Vermont Casting 33LDVR, 43LDVR, 39LDVR, 36LDVR Troubleshooting the Gas Control System

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LDVR Series Direct Vent Gas Fireplace

Troubleshooting the Gas Control System

SIT 822 Valve with Synetek Electronic Control

Operating Diagram

Normal Operation

Abnormal Operation

ON/OFF Switch Closed?

YES

Safe Start Check On?

YES

0 Sec Purge

Ignition Trial: 30 sec Spark ON Pilot Valve ON. Has Flame been Detected within 30 sec?

Spark Off. Main Valve ON.

Pilot Flame Continuously

Monitored

Pilot Flame Sense OK?

ON/OFF Switch Opened?

YES

Pilot and Main Valve OFF?

YES

NO

NO

NO

5 sec Inter-Trial Delay

LED: Steady Flash?

Lockout: Flame detected out of sequence Reset by interrupting ON/OFF switch or power for 10 sec

LED: 5 Flashes?

Reverse power cord polarity

LED: 2 Flashes?

Reset by interrupting ON/OFF switch for power for 10 sec

YES

Pilot, Valve OFF, Spark OFF

Have three ignition trials been completed? NO

LED: 3 Flashes?

Lockout: Flame Loss

Reset by interrupting ON/OFF switch or power for 10 sec

YES

Main Valve OFF, Spark ON

 

 

Has flame been detected within 30 sec?

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

Have three pilot flame losses been

 

YES

 

 

detected?

 

 

 

 

 

 

 

 

 

 

 

0 sec Post Purge?

Heating Cycle Complete LED:

OFF

30

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Contents Builder Rear Vent Direct Vent Table of Contents Installation & Operating Instructions Locating Your FireplacePlease Review the Following Carefully Fireplace Dimensions Framing Dimensions33LDVR 36LDVR 39LDVR 43LDVR Mantels Mantel ChartClearance to Combustibles Hearth33LDVR / 36LDVR / 39LDVR / 43LDVR Certified To Framing and FinishingFinal Finishing Gas SpecificationsAlternate Switch Location Gas Line InstallationRemote ON/OFF Switch InstallationEB-1 Electrical Box Electronic Gas Control ValveGeneral Venting Location of Vent TerminationCanadian Installations1 US Installations2 General Venting Information Termination LocationGeneral Information Assembling Vent Pipes Canadian InstallationsUSA Installations Flex Vent PipesRear Wall Venting Applications How to Use the Vent GraphTwist Lock Pipes Example aRear Wall Installation Twist Lock Pipe StepRear Wall Vent Installations Flex Vent Pipe StepVertical Sidewall Applications Maximum number of 90 elbows is three Vertical Sidewall Installation Zero clearance sleeve is only required for combustible wallsBelow Grade Installations Measure horizontal length including 2 overlapVertical Through-the-Roof Applications This Gas Fireplace has been approved forVertical Through-the-Roof Installation Typical vertical roof applicationsMin 610 mm Venting Components Operating Instructions Glass CleaningWindow Frame Assembly Removal Glass InformationInstallation of Logs, Lava Rock & Ember Material Log Identification ChartLog Installation Rial on the burner housing assembly Do not place any of the lava rock mateOn the burner housing assembly Flame CharacteristicsFlame & Temperature Adjustment Do not place any of the lava rock material33LDVR Lighting and Operating Instructions To Turn Off Gas To HeaterWhat to do if YOU Smell GAS Lighting Instructions Turning Off the Gas to the ApplianceValve in the on position Troubleshooting Honeywell Millivolt Valve Start CheckYES Troubleshooting the Gas Control System Normal Operation Abnormal OperationSIT 820 Nova Gas Control Valve Fig Fuel Conversion InstructionsPSE Pilot SIT top Convertible PilotBurner and Burner Compartment MaintenanceCleaning the Standing Pilot Control System Brass Trim33/36/39/43LDVR Ldvr DescriptionGADT3I0 GADT3J0 GADT3K0 GADT3N0 Fuel Conversion KitsOptional Accessories Available FK24 Fan AssemblyFan Kits Ceramic Refractory Kits Wiring InstructionsRemote Controls Appliance Model Kit NameScreen Door Kit Optional Trim KitsLouvre Accent Trim Filigree Louvre KitLimited Lifetime Warranty Product Covered by this WarrantyEfficiency Ratings AFUE%

36LDVR, 33LDVR, 39LDVR, 43LDVR specifications

Vermont Castings has long been synonymous with quality craftsmanship and innovation in the field of heating appliances, particularly in the category of wood and gas stoves. Among their remarkable offerings, the 33LDVR, 39LDVR, 43LDVR, and 36LDVR models stand out, each with unique features that cater to a variety of user needs.

The 33LDVR model features a classic design that complements any space while providing efficient heating. With a maximum output of 15,000 BTUs, it is perfect for smaller rooms. One of its main characteristics is the built-in catalytic combustor, which enhances fuel efficiency and reduces emissions. This model also includes a convenient glass door that allows for a beautiful view of the flames, creating a warm ambiance.

Moving up in size, the 36LDVR offers an increased heating capability of up to 25,000 BTUs. This model retains the same elegance and durability as the 33LDVR, constructed from high-quality cast iron. The 36LDVR is equipped with Vermont Castings’ signature dual combustion system, which maximizes fuel efficiency and minimizes smoke. Additionally, the oversized door enhances visibility while maintaining a robust heat output.

The 39LDVR boasts a larger firebox, providing increased heat capacity and longer burn times. It can accommodate logs up to 18 inches long, making it ideal for those who appreciate long-lasting fires. This model also features a patented top-loading capability, which simplifies the refueling process without interrupting heat output. The advanced air control system allows users to fine-tune the burn rate, enhancing efficiency and managing heat distribution effectively.

Finally, the 43LDVR is the powerhouse of the lineup, with an impressive heating capacity of up to 40,000 BTUs. This model is designed for larger spaces, providing superior heat retention and distribution. It features Vermont Castings' innovative refractory lining, which improves heat retention and provides a longer-burning effect. The 43LDVR also includes a state-of-the-art fan system that promotes consistent warmth throughout the room, ensuring comfort even in the coldest weather conditions.

All four models incorporate Vermont Castings' commitment to environmentally responsible heating, with advanced technology that reduces emissions while maximizing efficiency. The aesthetic design, combined with practical features, makes these units a popular choice for homeowners looking to enhance their living spaces with reliable heating solutions. Whether for ambiance or effective heating, the 33LDVR, 36LDVR, 39LDVR, and 43LDVR models truly exemplify the quality and craftsmanship that Vermont Castings is known for.