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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 heat pump must not be powered when in-
stalling AXC 50.
Electrical circuit diagrams are at the end of the chapter
for each connection option.
Connecting the supply
Connect the power supply to terminal block X1 as illus-
trated.
3
2
1
N
230V 50Hz
-X1
L
PE
8QLW ER[
([WHUQDO
Connecting communication
This accessory contains an accessories card (AA5) that
must be connected directly to the heat pump on terminal
block X6 in F1345.
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
terminal block X6 in F1345. The following cards must be
connected in series with the previous card.
Use cable type LiYY, EKKX or similar.
1
2
3
4
5
6
7
8
AA5-X4
A
B
GND
A
B
GND
A
B
GND
A
B
GND
1
2
3
4
5
6
7
8
AA5-X4
X6
1 2 3 4
A
B
GND
$FFHVVRU\ FDUG
$FFHVVRU\ FDUG
ON
12345678
-X9
-X2
24
20
21
22
23
15
16
17
18
19
10
11
12
13
14
5
6
7
8
9
1
1
N
L
PE
PE
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
9
2
3
4
-X8
-X4
-X10
-X1
$$;
ON
12345678
-X9
-X2
24
20
21
22
23
15
16
17
18
19
10
11
12
13
14
5
6
7
8
9
1
1
N
L
PE
PE
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
9
2
3
4
-X8
-X4
-X10
-X1
$$;
(%
LEK
)
;
3
Chapter 2 |
Common electrical connection
AXC 50
2 Common electrical connection
Summary of Contents for AXC 50
Page 1: ...Installer manual LEK AXC 50 Accessories IHB GB 1222 1 231158...
Page 2: ......
Page 10: ...Electrical circuit diagram AXC 50 Chapter 3 Shunt controlled additional heat 8...
Page 15: ...Electrical circuit diagram 13 Chapter 4 Step controlled additional heat AXC 50...
Page 21: ...Electrical circuit diagram 19 Chapter 5 Extra climate system AXC 50...
Page 26: ...Electrical circuit diagram AXC 50 Chapter 6 Hot water comfort 24...
Page 29: ...Electrical circuit diagram 27 Chapter 7 Groundwater pump AXC 50...
Page 34: ...Electrical circuit diagram AXC 50 Chapter 8 Passive cooling 4 pipe 32...
Page 40: ...Electrical circuit diagram AXC 50 Chapter 9 Passive cooling 2 pipe 38...
Page 46: ...Electrical circuit diagram AXC 50 Chapter 10 Passive active cooling 2 pipe 44...
Page 47: ......
Page 48: ...NIBE AB Sweden Hannabadsv gen 5 Box 14 SE 285 21 Markaryd info nibe se www nibe eu 231158...