Desa CGG2618N manual

1 103424 OWNER’S MANUAL Save this manual for future reference. ® WARNING: Improper installation, ad- justment, alteration, service, or main- tenance can cause injury or property damage. Refer to this manual for cor- rect installation and operational proce- dures. For assistance or additional in- formation consult a qualified installer, service a[...]

2 UNVENTED NA TURAL GAS LOG HEA TER 103424 WARNING: Any change to this heater or its controls can be dangerous. SAFETY INFORMA TION Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning re- semble the flu, with headaches, dizziness, or nausea. If you have these signs, the heater may not be working properly. Get fresh air at once! Have[...]

3 103424 OWNER’S MANUAL 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 ANS Z223 , also known as NFPA 54*. *Available from: American National Standards Institute,Inc. 1430 Broadway New York, NY 10018 National Fire Protection Association, Inc.[...]

4 UNVENTED NA TURAL GAS LOG HEA TER 103424 AIR FOR COMBUSTION AND VENTILA TION Today’s homes are built more energy efficient than ever. New materials, increased insula- tion, and new construction methods help re- duce heat loss in homes. Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in. Dur[...]

5 103424 OWNER’S MANUAL 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 worksheet 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 pas[...]

6 UNVENTED NA TURAL GAS LOG HEA TER 103424 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 within 12" of the ceiling and one within 12[...]

7 103424 OWNER’S MANUAL INST ALLA TION WARNING: A qualified ser- vice person must install heater. Follow all local codes. WARNING: Before installing in a solid fuel fireplace, the chim- ney flue and firebox must be cleaned of soot, ashes, and loose paint by a qualified chimney cleaner. Creosote will ignite if highly heated. A dirty chimney flue m[...]

8 UNVENTED NA TURAL GAS LOG HEA TER 103424 Heat Resistant Material (A) INST ALLA TION Continued Minimum Noncombustible Material Clearances If Not Using Mantel Note: If using a mantel, proceed to If Using Mantel . If not using a mantel, follow the information below. You must have noncombustible material(s) above the fireplace opening. Noncombus- tib[...]

9 103424 OWNER’S MANUAL Minimum Non- Combustible Material Minimum Non- Combustible Material Height Distances to Underside of Mantel Top of Fireplace Opening Underside of Mantel Shelf 12" 8" (A) 20" 14" 24 1 /2 " 16 3 /4 " 27 1 /2 " 18 1 /2 " 30" 20" All minimum distances are in inches Log Set 24&q[...]

10 UNVENTED NA TURAL GAS LOG HEA TER 103424 INSTALLING HEATER BASE ASSEMBLY WARNING: If installing in a sunken fireplace, special care is needed. You must raise the fire- place floor to allow access to heater control panel. This will in- sure adequate air flow and guard against sooting. Raise fireplace floor with noncombustible mate- rial. Make sur[...]

11 103424 OWNER’S MANUAL INST ALLA TION Continued Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator 4. Remove heater base from fireplace. 5. Drill holes at marked locations using 3/16" drill bit. Drill at a 45° angle. 6. Attach base to fireplace floor using masonry screws in hardware package (see Figure 12). 7. Connect to gas [...]

12 UNVENTED NA TURAL GAS LOG HEA TER 103424 ON POSITION OFF POSITION Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1/2 PSIG 1. Disconnect heater and its individual manual shutoff valve from gas supply piping system. Pressures in excess of 1/2 psig will damage heater regulator . 2. Cap off open end of gas pipe where manual sh[...]

13 103424 OWNER’S MANUAL 2 4 4 3 Each log is marked with a number. These numbers will help you identify the log when installing. It is very important to install these logs exactly as instructed. Do not modify logs. Only use logs supplied with heater. 1. Slide rear log (#1) into place behind rear burner . Make sure flat areas at bot- tom of log ar[...]

14 UNVENTED NA TURAL GAS LOG HEA TER 103424 Figure 20 - Control Knob and Ignitor But- ton Location Control Knob Ignitor Button LIGHTING INSTRUCTIONS WARNING: • If fireplace has glass doors, never operate this heater with glass doors closed. If you oper- ate heater with doors closed, heat buildup inside fireplace will cause glass to burst. Also if[...]

15 103424 OWNER’S MANUAL 1. STOP! Read the safety inf ormation, column 2. 2. Make sur e manual shutoff valve is fully open. 3. Press in and tur n control knob clock- wise Clockwise to the OFF position. NOTICE: During initial operation of new heater, burning logs will give off a paper-burning smell. Orange flame will also be present. Open damper o[...]

16 UNVENTED NA TURAL GAS LOG HEA TER 103424 INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 24 shows a correct pilot flame pattern. Figure 25 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touch- ing the thermocouple. This will cause the thermocouple to cool. When th[...]

17 103424 OWNER’S MANUAL CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burners, and cir- culating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a quali- fied service person. Heater may need more frequent cleani[...]

18 UNVENTED NA TURAL GAS LOG HEA TER 103424 TROUBLESHOOTING WARNING: Turn off and un- plug heater and let cool before servicing. Only a qualified ser- vice 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. Ignitor electrode not connect[...]

19 103424 OWNER’S MANUAL OBSERVED PROBLEM One or both burners do not light after ODS/ pilot is lit Delayed ignition of one or both burners Burner backfiring during combustion Yellow flame in front burner during burner combustion Slight smoke or odor during initial operation Moisture/condensation noticed on windows Heater produces a whistling nois[...]

20 UNVENTED NA TURAL GAS LOG HEA TER 103424 TROUBLESHOOTING Continued IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors. These odors will disappea[...]

21 103424 OWNER’S MANUAL Figure 33 - Locating Thermostat Sensing Bulb on Masonry Fireplace 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 [...]

22 UNVENTED NA TURAL GAS LOG HEA TER 103424 TECHNICAL SER VICE You may have further questions about in- stallation, operation, or troubleshooting. If so, contact DESA International’s Techni- cal Service Department at 1-800-DESA LOG (1-800-337-2564). You can also visit DESA International’s Technical Service web site at www.desatech.com. SER VICE[...]

23 103424 OWNER’S MANUAL 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 Techni- cal Service Department at 1-800-323-5190. REPLACEM[...]

24 UNVENTED NA TURAL GAS LOG HEA TER 103424 ILLUSTRA TED PA R T S BREAKDOWN Variable Manually-Controlled Models CGG2618N CGG3324N CGG3630N 18 20 19 26 25 21 21 27 5 6 7 8 29 29 25 10 9 11 12 13 15 22 23 27-1 27-2 24 7-1 7-2 14 16 17 3 4 1 2[...]

25 103424 OWNER’S MANUAL P ARTS LIST Variable Manually-Controlled Models CGG2618N CGG3324N CGG3630N This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 23 of this manual. KEY PART NUMBER FOR NO. CGG2618N CGG3324N CGG3630N DESCRIPTION QTY. 1 103681-04 103682-[...]

26 UNVENTED NA TURAL GAS LOG HEA TER 103424 ILLUSTRA TED PA R T S BREAKDOWN Thermostat-Controlled Model CGG3324NT 5 6 25 6 7 8 9 10 11 8 8 29 13 12 13 14 15 16 18 17 19 24 26 27 7-1 7-2 29 22 23 21 28 20 30 10-1 10-2 3 4 1 2[...]

27 103424 OWNER’S MANUAL P ARTS LIST Thermostat-Controlled Model CGG3324NT This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 23 of this manual. KEY PART NO. NUMBER DESCRIPTION QTY. 1 103682-04 Rear Log (#1) 1 2 103682-02 Bottom Middle Log (#2) 1 3 103682-0[...]

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[...]