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5 Installation
5.5.2
Establishing the power supply
1.
Before carrying out the electrical installation, check
whether the local mains voltage matches the informa-
tion on the product data plate.
2.
Undo the five screws on the electronics box on the rear
of the product.
3.
Remove the cover from the electronics box.
4.
Use a flexible cable for the power supply within the
product (fine-wire copper strand 5 x 2.5 mm
H07RR-F 5x2.5). Outside of the product, you can use a
fixed cable (e.g. small distribution box on the wall).
5.
Run the power supply cable (2) through the grommet on
the underside of the electronics box. Leave all unused
grommets installed on the electronics box.
6.
Install the power supply cable and secure it using the
installed strain relief (3).
7.
Shorten the power supply cable to the required length,
strip the cable to approx. 20-30 mm, and strip 8-9 mm
of insulation from the conductors.
8.
Connect the power supply cable's conductors to the
corresponding terminals (1) in the electronics box:
Open the terminals by inserting a screwdriver (size 1)
with a tilting movement into the square opening as
far as it will go. Insert the conductors into the round
opening on the terminal as far as they will go. Pull out
the screwdriver again.
14
9.
10. Close the electronics box by positioning the cover and
11. Connect the power supply cable via an all-pole partition
12. Secure the cable with 3 x 16 A and, if prescribed, a
5.5.3
1.
2.
1
3.
4.
2
5.
6.
3
7.
8.
9.
10. Close the electronics box by positioning the cover and
5.5.4
1.
2
– type:
2.
3.
5.5.5
▶
Installation and maintenance instructions ecoPOWER 3.0 /2, ecoPOWER 4.7 /2 0020241403_02
Ensure that the conductors are mechanically fixed in
place in the terminals.
tightening the five screws.
with a contact gap of at least 3 mm in the circuit distrib-
utor (sub-distribution).
neutral conductor isolator.
Connecting accessories and external
installation components
Note
The electrical connections use proE connection
technology. The connection plugs are colour-
coded and labelled so that you can allocate the
components to the right connections.
Install accessories and external installation components
in accordance with the relevant installation instructions.
Undo the five screws on the electronics box on the rear
of the product.
Remove the cover from the electronics box.
Run the connection cable for each component being
connected through one of the grommets on the rear of
the electronics box.
Install the cables with the installed strain relief.
Shorten each cable to the required length and strip the
cable to approx. 20-30 mm.
Insulate the conductors and fit conductor end sleeves to
the ends of the conductors.
Connect the conductors to the relevant ProE plugs or
slots of the electronics (→connection diagram in the
appendix).
Ensure that the conductors are held mechanically se-
curely in the screw terminals of the ProE plug.
tightening the five screws.
Connecting a return retention group
Connect the accessories and/or external installation
components to the electricity supply. (→ Page 14)
Connect the return retention group's 3-port mixing valve
to the BHKW Mischer terminal.
Connect the return retention group's pump to the
BHKW Pumpe terminal.
Connecting sensors
Connect the sensors that are required for the relevant
configuration of the heating system and the control type
(heating/domestic hot water parameters) (→ Overview of
the required sensors in the appendix).
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