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The adhesive-backed mounting clip (see Figure 27) is attached to the thermostat sensing bulb. Remove the adhesive-backed mounting clip. Figure 27 - Adhesive-backed Mounting Clip 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 28). Note:Do not remove the screw. Make sure you tighten the screw after removing the thermostat sensing bulb. IMPORTANT:Do not force or bend the thermostat sensing bulb or capillary. A crimped capillary will not allow thermostat to operate properly. It cannot be repaired, the valve must be replaced. Retaining Clamp Thermostat Sensing BulbScrew Figure 28 - Removing Thermostat Sensing Bulb Capillary 4. The thermostat sensing bulb may be located to the lower right front side of fireplace. Determine location of sensing bulb, but do not mount sensing bulb until step 5. If you have a masonry fireplace, see Figure 29 for location. 27 Thermostat OPTIONAL Sensing Bulb POSITIONING Adhesive-backed OF THERMOSTAT Mounting Clip SENSING BULB For Masonry and Figure 29 - Locating Thermostat Sensing Bulb on Masonry Fireplace Factory-built Metal Fireplace Continued Thermostat Sensing Bulb Adhesive-backed Mounting Clip Figure 30 - Locating Thermostat Sensing Bulb on Factory-built Metal Fireplace Thermostat Sensing Bulb Figure 31 - Installing Thermostat Sensing Bulb behind Glass Doors 5. The mounting clip must be a minimum of 3" from bottom of fireplace to prevent 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 vertically with the capillary at the bottom (see Figure 32). Slide the thermostat sensing bulb into the clip. :Do not crimp capillary. Capillary IMPORTANTThermostat Sensing Bulb Adhesive-backed Mounting Clip Do Not Crimp Capillary Figure 32 - Positioning the Thermostat Sensing Bulb in the Vertical Position with the Capillary at the Bottom If you have a factory-built metal fireplace, see Figure 29 for location. ...... QQQQ .... If your fireplace has glass doors, position sensing bulb directly behind door gap on right bottom side (see Figure 31). ...... QQQQ ........... QQQ ... Adhesive-backed Mounting Clip Glass Doors TECHNICAL SERVICE SPECIFICATIONS SERVICE HINTS You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564). B.T.U (Variable) Type Gas Ignition Manifold Pressure Inlet Gas Pressure (in. of water) Maximum Minimum* CG3324PT 20,000/33,000 Propane/LP Only Piezo 7.9" W.C. 14" 11" * For purpose of input adjustment Shipping Weight 38 lbs. B.T.U (Variable) Type Gas Ignition Manifold Pressure Inlet Gas Pressure (in. of water) Maximum Minimum* CG2618PV 16,000/26,000 Propane/LP Only Piezo 7.9" W.C. 14" 11" * For purpose of input adjustment Shipping Weight 36 lbs. When gas pressure is too low • pilot will not stay lit • burners will have delayed ignition • heater will not produce specified heat • propane/LP gas supply may be low When gas quality is bad • pilot will not stay lit • burners will produce flames and soot • heater will backfire when lit CG3630PT 21,500/36,000 Propane/LP Only Piezo 7.9" W.C. 14" 11" 40 lbs. CG3324PV CG3630PV 20,000/33,000 21,500/36,000 Propane/LP Only Propane/LP Only Piezo Piezo 7.9" W.C. 7.9" W.C. 14" 14" 11" 11" 38 lbs. 40 lbs. You may feel your gas pressure is too low or gas quality is bad. If so, contact your local propane/LP gas supplier. 29 REPLACEMENT PARTS PARTS CENTRALS Note:Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty. Parts Under Warranty Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA International’s Technical Service Department at 1-800-323-5190. When calling DESA International, have ready • your name • your address • model number of your heater • how heater was malfunctioning • type of gas used (propane/LP or natural gas) • purchase date Usually, we will ask you to return the defective part to the factory. Parts Not Under Warranty Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA International’s Parts Department at 1-800-972-7879 for referral information. When calling DESA International, have ready • model number of your heater • the replacement part number These Parts Centrals are privately owned businesses. They have agreed to support our customer’s needs by providing original replacement parts and accessories. When calling a Parts Central, ask for the Parts Department. Baltimore Electric East Coast Energy Halco Enterprises 1348 Dixwell Avenue Products 208 Carter Drive, Unit 21 Hamden, CT 06514 707 Broadway West Chester, PA 19382 1-800-397-7553 W. Long Branch, NJ 610...

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