Desa LEP) (V)L36(ZNR Burner backfiring during com, Bustion Damaged, Operation, Hours of operation

Page 31

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Burner backfiring during com-

1.

Burner orifice is clogged or

1.

Clean burner (see Cleaning

bustion

 

damaged

 

and Maintenance, page 28) or

 

2.

Damaged burner

 

replace burner orifice

 

2.

Replace damaged burner

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

 

 

 

Yellow flame in front burner dur-

1.

Not enough air

1.

Check burner(s) for dirt

ing burner combustion

 

 

 

and debris. If found, clean

 

 

 

 

burner(s) (see Cleaning and

 

2.

Gas regulator defective

 

Maintenance, page 28)

 

2.

Replace gas regulator

 

 

 

 

 

Slight smoke or odor during initial

1.

Residues from manufacturing

1.

Problem will stop after a few

operation

 

processes and logs curing

 

hours of operation

 

 

 

 

 

Heater produces a whistling noise

1.

Turning control knob to HI

1.

Turn control knob to LO po-

when burners are lit

 

position when burners are

 

sition and let warm up for a

 

 

cold

 

minute

 

2.

Air in gas line

2.

Operate burners until air is

 

 

 

 

removed from line. Have gas

 

 

 

 

line checked by local natural

 

 

 

 

or propane/LP gas company

 

3.

Air passageways on heater

3.

Observe minimum installa-

 

 

blocked

 

tion clearances (see pages 9

 

4.

Dirty or partially clogged

 

through 11)

 

4.

Clean burners (see Cleaning

 

 

burner orifice(s)

 

and Maintenance, page 28) or

 

 

 

 

replace burner orifice(s)

 

 

 

 

 

White powder residue forming

1.

When heated, vapors from

1.

Turn heater off when using

within burner box or on adjacent

 

furniture polish, wax, carpet

 

furniture polish, wax, carpet

walls or furniture

 

cleaners, etc. turn into white

 

cleaners or similar products

 

 

powder residue

 

 

Moisture/condensation noticed

1.

Not enough combustion/ven-

1.

Refer to Air for Combustion

on windows

 

tilation air

 

and Ventilation requirements

 

 

 

 

(page 7)

115254-01A

www.desatech.com

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Contents VL36EP, LEP VL32HN, LHNVL36EN, LEN VL32HP, LHPTable of Contents Safety Information Operation Product FeaturesBlower Accessory Local CodesModels Product SpecificationsLocating Firebox Planning42 Models Providing Adequate Ventilation AIR for Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation Air From Inside Building Ventilation AIRMinimum Wall and Ceiling Clearances see , InstallationInstallation Clearances Ventilation Air From OutdoorsExample BUILT-IN Firebox InstallationMinimum 16 inches from Side Wall Nails or Wood Screws Nailing Flanges Rough Opening for Installing WallInstalling Cabinet Mantel Installing Firebox Using Optional Accessory MantelsLower Louver Panel Installing Optional Blower AccessoriesDuplex Electrical Outlet Place control knob, provided, onto control shaft see Figure Wiring Diagram Decal 12 Front of BlowerTop View of Rod Layout HARD-WIRING FireboxInstalling Fireplace Hood and Screen Duplex Box Handy Box Strain ReliefInstallation Items Needed Connecting to GAS SupplyVent Pointing Down Propane/LP Checking GAS ConnectionsNatural Correct all leaks at once Test Pressures In Excess Of 1/2 Psig 3.5 kPaTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Supply TankChassis Post Installing LogsVintage Oak Two-Piece Log Set Log #2 Log #1 Front PostMetal Post Ember Bed Base AssemblyMetal PostLeft Front Log Right Front Log Operating FireplacePlace top left log on middle log as shown in Figure Top Left Log Top Right Log MiddleButton Lighting InstructionsPress in control knob and turn counter Control Knob IgnitorTo Turn OFF GAS To Appliance Manual Lighting ProcedureREMOTE-READY Models For Your Safety Read Before Lighting Variable Control OperationBe hot if heater has been running Optional HAND-HELD Remote Operation Follow instructions included with the remote controlControl Knob Flame Adjustment On Position Optional Remote ControlThermostat Series Model Ghrctb ON/OFF Series Model GhrcbPilot Flame Pattern Inspecting BurnersFront Burner Flame Pattern Cleaning Logs Cleaning MaintenanceBurner Injector Holder and Pilot AIR Inlet Hole Observed Problem Possible Cause Remedy TroubleshootingLong enough Clean ODS/pilot seeLow gas pressure Assembly LeasedBustion Damaged When burners are lit Position when burners areObserve minimum installa Burner backfiring during comGas leak. See Warning REMOTE-READY Models only SpecificationsWiring Diagram Maximum Minimum Shipping Weight 104 lbs 184 lbsParts Under Warranty Service HintsTechnical Service Replacement PartsAccessories Illustrated Parts Breakdown Parts Available not Shown Parts List46 39 Parts List 23/24 Not Shown 110314-05 Crossover Log Illustrated Parts Breakdown and Parts ListKEY LOG Part Numbers VL36 Models VL42 Models Description QTY Keep this Warranty Warranty InformationLimited Warranty VENT-FREE Fireplace
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