Desa 10542 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 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	Troubleshooting		20
Local Codes	4	Specifications		24
Product Identification	4	Service Hints		25
Unpacking	4	Technical Service		25
Product Features	4	Service Publications		25
Air For Combustion And Ventilation	5	Replacement Parts		25
Installation	7	Illustrated Parts Breakdown and Parts List		26
Operating Heater	15	Accessories		30
Inpecting Heater	18	Parts Centrals		31
Cleaning and Maintenance	19	Warranty Information	Back Cover

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Product Identification Product FeaturesLocal Codes UnpackingUnusually Tight Construction AIR for Combustion VentilationProviding Adequate Ventilation Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location Determining if You Have a Confined or Unconfined SpaceCheck GAS Type InstallationVentilation AIR Ventilation Air From Inside BuildingInstallation Items Locating HeaterInstalling Heater to Wall 10,000 Btu/Hr Model 30,000 Btu/Hr Model20,000 Btu/Hr Model Attaching To Wall Anchor MethodMounting Heater to Floor with Optional Floor KIT Installing Bottom Mounting ScrewsMounting Base Feet to Floor Where required by local code Placing Heater On Mounting BracketConnecting to GAS Supply Typical Inlet Pipe DiametersNatural Gas Propane/LPPressure Testing Heater GAS Connections Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPaLighting Instructions Manual Control Models For Your Safety Read Before LightingOperating Heater Shutting Off Heater Manual Lighting ProcedureTo Turn OFF GAS To Appliance Shutting Off Burner Only pilot stays litThermostat Control Operation Burner Flame Pattern Inpecting HeaterPilot Flame Pattern Burner Pilot AIR Inlet Cleaning MaintenanceODS/PILOT and Burner CabinetTroubleshooting Observed Problem Possible Cause RemedyReplace burner orifice See Cleaning and Mainte Gas leak. See Warning Statement above10549 10547 10545 Specifications10548 10546 10542/10544 10543Service Publications Replacement Parts Service HintsTechnical Service Parts Under WarrantyIllustrated Parts Breakdown 10,000 BTU/HR Manual Control Models 10542Parts List 10,000 BTU/HR Manual Control Models19-1 19-2 19-113 10,000, 20,000, and 30,000 BTU/HR Termostat Models FAN Kits GA3210T AccessoriesEquipment Shutoff Valve GA5010 Base KIT GA4550Parts Centrals Limited Warranty VENT-FREE Residential GAS Heaters Warranty InformationKeep this Warranty