Vermont Casting DVR33 manual Troubleshooting the Gas Control System

Models: DVR33

1 40
Download 40 pages 55.55 Kb
Page 29
Image 29

Vermont Castings, Majestic Products: DVR33

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 des not

 

 

 

light, check gap at electrode and pilot; it should be

 

 

 

1/8" to have a strong spark.

 

 

 

 

 

 

B. Defective ignitor (Push Button)

Push Piezo Ignitor Button. Check for spark at

 

 

 

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 lighting

(thermocouple), remote wall

couple/thermopile. Note: this pilot burner assem

instructions.

switch.

bly utilizes both-a thermocouple and a thermopile.

 

 

 

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;

 

 

 

millivolt 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 defective

Check wall switch and wires for proper connec

main burner

 

tions. Jumper wire across 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

 

 

generating sufficient

gas valve terminals are tight and thermopile is

 

 

millivoltage.

fully 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 vent

Check the vent terminal for blockage (recycling the

 

 

terminal.

flue gases)

 

 

 

 

10004920

29

Page 29
Image 29
Vermont Casting DVR33 manual Troubleshooting the Gas Control System

DVR33 specifications

The Vermont Casting DVR33 is a prominent name in the hearth solutions market, known for blending exceptional design with advanced heating technology. This distinctive gas fireplace is engineered to offer both efficiency and aesthetic appeal, making it a valuable addition to any home.

One of the primary features of the DVR33 is its realistic flame presentation. Utilizing advanced gas burner technology, it creates a mesmerizing fire that mimics the beauty of traditional wood-burning fireplaces. The flames dance and flicker, providing warmth and comfort while generating an inviting ambiance that enhances any living space.

The DVR33 is designed with energy efficiency in mind. With an efficiency rating of up to 80 percent, this model ensures that minimal heat is lost, making it a cost-effective heating solution. It is also equipped with a sealed combustion system that draws air from outside for combustion, ensuring improved indoor air quality and reducing energy costs.

Safety is another critical aspect of the DVR33. It comes with an electronic ignition system that ensures reliable performance without the need for continuous pilot lights, thus conserving energy. The adjustable flame height and heat output provide users with control over their heating needs, allowing for personalized comfort levels depending on the season or occasion.

Aesthetically, the DVR33 offers a customizable design. Homeowners can select from various fronts, finishes, and decorative options, allowing them to seamlessly integrate the fireplace into their existing decor. The unit also includes a realistic ceramic log set that enhances the lifelike appearance of the flames.

In terms of maintenance, the DVR33 is designed for convenience. It requires minimal upkeep, and the accessible controls simplify operation. Additionally, Vermont Castings offers an impressive warranty, underscoring their commitment to quality and customer satisfaction.

Overall, the Vermont Casting DVR33 stands out as a high-quality gas fireplace that combines technology, efficiency, and design. With its beautiful flame presentation, customizable options, and focus on safety, it’s an ideal choice for anyone looking to enhance their home with the warmth and elegance of a gas fireplace.