Desa UNVENTED (VENT-FREE) PROPANE GAS LOG HEATER installation manual Trouble, Shooting, Continued

Page 27
One or both burners

TROUBLE-

 

OBSERVED

POSSIBLE

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEM

CAUSE

REMEDY

 

SHOOTING

 

 

 

 

 

 

 

 

 

 

 

 

One or both burners

1.

Inlet gas pressure is

1.

Contact local propane

 

Continued

 

 

 

do not light after

 

too low

 

gas company

 

 

 

ODS/pilot is lit

2.

Burner orifice(s)

2.

Clean burner(s) (see

 

 

 

 

 

clogged

 

Cleaning and Mainte-

 

 

 

 

 

 

 

nance, page 25) or

 

 

 

 

3.

Mislocated crossover

 

replace burner orifice(s)

 

 

 

 

3.

Contact qualified service

 

 

 

 

 

tube

 

person

 

 

 

 

4.

Burner orifice(s)

4.

Replace burner orifice(s)

 

 

 

 

 

diameter is too small

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Delayed ignition of

1.

Manifold pressure is

1.

Contact local propane

 

 

 

one or both burners

 

too low

 

gas company

 

 

 

 

2.

Burner orifice(s)

2.

Clean burner(s) (see

 

 

 

 

 

clogged

 

Cleaning and Mainte-

 

 

 

 

 

 

 

nance, page 25) or

 

 

 

 

3.

Mislocated crossover

 

replace burner orifice(s)

 

 

 

 

3.

Contact qualified service

 

 

 

 

 

tube

 

person

 

 

 

 

 

 

 

 

 

 

 

 

 

Burner backfiring

1.

Burner orifice is

1.

Clean burner (see

 

 

 

during combustion

 

clogged or damaged

 

Cleaning and Mainte-

 

 

 

 

 

 

 

nance, page 25) or

 

 

 

 

2.

Damaged burner

 

replace burner orifice

 

 

 

 

2.

Replace damaged burner

 

 

 

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

 

 

 

 

 

 

 

 

 

 

 

Yellow flame in front

1.

Not enough air

1.

Check burner(s) for dirt

 

 

 

burner during burner

 

 

 

and debris. If found,

 

 

 

combustion

 

 

 

clean burner(s) (see

 

 

 

 

 

 

 

Cleaning and Mainte-

 

 

 

 

2.

Gas regulator defective

 

nance, page 25)

 

 

 

 

2.

Replace gas regulator

 

 

 

 

 

 

 

 

 

 

 

 

Slight smoke or odor

1. Residues from manu-

1.

Problem will stop after a

 

 

 

during initial opera-

 

facturing processes

 

few hours of operation

 

 

 

tion

 

and logs curing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heater produces a

1. Turning control knob

1.

Turn control knob to LO

 

 

 

whistling noise when

 

to HI position when

 

position and let warm up

 

 

 

burners are lit

 

burners are cold

 

for a minute

 

 

 

 

2.

Air in gas line

2.

Operate burners until air

 

 

 

 

 

 

 

is removed from line.

 

 

 

 

 

 

 

Have gas line checked

 

 

 

 

 

 

 

by local propane gas

 

 

 

 

3.

Air passageways on

 

company

 

 

 

 

3.

Observe minimum

 

 

 

 

 

heater blocked

 

installation clearances

 

 

 

 

4.

Dirty or partially

 

(see pages 10-13)

 

 

 

 

4.

Clean burners (see

 

 

 

 

 

clogged burner

 

Cleaning and Mainte-

 

 

 

 

 

orifice(s)

 

nance, page 25) or

 

 

 

 

 

 

 

replace burner orifice(s)

 

 

 

 

 

 

 

 

 

 

 

Moisture/condensation

1. Not enough combus-

1. Refer to Air for Combus-

 

 

 

noticed on windows

 

tion/ventilation air

 

tion and Ventilation

 

 

 

 

 

 

 

requirements (page 5)

 

 

 

 

 

 

 

 

Continued 27

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

101309

Image 27
Contents UNVENTED VENT-FREE PROPANE GAS LOG HEATER OWNER’S OPERATION AND INSTALLATION MANUAL18, 24, and 30 Log Sets Thermostat and Manually-ControlledModelsSafety Information continues on next page CONTENTS SAFETY INFORMATIONWARNINGS DANGERSAFETY INFORMATIONContinued PRODUCT IDENTIFICATION LOCAL CODES UNPACKING PRODUCT FEATURESAIR FOR VENTILATIONCOMBUSTION Example 51,200 AIR FOR COMBUSTION AND VENTILATIONContinued DETERMINING AIR FLOW FOR HEATER LOCATIONContinued AIR FORVENTILATION COMBUSTIONINSTALLING ances from floor, ceiling, and adjoining wall ContinuedTO COMBUSTIBLE MATERIALS LOG SIZING REQUIREMENTSContinued INSTALLINGIf Not Using Mantel Safe InstallationNon Combustible If Using MantelSafe Installation ContinuedINSTALLING Continuedraise the mantel to an acceptable height, OR INSTALLING Continued3.You prefer vented operation Continued INSTALLINGINSTALLING HEATER BASE ASSEMBLY Installation Items NeededINSTALLING CONNECTING TO GAS SUPPLYContinued Vent Pointing Down INSTALLINGContinued Propane Supply Tank External RegulatorINSTALLING ContinuedCHECKING GAS CONNECTIONS Figure 15 - Manual Shutoff Valve INSTALLINGContinued Test Pressures Equal To or Less Than 1/2 PSIGINSTALLING INSTALLING LOGSContinued Thermostat- Controlled Models FOR YOUR SAFETY READ BEFORE LIGHTINGOPERATING HEATER LIGHTING INSTRUCTIONSThermostat MANUAL LIGHTING PROCEDUREOPERATING HEATERLIGHTING INSTRUCTIONS Manually-ControlledModelsFOR YOUR SAFETY READ BEFORE LIGHTING OPERATING HEATERsee Manual Lighting Procedure, below ModelsManually-Controlled MANUAL LIGHTING PROCEDUREINSPECTING BURNERS PILOT FLAME PATTERNFRONT BURNER FLAME PATTERN MAINTENANCE TROUBLESHOOTING CLEANINGContinued TROUBLE- SHOOTINGOne or both burners TROUBLESHOOTING ContinuedTROUBLE- SHOOTING ContinuedIf you smell gas Shut off gas supply OF THERMOSTAT OPTIONALPOSITIONING SENSING BULBOPTIONAL POSITIONING OF THERMOSTAT SENSING BULB For Masonry and Factory-built Metal FireplaceContinued SERVICE SERVICETECHNICAL HINTSREPLACEMENT PARTS Parts Under WarrantyParts Not Under Warranty BRASS FIREPLACE HOOD - GA6052 ACCESSORIESMANUAL SHUTOFF VALVE - GA5010 BLACK FIREPLACE HOOD - GA6050Manually-Controlled ILLUSTRATEDPARTS BREAKDOWNVL24P/CF24P PARTS LISTPART NUMBER FOR VL18P/CF18PThermostat ILLUSTRATEDPARTS BREAKDOWNVL24PT/CF24PT PARTS LISTPART NUMBER FOR VL18PT/CF18PT101309 101309 WARRANTY INFORMATION LIMITED WARRANTY VENT-FREEPROPANE GAS LOG HEATERSKEEP THIS WARRANTY