Desa 103426-01 Specifications, Replacement Parts, Service Hints, Technical Service

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SPECIFICATIONS

UNVENTED NATURAL GAS LOG HEATER

SPECIFICATIONS

 

18" Thermostat-

24" Thermostat-

30" Thermostat-

 

Controlled

Controlled

Controlled

Btu (Variable)

16,000/26,000

20,000/33,000

21,500/36,000

Type Gas

Natural Gas Only

Natural Gas Only

Natural Gas Only

Ignition

Piezo

Piezo

Piezo

Manifold Pressure

3.4" W.C.

3.4" W.C.

3.4" W.C.

Inlet Gas

 

 

 

Pressure (in. of water)

 

 

 

Maximum

10.5"

10.5"

10.5"

Minimum*

5"

5"

5"

* For purpose of input adjustment

 

 

Shipping Weight

26 lbs.

30 lbs.

34 lbs.

 

18" Variable

24" Variable

30" Variable

 

Manually-

Manually-

Manually-

 

Controlled

Controlled

Controlled

Btu (Variable)

16,000/26,000

20,000/33,000

21,500/36,000

Type Gas

Natural Gas Only

Natural Gas Only

Natural Gas Only

Ignition

Piezo

Piezo

Piezo

Manifold Pressure

3.4" W.C.

3.4" W.C.

3.4" W.C.

Inlet Gas

 

 

 

Pressure (in. of water)

 

 

 

Maximum

10.5"

10.5"

10.5"

Minimum*

5"

5"

5"

* For purpose of input adjustment

 

 

Shipping Weight

26 lbs.

30 lbs.

34 lbs.

REPLACEMENT PARTS

Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty.

Parts Under Warranty

Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA International’s Techni- cal Service Department at 1-800-323-5190.

When calling DESA International, have ready

your name

your address

model number of your heater

how heater was malfunctioning

type of gas used (propane or natural gas)

purchase date

Usually, we will ask you to return the defec- tive part to the factory.

Parts Not Under Warranty

Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA International’s Parts Department at 1-800-972-7879 for referral information.

When calling DESA International, have ready

model number of your heater

the replacement part number

SERVICE HINTS

When gas pressure is too low

pilot will not stay lit

burners will have delayed ignition

heater will not produce specified heat

When gas quality is bad

pilot will not stay lit

burners will produce flames and soot

heater will backfire when lit

You may feel your gas pressure is too low or gas quality is bad. If so, contact your local natural gas supplier.

TECHNICAL

SERVICE

You may have further questions about in- stallation, operation, or troubleshooting.

If so, contact DESA International’s Techni- cal Service Department at

1-800-DESA LOG (1-800-337-2564).

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103426

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Contents DESA INTERNATIONAL OWNER’S OPERATION AND INSTALLATION MANUALwhere not prohibited by state or local codes —WHAT TO DO IF YOU SMELL GASUNVENTED NATURAL GAS LOG HEATER SAFETY INFORMATIONWARNINGS PRODUCT IDENTIFICATION PRODUCT FEATURESSafety Device LOCAL CODESDETERMINING AIR FLOW FOR HEATER LOCATION AIR FOR COMBUSTION AND VENTILATIONPROVIDING ADEQUATE VENTILATION Unusually Tight ConstructionVentilation Air From Inside Building ContinuedVENTILATION AIR Ventilation Air From OutdoorsIf Not Using Mantel INSTALLATIONINSTALLATION AND CLEARANCES CHECK GAS TYPEDetermining Minimum Mantel Clearance If Using MantelMantel Clearances INSTALLATIONUNVENTED NATURAL GAS LOG HEATER Floor ClearancesINSTALLATION ContinuedINSTALLATION INSTALLING HEATER BASE ASSEMBLYInstallation Items Needed ContinuedInstallation Items Needed CONNECTING TO GAS SUPPLYINSTALLATION UNVENTED NATURAL GAS LOG HEATERCHECKING GAS CONNECTIONS Pressure Testing Gas Supply Piping SystemPressure Testing Heater Gas Connections Test Pressures In Excess Of 1/2 PSIGUNVENTED NATURAL GAS LOG HEATER INSTALLING LOGS American Oak Design ModelsINSTALLATION ContinuedFigure 22 - Installing Bottom Middle Log INSTALLING LOGS Split Oak Design ModelsINSTALLATION Figure 24 - Installing Top Log #4READ BEFORE LIGHTING Thermostat-ControlledModels FOR YOUR SAFETYOPERATING HEATER LIGHTING INSTRUCTIONSThermostat Controlled Models MANUAL LIGHTING PROCEDUREManually-ControlledModels FOR YOUR SAFETY TO TURN OFF GAS TO APPLIANCEVARIABLE CONTROL OPERATION INSPECTING BURNERSManually-ControlledModels PILOT FLAME PATTERNODS/PILOT AND BURNERS CLEANING AND MAINTENANCEFRONT BURNER FLAME PATTERN LOGSPOSSIBLE CAUSE TROUBLESHOOTINGOBSERVED PROBLEM REMEDYMaintenance, page TROUBLESHOOTINGOBSERVED PROBLEM ContinuedMaintenance, page TROUBLESHOOTINGOBSERVED PROBLEM UNVENTED NATURAL GAS LOG HEATEROPTIONAL POSITIONING OF THERMOSTAT SENSING BULB For Masonry and Factory- built Metal FireplaceSERVICE HINTS SPECIFICATIONSREPLACEMENT PARTS TECHNICAL SERVICEBLACK FIREPLACE HOOD - GA6050 ACCESSORIESMANUAL SHUTOFF VALVE - GA5010 BRASS FIREPLACE HOOD - GA6052CFS18NVB VS24NVB CFS24NVB VS30NVB CFS30NVB ILLUSTRATED PARTS BREAKDOWN4Variable Manually Controlled Models VS18NVB UNVENTED NATURAL GAS LOG HEATERPART NUMBER FOR PARTS LISTVariable Manually-ControlledSplit Oak Models VS18NVB/CFS18NVBILLUSTRATED PARTS BREAKDOWN UNVENTED NATURAL GAS LOG HEATERPART NUMBER FOR Thermostat-ControlledSplit Oak ModelsPARTS LIST VS18NTAVL30NV ILLUSTRATED PARTS3 BREAKDOWNVariable Manually-Controlled Models VL18NV VL24NV UNVENTED NATURAL GAS LOG HEATERPART NUMBER FOR Variable Manually-ControlledAmerican Oak ModelsPARTS LIST VL18NVUNVENTED NATURAL GAS LOG HEATER Page WARRANTY INFORMATION LIMITED WARRANTY VENT-FREENATURAL GAS LOG HEATERSNOT A UPC