Desa GWP30T WMN20, WMP20, GP30 GN30T, GWP20 GWN20T Gas leak. See Warning statement at

Page 19

TROUBLESHOOTING

19

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/ticking noise just after burner is lit or shut off

1.Metal expanding while heating or con- tracting while cooling

1.This is common with most heaters. If noise is excessive, contact qualified ser- vice 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 at

 

 

top of page

1.Ventilate room. Stop using odor caus- ing products while heater is running

2.Refill supply tank

3.Locate and correct all leaks (see Check- ing Gas Connections, page 11)

Heater shuts off in use (ODS operates)

1.

Not enough fresh air is available

1.

Open window and/or door for ventilation

 

2.

Low line pressure

2.

Contact local natural or propane/LP gas

 

 

 

 

company

 

3.

ODS/pilot is partially clogged

3.

Clean ODS/pilot (see Cleaning and

 

 

 

 

Maintenance, page 16)

 

 

 

 

 

Gas odor even when control knob is in OFF

1.

Gas leak. See Warning statement at

1.

Locate and correct all leaks (see Check-

position

 

top of page

 

ing Gas Connections, page 11)

 

2.

Control valve defective

2.

Replace control valve

 

 

 

 

 

Gas odor during combustion

1.

Foreign matter between control valve

 

 

and burner

 

2.

Gas leak. See Warning statement at

 

 

top of page

1.Take apart gas tubing and remove for- eign matter

2.Locate and correct all leaks (see Check- ing Gas Connections, page 11)

Moisture/condensation noticed on windows 1. Not enough combustion/ventilation air

1. Refer to Air for Combustion and Venti-

 

lation requirements (page 4)

For more information, visit www.desatech.com

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Contents What to do if YOU Smell GAS GWN20T, GWP20T GWN30T, GWP30TSafety Information Table of ContentsUnpacking Safety Information Product IdentificationProduct Features Local CodesConfined and Unconfined Space AIR for Combustion and 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 Ventilation AIRVentilation Air From Outdoors Locating Heater InstallationInstallation Items Check GAS TypeRemoving Front Panel Of Heater Installing Heater to WallAttaching Thermostat Sensing Bulb Mounting BracketAttaching Mounting Bracket To Wall Marking Screw LocationsPlacing Heater On Mounting Bracket 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 SupplyPressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections Operating Heater Manual Control Models For Your Safety Read Before LightingLighting Instructions Shutting Off Burner Only pilot stays lit Manual Lighting ProcedureTo Turn OFF GAS to Appliance Shutting Off HeaterPilot Flame Pattern Inspecting HeaterThermostat Control Operation Cabinet Cleaning Maintenance Cleaning Burner Pilot AIR Inlet Burner Flame PatternObserved Problem Possible Cause TroubleshootingObserved Problem Possible Cause Remedy Gas leak. See Warning statement at Illustrated Parts Breakdown WMN20 WMP20 Description QTY Parts ListGWN30T, GWP30T GGN30T, GP30T GWN20T, GWP20T, GWN30T, GWP30T Technical Service SpecificationsReplacement Parts Service HintsOwners Registration Form Postage Required FAN Kits GA3250T AccessoriesParts Centrals Equipment Shutoff Valve GA5010Warranty Information