Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Disconnect an orange lead from the overheat thermostat
and make safe
and make safe
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Turn on the boiler thermostat, the appliance will go to lockout.
Turn the boiler thermostat to OFF.
Reconnect orange lead to the overheat stat.
Mains Power On
Wait 10 seconds and turn boiler thermostat to calling position.
Does appliance start ignition sequence signifying lockout has reset?
Turn the boiler thermostat to OFF.
| Isolate Mains Power to appliance as per TOP's P4 |
Reconnect orange lead to the overheat stat.
Mains Power On
Wait 10 seconds and turn boiler thermostat to calling position.
Does appliance start ignition sequence signifying lockout has reset?
Isolate as per TOPs P4
and refit as necessary