Isolate Mains Power to appliance as per TOPs P4
Observation:
Establish at what pressure the system is charged.
Expected system pressure approximately 1.5 bar.
Ensure any air in the system is removed.
Note:
There is a manual air vent located top of the heat exchanger.
Expected system pressure approximately 1.5 bar.
Ensure any air in the system is removed.
Note:
There is a manual air vent located top of the heat exchanger.
Isolate as per TOPs P4
and refit as necessary