Desa Unvented Propane Gas Log Heater Model Split Oak and American Oak Design installation manual

SPLIT OAK AND AMERICAN OAK DESIGN 18", 24" AND 30" MODELS

OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB

For Masonry and Factory-

3.With 5/16" hex driver or socket, loosen the thermostat screw. Carefully slide the thermostat sensing bulb out of the retaining clamp (see Figure 37).

Note: Do not remove the screw. Make sure you tighten the screw after remov- ing the thermostat sensing bulb.

If your fireplace has glass doors, position sensing bulb directly behind door gap on right bottom side (see Figure 40).

Thermostat

Sensing

Bulb

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.

IMPORTANT: Do not force or bend the thermostat sensing bulb or capillary.

Adhesive- backed Mounting Clip

Capillary

Glass Doors

The thermostat sensing bulb is located on the gas valve assembly. This location al- lows the thermostat to keep the room tem- perature at an ideal comfort level for most fireplace applications. For positioning the thermostat sensing bulb elsewhere, an adhe- sive-backed mounting clip has been pro- vided.

Tools needed: 5/16" hex driver or socket

1.Locate the gas valve assembly and ther- mostat sensing bulb (see Figure 35).

		Figure 40 - Installing Thermostat Sensing
Screw	ThermostatBulb behind Glass Doors
	Sensing	5. The mounting clip must be a minimum
Retaining Bulb		of 3" from bottom of fireplace to pre-
Clamp		vent crimping of capillary. Once you
		have decided on a location, clean the
		area thoroughly. Remove the paper
Figure 37 - Removing Thermostat Sensing		backing from the adhesive on back of
Bulb		mounting clip. Press the clip into the
4. The thermostat sensing bulb may be		new location so that the thermostat
		sensing bulb will be positioned verti-
located to the lower right front side of
		cally with the capillary at the bottom
fireplace. Determine location of sens-
		(see Figure 41). Slide the thermostat
ing bulb, but do not mount sensing bulb
		sensing bulb into the clip.
until step 5. If you have a masonry fire-
		IMPORTANT: Do not crimp capillary.
place, see Figure 38 for location.

Gas Valve

Assembly

Thermostat

Sensing Bulb

Figure 35 - Location of Gas Valve Assembly and Thermostat Sensing Bulb

2.The adhesive-backed mounting clip (see Figure 36) is attached to the ther- mostat sensing bulb. Remove the ad- hesive-backed mounting clip.

Figure 36 - Adhesive-backed Mounting Clip

Thermostat

Sensing

Bulb

Adhesive- backed Mounting Clip

Figure 38 - Locating Thermostat Sensing Bulb on Masonry Fireplace

If you have a factory-built metal fireplace, see Figure 39 for location.

Thermostat

Sensing

Bulb

Adhesive- backed Mounting Clip

Thermostat

Sensing

Bulb

Adhesive- backed

CapillaryMounting Clip

Do Not Crimp

Capillary

Figure 41 - Positioning the Thermostat Sensing Bulb in the Vertical Position with the Capillary at the Bottom

Figure 39 - Locating Thermostat Sensing Bulb on Factory-built Metal Fireplace

103427 21