Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Measurement:
If the temperature of either the primary or DHW sensor drops below 5°C the boiler will fire until the primary sensor is at 30°C and the DHW sensor reaches 7°C.
Using a temperature probe if necessary determine whether the boiler is cold enough to have enabled its frost protection mode.
Using a temperature probe if necessary determine whether the boiler is cold enough to have enabled its frost protection mode.