Set Appliance State:

Mains Power Off
CH Demand
WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure
Mains Power On

Observation:

Run CH allow Boiler to Fire and then Turn OFF Demand.
Time Pump and Fan Overrun.
The Pump should overrun for approx 45 seconds.
The Fan should overrun for approx 60 seconds.