating Level for Infrared Heaters Manual Lighting ProcedureTo Turn OFF GAS To Appliance Thermostat Controlled Models Lighting Instructions Pilot Flame Pattern Inspecting HeaterThermostat Control Operation Control Knob GMP16TBurner Flame Pattern for Blue Flame Heaters Inpecting HeaterBurner Flame Pattern for Infrared Heaters Burner Pilot AIR Inlet Cleaning MaintenanceODS/PILOT and Burner CabinetTroubleshooting Observed Problem Possible Cause RemedyPressed See Cleaning and Mainte Gas leak. See Warning Statement aboveGMP30BT GMP20BT SpecificationsGMP16 GMP26 GMP16T GMP26T Service Publications Replacement Parts Service HintsTechnical Service AccessoriesIllustrated Parts Breakdown Models GMP16, GMP26, GMP16T, and GMP26TParts List Parts AVAILABLE-NOT ShownIllustrated Parts Breakdown and Parts List Models GMP16 and GMP26ODS/Pilot Burner Assembly GMP16T Models GMP16T and GMP26TModels GMP20BT and GMP30BT Parts Available not Shown Keep this Warranty Warranty InformationLimited Warranty VENT-FREE Residential GAS Heaters