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Nibe VVM S325 Installateurhandbuch Seite 65

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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 POOL 310 .
• 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.
• POOL 310 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.
• POOL 310 restarts after a power failure.
The electrical circuit diagram is at the end of this Installer
handbook.
CABLE LOCK
Use a suitable tool to release/lock cables in terminal
blocks.
3
3
1
1
2
1
4
1
2
3
POOL 310 | GB
1
2
2
2
4
3
CONNECTING COMMUNICATION
This accessory contains an accessory board (AA5) that
must be connected directly to the indoor module on the
input board (terminal block AA3-X4).
If several accessories are to be connected or are already
installed, the following instructions must be followed.
The first accessory board must be connected directly
to the indoor module's terminal block AA3-X4. The fol-
lowing boards must be connected in series with the
previous board.
Use cable type LiYY, EKKX or similar.
Compatible product
AA3-X4
A
15
15
B
14
14
GND
13
13
Indoor module
Accessory card 1
AA5-X4
A
1
1
B
2
2
AA5-X4
GND
3
3
A
4
4
B
5
5
GND
6
6
7
7
8
8
Accessory card 2
AA5-X4
A
1
1
B
2
2
GND
3
3
AA5-X4
A
4
4
B
5
5
GND
6
6
7
7
8
8
POWER CONNECTION
Connect the power supply cable to terminal block X1
as illustrated.
Tightening torque: 0,5-0,6 Nm.
POOL 310
External
ProduktNamn
Externt
X1
N
1
L
2
AA3-X4
-X9
9
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
8
-X8
-X2
7
6
5
-X4
4
1
3
2
2
3
1
4
-X10
5
6
-X1
7
N
8
L
PE
PE
-X9
9
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
8
-X8
-X2
7
6
5
-X4
4
1
3
2
2
1
3
4
-X10
5
6
-X1
7
N
8
L
PE
PE
65

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