Desa GMP26T, GMP20BT, GMP16T, GMP30BT installation manual What to do if YOU Smell GAS

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UNVENTED (VENT-FREE) PROPANE/LP GAS HEATERS SAFETY INFORMATION AND INSTALLATION MANUAL

INFRARED: GMP16, GMP16T, GMP26, GMP26T

BLUE FLAME: GMP20BT, GMP30BT

WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing 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 quali- fied installer, service agency, or the gas supplier.

Save this manual for future reference.

For more information, visit www.desatech.com

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Local Codes Safety Information Product IdentificationProviding Adequate Ventilation AIR for Combustion VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation AIR InstallationCheck GAS Type Ventilation Air From Inside BuildingLocating Heater Installation ItemsInstalling Heater to Wall Attaching To Wall Anchor Method 20,000 Btu/Hr ModelsPlacing 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 SupplyChecking GAS Connections Pressure Testing GAS Supply Piping SystemTest Pressures In Excess Of 1/2 Psig 3.5 kPa Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPaPressure Testing Heater GAS Connections For Your Safety Read Before LightingOperating Heater Manual Control Models Lighting InstructionsTo Select Heating Level for Infrared Heaters Manual Lighting ProcedureTo Turn OFF GAS To Appliance Thermostat Controlled Models Lighting Instructions Thermostat Control Operation Inspecting HeaterPilot Flame Pattern Control Knob GMP16TBurner Flame Pattern for Blue Flame Heaters Inpecting HeaterBurner Flame Pattern for Infrared Heaters ODS/PILOT and Burner Cleaning MaintenanceBurner Pilot AIR Inlet CabinetObserved Problem Possible Cause Remedy TroubleshootingPressed See Cleaning and Mainte Statement above Gas leak. See WarningGMP30BT GMP20BT SpecificationsGMP16 GMP26 GMP16T GMP26T Technical Service Service HintsService Publications Replacement Parts AccessoriesModels GMP16, GMP26, GMP16T, and GMP26T Illustrated Parts BreakdownParts AVAILABLE-NOT Shown Parts ListModels GMP16 and GMP26 Illustrated Parts Breakdown and Parts ListModels GMP16T and GMP26T ODS/Pilot Burner Assembly GMP16TModels GMP20BT and GMP30BT Parts Available not Shown Keep this Warranty Warranty InformationLimited Warranty VENT-FREE Residential GAS Heaters