Desa GN30, WMP20 installation manual GWN20T, GWP20T GWN30T, GWP30T, What to do if YOU Smell GAS

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UNVENTED (VENT-FREE)

TM BLUE FLAME GAS HEATER

SAFETY INFORMATION AND INSTALLATION MANUAL

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GN30, GP30

GN30T, GP30T

GWN20, GWP20

GWN20T, GWP20T

GWN30T, GWP30T

WMN20, WMP20

WARNING: If the information in this manual is not followed exactly, a fire or explosion may result caus- ing property damage, personal injury, or loss of life.

—Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

—WHAT TO DO IF YOU SMELL GAS

•Do not try to light any appliance.

•Do not touch any electrical switch; do not use any phone in your building.

•Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s in- structions.

•If you cannot reach your gas supplier, call the fire department.

—Installation and service must be performed by a qualified installer, service agency, or the gas supplier.

WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause injury or property damage. Refer to this manual for correct installation and operational procedures. For as- sistance or additional information consult a qualified installer, ser- vice agency, or the gas supplier.

WARNING: This is an unvented gas-fired heater. It uses air (oxy- gen) from the room in which it is installed. Provisions for ad- equate combustion and ventila- tion air must be provided. Refer to Air for Combustion and Venti- lation section on page 4 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

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Contents What to do if YOU Smell GAS GWN20T, GWP20T GWN30T, GWP30TSafety Information Table of ContentsProduct Features Safety Information Product IdentificationLocal Codes UnpackingProviding Adequate Ventilation AIR for Combustion and VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Installation Items InstallationCheck GAS Type Locating HeaterAttaching Thermostat Sensing Bulb Installing Heater to WallMounting Bracket Removing Front Panel Of HeaterAttaching Mounting Bracket To Wall Marking Screw LocationsPlacing Heater On Mounting Bracket Mounting Base Feet to Floor Where required by local code Installing Bottom Mounting ScrewsMounting Heater to Floor with Optional Floor KIT Mounting Base Feet to HeaterTypical Inlet Pipe Diameters Connecting to GAS SupplyPressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections Operating Heater Manual Control Models For Your Safety Read Before LightingLighting Instructions To Turn OFF GAS to Appliance Manual Lighting ProcedureShutting Off Heater Shutting Off Burner Only pilot stays litPilot Flame Pattern Inspecting HeaterThermostat Control Operation Cleaning Burner Pilot AIR Inlet Cleaning MaintenanceBurner Flame Pattern CabinetObserved Problem Possible Cause TroubleshootingObserved Problem Possible Cause Remedy Gas leak. See Warning statement at Illustrated Parts Breakdown WMN20 WMP20 Description QTY Parts ListGWN30T, GWP30T GGN30T, GP30T GWN20T, GWP20T, GWN30T, GWP30T Replacement Parts SpecificationsService Hints Technical ServiceOwners Registration Form Postage Required Parts Centrals AccessoriesEquipment Shutoff Valve GA5010 FAN Kits GA3250TWarranty Information
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