Vanguard Heating VDVF36STP, VDVF36STN Troubleshooting, Observed Problem Possible Cause Remedy

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® VDVF36P and VDVF36ST Series

DIRECT-VENT GAS FIREPLACE HEATER

TROUBLESHOOTING

Note: For additional help, visit DESA International’s Technical Service web site at www.desatech.com.

Note: Before troubleshooting the system, make sure the gas shut-off valve is ON.

WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater.

Note: All troubleshooting items are listed in order of operation.

CAUTION: Never use a wire, needle, or similar object to clean pilot. This can damage pilot unit.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Pilot will not light

1.

No gas supply, or shut-off valve is OFF

1.

Check to see if you have gas supply

 

2.

Air in gas line

2.

Hold control valve in the PILOT position

 

 

 

 

for 2 to 3 minutes to purge air. If you smell

 

 

 

 

gas stop and wait for a few minutes before

 

 

 

 

trying to light the fireplace

 

3.

Construction debris clogging pilot orifice

3.

Remove debris and dirt, inspect and

 

 

 

 

clean any other possible obstructions

 

4.

Low gas pressure

4.

Contact your gas supplier

 

5.

Control valve knob is not on the PILOT

5.

Refer to section on pilot lighting

 

 

position

 

 

 

6.

Kinked pilot line

6.

Have a qualified technician replace pi-

 

 

 

 

lot line

 

7.

Bad valve

7.

Replace control valve (see Replacement

 

 

 

 

Parts, page 23)

 

8.

Bad thermocouple or loose connection

8.

Tighten thermocouple or replace

 

 

 

 

 

No gas to burner, although wall switch and

1.

Wall switch wires defective

1.

Check electrical connections

valve are set to the ON position

 

 

 

 

 

 

 

 

 

Frequent pilot outage

1. Pilot flame may be too low, causing

 

safety pilot to “drop out”

1.Clean and adjust pilot flame for maximum flame impingement on thermopile

Burner goes off after a short time

1. Venting recirculation problem

1. Have a qualified technician check vent-

 

 

ing system for leaks or obstructions.

 

 

Have a qualified technician measure the

 

 

pilot’s millivoltage

www.desatech.com

Continued

 

 

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Contents Check Local Codes Prior to Installation What to do if YOU Smell GASGlossary Terms Supply Inlets Back SurroundIntroduction Selecting LocationBefore YOU Begin PRE-INSTALLATION Preparation ClearancesMantel Clearances FramingGeneral Venting Location of Vent TerminationGeneral Venting Venting Installation Installation PrecautionsInstallation Planning Installing Vent System in a ChaseInstallation for Horizontal Termination Snorkel TerminationVent Pipe Connections Horizontal Termination Configurations Horizontal VentingVenting with Two 90 Elbows Installation for Vertical Termination Flat Ceiling InstallationCathedral Ceiling Installation Vertical Termination Configurations Venting with One 90 ElbowVertical Venting Installation Parts Lists for VentingVenting High AltitudeWall Switch Installation Electrical Hookup for Blower AccessoryInstalling Receiver GAS Line HOOK-UP GAS Rating Type of GAS Natural PROPANE/LPGAS Supply Testing Installing LOG SETPilot Assembly Adjustment Burner Flame AdjustmentDecorative Facing Burner RemovalOperating Guidelines and Maintenance Instructions For Your Safety Read Before Lighting Operating FireplaceLighting Instructions To Turn OFF GAS To ApplianceGhrc Operation Ghrct OperationService Hints Technical ServiceReplacement Parts Wiring DiagramTroubleshooting Observed Problem Possible Cause RemedyObserved Problem Possible Cause Company Gas leak. See Warning statement Accessories Wall Switch KITPilot Assembly Blower KIT DavdbkRefractory Pieces OrificeGAS Control Valve Warranty Information

VDVF36PN, VDVF36STP, VDVF36STN, VDVF36PP specifications

Vanguard Heating has established itself as a noteworthy player in the heating solutions market, and its latest offerings, the VDVF36STN, VDVF36PP, VDVF36STP, and VDVF36PN models, exemplify their commitment to innovative technology and user-centric design. These models are engineered to provide efficient heating solutions while enhancing the aesthetic appeal of any living space.

A standout feature of the Vanguard VDVF36 series is its sleek, modern design. These units seamlessly integrate into various architectural styles, making them an attractive option for both contemporary and traditional interiors. The VDVF36STN, for instance, showcases a stunning see-through option, allowing homeowners to enjoy the ambiance of flames from multiple angles.

These heating appliances utilize advanced gas burner technology, ensuring high thermal efficiency while maintaining a clean-burning flame. This results in reduced carbon emissions, making the VDVF36 series an environmentally responsible choice without compromising performance. The burners are designed to provide even heat distribution, minimizing cold spots and creating a comfortable atmosphere in the desired space.

One of the prominent technologies included in the Vanguard VDVF36 models is the remote control capability. Users can effortlessly manage temperature settings and flame height from the comfort of their seats, enhancing convenience and user experience. Additionally, the units come equipped with multiple flame settings, allowing users to customize the ambiance to match their mood or occasion.

Safety is a top priority in the design of the VDVF36 series. Each model features a built-in safety shutoff system, which automatically turns the unit off in the event of a malfunction, providing peace of mind for homeowners. Additionally, the glass front design incorporates advanced tempered glass technology, ensuring safety and durability while providing an unobstructed view of the flames.

The VDVF36 series also boasts easy installation and maintenance features. Designed for straightforward retrofitting, these units can be integrated into existing chimney systems or used with direct venting options, giving flexibility to home installations. Maintenance is simplified thanks to the accessible components, making routine checks hassle-free.

In summary, the Vanguard Heating VDVF36 models, including the VDVF36STN, VDVF36PP, VDVF36STP, and VDVF36PN, combine advanced technology with aesthetic appeal and safety features, offering users an efficient and stylish heating solution for their homes. Whether enhancing the comfort of a living room or adding charm to a gathering space, these models stand out as exceptional choices in modern heating technology.