Electrical Connection - Nibe PCS 44 Installateurhandbuch

GB

Electrical connection

NOTE
All electrical connections must be carried out
by an authorised electrician.
Electrical installation and wiring must be car-
ried out in accordance with the stipulations in
force.
The heat pump must not be powered when
installing PCS 44.
The electrical circuit diagram is at the end of this In-
staller handbook.
Connecting communication
This accessory contains an accessories card (AA5) that
must be connected directly to the heat pump on the
input card (terminal block AA3-X4).
If several accessories are to be connected or are already
installed, the following instructions must be followed.
The first accessory card must be connected directly to
the heat pump's terminal block AA3-X4. The following
cards must be connected in series with the previous
card.
Use cable type LiYY, EKKX or similar.
14
AA3-X4
A
15
B
14
GND
13
AA5-X4
A
1
B
2
GND
3
A
4
B
5
GND
6
7
8
AA5-X4
A
1
B
2
GND
3
A
4
B
5
GND
6
7
8
Connecting the supply
Connect the power supply to terminal block X1 as illus-
trated.
-X1
1
2
3
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5
-X8
-X2
-X4
1
2
3
4
5
6
7
8
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5
-X8
-X2
-X4
1
2
3
4
5
6
7
8
230V 50Hz
N
L
PE
-X9
9
4 3 2 1
8
7
6
5
4
3
2
1
-X10
-X1
N
L
PE
PE
-X9
9
4 3 2 1
8
7
6
5
4
3
2
1
-X10
-X1
N
L
PE
PE