Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4

Observation:

This appliance can be installed with 3 different types of external controls.
Low voltage controls (which will be wired into terminals marked 7, 8 and 9).
Mains voltage controls (which will be wired into terminals marked 3 and 4).
eBUS controls (which will be wired into terminals marked - and +).
Which type of controls are fitted?