Vermont Casting RHEDV32 Eurosit 630 Gas Valve, Symptom, Possible Causes, Corrective Action

Models: RHEDV25 RHEDV42 RHEDV32

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Eurosit 630 Gas Valve

Vermont Castings, Majestic Products RHEDV Direct Vent Insert

Troubleshooting the Gas Control System

Eurosit 630 Gas Valve

NOTE: Before troubleshooting 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 pilot and

 

electrode 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)

Push Piezo Ignitor Button. Check for spark at electrode

 

 

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

 

 

properly connected, replace ignitor.

2. Pilot will not stay lit after

A. Defective pilot generator

Check pilot flame. Must impinge on thermocouple.

carefully following lighting

thermocouple.

Clean and or adjust pilot for maximum flame impinge-

ment instructions.

 

on thermocouple.

 

B. Defective automatic valve

Turn valve knob to "Pilot". Maintain flow to pilot;

 

operator.

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. Sensing bulb not in proper

Make sure sensing bulb is located in bracket on the

burner, Valve knob "ON".

location.

lower right hand side of unit.

 

B. Temperature sensing bulb

Carefully examine sensing bulb and capillery tube for

 

damaged or tubing to bulb

damage. If tubing is kinked, replace gas valve.

 

kinked

 

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 thermocouple.

 

 

pilot safety to drop out.

 

B. Possible leak in liner or seals.

Check the venting for leaks or blockage.

 

 

 

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10000801

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Vermont Casting RHEDV32, RHEDV25, RHEDV42 Eurosit 630 Gas Valve, Symptom, Possible Causes, Corrective Action, 10000801