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Troubleshooting the gas control system – Vermont Casting RHEDV25 User Manual

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Vermont Castings, Majestic Products RHEDV Direct Vent Insert

Gas Supply On

Supply Line Hooked Up
Shutoff Valve Open

NO

NO

NO

NO

Lockout Has Engaged. Wait
60 Seconds And Try Again.
For Spark At Electrode While
Depressing Piezo 1/8" Gap To
Pilot Hood Needed.
All Wiring Connections
Replace Piezo Ignitor

For Air In The Lines
Thermopile Needs A Minimum
325mv. Adjust Pilot Flame Height.
All Wiring Connections.
Replace Thermopile
Thermocouple Needs A Minimum
of 14mv.
Defective Valve. Turn To Pilot,
Meter Should Read Greater Than
100 Mv. If Not, Replace.

Pilot Lights With
Piezo Ignitor

YES

YES

YES

YES

Pilot Stays Lit

Pilot Lights Main
Burner

System OK.

START

CHECK

Valve Is Turned On
On/off Switch Is Not Turned On.
Watch For Grounded Wires!
Thermopile Needs A Minimum
325mv.
Plugged Burner Orifice.

Troubleshooting the Gas Control System

Honeywell Millivolt Valve