Page 2 - WARNINGS; DANGER: Carbon monoxide
2 103425 UNVENTED (VENT-FREE) GAS LOG HEATER WARNING: Any change to this heater or its controls can bedangerous. 1. This appliance is only for use with thetype of gas indicated on the rating plate.This appliance is not convertible for usewith other gases. 2. Do not place propane/LP supply tank(s)ins...
Page 3 - OWNER’S MANUAL; LOCAL CODES; American National Standards Institute, Inc.; OPERATION; UNPACKING; Do not pick up; CAUTION: Do not remove the
3 103425 OWNER’S MANUAL LOCAL CODES Install and use heater with care. Follow alllocal codes. In the absence of local codes, usethe latest edition of The National Fuel GasCode ANS Z223, also known as NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 100...
Page 4 - Unusually Tight Construction; openings gasketed or sealed and; Confined and Unconfined Space; per; WARNING: This heater shall
4 103425 UNVENTED (VENT-FREE) GAS LOG HEATER AIR FORCOMBUSTION ANDVENTILATION Today’s homes are built more energy efficientthan ever. New materials, increased insula-tion, and new construction methods help re-duce heat loss in homes. Home owners weatherstrip and caulk around windows and doors tokeep...
Page 5 - Determining if You Have a Confined or Unconfined Space
5 103425 OWNER’S MANUAL AIR FORCOMBUSTION ANDVENTILATION 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 heat...
Page 6 - Figure 3 - Ventilation Air from Outdoors; Ventilation Air From Outdoors; Do not provide openings for; Figure 2 - Ventilation Air from Inside Building
6 103425 UNVENTED (VENT-FREE) GAS LOG HEATER AIR FORCOMBUSTION ANDVENTILATION Continued VENTILATION AIR Ventilation Air From InsideBuilding This fresh air would come from an adjoiningunconfined space. When ventilating to anadjoining unconfined space, you must pro-vide two permanent openings: one wit...
Page 7 - INSTALLATION; CHECK GAS TYPE; LOG SIZING REQUIREMENTS; A. C l e a r a n c e s f r o m t h e s i d e o f t h e
7 103425 OWNER’S MANUAL INSTALLATION WARNING: A qualified ser- vice person must install heater.Follow all local codes. WARNING: Before installing in a previously-used wood-burn-ing fireplace, clean chimney flueand firebox. Make sure flue isfree of any creosote. Creosotewill ignite if highly heated. ...
Page 8 - If using a mantel, proceed to If Using
8 103425 UNVENTED (VENT-FREE) GAS LOG HEATER If Using Mantel You must have noncombustible material(s)above the fireplace opening. Noncombus-tible materials (such as slate, marble, tile,etc.) must be at least 1/2 inch thick. Withsheet metal, you must have noncombustiblematerial behind it. Noncombusti...
Page 9 - Figure 6 - Minimum Mantel Clearances Without Using Hood; MANTEL CLEARANCES; Figure 7 - Minimum Mantel Clearances When Using Hood; FLOOR CLEARANCES; A. If installing appliance on the floor level,; flue damper open
9 103425 OWNER’S MANUAL Minimum Non-Combustible Material Minimum Non-Combustible Material Height Distances to Underside ofMantel Top of FireplaceOpening Underside ofMantel Shelf 12" 8" (A) 20" 14" 25" 17" 28" 19" 30" 20" All minimum distances arein inches Log ...
Page 10 - You prefer vented operation.; Clamp; Figure 10 - Attaching Damper Clamp; Make sure the heater burners
10 103425 UNVENTED (VENT-FREE) GAS LOG HEATER INSTALLING HEATER BASEASSEMBLY WARNING: If installing in a sunken fireplace, special care isneeded. You must raise the fire-place floor to allow access toheater control panel. This will in-sure adequate air flow and guardagainst sooting. Raise fireplacef...
Page 11 - Installation Items Needed; Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator
11 103425 OWNER’S MANUAL INSTALLATION Installation Items Needed • hardware package (provided with heater) • approved flexible gas hose (not provided) (if allowed by local codes) • sealant (resistant to propane/LP gas, not provided) • electric drill with 3/16" masonry drill bit 1. Apply pipe join...
Page 12 - CAUTION: Avoid damage to; Figure 14 - Gas Connection; CAUTION: Never connect; WARNING: Never connect
12 103425 UNVENTED (VENT-FREE) GAS LOG HEATER Tee Joint PipeNipple Cap 3" Minimum Sediment Trap GasRegulator From ExternalRegulator(11" W.C.** to14" W.C. Pressure) CSA Design-CertifiedManual Shutoff Valve With1/8" NPT Tap* Approved FlexibleGas Hose (if allowedby local codes) CAUTION:...
Page 13 - Test Pressures In Excess Of 1/2 PSIG; WARNING: Never use an open; Figure 15 - Manual Shutoff Valve; Figure 16 - Checking Gas Joints; Correct all leaks at once.
13 103425 OWNER’S MANUAL Pressure Testing Gas SupplyPiping System Test Pressures In Excess Of 1/2 PSIG 1. Disconnect heater and its individualmanual shutoff valve from gas supplypiping system. Pressures in excess of1/2 psig will damage heater regulator. 2. Cap off open end of gas pipe wheremanual sh...
Page 14 - WARNING: Failure to position; INSTALLING LOGS; Figure 18 - Installing Bottom Mid Log
14 103425 UNVENTED (VENT-FREE) GAS LOG HEATER WARNING: Failure to position the parts in accordance with thesediagrams or failure to use onlyparts specifically approved withthis heater may result in propertydamage or personal injury. INSTALLING LOGS INSTALLATION Continued 3 Each log is marked with a ...
Page 15 - FOR YOUR SAFETY; • If fireplace has glass doors,
15 103425 OWNER’S MANUAL OPERATINGHEATER Thermostat-ControlledModels Figure 21 - Control Knob and IgnitorButton Location PILOT OFF LO HI 1. STOP! Read the safety informationin column 1. 2. Make sure manual shutoff valve isfully open. 3. Turn control knob clockwise to the OFF position. Control Knob I...
Page 16 - Shutting Off Heater; WARNING: Damper handle; Figure 23 - Control Knob and Ignitor Button Location
16 103425 UNVENTED (VENT-FREE) GAS LOG HEATER Note: Home owners generally prefer to operate their heater with the chimneydamper closed. This will put all the heatinto the room. However, there may betimes you will desire the full flames of theHigh heat setting but will find the heatoutput excessive. ...
Page 17 - WARNING: Do not operate; • turn heater off (see To Turn Off Gas to; Figure 25 - Correct Pilot Flame Pattern
17 103425 OWNER’S MANUAL 4. Wait five (5) minutes to clear out anygas. Then smell for gas, includingnear the floor. If you smell gas,STOP! Follow “B” in the safety in-formation, page 16. If you don’t smellgas, go to the next step. 5. Press in control knob and turn counter-clockwise C-clockwise to th...
Page 18 - LOGS; • If you remove logs for cleaning, refer to; WARNING: If yellow tipping; Figure 30 - Pilot Inlet Air Hole
18 103425 UNVENTED (VENT-FREE) GAS LOG HEATER CLEANING ANDMAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burners, and cir-culating air passageways ofheater clean. Inspect these areasof heater before each use. Haveheater inspected yearly by a ...
Page 19 - TROUBLESHOOTING; POSSIBLE CAUSE; All troubleshooting items are listed in
19 103425 OWNER’S MANUAL TROUBLESHOOTING WARNING: Turn off and un- plug heater and let cool beforeservicing. Only a qualified ser-vice person should service andrepair heater. CAUTION: Never use a wire, needle, or similar object to cleanODS/pilot. This can damage ODS/pilot unit. POSSIBLE CAUSE 1. Ign...
Page 20 - nance, page 18) or replace burner orifice
20 103425 UNVENTED (VENT-FREE) GAS LOG HEATER 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 burnercombustion Slight smoke or odor during initial operation Moistu...
Page 21 - OBSERVED PROBLEM; IMPORTANT; REMEDY
21 103425 OWNER’S MANUAL 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 od...
Page 22 - Do not remove the screw. Make; Do not crimp capillary.
22 103425 UNVENTED (VENT-FREE) GAS LOG HEATER Adhesive-backedMounting Clip Figure 34 - Locating Thermostat SensingBulb on Masonry Fireplace ThermostatSensing Bulb ; ; ; ; Q Q Q Q ¢ ¢ ¢ ¢ Adhesive-backedMounting Clip ThermostatSensingBulb Figure 35 - Locating Thermostat SensingBulb on Factory-built M...
Page 23 - SERVICE HINTS; When Gas Pressure Is Too Low; Model; SPECIFICATIONS; PARTS UNDER WARRANTY
23 103425 OWNER’S MANUAL TECHNICALSERVICE 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’sT e c h n i c a l S e r v i c e w e...
Page 25 - PARTS LIST; KEY
25 103425 OWNER’S MANUAL PARTS LIST VARIABLE MANUALLY-CONTROLLED MODELS CGG2618PCGG3324PCGG3630P This list contains replaceable parts used in your heater. When ordering parts, follow theinstructions listed under Replacement Parts on page 23 of this manual. KEY PART NUMBER FOR NO. CGG2618P CGG3324P C...
Page 28 - FIREPLACE HOOD
28 103425 UNVENTED (VENT-FREE) GAS LOG HEATER PARTS CENTRALS These Parts Centrals are privately owned busi-nesses. They have agreed to support ourcustomer’s needs by providing original replace-ment parts and accessories. When calling aParts Central, ask for the Parts Department. Baltimore Electric13...
Page 29 - NOTES
29 103425 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________________________________________________________...
Page 30 - KEEP THIS WARRANTY; WARRANTY INFORMATION; LIMITED WARRANTY; INTERNATIONAL; NOT A UPC
KEEP THIS WARRANTY WARRANTY INFORMATION Model Serial No. Date Purchased LIMITED WARRANTY COMFORT GLOW VENT-FREE PROPANE/LP 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 firstpurchase, provided that the ...