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 carried
out in accordance with the stipulations in force.
F1145/F1245 must not be powered when in-
stalling PCS 44.
The electrical circuit diagram is at the end of these install-
ation instructions.
Connecting the supply
Connect the power supply to terminal block X1 as illus-
trated.
-X1
1
2
3
12
230V 50Hz
N
L
PE
Connecting communication
The first accessory card must be connected directly to the
heat pump's terminal block AA3-X4. In the event of sev-
eral accessory cards the following cards must be connec-
ted in series with the previous card.
Use cable type LiYY, EKKX or similar.
F1145/F1245
AA3-X4
AA3-X4
A
15
B
14
GND
13
Accessory card 1
AA5-X4
A
1
B
2
GND
3
A
4
B
5
GND
6
7
8
Accessory card 2
AA5-X4
A
1
B
2
GND
3
A
4
B
5
GND
6
7
8
AA3-X4
F1145 F1245
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7
-X8
-X2
AA5-X4 -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
-X8
-X2
AA5-X4 -X4
1
2
3
4
5
6
7
8
-X9
9
6 5 4 3 2 1
8
7
6
5
4
3
2
1
-X10
-X1
N
L
PE
PE
-X9
9
6 5 4 3 2 1
8
7
6
5
4
3
2
1
-X10
-X1
N
L
PE
PE