Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Close the integral bypass by turning adjustment screw clockwise, counting the number of turns until it stops
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Do the radiators now start to heat correctly?
Note:
If radiators still do not heat reset the bypass to its original setting.
Note:
If radiators still do not heat reset the bypass to its original setting.