Desa UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE installation manual Installing, Continued

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INSTALLING

Continued

If installing in a corner, use dimensions shown in Figure 12 for the rough opening. The height is 33" which is the same as the wall opening on page 13.

39 3/8"

27 7/8"

35 1/2" 55 5/8"

Figure 12 - Rough Opening for Installing in Corner

2.Install gas piping to fireplace location. This installation includes an approved flexible gas line (if allowed by local codes) after the manual shutoff valve. The flexible gas line must be the last item installed on the gas piping. See Installing Gas Piping to Fireplace Location, page 16.

3.Attach nailing flange accessory to each side of fireplace (see Figure 13). See Accessories, page 33 for nailing flange.

Nailing

Flange

Nailing

Flange

Figure 13 - Attaching Nailing Flange Accessory

4.Carefully set fireplace in front of rough opening with back of fireplace inside wall opening.

5.Attach flexible gas line to fireplace gas regulator. See Connecting Fireplace to Gas Supply, page 17.

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Contents UNVENTED VENT-FREENATURAL GAS FIREPLACE OWNER’S OPERATION AND INSTALLATION MANUALSave this manual for future reference DANGER CONTENTS SAFETY INFORMATIONWARNINGS Safety Information continues on next pageContinued SAFETYINFORMATION Figure 2 - Fireplace PRODUCT IDENTIFICATIONFigure 1 - Log Base Assembly 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 BuildingContinued INSTALLINGNOTICE ASSEMBLING AND ATTACHING BRASS TRIM INSTALLINGContinued Continued INSTALLINGINSTALLATION CLEARANCES CONVENTIONAL FIREPLACE INSTALLATIONheads and putty over INSTALLINGContinued 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 PATTERNLOGS CLEANING AND MAINTENANCE TROUBLE SHOOTINGODS/PILOT AND BURNERS 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 DESCRIPTIONKEEP THIS WARRANTY WARRANTY INFORMATIONLIMITED WARRANTY VENT-FREENATURAL GAS FIREPLACE