
DIRECT-VENT FIREPLACEOWNER’S OPERATION AND INSTALLATION MANUALNATURAL OR PROPANE/LP GAS MODEL CD36T-MFor more information, visit www.desatech.com WARN
www.desatech.com118531-01C10VENTING INSTALLATIONNOTICE: Read these instruc--These models are tes
www.desatech.com118531-01C 11INSTALLATION PLANNINGThere are two starter vent kits available for either a horizontal or a vertical installation:• CHV
www.desatech.com118531-01C12VENTING INSTALLATIONContinued WARNING: Do not recess 6.
www.desatech.com118531-01C 13H V GROUND FLOOR INSTALLATIONRecommended CHVK-58 Corner Horizontal Vent Kit:• Installation using cabinet surrounds• Thr
www.desatech.com118531-01C14VENTING INSTALLATIONContinuedHORIZONTAL VENT INSTALLATIONS USING MULTIPLE 90° ELBOWSThe following congurations show the
www.desatech.com118531-01C 15VENTING INSTALLATIONContinuedINSTALLATION FOR VERTICAL TERMINATIONNote: Vertical restrictor must be installed in all ver
www.desatech.com118531-01C165. Place ashing over pipe section(s) extend-ing through roof. Secure base of ashing to roof and framing with roong nai
www.desatech.com118531-01C 17VENTING INSTALLATIONContinuedFigure 24 - Vertical Venting Conguration Using Two 90° Elbows(Vertical Round High Wind Term
www.desatech.com118531-01C18VENTING INSTALLATIONContinued CVVK-58 Ceiling Vertical Vent Kit (Includes: 30° Offset Return, 7"
www.desatech.com118531-01C 195. Remove two screws and outer cover on left side of the outer cabinet.6. Reinsert junction box retaining flange th
www.desatech.com118531-01C2 -
www.desatech.com118531-01C206. While supporting speed control, secure control shaft with lock nut by pushing and turning lock nut with pliers cl
www.desatech.com118531-01C 21BlueV a riableFan SwitchFan Switch(N.O.)GreenWhiteOn1 1 0/115 V . A.C.BlowerMotorBlack Off12BlackFIREPLACE INSTALLATIONCo
www.desatech.com118531-01C22FIREPLACE INSTALLATIONContinuedFigure 33 - Connecting Wall Switch to Control ValveTo Wall Switch AccessoryINSTALLING OPTIO
www.desatech.com118531-01C 23FIREPLACE INSTALLATIONContinuedUse proper gas type for the replace unit you are installing. If your gas su
www.desatech.com118531-01C24FIREPLACE INSTALLATIONContinued We rec
www.desatech.com118531-01C 254. Check all joints of gas supply piping sys-tem. Apply noncorrosive leak detection uid to all joints. Bubbles formi
www.desatech.com118531-01C26FIREPLACE INSTALLATIONContinued -
www.desatech.com118531-01C 27FIREPLACE INSTALLATIONContinuedFigure 45 - Removing/Replacing Glass DoorFigure 46 - Installing LogsTop Left LogFront LogT
www.desatech.com118531-01C28OPERATIONFOR YOUR SAFETY WARNING: If you do not fol-low these instructions exactly,
www.desatech.com118531-01C 29MANUAL LIGHTING PROCEDURE1. Remove glass door (see Removing/Re-placing Glass Door, page 25).2. Follow steps 1 through
www.desatech.com118531-01C 3
www.desatech.com118531-01C30OPERATIONContinued3. Set the desired room temperature by pressing the TEMP + or - buttons.4. Press the POWER and
www.desatech.com118531-01C 31ThermocoupleThermopile1/8"Pilot BurnerPiezoIgnitorFigure 52 - Pilot Assembly (Millivolt)3/8" to 1/2"INSPEC
www.desatech.com118531-01C327. Loosen set screw on main burner air shut-ter, rotate to fully open, and retighten set screw (see Figure 56).8. Reposi
www.desatech.com118531-01C 33HILOOFF PILOT ON Figure 58 - Removing Mounting Screws, Regulator, Tower, and Diaphragm/Spring ComponentsMounting Screw
www.desatech.com118531-01C34--
www.desatech.com118531-01C 35TROUBLESHOOTING
www.desatech.com118531-01C36Pilot lights but flame goes out when control knob is releasedBurner does not light after pilot
www.desatech.com118531-01C 37TROUBLESHOOTINGContinued Glass sootsFireplace produces a clicking/ticking noise just after burners are li
www.desatech.com118531-01C38TROUBLESHOOTINGContinued 1. Gas leak. 1. Gas leak.
www.desatech.com118531-01C 39SERVICE HINTSWhen Gas Pressure Is Too Low• pilot will not stay lit• burners will have delayed ignition• replace will
www.desatech.com118531-01C4-dren when they are in the room
www.desatech.com118531-01C40PARTS1-281091-11231656713191-41-3241415171811
www.desatech.com118531-01C 41PARTSThis list contains replaceable parts used in your replace. When ordering parts,
www.desatech.com118531-01C42PARTS1235209181110191267171314161548
www.desatech.com118531-01C 43PARTSThis list contains replaceable parts used in your replace. When ordering parts, fo
NOT A UPC118531-01Rev. C06/08118531 01DESA Heating, LLC2701 Industrial DriveBowling Green, KY 42101www.desatech.com1-866-672-6040WARRANTYKEEP THIS WAR
www.desatech.com118531-01C 5LOCAL CODESInstall and use replace with care. Follow all local codes. In the absence to local codes, use the current N
www.desatech.com118531-01C6• When locating termination cap, it is impor-tant to observe the minimum clearances shown in Figure 7, page 8.• If re
www.desatech.com118531-01C 7Figure 4 - Framing Clearances for Installation Against an Exterior Wall36"36 1/4"Figure 5 - Framing Clearances f
www.desatech.com118531-01C8PRE-INSTALLATION PREPARATIONContinuedFigure 8 - Side Clearances for Combustible Materials33°SAFEZONE1 1/2"3 3/4"
www.desatech.com118531-01C 9FixedClosedOpenableFixedClosedOpenableVVVVVVVVXXVXGGJFBBKNHIANELDBMACBVVAGGBTERMINATION CAPAIR SUPPLY INLETGAS METER RESTR
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