Desa GMP26T, GMP20BT, GMP16T, GMP30BT Gas leak. See Warning, Statement above

Page 23

TROUBLESHOOTING

Continued

WARNING: If you smell gas

•Shut off gas supply.

•Do not try to light any appliance.

•Do not touch any electrical switch; do not use any phone in your building.

•Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

•If you cannot reach your gas supplier, call the fire department.

IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors.

OBSERVED PROBLEM POSSIBLE CAUSE

REMEDY

Heater produces a clicking/tick- ing noise just after burner is lit or shut off

1.Metal expanding while heat- ing or contracting while cooling

1.This is common with most heat- ers. If noise is excessive, con- tact qualified service person

Heater produces unwanted odors 1.

Heater burning vapors from

 

paint, hair spray, glues, etc.

 

(see important statement

 

above)

2.

Low fuel supply (propane/LP

 

gas only)

3.

Gas leak. See Warning

 

statement above

1.Ventilate room. Stop using odor causing products while heater is running

2.Refill supply tank

3.Locate and correct all leaks (see Checking Gas Connec- tions, page 13)

Heater shuts off in use (ODS op-

1. Not enough fresh air is avail-

1.

Open window and/or door for

erates)

 

able

 

ventilation

 

2.

Low line pressure

2.

Contact local propane/LP gas

 

 

 

 

company

 

3.

ODS/pilot is partially

3.

Clean ODS/pilot (see Cleaning

 

 

clogged

 

and Maintenance, page 19)

 

 

 

 

Gas odor even when control knob

1. Gas leak. See Warning

1.

Locate and correct all leaks

is in OFF position

 

statement above

 

(see Checking Gas Connec-

 

 

 

 

tions, page 13)

 

2.

Control valve defective

2.

Replace control valve

Gas odor during combustion

1.

Foreign matter between con-

 

 

trol valve and burner

 

2.

Gas leak. See Warning

 

 

statement above

1.Take apart gas tubing and re- move foreign matter

2.Locate and correct all leaks (see Checking Gas Connec- tions, page 13)

Moisture/condensation noticed on

1. Not enough combustion/ven-

1. Refer to Air for Combustion

windows

tilation air

and Ventilation requirements

 

 

(page 5)

113048-01C

www.desatech.com

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Local Codes Safety Information Product IdentificationConfined and Unconfined Space AIR for Combustion VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation Air From Inside Building InstallationVentilation AIR Check GAS TypeLocating Heater Installation ItemsInstalling Heater to Wall Placing Heater On Mounting Bracket 20,000 Btu/Hr ModelsAttaching To Wall Anchor Method Mounting Base Feet to Heater Installing Bottom Mounting ScrewsMounting Base Feet to Floor Where required by local code Mounting Heater to Floor with Optional Floor KITTypical Inlet Pipe Diameters Connecting to GAS SupplyTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Pressure Testing GAS Supply Piping SystemChecking GAS Connections Test Pressures In Excess Of 1/2 Psig 3.5 kPaManual Control Models Lighting Instructions For Your Safety Read Before LightingPressure Testing Heater GAS Connections Operating HeaterTo Turn OFF GAS To Appliance Manual Lighting ProcedureTo Select Heating Level for Infrared Heaters Thermostat Controlled Models Lighting Instructions Control Knob GMP16T Inspecting HeaterThermostat Control Operation Pilot Flame PatternBurner Flame Pattern for Infrared Heaters Inpecting HeaterBurner Flame Pattern for Blue Flame Heaters Cabinet Cleaning MaintenanceODS/PILOT and Burner Burner Pilot AIR InletObserved Problem Possible Cause Remedy TroubleshootingPressed See Cleaning and Mainte Statement above Gas leak. See WarningGMP16 GMP26 GMP16T GMP26T SpecificationsGMP30BT GMP20BT Accessories Service HintsTechnical Service Service Publications Replacement PartsModels GMP16, GMP26, GMP16T, and GMP26T Illustrated Parts BreakdownParts AVAILABLE-NOT Shown Parts ListModels GMP16 and GMP26 Illustrated Parts Breakdown and Parts ListModels GMP16T and GMP26T ODS/Pilot Burner Assembly GMP16TModels GMP20BT and GMP30BT Parts Available not Shown Limited Warranty VENT-FREE Residential GAS Heaters Warranty InformationKeep this Warranty
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