Desa VP16A, VN18A, VP26A installation manual VN30A, VN30TA, VP16ITA, VP22ITA, Model VN30A Shown

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UNVENTED (VENT-FREE) INFRARED GAS HEATER SAFETY INFORMATION AND INSTALLATION MANUAL

Model VN30A Shown

VN18A, VN18TA, VP16A, VP16TA, VP26A, VP26TA

VN30A, VN30TA, VP16ITA, VP22ITA

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 instructions.

•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 Model VN30A Shown VN30A, VN30TA, VP16ITA, VP22ITATable of Contents Safety Information Local Codes Product FeaturesUnpacking Providing Adequate Ventilation AIR for Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation Air From Inside Building Ventilation AIRInstallation Items InstallationCheck GAS Type Locating HeaterThermostat Sensing Bulb Installing Heater to WallThermostat Models Only Mounting BracketMarking Screw Locations Methods For Attaching Mounting Bracket To Wall5 Plaque Heaters Plaque HeaterPlacing Heater On Mounting Bracket Installing Bottom Mounting ScrewsMounting Base Feet to Floor Where required by local code Connecting to GAS SupplyMounting Heater to Floor Mounting Base Feet to HeaterNatural Gas Checking GAS ConnectionsPropane/LP Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Test Pressures In Excess Of 1/2 Psig 3.5 kPaOperating Heater NON-THERMOSTAT Models For Your Safety Read Before LightingLighting Instructions Thermostat Models For Your Safety Read Before Lighting Manual Lighting ProcedureTo Select Heating Level To Turn OFF GAS To ApplianceTurn thermostat control knob counter If pilot does not lightIgnitor Button Control Knob Plaque Thermostat OperationShutting Off Heater Pilot Flame Pattern Inspecting HeaterBurner Flame Pattern ODS/PILOT and Burner Cleaning MaintenanceBurner Pilot AIR Inlet CabinetObserved Problem Possible Cause Remedy TroubleshootingODS/pilot lights but flame Gas leak. See Warning When heated, vapors fromSpecifications Illustrated Parts Breakdown Parts List Cabinet Body Models VP16ITA and VP22ITA KEY Part Number VP16ITA VP22ITA Description QTY Burner Assembly Models VP16A and VN18A Illustrated Parts Breakdown and Parts ListODS/Pilot Burner Assembly VP26A, VN30A Burner Assembly Models VP26A and VN30ABurner Assembly VP22ITA Burner Assembly VP16ITA Burner Assembly Models VP16ITA and VP22ITABurner Assembly Models VP16TA, VN18TA, VP26TA and VN30TA Service Publications Service Hints Replacement PartsTechnical Service Parts Under WarrantyParts Central AccessoriesFAN Kits GA3250T Equipment Shutoff Valve GA5010113052-01D 113052-01D Keep this Warranty Warranty InformationLimited Warranty Vanguard VENT-FREE Infrared GAS Heaters