Vermont Casting NVC43 - Manual (Page 17)

17
NVC Series B-Vent
20000194
Troubleshooting
FP396
Gas Supply On Supply Line Hooked Up
Shutoff Valve Open
NO
NO
NO
NO
Lockout Has Engaged. Wait
60 Seconds and Try Again.
Piezo Nut Tight for Good Ground.
For Spark at Electrode While
Depressing Piezo (Red Button)
- 1/8" Gap to Pilot Hood Needed.
All Wiring Connections
Replace Piezo Ignitor
Check thermodisk
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.
Pilot Lights With
Piezo Ignitor
YES
YES
YES
YES
Pilot Stays Lit
Pilot Lights Main
Burner
System Ok.
START
CHECK
Valve is Turned On
Wall Switch is Not Turned On.
Watch for Grounded Wires!
Thermopile Needs a
Minimum 325Mv.
Plugged Burner Orifice.
Defective Valve. Turn to Pilot,
Meter Should Read Greater Than
100 Mv. If Not, Replace.
FP396
NVC-standing pilot troubleshooting
8/17/98
Nova SIT 820 Standing Pilot