Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach FGA to fan pressure test point
Note: If the fan air intake is removed to attach the
FGA it must be replaced before carrying out the test
Note: If the fan air intake is removed to attach the
FGA it must be replaced before carrying out the test
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Reset appliance as necessary and allow the boiler to complete its self check.
Set the boiler to service mode by holding down the eco and spanner buttons for 5 seconds until MAX is displayed.
Allow boiler to modulate to maximum rate
(this will take approx. 40 seconds after ignition).
Check the observed fan pressure against the table.
Note:
To turn service mode off press the OK button once.
Set the boiler to service mode by holding down the eco and spanner buttons for 5 seconds until MAX is displayed.
Allow boiler to modulate to maximum rate
(this will take approx. 40 seconds after ignition).
Check the observed fan pressure against the table.
Note:
To turn service mode off press the OK button once.
Isolate as per TOPs P4
and refit as necessary