Desa VMH26PRB, EFS26NRA, EFS26PRA, VMH26NRB installation manual Table of Contents

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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 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 6 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	Cleaning and Maintenance	...............................	26
Product Identification	4	Wiring Diagram		27
Optional Remote Control Accessories	5	Troubleshooting		28
Local Codes	5	Specifications		32
Product Features	5	Replacement Parts		33
Unpacking	5	Service Hints		33
Assembly	5	Technical Service		33
Air For Combustion and Ventilation	6	Illustrated Parts Breakdown and Parts List		34
Installation	9	Accessories		36
Operating Fireplace	22	Warranty Information	Back Cover
Inspecting Burners	25

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Contents Shown with optional cabinet mantel/hearth base accessory REMOTE-READY Models VMH26PRB, VMH26NRB, EFS26NRA, EFS26PRATable of Contents Safety Information Product Identification Provide adequate clearances around air openingsAssembly Optional Remote Control AccessoriesProduct Features Local CodesUnusually Tight Construction Assembly AIR for Combustion VentilationProviding Adequate Ventilation Confined and Unconfined Space AIR for Combustion VentilationDetermining FRESH-AIR Flow for Fireplace Location Determining if You Have a Confined or Unconfined SpaceVentilation Air From Outdoors Ventilation AIRVentilation Air From Inside Building Check GAS Type InstallationInstallation Items Minimum Clearance to Combustible Materials BUILT-IN Fireplace InstallationFireplace Clearances Minimum 16 inches from Side WallRough Opening for Installing Wall Optional Mantel Installation Mantel Clearances for Built-In InstallationAssemblingTrimTrimshippedwithmantel Installing Optional Blower Accessory GA3450TRemoving Upper Louver Assembly and Branch Support Installing Blower Accessory Extension Cord For Built-In InstallationTest to make sure the blower is working properly Connecting to GAS Supply External Regulator With Vent Pointing DownPropane/LP Connecting Fireplace to GAS SupplyInstallation Items Needed Correct all leaks at once Pressure Testing gas Supply Piping SystemChecking GAS Connections Pressure Testing Fireplace Gas Connections Installing ReceiverRemove battery cover on back of remote con- trol unit Wire harness provided in the fireplace hard- ware packInstalling 9-Volt Battery in Hand-Held Remote Control Unit Optional Wall MountedInstall the base onto the wall with the pro- vided screws Optional Wall Switch GWMS2Installing LOG SET and Screen Ignitor Button Flame Adjustment Knob For Your Safety Read Before LightingSelector Switch OFF Position Control Knob Operating FireplaceOptional HAND-HELD Remote Operation Manual Lighting ProcedureTo Turn OFF GAS To Appliance Shutting Off FireplaceON/OFF Series Model Ghrcb Thermostat Series Model GhrctbGWMT1 Wall Mounted Thermostat Optional GWMS2 Wall Mounted Switch OptionalInspecting Burners Operating Blower OptionalBurner Injector Holder and Pilot AIR Inlet Hole Cleaning MaintenanceBurner Flame Pattern Cabinet Wiring DiagramLOG SET Air PassagewaysReplace pilot assembly TroubleshootingObserved Problem Possible Cause Remedy Ignitor cable dryOr improperly connected Diagram, Safety interlock system hasLow gas pressure ODS/pilot assembly PressedTial operation Bris. If found, clean burnerResidues from manufactur Hours of operationGas leak. See Warning Specifications Remote-Ready ModelsTechnical Service Replacement PartsService Hints Parts Under WarrantyIllustrated Parts Breakdown Parts List REMOTE-READY ModelsPerimeter Trim KIT GA6095 AccessoriesEquipment Shutoff Valve GA5010 THERMOSTAT-CONTROLLED Blower KIT GA3450TCabinet Mantel and Full Hearth Base Receiver and HAND-HELD Thermostat Remote Control KIT GhrctbReceiver and HAND-HELD Remote Control KIT Ghrcb Information VideoPage Page Limited Warranty VENT-FREE Compact Classic Hearth Fireplace Warranty InformationKeep this Warranty