Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
CH Demand
Attach temp clamps to flow and return pipes
Turn CH Thermostat to MID position (display should show approx 60°C)
Preheat Switched OFF (ECO in Display)
WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure
Mains Power On

Measurement:

On/Off switch on.
Allow fan to run and boiler to fire and allow system to reach temperature and turn off demand.
Using telegan temp clamps measure the temperature of the flow pipes close to the boiler.
Temperature should be approx between 55-65°C.