Desa Tech CGD3930P manual

Save this manual for future reference. ® YELLO W FLAME DESIGN UNVENTED (VENT -FREE) PR OP ANE/LP GAS LOG HEA TER (Manually-Controlled Models Also Designed Certified as Vented Decorative Appliance) This appliance may be installed in an aftermarket* manufactured (mobile) home, where not prohibited by state or local codes. This appliance is only for [...]

2 102991 CONTENTS SECTION PAGE SAFETY INFORMA TION WARNING ICON G 001 W ARNINGS IMPORTANT: Read this owner ’ s manual carefully and completely before trying to assemble, operate, or service this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning. WARNI[...]

3 102991 SAFETY INFORMA TION Continued WARNING ICON G 001 W ARNINGS Continued WARNING: Any change to this heater or its controls can be dangerous. 1. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases. 2. Do not place propane (LP) supply tank(s) inside any st[...]

4 102991 PRODUCT IDENTIFICA TION Figure 1 - Vent-Free Gas Log Heater LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code ANSI Z223, also known as NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 1001[...]

5 102991 AIR FOR COMBUSTION AND VENTILA TION WARNING ICON G 001 W ARNING This heater shall not be installed in a confined space unless provisions are provided for adequate combustion and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home. Today’s homes are built more[...]

6 102991 AIR FOR COMBUSTION AND VENTILA TION Continued DETERMINING AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilatio[...]

7 102991 AIR FOR COMBUSTION AND VENTILA TION Continued WARNING ICON G 001 W ARNING If the area in which the heater may be operated is smaller than that defined as an unconfined space, provide adequate combus- tion and ventilation air by one of the methods described in the National Fuel Gas Code, ANSI Z223.1, 1992, Section 5.3. VENTILATION AIR Venti[...]

8 102991 INST ALLING NOTICE A qualified service person must install heater. Follow all local codes. W ARNING Before installing in a solid fuel burning fireplace, the chimney flue and firebox must be cleaned of soot, creosote, ashes and loose paint by a qualified chimney cleaner. Creosote will ignite if highly heated. Inspect chimney flue for damage[...]

9 102991 INST ALLING Continued Continued INSTALLATION AND CLEARANCES (Vent-Free Operation Only) W ARNING Maintain the minimum clearances. If you can, provide greater clear- ances from floor, ceiling, and adjoining wall. Carefully follow the instructions below. This will ensure safe installation into a masonry or U.L. listed manufactured fireplace. [...]

10 102991 Heat Resistant Material (A) INST ALLING Continued NOTICE You may use this heater as a vented product. If so, you must always run heater with chimney flue damper open. If running heater with damper open, non-combustible material above fire- place opening is not needed. Go to Installing Damper Clamp Accessory for Vented Operation, page 13. [...]

11 102991 INST ALLING Continued Minimum Non Combustible Material Clearances If Using Mantel You must have non combustible material(s) above the fireplace opening. Non combustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch thick. With sheet metal, you must have non combustible material behind it. Non combustible material[...]

12 102991 14" Min. Combustible Material Non-Combustible Material Hearth 5" Min. Combustible Material INST ALLING Continued Floor Clearances A. If installing appliance on the floor level, you must maintain the minimum distance of 14" to combustibles (see Figure 8). B. If combustible materials are less than 14" to the fireplace, y[...]

13 102991 INST ALLING Continued INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Note: When used as a vented heater, appliance must be installed only in a solid- fuel burning fireplace with a working flue and constructed of non combustible material. If your heater is a manually controlled model, you may use this heater as a vented product. Th[...]

14 102991 INST ALLING Continued INSTALLING HEATER BASE ASSEMBLY WARNING ICON G 001 W ARNING If installing in a sunken fireplace, special care is needed. You must raise the fireplace floor to allow access to heater control panel. This will insure adequate air flow and guard against soot- ing. Raise fireplace floor with non-combustible material. Make[...]

15 102991 INST ALLING Continued CONNECTING TO GAS SUPPLY NOTICE A qualified service person must connect heater to gas supply. Follow all local codes. WARNING ICON G 001 CAUTION Never connect heater directly to the propane supply. This heater requires an external regulator (not supplied). Install the external regulator between the heater and propane[...]

16 102991 INST ALLING Continued The installer must supply an external regulator. The external regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to between 11 and 14 inches of water. If you do not reduce incoming gas pressure, heater regulator damage could occur. Install external regulator with the vent pointing down[...]

17 102991 WARNING ICON G 001 CAUTION Avoid damage to regulator. Hold gas regulator with wrench when connecting it to gas piping and/or fittings. Figure 14 - Gas Connection * Purchase the optional A.G.A. design-certified manual shutoff valve from your dealer. See Accessories , page 33. ** Minimum inlet pressure for purpose of input adjustment. INST [...]

18 102991 ON POSITION OFF POSITION 3. Pressurize supply piping system by either using compressed air or opening propane supply tank valve. 4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. 5. Correct all leaks at once. 6. Re-connect heater and manual shutoff valve to [...]

19 102991 INST ALLING Continued W ARNING Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. INSTALLING LOGS Each log is marked with a number. These numbers will help you identify the log when installing. It is very impo[...]

20 102991 OPERA TING HEA TER Manually- Controlled Models 1. STOP! Read the safety information above. 2. Make sure manual shutoff valve is fully open. 3. Press in and turn control knob clockwise Clockwise to the OFF position. Figure 21 - Control Knob and Ignitor Button Location 4. Wait five (5) minutes to clear out any gas. Then smell for gas, inclu[...]

21 102991 OPERA TING HEA TER Manually- Controlled Models Continued T O TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Press in and turn control knob clockwise Clockwise to the HIGH position. 2. Turn control knob clockwise Clockwise to the pilot position. 3. Press in control knob and turn clockwise Clockwise to the OFF position. Shutting Off Burne[...]

22 102991 MANUAL LIGHTING PROCEDURE 1. Follow steps 1 through 5 under Lighting Instructions, pages 20 and 21. 2. Depress control knob and light pilot with match. 3. Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob. Now follow step 8 on page 21. OPERA TING HEA TER Continued OPERA TING HEA TER T[...]

23 102991 Figure 23 - Control Knob and Ignitor Button Location 4. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information above. If you don’t smell gas, go to the next step. 5. Turn control knob counterclockwise C-clockwise to the PILOT position. Pr[...]

24 102991 INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 25 shows a correct pilot flame pattern. Figure 26 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. When the thermocouple cools, the heater wil[...]

25 102991 CLEANING AND MAINTENANCE WARNING ICON G 001 W ARNING Turn off heater and let cool before cleaning. WARNING ICON G 001 CAUTION You must keep control areas, burner, and circulating air passage- ways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person. Heater may need mor[...]

26 102991 TROUBLE- SHOOTING Continued REMEDY 1. Turn on gas supply or open manual shutoff valve 2. Turn control knob to PILOT position 3 . Press in control knob while in PILOT position 4. Continue holding down control knob. Repeat igniting operation until air is removed 5. Contact local propane gas company 6. Clean ODS/pilot (see Cleaning and Maint[...]

27 102991 TROUBLE- SHOOTING Continued OBSERVED PROBLEM Burner does light after ODS/pilot is lit Delayed ignition of burner Burner backfiring during combustion Slight smoke or odor during initial operation Moisture/condensa- tion noticed on windows Heater produces a whistling noise when burner is lit REMEDY 1. Clean burner (see Cleaning and Mainte- [...]

28 102991 TROUBLE- SHOOTING Continued W ARNING If you smell gas • Shut off gas supply. • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor ’ s phone. Follow the gas supplier ’ s instructions. • If you cannot reach your ga[...]

29 102991 OPTIONAL POSITIONING OF THERMOST A T 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 thermostat sensing bulb. The thermostat sensing bulb is located near the gas v [...]

30 102991 OPTIONAL POSITIONING OF THERMOST A T SENSING BULB For Masonry and Factory-built Metal Fireplace Continued Adhesive-backed Mounting Clip Figure 30 - Locating Thermostat Sensing Bulb on Masonry Fireplace Thermostat Sensing Bulb If you hav e a factory-b uilt metal f ireplace, see Figure 31 for location. Adhesive-backed Mounting Clip Thermost[...]

31 102991 TECHNICAL SERVICE 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). SPECIFICA TIONS 18" Model 24" Models 30" Model Btu (Variable) 16,000/30,000 20,000/39,000 20,000/39,000 Type Gas Propane O[...]

32 102991 Note: Use only original replacement parts. This will protect your warranty cover- age for parts replaced under warranty. Parts Under Warranty Contact authorized dealers of this product. If they can’t supply original replace- ment part(s), call DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564). When c[...]

33 102991 ACCESSORIES Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, call DESA International’s Sales Department at 1-800-472-7879 for referral information. You can also write to the address listed on the back page of this manual. MANUAL SHUTOFF VALVE - GA5010 For all models. Manual shutoff v[...]

34 102991 ILLUSTRA TED P ARTS BREAKDOWN V ariable Manually- Controlled Models 5 3 2 1 4 22 11 12 13 21 8 22 22 6 7 10 9 16 15 17 19 23 18 14 19 24 20-2 20-1 20 18 25 CGD3018P CGD3924P CGD3930P[...]

35 102991 This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 33 of this manual. P ARTS LIST KEY CGD3018P CGD3924P CGD3930P NO. PART NUMBER PART NUMBER PART NUMBER DESCRIPTION QTY. 1 103008-02 103008-01 103008-03 Back Log (#1) 1 2 103009-02 103009-01 103009-03[...]

36 102991 ILLUSTRA TED P ARTS BREAKDOWN Thermostatically- Controlled Manuals CGD3924PT 5 22 22 22 3 2 1 4 21 8 6 7 11 12 13 9 10 17 19 19 24 20-2 20-1 20 18 23 25 16 22 15 14[...]

37 102991 This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 33 of this manual. P ARTS LIST KEY CGD3924PT NO. PART NUMBER DESCRIPTION QTY. 1 103008-01 Back Log (#1) 1 2 103009-01 Middle Log (#2) 1 3 103010-01 Front Log (#3) 1 4 103011-01 Crossover Log (#4) 1 [...]

38 102991 NOTES ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ _________[...]

39 102991 NOTES ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ _________[...]

KEEP THIS WARRANTY W ARRANTY INFORMA TION Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty. We make no other warranty, expressed or implied. Model Serial No. Date Purchased LIMITED [...]