Set Appliance State:
Mains Power Off
CH Demand
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Boiler On/Off switch On.
Reset lockout if necessary.
Allow the boiler to fire and system to heat observe system pressure.
Does the system pressure remain stable during heating operation?
Reset lockout if necessary.
Allow the boiler to fire and system to heat observe system pressure.
Does the system pressure remain stable during heating operation?