Electrical Connection - Nibe PCS 44 Installateurhandbuch

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.
The indoor module must not be powered when
installing PCS 44.
The electrical circuit diagram is at the end of this Installer
handbook.
• To prevent interference, sensor cables to external
connections must not be laid close to high voltage
cables.
• The minimum area of communication and sensor
cables to external connections must be 0,5 mm² up
to 50 m, for example EKKX, LiYY or equivalent.
• PCS 44 must be installed via an isolator switch. The
cable area has to be dimensioned based on the fuse
rating used.
• Mark the relevant electrical cabinet with a warning
about external voltage, in those cases where a com-
ponent in the cabinet has a separate supply.
• PCS 44 restarts after a power failure.
CABLE LOCK
Use a suitable tool to release/lock cables in terminal
blocks.
3
3
1
1
2
1
4
1
2
3
22
1
2
2
2
4
3
OVERVIEW ACCESSORY BOARD (AA5)
AA5-S2
AA5-X2
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
-X8
-X2
-X4
1
2
3
4
5
6
7
8
AA5-X4 AA5-X10
CONNECTING COMMUNICATION
This accessory contains an accessory board (AA5) that
must be connected directly to the indoor module on
terminal block AA100-X9:8–10. Use cable type LiYY,
EKKX or equivalent.
If several accessories are to be connected or are already
installed, the following instructions must be followed.
The first accessory board is connected directly to the
indoor module's terminal block AA100-X9:8–10. The
following boards are connected in series with the previ-
ous board. Use cable type LiYY, EKKX or equivalent.
Because there can be different connections for accessor-
ies with accessory board (AA5), you should always read
the instructions in the manual for the accessory that is
to be installed.
Indoor module
AA100-X9
+12V
7
8 A
9 B
GND
10
11
12
Accessory 1
AA5-X4
1 A
B
2
3 GND
A
4
B
5
6 GND
7
8
Accessory 2
AA5-X4
A
1
2 B
GND
3
4 A
B
5
6 GND
7
8
AA5-X9
-X9
9
9 8 7 6 5 4 3 2 1
8
7
6
5
4
3
2
1
-X10
-X1
N
L
PE
PE
AA5-X1
PCS 44 | GB