Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
DHW Demand
Set FGA to Pressure setting
Disconnect the pressure tube from the gas valve and connect to it the positive pressure connection on the FGA
Disconnect the pressure tube from the gas valve and connect to it the positive pressure connection on the FGA
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Press reset to cancel purge cycle countdown.
As the fan runs during the ignition sequence is there a positive pressure of at least 1 mbar?
As the fan runs during the ignition sequence is there a positive pressure of at least 1 mbar?
Isolate as per TOPs P4
and refit as necessary