Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach U-gauge to the burner pressure test point.
Remove 1 blue wire from the modulating solenoid ( blue wire ).
Boiler ON/OFF switch ON.
Mains Power ON
Remove 1 blue wire from the modulating solenoid ( blue wire ).
Boiler ON/OFF switch ON.
Mains Power ON
Observation:
Allow boiler to commence its ignition sequence and ignite.
Observe the U-Gauge.
Does the burner light at low pressure, approximately 1.5mbar.
Note
When the U-Gauge is removed the pressure test point should be tightened a checked for gas tightness.
Observe the U-Gauge.
Does the burner light at low pressure, approximately 1.5mbar.
Note
When the U-Gauge is removed the pressure test point should be tightened a checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary