Electrical Connection - Nibe HPAC S40 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 main product must be disconnected from
the power supply when installing HPAC S40.
NOTE
If the supply cable is damaged, only NIBE, its
service representative or similar authorised
person may replace it to prevent any danger
and damage.
• 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.
• 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.
• HPAC S40 restarts after a power failure.
The electrical circuit diagrams are at the end of this In-
staller Manual.
CABLE LOCK
Use a suitable tool to release/lock cables in terminal
blocks.
3
3
1
1
1
4
1
2
3
HPAC S40 | GB
1
2
2
2
2
4
3
OVERVIEW ACCESSORY BOARD
PE
PE
L
N
-X1
-X10
1
2
3
4
5
6
7
-X2
8
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19
9
-X9
AA5-X9
AA5-X2
CONNECTING COMMUNICATION
The accessory board's terminal block AA5-X4:1-3 is
connected directly to the indoor module on the terminal
block AA2-X30:1, 3, 4. 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 AA2-X30:1, 3, 4. The
following boards are connected in series with the previ-
ous board. Use cable type LiYY, EKKX or equivalent.
S1155 / S1255
AA2-X30
1 2 3 4
Accessory 1
AA5-X4
1 A
2 B
3 GND
A
4
B
5
GND
6
7
8
Accessory 2
AA5-X4
A
1
B
2
GND
3
4 A
5 B
6 GND
7
8
The terminal block is upright on S1155.
AA5-X4
-X4
8
7
6
5
4
3
2
1
-X8
6
5
-S2
4
3
2
1
20 21 22 23 24
AA5-S2
27