Desa CCL3930NR manual

Save this manual for future reference. WARNING: Improper installation, ad- justment, alteration, service, or mainte- nance can cause injury or property dam- age. Refer to this manual for correct installation and operational procedures. For assistance or additional informa- tion consult a qualified installer, ser- vice agency, or the gas supplier. W[...]

2 107553 UNVENTED NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com SAFETY INFORMA TION Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning resemble the flu, with headaches, dizziness, or nausea. If you have these signs, the heater may not be work- ing properly. Get fresh air at once! Have heater serviced. Some p[...]

3 107553 OWNER’S MANUAL For more information, visit www.desatech.com AUTO ON OFF COOLER WARMER TEMP PRODUCT IDENTIFICA TION Figure 1 - Yellow Flame Vent-Free Gas Log Heater Shown (Logs May Vary by Model) OPERATION This heater is clean burning. It requires no outside venting. There is no heat loss out a vent or up a chimney. Heat is generated by r[...]

4 107553 UNVENTED NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com AIR FOR COMBUSTION AND VENTILA TION Today’s homes are built more energy effi- cient than ever. New materials, increased insulation, and new construction methods help reduce heat loss in homes. Home owners weather strip and caulk around windows and doors to kee[...]

5 107553 OWNER’S MANUAL For more information, visit www.desatech.com AIR FOR COMBUSTION AND VENTILA TION Continued DETERMINING FRESH-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 hea[...]

6 107553 UNVENTED NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com AIR FOR COMBUSTION AND VENTILA TION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must pro- vide two permanent openings: one wit[...]

7 107553 OWNER’S MANUAL For more information, visit www.desatech.com INST ALLA TION WARNING: A qualified ser- vice person must install heater. Follow all local codes. WARNING: 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 quali- fied chimney cleaner[...]

8 107553 UNVENTED NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com INST ALLA TION Continued Heat Resistant Material (A) Minimum Noncombustible Material Clearances If Not Using Mantel Note: If using a mantel, go to If Using Mantel . If not using a mantel, follow the information below. You must have noncombustible material(s) abo[...]

9 107553 OWNER’S MANUAL For more information, visit www.desatech.com INST ALLA TION Continued Figure 6 - Minimum Mantel Clearances Without Using Hood MANTEL CLEARANCES In addition to meeting noncombustible mate- rial clearances, you must also meet required clearances between fireplace opening and mantel shelf. If you do not meet the clear- ances [...]

10 107553 UNVENTED NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com INST ALLA TION Continued INSTALLING HEATER BASE ASSEMBLY IMPORTANT: Make sure the heater burn- ers are level. If heater is not level, heater will not work properly. WARNING: If installing in a sunken fireplace, special care is needed. You must raise the fire- p[...]

11 107553 OWNER’S MANUAL For more information, visit www.desatech.com CAUTION: Avoid damage to regulator. Hold gas regulator with wrench when connecting it to gas piping and/or fittings. INST ALLA TION Continued Continued CONNECTING TO GAS SUPPLY WARNING: A qualified service person must connect heater to gas supply. Follow all local codes. Instal[...]

12 107553 UNVENTED NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com INST ALLA TION Continued Figure 14 - Equipment Shutoff Valve ON POSITION OFF POSITION Open Equipment Shutoff Valve Figure 15 - Checking Gas Joints Gas Meter Equipment Shutoff Valve Thermostat Gas Valve or Control Valve Location Closed WARNING: Never use an open[...]

13 107553 OWNER’S MANUAL For more information, visit www.desatech.com AUTO OFF ON 3 AUTO OFF ON INST ALLA TION Continued AUTO OFF O N WARNING: 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 (CGD392[...]

14 107553 UNVENTED NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com A U T O OFF ON INST ALLA TION Continued Figure 25 - Installing Crossover Log (#4) 4. Locate the notches in the bottom of the crossover log (#4). Place the crossover log on top of the middle log and front log. Make sure the notches of the cross- over log lines u[...]

15 107553 OWNER’S MANUAL For more information, visit www.desatech.com 1. STOP! Read the safety inf ormation in columns 1 and 2. 2. Make sur e equipment shutoff valve is fully open. 3. Set selector switch in the OFF position. WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result caus- ing property damage, perso[...]

16 107553 UNVENTED NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com TO TURN OFF GAS TO APPLIANCE 1. Follow steps 1 thr ough 6 under Light- ing Instructions , pages 15 and 16. 2. Depress contr ol knob and light pilot with match. 3. Keep control knob pr essed in for 30 seconds after lighting pilot. After 30 seconds, release contr[...]

17 107553 OWNER’S MANUAL For more information, visit www.desatech.com OPERA TING HEA TER Continued Thermocouple Pilot Burner Figure 37 - Correct Pilot Flame Pattern Figure 38 - Incorrect Pilot Flame Pattern INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 37 shows a correct pilot flame patte[...]

18 107553 UNVENTED NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burner, and circu- lating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qua[...]

19 107553 OWNER’S MANUAL For more information, visit www.desatech.com Continued TROUBLESHOOTING WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/ pilot unit. POSSIBLE CAUSE 1. Ignito[...]

20 107553 UNVENTED NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com OBSERVED PROBLEM Burner does light after ODS/pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation Moisture/condensation noticed on windows Heater produces a whistling noise when burner is lit Whi[...]

21 107553 OWNER’S MANUAL For more information, visit www.desatech.com TROUBLESHOOTING Continued WARNING: 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 su[...]

22 107553 UNVENTED NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com ILLUSTRA TED PA R T S BREAKDOWN CGD3924NRA 7 16 16 17 25 16 3 2 1 4 11 21 10 9 12 15 8 19 18 20 6 14 5 13 27 26 26 22 23 24 O F F P I L O T O N H I L O O F F P I L O T O N H I L O 28 29[...]

23 107553 OWNER’S MANUAL For more information, visit www.desatech.com This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. P ARTS LIST CGD3924NRA KEY NO. PART NUMBER DESCRIPTION QTY. 1 103008-01 Back Log (#1) 1 2 103009-01 Middle Log (#2) 1[...]

24 107553 UNVENTED NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com ILLUSTRA TED PAR TS BREAKDOWN CCL3924NR CCL3930NR 30 18 18 19 27 18 13 23 12 11 14 4 5 1 2 17 10 21 20 22 6 7 3 9 16 8 15 29 28 28 25 26 O F F P I L O T O N H I L O O F F P I L O T O N H I L O 24 31 32[...]

25 107553 OWNER’S MANUAL For more information, visit www.desatech.com PAR TS LIST CCL3924NR CCL3930NR KEY CCL3924NR CCL3930NR NO. PART NUMBER PART NUMBER DESCRIPTION QTY. 1 105923-03 105923-02 Front Log (#1) 1 2 105924-03 105924-02 Middle Log (#2) 1 3 105925-03 105925-02 Back Log (#3) 1 4 105926-03 105926-02 Left Back Crossover Log (#4) 1 5 10592[...]

26 107553 UNVENTED NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com 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?[...]

27 107553 OWNER’S MANUAL For more information, visit www.desatech.com SPECIFICA TIONS CGD3924NRA Btu (Variable) 20,000/39,000 Type Gas Natural Gas Only Ignition Piezo Manifold Pressure 3.5" W.C. Inlet Gas Pressure (in. of water) Maximum 10.5" Shipping Weight 30 lbs. CCL3924NR Btu (Variable) 20,000/39,000 Type Gas Natural Gas Only Igniti[...]

LIMITED WARRANTY COMFORT GLOW VENT-FREE NATURAL GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for two (2) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions. To make a claim[...]