Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Gain Access to the external controls wiring
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
This boiler is fed via a switched live directly from the external controls.
Therefore it will be necessary to eliminate the controls by testing between them and the fused spur.
Therefore it will be necessary to eliminate the controls by testing between them and the fused spur.