Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
CH temperature control turned to MAX
Disconnect external control wiring from connector 56 on the PCB and make safe
Bypass external controls between connections L and LR using a wire link (see photo below)
Disconnect external control wiring from connector 56 on the PCB and make safe
Bypass external controls between connections L and LR using a wire link (see photo below)
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Does the appliance now recognise a CH demand?
A radiator symbol should appear on the display.
A radiator symbol should appear on the display.
Isolate as per TOPs P4
and refit as necessary