Desa CGD3018PT/NT, CRL2718P/N, CRL3124P/N, CGD3924PT/NT installation manual Table Of Contents

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TABLE OF CONTENTS

WARNING: Improper installation, adjustment, altera- tion, service, or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer, service agency, or the gas supplier.

WARNING: This appliance is for installation only in a solid-fuel burning masonry or UL127 factory-built fire- place, or in a listed ventless firebox enclosure. It is design-certified for these installations in accordance with ANSI Z21.11.2. Exception: Do not install this appli- ance in a factory-built fireplace that includes instruc- tions stating it has not been tested or should not be used with unvented gas logs.

WARNING: This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed. Provisions for adequate combustion and ventilation air must be provided. Refer to Air for Combustion and Ventilation section on page 5 of this manual.

This appliance may be installed in an aftermarket,* permanently located, manufactured (mobile) home, where not prohibited by local codes.

This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases.

*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

TABLE OF CONTENTS

Safety Information	3
Product Identification	4
Local Codes	5
Unpacking	5
Product Features	5
Air for Combustion and Ventilation	5
Installation	8
Operating Heater	20
Inspecting Burners	24
Cleaning and Maintenance	24


Service Hints		25
Technical Service		25
Troubleshooting		26
Optional Positioning of Thermostat Sensing Bulb ..		29
Replacement Parts		30
Specifications		31
Illustrated Parts Breakdown and Parts List		33
Parts Central		42
Accessories		43
Warranty Information	Back Cover

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Contents —WHAT TO DO IF YOU SMELL GAS TABLE OF CONTENTS SAFETY INFORMATION Continued SAFETY INFORMATIONPRODUCT IDENTIFICATION LOCAL CODES PRODUCT FEATURESSAFETY PILOT UNPACKINGContinued DETERMINING FRESH-AIRFLOW FOR HEATER LOCATIONVENTILATION AIR 5.3or applicable local codesContinued Figure 3 - Ventilation Air from Inside BuildingINSTALLATION Continued MINIMUM FIREPLACE CLEARANCEMANTEL CLEARANCES Without Using HoodContinued Figure 6 - Heat Resistant Material SlateFLOOR CLEARANCES When Using HoodContinued Figure 10 - Minimum FireplaceINSTALLING HEATER BASE ASSEMBLY Fireplace Floor - Dual Burner Model CONNECTING TO GAS SUPPLYFigure 13 - Attaching Base Assembly to CHECKING GAS CONNECTIONS Figure 18 - Checking Gas Joints ContinuedFigure 17 - Equipment Shutoff Valve Propane/LP Gas ModelsContinued INSTALLING LOGSdamage or personal injury Figure 27 - Installing Crossover Log #4 Figure 25 - Installing Middle Log #2Figure 26 - Installing Rear Log #3 Figure 24 - Installing Front Log #1Continued Figure 29 - Installing Crossover Log #5Figure 31 - Installing Crossover Log #7 HolesAssembly Back Log Post Base Assembly PostFigure 32 - Installing Back Log Figure 33 - Installing Front LogREAD BEFORE LIGHTING MANUALLY-CONTROLLED MODELS FOR YOUR SAFETYOPERATING HEATER LIGHTING INSTRUCTIONSTO TURN OFF GAS TO APPLIANCE MANUAL LIGHTING PROCEDUREVARIABLE CONTROL OPERATION Shutting Off HeaterREAD BEFORE LIGHTING THERMOSTAT-CONTROLLED MODELS FOR YOUR SAFETY1.STOP! Read the safety information, col- umn LIGHTING INSTRUCTIONSTO TURN OFF GAS TO APPLIANCE MANUAL LIGHTING PROCEDUREContinued THERMOSTAT CONTROL OPERATIONMAIN BURNER PILOT FLAME PATTERNBURNER PRIMARY AIR HOLES BURNER INJECTOR HOLDER AND PILOT AIR INLET HOLEMAIN BURNER ContinuedLOGS Figure 41 - Injector Holder On Outlet Burner TubePOSSIBLE CAUSE TROUBLESHOOTINGOBSERVED PROBLEM REMEDYPOSSIBLE CAUSE OBSERVED PROBLEMContinued REMEDYWARNING: If you smell gas •Shut off gas supply Figure 44 - Adhesive-backedMounting Clip Assembly and Thermostat Sensing BulbFOR MASONRY AND FACTORY- BUILT METAL FIREPLACE Figure 45 - Removing Thermostat Sensing BulbPARTS NOT UNDER WARRANTY REPLACEMENT PARTSPARTS UNDER WARRANTY OPTIONAL POSITIONING OF THERMOSTAT SENSING BULBDUAL BURNER BILTMORE SPLIT OAK MODELS SPECIFICATIONSDUAL BURNER SMOKY MOUNTAIN OAK MODELS SINGLE BURNER SEASONAL OAK MODELSILLUSTRATED PARTS BREAKDOWN PARTS LIST 1 2 10 7 14 8 15 21 4 3 2019 11 13 9 6 21 21 5 19 17 21103008-02 21 23 22 1420 24 21 13 15 11 8 23 233 12 6 9 16 10 17 23 18 111160-01C111340-03 22 1420 24 21 13 15 11 8 23 23 9 111160-01CPeg positions vary according to model 2 5 7 12 6 25 16 10 17 23 18111340-02 111160-01C VARIABLE MANUALLY-CONTROLLEDSEASONAL OAK MODELS Master Parts Dist PARTS CENTRALPortable Heater Parts Washer Equipment CoFIREPLACE HOOD EQUIPMENT SHUTOFF VALVE - GA5010INFORMATION VIDEO - DAMPER CLAMP - GA6080 Not ShownModel ____________________________ KEEP THIS WARRANTYLIMITED WARRANTY Serial No. _________________________