Desa PROPANE GAS LOG HEATER Installing Damper Clamp Accessory for Vented Operation

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INSTALLING

Continued

INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION

Note: When used as a vented heater, appliance must be installed only in a solid- fuel burning fireplace with a working flue and constructed of non combustible material.

If your heater is a manually controlled model, you may use this heater as a vented product. There are three reasons for operating your heater in the vented mode.

1.The fireplace does not meet the clearance to combustibles requirements for vent-free operation.

2.State or local codes do not permit vent-free operation.

3.You prefer vented operation.

If reasons number 1 or 2 above apply to you, you must permanently open chimney flue damper. You must install the damper clamp accessory (to order, see Accessories, page 31). This will insure vented operation (see Figure 10). The damper clamp will keep damper open. Installation instructions are included with clamp accessory.

See chart below for minimum permanent flue opening you must provide. Attach damper clamp so the minimum permanent flue opening will be maintained at all times.

Chimney	Minimum Permanent
Height (ft.)	Flue Opening (sq. ins.)

6' to 15'	39 sq. inches
15' to 30'	29 sq. inches

Area of Various Standard Round Flues

Diameter (ins.)	Area (sq. ins.)

5"	20 sq. inches
6"	29 sq. inches
7"	39 sq. inches
8"	51 sq. inches

Damper

Clamp

Damper

Damper

Clamp

Damper

Damper

Masonry Fireplace

Manufactured Fireplace

Figure 10 - Attaching Damper Clamp

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualContents Safety Information 001 Safety Device Local Codes Unpacking Product FeaturesOperation Piezo Ignition SystemProviding Adequate Ventilation AIR for Combustion and VentilationUnusually Tight Construction Unconfined SpaceDetermining if You Have a Confined or Unconfined Space Determining AIR Flow for Heater LocationVentilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Check GAS Type InstallingHigh traffic areas Windy or drafty areas LOG Sizing Requirements Minimum Fireplace Clearance To Combustible MaterialsMinimum Wall and Ceiling Clearances see Figure Minimum Non Combustible Material Clearances If Using Mantel Floor Clearances Attaching Damper Clamp Installing Damper Clamp Accessory for Vented OperationInstallation Items Needed Installing Heater Base AssemblyAttaching Mounting Brackets to Heater Connecting to GAS SupplyExternal Regulator With Vent Pointing Down Checking GAS Connections Pressure Testing gas Supply Piping systemTest Pressures Equal To or Less Than 1/2 Psig Pressure Testing Heater Gas ConnectionsNotch Front Log #1R Grate Prongs Metal Grate Bar Installing LogsInstalling Rear Log #3 Installing Crossover Log #5 Operating Heater To Turn OFF GAS to Appliance Operating HeaterPilot Flame Pattern Inspecting BurnersFront Burner Flame Pattern Turn off heater and let cool before cleaning Cleaning and Maintenance Trouble ShootingODS/PILOT and Burners LogsTROUBLE- Shooting Cleaning and MainteRefer to Air for Com Statement at top Trouble ShootingService Hints Technical ServiceParts Under Warranty Replacement PartsParts Not Under Warranty Valve GA5010 AccessoriesHood GA6050 Hood GA6052Illustrated Parts Breakdown KEY Part Number Description QTY Parts List102318 102318 Keep this Warranty Warranty Information