Desa C Owner's Operation And Installation Manual

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Desa C Owner's Operation And Installation Manual Manual pdf 27 page image

104415-01LFor more information, visit www.desatech.comFor more information, visit www.desatech.com2727CapillaryScrew Retaining ClampThermostatSensingBulbOPTIONAL POSITIONING OFTHERMOSTAT SENSING BULB(Thermostat-Controlled Models Only)FOR MASONRY AND FACTORY-BUILTMETAL FIREPLACEIf your log set cycles to pilot, but the room temperature drops to alower than ideal comfort level before the log set comes back on, youmay want to reposition 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 atan ideal comfort level for most fireplace applications. For position-ing the thermostat sensing bulb elsewhere, an adhesive-backedmounting clip is available.Tools needed: 5/16" hex driver or socket1. Locate the gas valve assembly and thermostat sensing bulb(see Figure 41).2. With 5/16" hex driver or socket, loosen the thermostat screw.Carefully slide the thermostat sensing bulb out of the retainingclamp (see Figure 43).Note: Do not remove the screw. Make sure you tighten thescrew after removing the thermostat sensing bulb.IMPORTANT: Do not force or bend the thermostat sensingbulb or capillary.3. The thermostat sensing bulb may be located to the lower rightfront side of fireplace. Determine location of sensing bulb, butdo not mount sensing bulb until step 5. If you have a masonryfireplace, see Figure 44 for location.If you have a factory-built metal fireplace, see Figure 45 forlocation.If your fireplace has glass doors, position sensing bulb directlybehind door gap on right bottom side (see Figure 46).4. The mounting clip must be a minimum of 3" from bottom offireplace to prevent crimping of capillary. Once you have de-cided on a location, clean the area thoroughly. Remove the pa-per backing from the adhesive on back of mounting clip. Pressthe clip into the new location so that the thermostat sensing bulbwill be positioned vertically with the capillary at the bottom (seeFigure 47). Slide the thermostat sensing bulb into the clip.IMPORTANT: Do not crimp capillary.Figure 41 - Location of Gas Valve Assembly and ThermostatSensing BulbThermostatSensing BulbGas Valve AssemblyFigure 42 - Adhesive-backedMounting ClipFigure 43 - RemovingThermostat Sensing BulbFigure 44 - Locating ThermostatSensing Bulb on MasonryFireplaceFigure 45 - Locating ThermostatSensing Bulb on Factory-builtMetal FireplaceQQQ¢¢¢Adhesive-backedMountingClipThermostat Sensing BulbFigure 46 - Installing ThermostatSensing Bulb behind GlassDoorsFigure 47 - Positioning theThermostat Sensing Bulb inthe Vertical Position with theCapillary at the BottomQQQQ¢¢¢¢Q¢QQQQ¢¢¢¢Adhesive-backedMountingClipGlass DoorsThermostat Sensing BulbCapillaryThermostat Sensing BulbDo NotCrimpCapillaryAdhesive-backedMountingClipAdhesive-backedMountingClipThermostat Sensing BulbOPTIONAL POSITIONING OF THERMOSTAT SENSING BULB(THERMOSTAT-CONTROLLED MODELS ONLY)For Masonry and Factory-Built Metal Fireplace