Set Appliance State:

Turn Hot Water Tap On
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Allow the boiler to ignite and run for DHW.
Measure the temperature rise of the DHW at the flow rate specified in the table for the output of appliance you are working on, there should be a rise of approximately 35°C.
Is there a 35°C temperature rise and is operation satisfactory?
Note:
Flow rates lower than shown in the table will result in a higher temperature rise, to investigate a poor flow rate click here.