Set Appliance State:

Mains Power Off
Turn Hot Water Tap On
Selector switch in OFF position
CH temperature selector to MIN
DHW temperature selector to MAX
WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure
Mains Power On

Measurement:

Turn the selector switch to the water heating position.
With a flow rate of approximately 9.8 l/min (2.16gals/min 1 pint in approximately 3.5 seconds),
is there a temperature rise of 35 deg C?
Is the operation satisfactory?