Desa NATURAL GAS LOG HEATER Installing Heater Base Assembly, Installation Items Needed

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INSTALLING

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INSTALLING HEATER BASE ASSEMBLY

WARNING

WARNING ICON

G 001

You must secure this heater to fireplace floor. If not, heater will move when you adjust controls. Moving heater may cause a gas leak.

WARNING

WARNING ICON

G 001

If installing in a sunken fireplace, special care is needed. You must raise the fireplace floor to allow access to heater control panel. This will insure adequate air flow and guard against soot- ing. Raise fireplace floor with non-combustible material. Make sure material is secure.

CAUTION

WARNING ICON

G 001

Do not pick up heater base assembly by burners. This could damage heater. Only handle base assembly by grates.

IMPORTANT: Make sure the heater burners are level. If heater is not level, heater will not work properly. For thermostat models, avoid damage to thermostat bulb. Avoid nicks or sharp bends in thermostat bulb wire. Keep thermostat bulb in mounting bracket.

Installation Items Needed

hardware package (provided with heater)

approved flexible gas hose (not provided) (if allowed by local codes)

sealant (resistant to LP gas, not provided)

electric drill with 3/16" drill bit

1.Apply pipe joint sealant lightly to male threads of gas regulator. Connect approved flexible gas hose to gas regulator of heater (see Figure 11). IMPORTANT: Hold gas regulator with wrench when connecting flexible gas hose.

2.Locate mounting brackets, bolts, and nuts in hardware package. Attach mount- ing brackets to heater base (see Figure 12). Attach nuts finger tight.

3.Position heater base assembly in fireplace.

4.Mark screw locations through holes in mounting brackets. If installing in a brick-bottom fireplace, mark screw locations in mortar joint of bricks.

5.Remove heater base from fireplace. Remove mounting brackets from heater base.

6.Drill holes at marked locations using 3/16" drill bit.

7.Attach mounting brackets to fireplace floor using masonry screws (in hardware package).

8.Reattach heater base to mounting brackets. Tighten nuts firmly.

9.Connect to gas supply. See Connecting To Gas Supply, page 16.

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Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASContents Safety Information Safety InformationProduct Identification Local Codes Unpacking Product FeaturesSafety Device OperationProviding Adequate Ventilation AIR for CombustionVentilation Determining if You Have a Confined or Unconfined Space AIR for Combustion and VentilationDetermining AIR Flow for Heater Location Ventilation AIR AIR forCombustion Installing Check GAS TypeAnces from floor, ceiling, and adjoining wall To Combustible MaterialsLOG Sizing Requirements Minimum Wall and Ceiling Clearances see FigureAccessories, Minimum Non Combustible Material ClearancesInstalling For Vented Operation,Floor Clearances Installing Damper Clamp Accessory for Vented Operation Attaching Damper ClampInstalling Heater Base Assembly Installation Items NeededAttaching Flexible Gas Hose to Heater Gas Regulator Connecting to GAS Supply Installation Items NeededChecking GAS Connections Gas ConnectionPressure Testing Heater Gas Connections Test Pressures Equal To or Less Than 1/2 PsigInstalling Logs Installing Front LogFor Your Safety Read Before Lighting Operating HeaterThermostat-Controlled Models Only OperatingHeater Operating Heater Models Front Burner Flame Pattern Inspecting BurnersPilot Flame Pattern Logs Trouble ShootingODS/PILOT and Burners Cleaning and Mainte TROUBLE- ShootingTrouble Gas leak. See Warning Sensing Bulb OptionalPositioning Optional Positioning Thermostat Sensing Bulb For Masonry Factory-built Metal FireplaceTechnical ServiceService HintsParts Not Under Warranty Replacement PartsParts Under Warranty Hood GA6050 AccessoriesValve GA5010 Hood GA6052Illustrated Parts Break Down Parts List Description QTYThermostat Controlled Models Parts List 101308 101308 Warranty Information Keep this Warranty