Desa UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE Technical Service Service Hints

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TECHNICAL

TECHNICAL

SERVICE

SERVICE

HINTS

REPLACEMENT PARTS

SPECIFICATIONS

30

You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564).

When gas pressure is too low

pilot will not stay lit

burners will have delayed ignition

fireplace will not produce specified heat

When gas quality is bad

pilot will not stay lit

burners will produce flames and soot

fireplace 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.

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 Technical Service Department at 1-800-DESA LOG (1-800-337-2564).

When calling DESA International, have ready

your name

your address

model number of your fireplace

how fireplace was malfunctioning

type of gas used (propane or natural gas)

purchase date

Usually, we will ask you to return the defective 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 informa- tion.

When calling DESA International, have ready

model number of your fireplace

the replacement part number

BTU (Variable)

20,000/26,500

Type Gas

Natural Gas Only

Ignition

Piezo

Pressure Regulator

3.5" W.C.

Setting

 

Inlet Gas

 

Pressure (in. of water)

 

Maximum

10.5"

Minimum

5"

Shipping Weight

89 lbs.

101742

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Contents OWNER’S OPERATION AND INSTALLATION MANUAL Save this manual for future referenceUNVENTED VENT-FREENATURAL GAS FIREPLACE DANGER CONTENTS SAFETY INFORMATIONWARNINGS Safety Information continues on next pageSAFETY INFORMATIONContinued PRODUCT IDENTIFICATION Figure 1 - Log Base AssemblyFigure 2 - Fireplace Operation LOCAL CODES UNPACKING PRODUCT FEATURESSafety Device Piezo Ignition SystemAIR FOR COMBUSTION AND VENTILATION PROVIDING ADEQUATE VENTILATIONCOMBUSTION AIR FORVENTILATION ContinuedVENTILATION AIR AIR FOR COMBUSTION AND VENTILATIONContinued Ventilation Air from Inside BuildingINSTALLING NOTICEContinued INSTALLING ContinuedASSEMBLING AND ATTACHING BRASS TRIM Continued INSTALLINGINSTALLATION CLEARANCES CONVENTIONAL FIREPLACE INSTALLATIONINSTALLING Continuedheads and putty over Continued INSTALLINGBUILT-INFIREPLACE INSTALLATION ContinuedContinued INSTALLINGFigure 13 - Attaching Nailing Flange Accessory 39 3/8 27 7/8 35 1/2 55 5/8Continued INSTALLINGMantel Clearances for Built-InInstallation ContinuedInstallation Items Needed INSTALLINGINSTALLING GAS PIPING TO FIREPLACE LOCATION NOTICEInstallation Items Needed INSTALLINGCONNECTING FIREPLACE TO GAS SUPPLY ContinuedNOTICE G 001WARNINGINSTALLING ContinuedContinued INSTALLINGPressure Testing Fireplace Gas Connections ContinuedFigure 21 - Installing Rear Log INSTALLINGINSTALLING LOGS Figure 22 - Installing Front LogContinued INSTALLINGFigure 23 - Installing Crossover Log ContinuedINSTALLING FOR YOUR SAFETY READ BEFORE LIGHTINGOPERATING FIREPLACE ContinuedNOTICE OPERATINGFIREPLACE LIGHTING INSTRUCTIONSVARIABLE OUTPUT CONTROL OPERATION MANUAL LIGHTING PROCEDURETO TURN OFF GAS TO APPLIANCE OPERATING FIREPLACENOTICE INSPECTINGBURNERS PILOT FLAME PATTERNCLEANING AND MAINTENANCE TROUBLE SHOOTING ODS/PILOT AND BURNERSLOGS Continued TROUBLE- SHOOTINGCleaning and Mainte ContinuedCleaning and Mainte TROUBLE SHOOTINGCleaning and Mainte Cleaning and MainteContinued TROUBLESHOOTING leaks see Checking GasWhen gas pressure is too low TECHNICAL SERVICE SERVICE HINTSREPLACEMENT PARTS SPECIFICATIONS When gas quality is badGMC12U - Unfinished ACCESSORIESCABINET MANTEL GMC11F - Walnut Finished HEARTH BASE GC3333F- Walnut FinishedPARTS Log Base AssemblyILLUSTRATED BREAKDOWNPART NUMBER PARTS LISTLog Base Assembly DESCRIPTIONPARTS FireplaceILLUSTRATED BREAKDOWNPART NUMBER PARTS LISTFireplace DESCRIPTIONWARRANTY INFORMATION LIMITED WARRANTY VENT-FREENATURAL GAS FIREPLACEKEEP THIS WARRANTY