Vermont Casting DV580, DV360 Troubleshooting the Gas Control System, SIT Nova 820 Millivolt Valve

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DV360/580 Series Direct Vent Gas Fireplace

Troubleshooting the Gas Control System

SIT NOVA 820 Millivolt Valve

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

WARNING: Before doing any gas control service work, remove glass front.

SYMPTOM

POSSIBLE CAUSES

CORRECTIVE ACTION

1. Spark ignitor will not light

A. Defective or misaligned

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

 

electrode at pilot.

pilot and 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 Piezo Ignitor Button. Check for spark at

 

(Push button)

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

 

 

trode wire is properly connected, replace ignitor.

2. Pilot will not stay lit after

A. Defective pilot generator

Check pilot flame. Must impinge on thermo-

carefully following

(thermocouple), remote wall

couple/thermopile. Note: this pilot burner

lighting instructions.

switch

assembly utilizes both-a thermocouple and a ther-

 

 

mopile. The thermocouple 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;

 

 

milivolt meter should read greater than 10 mV.

 

 

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

Check wall switch and wires for proper connections

main burner

defective

Jumper wire accross terminals at wall switch, if

 

 

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

1. Be sure wire connections from thermopile at gas

 

generating sufficient

valve terminals are tight and thermopile is fully

 

millivoltage

inserted into pilot bracket.

 

 

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

 

 

Remove wall switch wires from 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

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

 

operator.

millivolt meter should read greater than 100 mV. If

 

 

the 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

Clean and/or adjust pilot flame for maximum flame

problem.

or blowing (high) causing the

impingement on thermopile and thermocouple.

 

pilot safety to drop out.

 

 

B. Possible blockage of the

Check the vent terminal for blockage (recycling the

 

vent terminal.

flue gases)

 

 

 

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Contents Direct Vent Gas Fireplace Table of Contents Locating Your Fireplace Installation & Operating InstructionsDV360 DV580 Fireplace Dimensions Installed as Top VentFraming Dimensions Fireplace Dimensions Installed as Rear VentMantels Clearance to CombustiblesHearth Final Finishing Framing And FinishingGas Specifications Gas Inlet and Manifold PressuresRemote ON/OFF Switch Installation Gas Line InstallationAlternate Switch Location When purging gas line the front glass must be removedEB-1 Electrical Box Ensure that the power to the supply lineElectronic Gas Control Valve Complete conversion Optional Top Vent ApplicationLocation of Vent Termination General VentingGeneral Venting Information Termination Location Canadian Installations1 US Installations2USA Installations Canadian InstallationsGeneral Information Assembling Vent Pipes Flex Vent PipesTwist Lock Pipes How to Use the Vent GraphRear Wall Vent Application Zero clearance sleeve is only required for combustible walls Rear Wall Vent Installation Twist Lock PipeVertical Sidewall Application Rear Wall Vent Installations Flex Vent Pipe+ B = 17 Max Always install horizontal venting on a level plane Vertical Sidewall Installation Twist Lock PipeHorizontal length requirement Vertical Sidewall Installation Flex Vent PipeVertical Through-the-Roof Application Below Grade InstallationMaximum elbow usage Vertical Through-the-Roof InstallationMin 610 mm Venting Components Operating Instructions Log Identification Chart Installation of LogsDV360 Logs DV360 DV580Log Rear Refer to Figure DV580Top logs must be placed properly onto notches Flame & Temperature Adjustment Burner Lava Rock PlacementFlame Characteristics Large Lava RockDV580 DV360To Turn Off Gas To Heater Lighting and Operating InstructionsTurning Off the Gas to the Appliance Lighting InstructionsValve in the on position Transmitter Operation Off Mode Shut Off ProcedureOn Manual Mode Instructions for RF Comfort Control ValveAuto Mode Delay Timer ModeFan Override During Auto Mode Change Between F/C Temperature UnitsAuto Path LED Count Service ActionOn Path Local Path Remove Window Frame Assembly Before Service Work Troubleshooting Honeywell VS8421SIT Nova 820 Millivolt Valve Troubleshooting the Gas Control SystemStart Troubleshooting the Gas Control System Fuel Conversion Instructions Conversions must be completed by qualified personnelBurner Orifice Conversion DV360 Honeywell ValveUsing a 1/2 open end wrench remove the orifices. Fig Conversion Procedure Installation PrecautionsPilot Orifice Conversion Injector Orifice Size Matrix Cleaning the Standing Pilot Control System MaintenanceLogs May Be HOT Burner and Burner CompartmentDV360/580 DV360/580 Description DV580 GACA4P0 Fuel Conversion Kits FK12 Fan Assembly Optional AccessoriesFK24 Fan Assembly Hard Direct Wire Hook UpInstallation Instructions Remote ControlsCeramic Refractory Panels Decorative Bay WindowsArch/Square Face Kit Conversion Instructions For Use in Mobile Homes Model DV360RMH9b.Units with Honeywell valve DV360/580 Series Direct Vent Gas Fireplace Limited Lifetime Warranty AFUE% Efficiency Ratings

DV580, DV360, DV360 specifications

Vermont Castings is a name synonymous with quality and craftsmanship in the world of fireplaces. Among their celebrated products, the DV580, DV360, and DV360 stand out for their advanced technology, efficiency, and aesthetic appeal. Each of these models offers unique features designed to enhance home heating while maintaining a focus on environmental responsibility.

The DV580 is a powerful direct vent gas stove that seamlessly combines traditional aesthetics with modern functionality. With its large viewing window, it creates a cozy ambiance while allowing users to enjoy the mesmerizing flames. One of its main features is the advanced burner system, which provides a realistic flame appearance. This model also boasts an impressive BTU output, allowing it to heat larger spaces efficiently. The unit is equipped with an electronic ignition, ensuring reliable start-ups even in cold weather.

The DV360, a slightly smaller but equally efficient model, offers versatility for various home settings. With its compact design, it can fit into tighter spaces without sacrificing heating capacity. The DV360 features a unique dual burner system, which promotes a more even and consistent flame. Its direct vent technology ensures that all combustion byproducts are vented outside, maintaining indoor air quality. This model also includes an adjustable flame height, giving users control over the intensity of the heat and ambiance.

In addition to performance, both the DV580 and DV360 prioritize energy efficiency. They are designed to operate with minimal emissions, making them an environmentally friendly choice for homeowners. With a variety of finish options and customizable face designs, these models can complement any home decor. Another key characteristic is the straightforward installation process, which allows homeowners the benefit of having their unit up and running in no time.

Overall, the Vermont Castings DV580, DV360, and DV360 models exemplify a harmonious blend of innovation, functionality, and style. They not only provide warmth but also contribute to the overall aesthetic of any space. With their commitment to quality and performance, Vermont Castings continues to set the standard for direct vent gas stoves, ensuring customers enjoy the best of both worlds: comfort and beauty in their homes.
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