OWNER’S MANUAL

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 thermo- stat 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 applica- tions. For positioning the thermostat sens- ing bulb elsewhere, an adhesive-backed mounting clip is available.

4.The mounting clip must be a minimum of 3" from bottom of fireplace to pre- vent crimping of capillary. Once you have decided on a location, clean the area thoroughly. Remove the paper 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 verti- cally with the capillary at the bottom (see Figure 52). Slide the thermostat sensing bulb into the clip.

IMPORTANT: Do not crimp capillary.

Gas Valve

Assembly

Thermostat

Sensing Bulb

Adhesive- backed Mounting Clip

Figure 49 - Locating Thermostat Sensing Bulb on Masonry Fireplace

Thermostat

Sensing

Bulb

Adhesive- backed Mounting Clip

Tools needed: 1/4" hex driver or socket

1.

Remove logs. Locate the gas valve as-

 

sembly and thermostat sensing bulb

 

(see Figure 46).

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 48).

 

Note: Do not remove the screw. Make

 

sure you tighten the screw after remov-

 

ing 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

Thermostat

MountingSensing Bulb

Bracket

Figure 46 - Location of Gas Valve Assem- bly and Thermostat Sensing Bulb

Figure 47 - Adhesive-backed Mounting Clip

Figure 50 - Locating Thermostat Sensing Bulb on Factory-built Metal Fireplace

Thermostat

Sensing

Bulb

Adhesive- backed Mounting Clip

Glass Doors

fireplace. Determine location of sens-

ing bulb, but do not mount sensing bulb

until step 5. If you have a masonry fire-

place, see Figure 49 for location. If you

have a factory-built metal fireplace, see

Capillary

Thermostat Screw

Figure 51 - Installing Thermostat Sensing Bulb behind Glass Doors

Figure 50 for location. If your fireplace

has glass doors, position sensing bulb

directly behind door gap on right bot-

tom side (see Figure 51).

Retaining Clamp

Capillary

Thermostat Sensing Bulb

Adhesive- backed Mounting Clip

Thermostat

Sensing Bulb

Figure 48 - Removing Thermostat Sens- ing Bulb

Do Not Crimp

Capillary

Figure 52 - Positioning the Thermostat Sensing Bulb in the Vertical Position with the Capillary at the Bottom

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Desa CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, CCL3930NT installation manual

CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, CCL3930NT specifications

Desa has garnered significant attention in the heating industry with its impressive lineup of products, specifically the CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, and CCL3930NT. These models showcase a blend of efficiency, functionality, and aesthetic appeal, catering to diverse residential and commercial heating needs.

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