Desa VYM27PR Wiring Diagram Replacement Parts, Specifications, Service Hints, Technical Service

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VANGUARD FLAME-MAX®

UNVENTED PROPANE/LP GAS LOG HEATER

WIRING DIAGRAM

Note: For proper operation of optional ac- cessories, the wires from the switch to the control must be connected exactly as shown.

REPLACEMENT PARTS

Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty.

OFF

ON

Thermopile

SPECIFICATIONS

 

27" Remote Ready

Btu (Variable)

20,000/39,000

Type Gas

Propane Only

Ignition

Piezo

Pressure Manifold

8.0" W.C.

Inlet Gas Pressure (in. of water)

 

Maximum

14"

Minimum*

11"

Shipping Weight

32 lbs.

* For input adjustment

 

PARTS UNDER WARRANTY

Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA International’s Techni- cal Service Department at 1-800-323-5190. When calling DESA International, have ready

your name and address

model number of your heater

how heater was malfunctioning

type of gas used (propane or natural gas)

purchase date

Usually, we will ask you to return the defec- tive part to the factory.

PARTS NOT UNDER

WARRANTY

Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA International’s Parts Department at 1-800-972-7879 for referral information. When calling DESA Interna- tional, have ready

model number of your heater

the replacement part number

SERVICE HINTS

When Gas Pressure Is Too Low

pilot will not stay lit

burners will have delayed ignition

heater will not produce specified heat

propane/LP gas supply may be low

TECHNICAL

SERVICE

You may have further questions about in- stallation, operation, or troubleshooting.

If so, contact DESA International’s Techni- cal Service Department at 1-800-DESA LOG (1-800-337-2564).

When Gas Quality Is Bad

pilot will not stay lit

burners will produce flames and soot

heater will backfire when lit

You may feel your gas pressure is too low or gas quality is bad. If so, contact your local propane/LP gas supplier.

You can also visit DESA International’s technical services web site at www.desatech.com.

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104675

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Contents OWNER’S Operation and Installation Manual Remote Control Ready ModelWhat to do if YOU Smell GAS Save this manual for future referenceSafety Information Vanguard FLAME-MAX Unvented PROPANE/LP GAS LOG HeaterProduct Features Remote Control AccessoriesProduct Identification Local CodesAIR for Combustion and Ventilation Providing Adequate VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining if You Have a Confined or Unconfined Space AIR for Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation AIR Ventilation Air From InsideBuilding Ventilation Air From OutdoorsInstallation Installation ClearancesCheck GAS Type Minimum Fireplace Clearance to Combustible MaterialsMinimum Noncombustible Material Clearances If Not Using MantelIf Using Mantel Determining Minimum Mantel Clearance When Using a Hood Mantel ClearancesDetermining Minimum Mantel Clearance Floor ClearancesInstalling Damper Clamp Accessory for Vented Operation Installing Heater Base AssemblyInstallation Items Needed Chimney Minimum Permanent Height ft Flue Opening sq. insConnecting to GAS Supply Attaching Flexible Gas Hose to HeaterPressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections Test Pressures In Excess Of 1/2 PsigInstalling Logs Installing Bottom Log #1Lighting Instructions For Your Safety Read Before LightingOperating Heater Optional Remote Operation Manual Lighting ProcedureTo Turn OFF GAS To Appliance Inspecting Burners Pilot Flame PatternBurner Primary AIR Holes Main BurnerTroubleshooting Observed Problem Possible CauseObserved Problem Possible Cause Remedy Maintenance,Gas leak. See Warning statement at TopWiring Diagram Replacement Parts SpecificationsService Hints Technical ServiceLogs Cleaning and MaintenanceCleaning Burner INJEC- TOR Holder and Pilot AIR Inlet Hole Illustrated Parts Breakdown VYM27PRParts List Description QTYAccessories 104675 Warranty Information Limited Warranty VENT-FREE Propane GAS LOG Heaters