Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach pressure gauge to fan pressure test point
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Reset appliance if required (press and hold reset button for 5 seconds then release).
Allow boiler to start it's ignition sequence (fan running).
Fan pressure should reach a negative pressure of approximately -2.5 mbar or greater.
(e.g. -3.0 mbar)
Notes:
1. The pressure measured will be negative.
2. When pressure gauge is removed, pressure test cap should be replaced.
Allow boiler to start it's ignition sequence (fan running).
Fan pressure should reach a negative pressure of approximately -2.5 mbar or greater.
(e.g. -3.0 mbar)
Notes:
1. The pressure measured will be negative.
2. When pressure gauge is removed, pressure test cap should be replaced.
Isolate as per TOPs P4
and refit as necessary