NVC Series
Troubleshooting
Nova SIT 820 Standing Pilot
START
Gas Supply On
YES
CHECK
NO 
Supply Line Hooked Up
Shutoff Valve Open
Pilot Lights With Piezo Ignitor
YES
Pilot Stays Lit
YES
Pilot Lights Main Burner
YES
System Ok.
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.
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
20000194 | 17 |
