Comfort Glow CGD3018NT Installation Manual

Save this manual for future reference.WARNING: If the information in thismanual is not followed exactly, a fire orexplosion may result causing propert

10104340VENT-FREE NATURAL GAS LOG HEATERINSTALLATIONContinuedINSTALLING DAMPERCLAMP ACCESSORY FORVENTED OPERATIONNote: When used as a vented heater, a

11104340OWNER’S MANUALINSTALLATIONContinuedINSTALLING HEATER BASEASSEMBLYIMPORTANT: Make sure the heater burn-ers are level. If heater is not level, h

12104340VENT-FREE NATURAL GAS LOG HEATER CAUTION: Avoid damage toregulator. Hold gas regulator withwrench when connecting it to gaspiping and/or fitti

13104340OWNER’S MANUAL WARNING: Never use an openflame to check for a leak. Apply amixture of liquid soap and waterto all joints. Bubbles formingshow

14104340VENT-FREE NATURAL GAS LOG HEATERINSTALLATIONContinued WARNING: Failure to positionthe parts in accordance with thesediagrams or failure to use

15104340OWNER’S MANUALINSTALLATIONContinuedDual Burner Premium AgedSplit Oak Models WARNING: Failure to positionthe parts in accordance with thesediag

16104340VENT-FREE NATURAL GAS LOG HEATERSingle Burner Mountain OakModelsINSTALLATIONContinued WARNING: Failure to positionthe parts in accordance with

17104340OWNER’S MANUAL1. STOP! Read the safety information,column 1.2. Make sure manual shutoff valve isfully open.3. Press in and turn control knob c

18104340VENT-FREE NATURAL GAS LOG HEATER1. STOP! Read the safety information,column 2.2. Make sure manual shutoff valve isfully open.3. Turn control k

19104340OWNER’S MANUALLOHIOFFPilotFigure 32 - Control Knob and Ignitor But-ton Location5. Turn control knob counterclockwiseC-clockwise to the PILOT p

2104340VENT-FREE NATURAL GAS LOG HEATER1. This appliance is only for use with thetype of gas indicated on the rating plate.This appliance is not conve

20104340VENT-FREE NATURAL GAS LOG HEATERCLEANING ANDMAINTENANCE WARNING: Turn off heaterand let cool before cleaning. CAUTION: You must keepcontrol ar

21104340OWNER’S MANUALTROUBLESHOOTING WARNING: Turn off and un-plug heater and let cool beforeservicing. Only a qualified ser-vice person should servi

22104340VENT-FREE NATURAL GAS LOG HEATEROBSERVED PROBLEMBurner does light after ODS/pilot is litDelayed ignition burnerBurner backfiring during combus

23104340OWNER’S MANUALTROUBLESHOOTINGContinued WARNING: If you smell gas• Shut off gas supply.• Do not try to light any appliance.• Do not touch any e

24104340VENT-FREE NATURAL GAS LOG HEATERAdhesive-backedMounting ClipFigure 41 - Locating Thermostat SensingBulb on Masonry FireplaceThermostatSensing

25104340OWNER’S MANUALTECHNICALSERVICEYou may have further questions about in-stallation, operation, or troubleshooting.If so, contact DESA Internatio

26104340VENT-FREE NATURAL GAS LOG HEATERThese Parts Centrals are privately owned businesses. They have agreed to support our customer’s needs by provi

27104340OWNER’S MANUALACCESSORIESPurchase these fireplace accessories fromyour local dealer. If they can not supplythese accessories, call DESA Intern

28104340VENT-FREE NATURAL GAS LOG HEATERILLUSTRATEDPARTSBREAKDOWNVariable Manually-ControlledSmoky Mountain Oak ModelsCGD3018NCGD3924NCGD3930N53214211

29104340OWNER’S MANUALThis list contains replaceable parts used in your heater. When ordering parts, follow theinstructions listed under Replacement P

3104340OWNER’S MANUALPRODUCTIDENTIFICATIONFigure 1 - Vent-Free Gas Log Heater - Duel Burner (Logs May Vary by Model -Yellow Flame Logs Shown)LOCAL COD

30104340VENT-FREE NATURAL GAS LOG HEATERILLUSTRATEDPARTSBREAKDOWNThermostatically-ControlledPremium Aged Split Oak Models242121212186711124153213 910

31104340OWNER’S MANUALThis list contains replaceable parts used in your heater. When ordering parts, follow theinstructions listed under Replacement P

32104340VENT-FREE NATURAL GAS LOG HEATERILLUSTRATEDPARTSBREAKDOWNThermostatically-ControlledSmoky Mountain Oak Models5212121321421867111213 910171919

33104340OWNER’S MANUALThis list contains replaceable parts used in your heater. When ordering parts, followthe instructions listed under Replacement P

34104340VENT-FREE NATURAL GAS LOG HEATERILLUSTRATEDPARTSBREAKDOWNVariable Manually-ControlledMountain Oak ModelsCY2718NCY3124N421312211011217215689151

35104340OWNER’S MANUALKEY CY2718N CY3124NNO. PART NUMBER PART NUMBER DESCRIPTION QTY.1 103729-04 103729-03 Back Log (#1) 12 103730-04 103730-03 Front

LIMITED WARRANTYCOMFORT GLOW VENT-FREE NATURAL GAS LOG HEATERSDESA International warrants this product to be free from defects in materials and compon

4104340VENT-FREE NATURAL GAS LOG HEATERAIR FORCOMBUSTION ANDVENTILATIONToday’s homes are built more energy effi-cient than ever. New materials, increa

5104340OWNER’S MANUALAIR FORCOMBUSTION ANDVENTILATIONContinuedDETERMINING FRESH-AIR FLOW FOR HEATER LOCATIONDetermining if You Have a Confined or Unco

6104340VENT-FREE NATURAL GAS LOG HEATERAIR FORCOMBUSTION ANDVENTILATIONContinuedVENTILATION AIRVentilation Air From InsideBuildingThis fresh air would

7104340OWNER’S MANUALINSTALLATIONNOTICE: A qualified service per-son must install heater. Followall local codes. WARNING: Before installingin a solid

8104340VENT-FREE NATURAL GAS LOG HEATERIf Using MantelYou must have noncombustible material(s)above the fireplace opening. Noncombus-tible materials (

9104340OWNER’S MANUALFigure 7 - Minimum Mantel Clearances Without Using HoodMANTEL CLEARANCESIn addition to meeting noncombustible mate-rial clearance