Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Expose wiring connections at pump, use insulation mat as required
Note. There are a vast amount of pumps on the market,
image is for illustration purposes only
Note. There are a vast amount of pumps on the market,
image is for illustration purposes only
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Measure for A/C voltage across the brown and blue wires at the pump.
Expect voltage, mains voltage.
Expect voltage, mains voltage.

Isolate as per TOPs P4
and refit as necessary