Set Appliance State:

Ensure NO demands
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Note:
Parameter 15 is set as default at 99% of the
maximum boiler heating output, but it can be set between 30 - 99%.
CLICK HERE for guidance on how to check/adjust the value set in Parameter 15.
The formula to calculate maximum heating power is :
The value set in Parameter 15 (%) x Maximum heating output (KW)

Does the value set in parameter 15 correctly represent
the actual heating requirement for the installation ?