Desa 24, and 30 installation manual Optional Positioning of Thermostat Sensing Bulb

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OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB

25

OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB

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

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

Figure 44 - Adhesive-backed Mounting Clip

Capillary

Thermostat

Screw

 

Retaining

 

Clamp

 

 

Thermostat

 

Sensing Bulb

Figure 45 - Removing Thermostat Sensing Bulb

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

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 fireplace

has glass doors, position sensing bulb directly behind door gap

on right bottom side (see Figure 48).

Thermostat Sensing Bulb

Adhesive- backed Mounting Clip

Thermostat Sensing Bulb

Adhesive- backed Mounting Clip

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

Figure 46- Locating Thermo-

Figure 47 - Locating Thermo-

stat Sensing Bulb on Masonry

stat Sensing Bulb on Factory-

Fireplace

built Metal Fireplace

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

Do Not Crimp

Capillary

Capillary

Mounting

Thermostat

Sensing Bulb

Bracket

 

Figure 43 - Location of Gas Valve Assembly and Thermostat Sensing Bulb

Figure 48 - Installing Ther-

Figure 49 - Positioning the

Thermostat Sensing Bulb in

mostat Sensing Bulb behind

the Vertical Position with the

Glass Doors

Capillary at the Bottom

 

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111160-01A

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Contents 18, 24, and 30 Variable What to do if YOU Smell GASCRL2718P/N CRL3124P/NSafety Information Table of ContentsProduct Identification Local Codes Product Features AIR for Combustion and VentilationUnpacking Confined and Unconfined Space Determining FRESH-AIR Flow for Heater LocationDetermining if You Have a Confined or Uncon- fined Space Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Check GAS Type InstallationMinimum Noncombustible Material Clearances If Using MantelMantel Clearances Determining Minimum Mantel Clearance When Using a HoodFloor Clearances Determining Minimum Mantel ClearanceInstalling Heater Base Assembly Installing Damper Clamp Accessory for Vented OperationInstallation Items Needed Attaching Flexible Gas Hose to Heater Gas Regulator Connecting to GAS SupplyChecking GAS Connections Pressure Testing Gas Supply Piping systemPressure Testing Heater Gas Connections Installing LogsInstalling Back Log #1 Installing Middle Log #2 CCL3930PTB/NTB Shown Single Burner Seasonal Oak Models CRL2718P/N, CRL2718P/N Installing Crossover Log #6 CCL3930PTB/NTB ShownLighting Instructions Operating HeaterTo Turn OFF GAS Variable Control OperationTo Appliance Shutting Off HeaterInstructions Manual Lighting ProcedureTo Turn OFF GAS To Appliance Inspecting BurnersThermostat Control Operation Pilot Flame PatternCleaning Burner Injector Holder and Pilot AIR Inlet Hole Cleaning MaintenanceBurner Primary AIR Holes Main BurnerObserved Problem Possible Cause Remedy TroubleshootingMaintenance, Gas leak. See Warning statement For Masonry and Factory-built Metal Fireplace Optional Positioning of Thermostat Sensing BulbAccessories Replacement PartsService Hints Technical ServiceDual Burner Smoky Mountain OAK Models SpecificationsDual Burner Biltmore Split OAK Models Single Burner Seasonal OAK ModelsIllustrated Parts Breakdown Variable MANUALLY-CONTROLLED Biltmore Split OAK Models Parts ListModels CGD3018PT, CGD3018NT, CGD3924PT and CGD3924NT THERMOSTATICALLY-CONTROLLED Smoky Mountain OAK Models Models CCL3018PTA and CCL3018NTA KEY Part Number CCL3018PTA CCL3018NTA Description QTY THERMOSTATICALLY-CONTROLLED Biltmore Split OAK ModelsModels CCL3924PTA, CCL3924NTA, CCL3930PTB and CCL3930NTB Parts List CRL3124P and CRL3124N Variable Manually Controlled Seasonal OAKDescription QTY Variable MANUALLY-CONTROLLED Seasonal OAK ModelsParts Central Owners Registration Form Postage Required 111160-01A Keep this Warranty Warranty Information