5 Installation
14 Installation and maintenance instructions EASICOM 3 0020239562_02
5.6 Electrical installation
Danger!
Risk of death from electric shock!
The power supply terminals L and N remain
live even if the product is switched off:
▶ Switch off the power supply.
▶ Secure the power supply against being
switched on again.
Only qualified electricians may carry out the electrical install-
ation.
5.6.1 Opening and closing the electronics box
1. To open the electronics box, follow the instructions in
the specified sequence.
2. To close the electronics box, follow the instructions in
reverse order.
5.6.2 Cable route
1 24-V eBUS cable route
2 230-V eBUS cable route
5.6.3 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.
5.6.4 Establishing the power supply
1. Observe all valid regulations.
– The applicable regulations state that the connection
must be made via an electrical partition with a con-
tact gap of at least 3 mm at each pole.
2. Make sure that the rated voltage of the mains is 230 V.
3. Provide one common power supply for the boiler and
for the corresponding control:
– Power supply: Single-phase, 230 V, 50 Hz
– Cover plate: ≤ 3 A
4. Open the electronics box. (→ Page 14)
5. Observe the routing of the power supply cable (1) in the
electronics box in order to guarantee that there is no
strain.
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