Owner’s manual, Optional positioning of thermostat sensing bulb – Vanguard Managed Solutions FLAME-MAX User Manual

Page 21

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OWNER’S MANUAL

21

105187

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.

Tools needed: 1/4" hex driver or socket

1.

Remove logs. Locate the gas valve as-
sembly and thermostat sensing bulb
(see Figure 28).

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 30).

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.

Figure 28 - Location of Gas Valve Assem-
bly and Thermostat Sensing Bulb

Figure 29 - Adhesive-backed Mounting
Clip

Figure 30 - Removing Thermostat Sens-
ing Bulb

Thermostat
Sensing Bulb

Thermostat
Screw

Retaining
Clamp

Thermostat
Sensing Bulb

Capillary

Mounting
Bracket

Adhesive-
backed
Mounting
Clip

Figure 31 - Locating Thermostat Sensing
Bulb on Masonry Fireplace

Thermostat Sensing Bulb

,

,

,

Q

Q

Q

Adhesive-
backed
Mounting
Clip

Thermostat Sensing Bulb

Figure 32 - Locating Thermostat Sensing
Bulb on Factory-built Metal Fireplace

Gas Valve Assembly

,

,

,

,

Q

Q

Q

Q

,

Q

,

,

,

,

Q

Q

Q

Q

Adhesive-
backed
Mounting
Clip

Glass Doors

Figure 33- Installing Thermostat Sensing
Bulb behind Glass Doors

Thermostat
Sensing
Bulb

Capillary

Thermostat
Sensing Bulb

Do Not Crimp
Capillary

Adhesive-
backed
Mounting
Clip

Figure 34 - Positioning the Thermostat
Sensing Bulb in the Vertical Position with
the Capillary at the Bottom

3.

The thermostat sensing bulb may be lo-
cated to the lower right front side of fire-
place. Determine location of sensing
bulb, but do not mount sensing bulb un-
til step 4. If you have a masonry fire-
place, see Figure 31 for location.

If you have a factory-built metal fire-
place, see Figure 32 for location.

If your fireplace has glass doors, posi-
tion sensing bulb directly behind door
gap on right bottom side (see Figure 33).

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 34). Slide the thermostat
sensing bulb into the clip.

IMPORTANT:

Do not crimp capillary.

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