Isolate Mains Power to appliance as per TOPs P4
Turn off cold water supply to appliance
Discharge water pressure from system
Turn off cold water supply to appliance
Discharge water pressure from system
Observation:
Measure pressure of expansion vessel. Expected pressure 2.5 to 2.7 bar.
Note:
The pressure of the vessel cannot be accurately checked with water pressure in the system.
Note:
The pressure of the vessel cannot be accurately checked with water pressure in the system.
