Installation 5
0020200954_00 SUSTAIN ..c Installation and maintenance instructions 15
5.6 Electrical installation
Danger!
Risk of death from electric shock!
The mains connection terminals L and N re-
main live even if the product is switched off:
▶ Switch off the power supply.
▶ Secure the power supply against being
switched on again.
5.6.1 Opening the electronics box
▶ Follow the instructions in the specified sequence.
5.6.2 Closing the electronics box
▶ Follow the instructions in the reverse order.
5.6.3 Cable route
1 24-V eBUS cable route
2 230-V eBUS cable
route
5.6.4 Carrying out the wiring
1. Shorten the connection cables to the appropriate
lengths to prevent them from causing damage inside
the electronics box.
2. Screw the plug to the connection cable.
3. Plug the plug into the slot provided on the PCB.
5.6.5 Establishing the power supply
1. Observe all valid regulations.
2. Make sure that the rated voltage of the mains is 230 V.
3. Provide one common electricity supply for the boiler
and for the corresponding controller:
– Power supply: Single-phase, 230 V, 50 Hz
– Fuse protection: ≤ 3 A
4. Open the electronics box. (→ Page 15)
5. Observe the routing of the power supply cable (1) in the
electronics box in order to guarantee the strain relief.