5 Installation
14 Installation and maintenance instructions ENERGY 0020177748_03
5.7.2 Closing the electronics box
▶ Follow the instructions in the reverse order.
5.7.3 Cable route
1 24-V eBUS cable route 2 230-V eBUS cable route
5.7.4 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.
5.7.5 Establishing the power supply
1. Observe all valid regulations.
2. Ensure that the rated mains voltage is 230 V.
3. Set up a fixed connection and install a partition with a
contact opening of at least 3 mm (e.g. fuses or power
switches).
4. 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
5. Open the electronics box. (→ Page 13)
6. Observe the routing of the power supply cable (1) in the
electronics box in order to guarantee that there is no
strain.
7. Carry out the wiring. (→ Page 14)
8. Close the electronics box.
9. Make sure that access to the mains connection is al-
ways available and is not covered or blocked.
5.7.6 Connecting controllers to the electronic
system
–
+
24V=
RT BUS
Burner
off
X106
BUS24 V
BUSRTB.off
B
ur
ner
off
R
T
24V
=
-
+
B
U
S
1
4
32
1 Safety thermostat for
floor-standing heating
2 24 V controller
3 eBUS controller or radio
receiver unit
4 Outside temperature
sensor, wired
1. Open the electronics box. (→ Page 13)
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