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5 Installation
5.7
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.
5.7.1
Opening and closing the electronics box
B
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.
5.7.2
Cable route
230V
1
24-V eBUS cable route
2
230-V eBUS cable
route
14
A
B
24V / eBus
5.7.3
Carrying out the wiring
30 mm max.
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.
5.7.4
Establishing the power supply
1
1.
Observe all relevant regulations.
–
The applicable regulations state that the connection
must be made via an electrical partition with a con-
tact opening 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 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.
5.
Observe the routing of the power supply cable (1) in the
electronics box in order to guarantee the strain relief.
Installation and maintenance instructions HOME 0020224355_00
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