Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Remove all external control wiring connections and make safe
Link out external controls (wire link)
Link out external controls (wire link)
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Does the boiler now respond to a CH demand?
(Box appears around the radiator symbol on the display)
(Box appears around the radiator symbol on the display)
Isolate as per TOPs P4
and refit as necessary