Vanguard Heating UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER Wiring Diagram Replacement Parts

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VANGUARD FLAME MAX®

UNVENTED NATURAL 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

 

 

 

 

 

Golden Oak

Golden Oak

 

18" Remote

24", 30", and 36"

 

Ready

Remote Ready

Btu (Variable)

16,000/30,000

20,000/39,000

 

Type Gas

Natural Gas Only

Natural Gas Only

Ignition

Piezo

Piezo

Pressure Manifold

3.5" W.C.

3.5" W.C.

Inlet Gas Pressure (in. of water)

 

 

 

Maximum

10.5"

10.5"

 

Minimum*

5"

5"

 

Shipping Weight

28 lbs.

30 lbs. (24")/32 lbs. (30")

 

 

34 lbs. (36")

* 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 In- ternational, have ready

your name and address

model and serial numbers 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

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 natural gas supplier.

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).

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

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Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GAS18, 24, 30, and 36 Remote Ready Model Patent PendingSafety Information Vanguard Flame MAX Unvented Natural GAS LOG HeaterProduct Features Remote Control AccessoriesProduct Identification Local CodesAIR for Combustion and Ventilation Providing Adequate VentilationUnusually Tight Construction Confined and Unconfined SpaceAIR for Combustion Ventilation Determining FRESH-AIR Flow for Heater LocationDetermining if You Have a Confined or Unconfined Space Ventilation AIR Ventilation Air From InsideBuilding Ventilation Air From OutdoorsInstallation InstallationCheck GAS Type Minimum Wall and Ceiling Clearances see FigureIf Using Mantel If Not Using MantelMinimum Noncombustible Material Clearances Determining Minimum Mantel Clearance When Using a Hood Mantel ClearancesFloor Clearances Determining Minimum Mantel ClearanceInstalling Damper Clamp Accessory for Vented Operation Installing Heater Base AssemblyChimney Minimum Permanent Height ft Flue Opening sq. ins Installation Items Needed Attaching Flexible Gas Hose to HeaterConnecting to GAS Supply Wrench when connecting it to gas piping and/or fittingsPressure Testing Gas Supply Piping System Pressure Testing Heater Gas ConnectionsChecking GAS Connections Test Pressures In Excess Of 1/2 PsigInstalling Logs Place lava rock around base of heaterFor Your Safety Read Before Lighting Operating HeaterLighting Instructions Manual Lighting Procedure To Turn OFF GAS To ApplianceOptional Remote Operation Inspecting Burners Pilot Flame PatternBurner Primary AIR Holes Main BurnerCleaning and Maintenance Cleaning Burner Injector Holder and Pilot AIR Inlet HoleLogs Troubleshooting Observed Problem Possible CauseObserved Problem Possible Cause Remedy Top Gas leak. See Warning statement at topIllustrated Parts Breakdown Parts List VYD18NRA, VYD24NRA VYD30NRA, and VYD36NRWiring Diagram Replacement Parts SpecificationsService Hints Technical ServiceAccessories Warranty Information International