Set Appliance State:
Mains Power Off
CH Demand
Selector switch to heating
CH temperature selector to maximum
CH temperature selector to maximum
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Allow boiler to fire and system to heat while monitoring the system pressure gauge.
Does the system pressure remain stable at its charge pressure?
System pressure should be approximately 1 bar.
Does the system pressure remain stable at its charge pressure?
System pressure should be approximately 1 bar.
Isolate as per TOPs P4
and refit as necessary