Vermont Casting SDDVT manual Troubleshooting the Gas Control System Sddvt Series

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Stardance Direct Vent/Natural Vent Gas Heater

Troubleshooting the Gas Control System (SDDVT Series)

SIT NOVA 820 MILLIVOLT VALVE

NOTE: Before trouble shooting the gas control system, be sure external gas shut off is in the “On” position.

 

Symptom

Possible Causes

Corrective Action

 

 

 

 

1.

Spark ignitor will not light

A. Defective or misaligned electrode

Using a match, light pilot. If pilot lights, turn off pilot and

 

 

at pilot

push the red button again. If pilot will not light - check

 

 

 

gap at electrode and pilot-should be 1/8” to have a

 

 

 

strong spark.

 

 

 

 

 

 

B. Defective ignitor (Push Button)

With the control knob in the pilot position, push the

 

 

control knob all the way and hold. Check for spark at

 

 

 

 

 

 

electrode and pilot. If no spark to pilot, and electrode

 

 

 

wire is properly connected, replace the battery in the

 

 

 

ignitor module and try again. Refer to Maintenance

 

 

 

Section. If the problem still exists, replace the ignitor

 

 

 

module box.

 

 

 

 

2.

Pilot will not stay lit after

A. Defective pilot generator (thermo-

Check pilot flame. Must impinge on thermocouple/ther-

mopile. NOTE: This pilot burner assembly utilizes both

 

carefully following lighting

couple), remote wall switch

 

a thermocouple and a thermopile. The thermocouple

 

instructions

 

 

 

operates the main valve operation (On and Off). Clean

 

 

 

 

 

 

and or adjust pilot for maximum flame impingement on

 

 

 

thermopile and thermocouple.

 

 

 

 

 

 

B. Defective automatic valve

Turn valve knob to “Pilot”. Maintain flow to pilot; millivolt

 

 

 

meter should read greater than 10mV. If the reading

 

 

 

is okay and the pilot does not stay on, replace the gas

 

 

 

valve. NOTE: An interrupter block (not supplied) must

 

 

 

be used to conduct this test.

 

 

 

 

3.

Pilot burning, no gas to

A. Wall switch or wires defective

Check wall switch and wires for proper connections.

Jumper wire across terminals at wall switch, if burner

 

main burner

 

 

 

comes on, replace defective wall switch.. If okay,

 

 

 

 

 

 

jumper wires across wall switch wires at valve, if burner

 

 

 

comes on, wires are faulty or connections are bad.

 

 

 

 

 

 

B. Thermopile may not be generat-

1. Be sure wire connections form thermopile at gas

 

 

valve terminals are tight and thermopile is fully

 

 

ing sufficient millivoltage

 

 

inserted into pilot bracket.

 

 

 

 

 

 

2. One of the wall switch wires may be grounded. Re-

 

 

 

move wall switch wires form valve terminals if pilot

 

 

 

now stays lit, trace wall switch wiring for ground.

 

 

 

May be grounded to fireplace or gas supply.

 

 

 

3. Check thermopile with millivolt meter. Take reading

 

 

 

at thermopile terminals of gas valve. Should read

 

 

 

250-300 millivolts (minimum 150) while holding

 

 

 

valve knob depressed in pilot position and wall

 

 

 

switch “Off”. Replace faulty thermopile if reading is

 

 

 

below specified minimum.

 

 

 

 

 

 

C. Plugged burner orifice

Check burner orifices for debris and remove.

 

 

 

 

 

 

D. Defective automatic valve opera-

Turn valve knob to “On”, place wall switch to “On”

 

 

millivolt meter should read greater than 150mV. If the

 

 

tor

 

 

reading is okay and the burner does not come on,

 

 

 

 

 

 

replace the gas valve.

 

 

 

 

4.

Frequent pilot outage

A. Pilot flame may be too low or

Clean and/or adjust pilot flame for maximum flame

impingement on thermopile and thermocouple.

 

problem

blowing (high) causing the pilot

 

 

 

 

safety to drop out

 

 

 

 

 

 

 

B. Possible blockage of the vent

Check the vent terminal for blockage (recycling the flue

 

 

terminal

gases).

 

 

 

 

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Contents Stardance Direct Vent/Natural Vent Gas Heater Table of Contents General Information Installation Requirements Gas Equipment Venting System not ProvidedStardance Direct Vent / Natural Vent Dimensions Stardance dimensionsClearance Requirements Minimum Clearances to CombustibleMaterials Locating the StoveWall Centerline from Floor Wall and Ceiling ClearancesHearth Requirements Direct Vent OnlyGas Specifications Gas Inlet and Manifold PressuresHigh Elevations Horizontal Termination Direct Vent onlyRestrictor Plate Adjustment For Extended Pipe Runs Restrictor Plate AdjustmentRestrictor Plate is used on Direct Vent Installations Only Examples for Extended Run/Restrictor Plate SettingsDirect Vent Only Vent Termination ClearancesLocation of Vent Termination Canadian Installations1 US Installations2 General Venting Information Termination LocationVenting Requirements Natural Vent Only Termination ClearancesVenting Requirements and Options Direct Vent only Approved Vent System ComponentsSimpson DuraVent Components Minimum Horizontal Vent Kit 2792CFM Vent Components Install the Optional Fan Remove rear skirt insertInstall the Vent Adapter Pipe Venting System Assemlby Direct Vent General InformationSelkirk Corporation Vent Components Install Vent Adapter PipeSide Wall Termination Assembly Assemble the wall sleeve and firestop Vertical Through the Roof Vent Assembly Vent Termination Below GradeSelkirk Direct-Temp Metalbestos Direct Vent System Vertical Venting Horizontal VentingInlet End Outlet End To Termination To ApplianceAdjustable Length AJ Supporting DIRECT-TEMP Vertical SupportOffsets Supporting DIRECT-TEMP Horizontal SupportBelow grade installation Vertical Installation Fig Venting System Assembly Natural Vent General Information Minimum Height Above Roof RequirementsInstall the Vent Pipe Install the Log SetStardance Direct Vent/Natural Vent Gas Heater Burner Information Install ON/OFF SwitchConnect the Gas Supply Line Install the Front Plate OperationThermostat Connection optional Your First FireFlame & Temperature Adjustment Flame CharacteristicsSddvt Series Sddvtc Series Comfort Control ModelsLighting and Operating Instructions To Turn Off Gas To HeaterEuro SIT HoneywellTroubleshooting the Gas Control System Sddvt Series SIT Nova 820 Millivolt ValveShut Off Procedure Transmitter Operation Off ModeOn Manual Mode Delay Timer ModeAuto Mode Fan Override During Auto ModeChange Between F/C Temperature Units Disable Thermostat FunctionLocal Path On PathAuto Path Conversion Precautions Conversion ProcedureFuel Conversion Instructions Valve Conversion Sddvt Series ModelsValve Pilot Orifice ConversionPilot Type Bottom View Burner Orifice ConversionAll Models Conversion to Natural Gas Input BTU/h Injector Orifice Size MatrixConversion to LP Input BTU/h Maintenance Logset and Burner Cleaning and InspectionCleaning the Glass Glass ReplacementGasket Replacement Stove DisassemblyInspect the Vent System Annually Check the Gas Flame RegularlyWiring Diagrams On/Off Switch WiringOptional Thermostat Wiring Schematic DiagramStardance Direct Vent/Natural Vent Gas Heater Stardance Direct Vent/Natural Vent Gas Heater DescriptionFuel Conversion Kits Optional Accessories Stardance Direct Vent/Natural Vent Gas Heater Stardance Direct Vent/Natural Vent Gas Heater Stardance Direct Vent/Natural Vent Gas Heater Limited Lifetime Warranty CFM Corporation

SDDVT specifications

Vermont Casting's SDDVT, or the Signature Series Direct Vent Technology, represents a remarkable blend of design, efficiency, and functionality in the world of high-performance heating appliances. Known for its commitment to craftsmanship, Vermont Casting has long been synonymous with quality, and the SDDVT is no exception.

One of the standout features of the SDDVT is its advanced direct venting capability. This system allows for efficient venting of combustion gases directly outside, minimizing the risk of backdrafting and ensuring optimal indoor air quality. It draws air from the outside for combustion, creating a more controlled environment that enhances both efficiency and safety. Homeowners can rest easy knowing that the SDDVT provides a reliable heating solution while protecting indoor air quality.

Another significant aspect of the SDDVT is its high-efficiency performance. With an impressive Annual Fuel Utilization Efficiency (AFUE) rating, the SDDVT maximizes heat output while minimizing fuel consumption. This efficiency translates to lower energy bills and a reduced carbon footprint, making it an environmentally friendly choice for heating. The unit is designed to operate effectively even in extremely cold temperatures, ensuring comfort throughout the winter months.

The SDDVT also boasts an array of customizable options that appeal to a wide range of aesthetic preferences. Available in various finishes and styles, including traditional cast iron and sleek modern designs, homeowners can select a model that complements their decor. The unit features a large viewing glass that provides an unobstructed view of the flames, creating a cozy ambiance that enhances the living space.

Incorporating cutting-edge technology, the SDDVT includes electronic ignition and advanced control systems, allowing users to easily manage their heating preferences. The integration of smart technology enables compatibility with home automation systems, giving users added convenience and control.

Overall, Vermont Casting's SDDVT is an exemplary heating solution characterized by its innovative direct venting technology, high efficiency, and customizable design options. With a focus on quality and performance, this unit exemplifies the brand's dedication to providing sustainable and effective heating solutions tailored to modern living. Whether for new construction or retrofitting existing spaces, the SDDVT stands as a premier choice for comfort and style.
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