Desa CGD3924N installation manual Minimum Non Combustible Material Clearances

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INSTALLING

Continued

10

NOTICE

You may use this heater as a vented product. If so, you must always run heater with chimney flue damper open. If running heater with damper open, non-combustible material above fire- place opening is not needed. Go to Installing Damper Clamp Accessory for Vented Operation, page 13.

Minimum Non Combustible Material Clearances

If Not Using Mantel

Note: If using a mantel, go to page 11. If not using a mantel, follow the informa- tion on this page.

You must have non combustible material(s) above the fireplace opening. Non combustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch thick. With sheet metal, you must have non combustible material behind it. Non combustible material must extend at least 8" up. If non combustible material is less than 12", you must install the fireplace hood accessory. See chart below and Figure 5 for minimum clearances.

IMPORTANT: If you cannot meet these minimum clearances, you must operate heater with chimney flue damper open. Go to Installing Damper Clamp Accessory for Vented Operation, page 13.

Non-Combustible

Requirements for

Material Distance (A)

Safe Installation

 

 

12" or more

Non combustible material OK.

Between 8" and 12"

Install fireplace hood acessory (GA6050 or

 

GA6052, see Accessories, page 29).

Less than 8"

Non-combustible material must be extended to

 

at least 8". See Between 8" and 12", above. If

 

you cannot extend material, you must operate

 

heater with flue damper open.

 

 

Heat Resistant

Material

(A)

Figure 5 - Heat Resistant Material (Slate, Marble, Tile, etc.) Above Fireplace

102828

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Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASContents Safety Information Burner patterns can cause sooting Operation Local Codes Unpacking Product FeaturesSafety Device Piezo Ignition SystemVentilation AIR forProviding Adequate Ventilation Determining AIR Flow for Heater Location AIR for Combustion and VentilationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Building Ventilation AIRTion and ventilation air by one of the methods described Ventilation Air From OutdoorsInstalling Check GAS TypeLOG Sizing Requirements Minimum Fireplace ClearanceTo Combustible Materials Minimum Wall and Ceiling Clearances see FigureMinimum Non Combustible Material Clearances Installing Minimum Non Combustible Material Clearances Log SetFloor Clearances Installing Damper Clamp Accessory for Vented Operation Attaching Damper ClampInstalling Heater Base Assembly Installation Items NeededMounting Bracket Connecting to GAS Supply Checking GAS Connections Gas ConnectionPressure Testing Heater Gas Connections Test Pressures Equal To or Less Than 1/2 PsigInstalling Installing LogsFor Your Safety Read Before Lighting Operating HeaterHeater OperatingOperating Heater Inspecting Burners Pilot Flame PatternTrouble Shooting CleaningMaintenance ODS/PILOT and BurnerMaintenance, TROUBLE- ShootingRefer to Air for Com Gas leak. See Warning Service Hints Technical ServiceModel Parts Not Under Warranty Parts Under WarrantyParts Central Hood GA6050 AccessoriesValve GA5010 Hood GA6052Illustrated Parts Breakdown Parts List KEY Part Number Description QTYWarranty Information Keep this Warranty
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