Desa B Manuel d'utilisateur télécharger pdf (Page 22)

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104414

DESA INTERNATIONAL

UNVENTED NATURAL GAS LOG HEATER

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 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 is available.

Tools needed: 5/16" hex driver or socket

1. Locate the gas valve assembly and ther-

mostat sensing bulb (see Figure 30).

2. With 5/16" hex driver or socket, loosen

the thermostat screw. Carefully slide

the thermostat sensing bulb out of the

retaining clamp (see Figure 32).

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.

Thermostat

Sensing Bulb

Gas Valve

Assembly

Figure 30 - Location of Gas Valve

Assembly and Thermostat Sensing Bulb

Figure 31 - Adhesive-backed Mounting

Clip

Adhesive-

backed

Mounting Clip

Figure 33 - Locating Thermostat Sensing

Bulb on Masonry Fireplace

Thermostat

Sensing

Bulb

Adhesive-

backed

Mounting

Clip

Thermostat

Sensing

Bulb

Figure 34 - Locating Thermostat Sensing

Bulb on Factory-built Metal Fireplace

Capillary

Adhesive-

backed

Mounting

Clip

Glass Doors

Figure 35 - Installing Thermostat Sensing

Bulb behind Glass Doors

Thermostat

Sensing

Bulb

Capillary

Thermostat

Sensing Bulb

Do Not Crimp

Capillary

Adhesive-

backed

Mounting

Clip

Figure 36 - Positioning the Thermostat

Sensing Bulb in the Vertical Position with

the Capillary at the Bottom

3. The thermostat sensing bulb may be

located to the lower right front side of

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 33 for location.

If you have a factory-built metal fire-

place, see Figure 34 for location.

If your fireplace has glass doors, posi-

tion sensing bulb directly behind door

gap on right bottom side (see Figure 35).

Figure 32 - Removing Thermostat Sensing

Bulb

Screw

Retaining

Clamp

Thermostat

Sensing Bulb

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 36). Slide the thermostat

sensing bulb into the clip.

IMPORTANT:

Do not crimp capillary.

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