Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Gain access to PCB (use Insulation Mat as required)
Link pins 1 and 2 of five pole connector on mounting frame
Selector switch OFF
Link pins 1 and 2 of five pole connector on mounting frame
Selector switch OFF
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Measure Mains voltage across connectors CN4 connection
5 (L Brown) and CN3 connection 2 (N Blue).
Note:
This test bypasses all external controls
Expect mains voltage.
5 (L Brown) and CN3 connection 2 (N Blue).
Note:
This test bypasses all external controls
Expect mains voltage.

Isolate as per TOPs P4
and refit as necessary