Desa FLAME-MAX VintageOak, LAME-MAX Golden Oak Optional Positioning of Thermostat Sensing Bulb

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OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB (THERMOSTAT-CONTROLLED MODELS ONLY)

For Masonry and Factory-Built Metal Fireplace

OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB

(Thermostat-Controlled Models Only)

FOR MASONRY AND FACTORY-BUILT METAL FIREPLACE

If your log set cycles to pilot, but the room temperature drops to a lower than ideal comfort level before the log set comes back on, you may want to reposition the thermostat sensing bulb.

The thermostat sensing bulb is located near the gas valve assembly on the mounting bracket. This location allows the thermostat to keep the room temperature at an ideal comfort level for most fireplace applications. For positioning the thermostat sensing bulb else- where, an adhesive-backed mounting clip is available.

Tools needed: 1/4" hex driver or socket

Thermostat

Thermostat Capillary Sensing Bulb

Screw

Retaining

Clamp

Figure 44 - Adhesive-backed

Figure 45 - Removing

Mounting Clip

Thermostat Sensing Bulb

1.

Remove logs. Locate the gas valve assembly and thermostat

 

sensing bulb (see Figure 43).

2.

With 1/4" hex driver or socket, loosen the thermostat screw.

 

Carefully slide the thermostat sensing bulb out of the retaining

 

clamp (see Figure 45).

 

Note: Do not remove the screw. Make sure you tighten the

 

screw after removing the thermostat sensing bulb.

 

IMPORTANT: Do not force or bend the thermostat sensing

 

bulb or capillary.

3.

The thermostat sensing bulb may be located to the lower right

 

front side of fireplace. Determine location of sensing bulb, but

Thermostat Sensing Bulb

Adhesive- backed Mounting Clip

Thermostat Sensing Bulb

Adhesive- backed Mounting Clip

do not mount sensing bulb until step 5. If you have a masonry

fireplace, see Figure 46 for location. If you have a factory-

built metal fireplace, see Figure 47 for location. If your fire-

place has glass doors, position sensing bulb directly behind

door gap on right bottom side (see Figure 48).

Figure 46 - Locating Thermostat

Figure 47 - Locating Thermostat

Sensing Bulb on Masonry

Sensing Bulb on Factory-built

Fireplace

Metal Fireplace

4. The mounting clip must be a minimum of 3" from bottom of

fireplace to prevent crimping of capillary. Once you have de-

cided on a location, clean the area thoroughly. Remove the pa-

per backing from the adhesive on back of mounting clip. Press

the clip into the new location so that the thermostat sensing bulb

will be positioned vertically with the capillary at the bottom

(see Figure 49). Slide the thermostat sensing bulb into the clip.

IMPORTANT: Do not crimp capillary.

Gas Valve

Assembly

Thermostat Sensing Bulb

Adhesive- backed Mounting Clip

Glass Doors

Thermostat Sensing Bulb

Adhesive- backed Mounting

Clip

Capillary

Do Not

Crimp Capillary

Thermostat

MountingSensing Bulb

Bracket

Figure48-InstallingThermostat

Figure 49 - Positioning the

Sensing Bulb behind Glass

Thermostat Sensing Bulb in

Doors

the Vertical Position with the

 

Capillary at the Bottom

Figure 43 - Location of Gas Valve Assembly and Thermostat

Sensing Bulb

For..com

110399-01B

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Contents Unvented VENT-FREE GAS LOG Heater What to do if YOU Smell GASTable of Contents Safety InformationSafety Information Optional Remote Control Accessories Product IdentificationLocal Codes UnpackingProduct Features AIR for Combustion and VentilationDetermining FRESH-AIR Flow for Heater Location Determining if You Have a Confined or Unconfined SpaceVentilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors See options 1 and 2, . You can also remove door intoInstallation Check GAS TypeLOG Sizing Requirements Measured at 14 depthIf Not Using Mantel Minimum Noncombustible Material ClearancesFloor Clearances Mantel ClearancesDetermining Minimum Mantel Clearance Installing Damper Clamp Accessory for Vented Operation Installing Heater Base AssemblyInstallation Items Needed Area of Various StandardTrol accessories, do so at this time Remote-Ready Models Only. Follow all directions provided with accessoryDrill holes at marked locations using 3/16 drill bit Attach base assembly to fireplace floor using two masonryConnecting to GAS Supply External Regulator With Vent Pointing DownChecking GAS Connections Pressure Testing gas Supply Piping systemClose equipment shutoff valve see , Pressure Testing Heater Gas Connections Installing LogsVintage Oak Two-Piece Log Set Installing Vintage Oak Two-Piece Log Set Golden Oak One-Piece Log SetInstalling Golden Oak 5-Piece Log Set Log Golden Oak Five-Piece Log SetOperating Heater Lighting InstructionsManual Lighting Procedure To Turn OFF GAS to ApplianceThermostat Control Operation Shutting Off HeaterREMOTE-READY Models For Your Safety Read Before Lighting Variable Control OperationFlame Adjustment Knob Optional Remote Operation Thermostat Control OperationGhrc Series Operation Ghrcta Series OperationInspecting Burners Pilot Flame PatternBurner Primary AIR Holes Main BurnerCleaning and Maintenance Cleaning Burner Injector Holder and Pilot AIR Inlet HoleLogs We also recommend that you keep the burner tube and pilotTroubleshooting Clean burner see Cleaning and Mainte ODS/pilot is partially clogged Clean ODS/pilot see Cleaning Gas odor even when control knob is in OFFLow line pressure CompanyFor Masonry and FACTORY-BUILT Metal Fireplace Optional Positioning of Thermostat Sensing BulbThermostat-Controlled Models Only Specifications Golden Oak Golden Oak 24 Remote-Ready 36 Remote-ReadyWiring Diagram Service HintsTechnical Service Replacement PartsAccessories Illustrated Parts Breakdown ODS Pilot Natural Gas ODS Pilot Propane/LPParts List Variable MANUALLY-CONTROLLED FLAME-MAXVINTAGE OAK LOG ModelsVariable MANUALLY-CONTROLLED FLAME-MAXGOLDEN OAK LOG Models Parts Available not Shown QTY Natural Gas From drawing.4Parts Available not Shown THERMOSTAT-CONTROLLED FLAME-MAXGOLDEN OAK LOG Models Auxiliary Thermostat Mounting Clip REMOTE-READY FLAME-MAXGOLDEN OAK LOG Models Parts List VYD36PNA and HD36NR Parts List For . .com Owners Registration Form Postage Required 110399-01B Warranty Information
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