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 reposi- tion the thermostat sensing bulb.

The thermostat sensing bulb is located on the gas valve assembly. 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 elsewhere, an adhesive-backed mounting clip has been provided.

Tools needed: 5/16" hex driver or socket

1. Locate the gas valve assembly and thermostat sensing blub (see Figure 26).

Gas Valve

Assembly

Thermostat

Sensing Bulb

Figure 26 - Location of Gas Valve Assembly and Thermostat Sensing Bulb

2.The adhesive-backed mounting clip (see Figure 27) is attached to the thermostat sensing bulb. Remove the adhesive-backed mounting clip.

Figure 27 - Adhesive-backed Mounting Clip

3.With 5/16" hex driver or socket, loosen the thermostat screw. Carefully slide the thermo- stat sensing bulb out of the retaining clamp (see Figure 28).

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. A crimped capillary will not allow thermostat to operate properly. It cannot be repaired, the valve must be replaced.

Capillary

Screw Thermostat Sensing Bulb

Retaining Clamp

Figure 28 - Removing Thermostat Sensing Bulb

 

4. 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 29 for location.

27

 

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Desa Tech CG3324PT, CG2618PV, CG3630PV, CG3324PV, CG3630PT installation manual Optional Positioning of Thermostat Sensing Bulb
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CG2618PV, CG3630PT, CG3324PT, CG3324PV, CG3630PV specifications

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