Set Appliance State:

Mains Power Off
Turn hot water tap ON with a flow rate of 3 l/min
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Does the appliance recognise a DHW demand ?
Note.
1. DHW demand is recognised by the tap symbol flashing on the display.
2. Minimum flow rate for appliance is 2 l/min.