Desa CBN20 Troubleshooting, Continued, Observed Problem, Possible Cause, Remedy

Page 19
ing Gas Connections, page 12)

TROUBLESHOOTING

19

TROUBLESHOOTING

Continued

1. Refer to Air for Combustion and Venti- 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 12)

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 15)

 

 

 

 

 

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 12)

 

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 12)

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

1. Refer to Air for Combustion and Venti-

 

lation requirements (page 4)

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107882-01F

Image 19
Contents UNVENTED VENT-FREE BLUE FLAME GAS HEATER CBN20, CBP20 CBN20T, CBP20T CBN30T, CBP30TCBT20NT, CBT20PT CBT30NT, CBT30PT CBN20TK, CBP20TKSAFETY INFORMATION TABLE OF CONTENTSWARNINGS UNPACKING PRODUCT FEATURESPRODUCT IDENTIFICATION LOCAL CODESConfined and Unconfined Space AIR FOR COMBUSTION AND VENTILATIONPROVIDING ADEQUATE VENTILATION Unusually Tight ConstructionAIR FOR COMBUSTION AND VENTILATION ContinuedAIR FOR COMBUSTION AND VENTILATION Ventilation Air From Outdoors AIR FOR COMBUSTION AND VENTILATIONContinued Ventilation Air From Inside BuildingLOCATING HEATER INSTALLATIONINSTALLATION ITEMS CHECK GAS TYPEMounting Bracket INSTALLATIONContinued Attaching Thermostat Sensing BulbPlacing Heater On Mounting Bracket INSTALLATIONContinued Attaching Mounting Bracket To WallMounting Base Feet to Heater INSTALLATIONInstalling Bottom Mounting Screws ContinuedCONNECTING TO GAS SUPPLY INSTALLATIONContinued Continued INSTALLATIONPressure Testing Gas Supply Piping System Pressure Testing Heater Gas ConnectionsFOR YOUR SAFETY READ BEFORE LIGHTING OPERATING HEATERLIGHTING INSTRUCTIONS Shutting Off Heater INSPECTING HEATEROPERATING HEATER ContinuedAir Passageways CLEANING AND MAINTENANCEINSPECTING HEATER ContinuedSERVICE PUBLICATIONS SPECIFICATIONSSERVICE HINTS TECHNICAL SERVICEREMEDY TROUBLESHOOTINGOBSERVED PROBLEM POSSIBLE CAUSEContinued TROUBLESHOOTINGOBSERVED PROBLEM Maintenance, pageContinued TROUBLESHOOTINGOBSERVED PROBLEM Maintenance, pageCBP20 ILLUSTRATED PARTS BREAKDOWNMODELS CBN20CBN20 PARTS LISTPARTS LIST PART NUMBER FORILLUSTRATED PARTS BREAKDOWN CBN20T PARTS LISTPARTS LIST PART NUMBER FORCBT30NT, CBT30PT ILLUSTRATED PARTS BREAKDOWNMODELS CBT20NT, CBT20PTCBT20NT PARTS LISTPARTS LIST PART NUMBER FORPARTS NOT UNDER WARRANTY REPLACEMENT PARTSACCESSORIES PARTS UNDER WARRANTYOWNERS REGISTRATION FORM 2701 Industrial Drive P.O. Box Bowling Green, KY Postage RequiredTAPE TAPEEast Coast Energy PARTS CENTRALSLaportes Parts & Service Baltimore ElectricModel Serial No Date Purchased NOT A UPCWARRANTY INFORMATION LIMITED WARRANTY VENT-FREERESIDENTIAL GAS HEATERS