Nibe FLM - Page 19

Connecting the communication to NIBE FLM
no. 2-4
NIBE FLM no. 2 connects directly to the heat pump on
the input board (terminal block AA3-X4) in
F1145/F1155/F1245/F1255 or on terminal block X6 in
F1345 and on terminal block AA101:X10 in F1345
2.0/F1355.
NIBE FLM no. 3 connects to the accessory board’s ter-
minal block (AA5-X4) in NIBE FLM no. 2.
NIBE FLM no. 4 connects in a similar way in NIBE FLM
no. 3.
Use cable type LiYY, EKKX or similar.
1
2
3
4
5
6
7
8
AA5-X4
15
A
B
GND
A
B
GND
A
B
GND
A
B
GND
A
B
GND
14
13
AA3-X4
1
2
3
4
5
6
7
8
AA5-X4
X6
1 2 3 4
A
B
GND
1
2
3
4
5
6
7
8
15
14
13
1
2
3
4
5
6
7
8
F1245/F1255
F1145/F1155
AA3-X4
ON
1 2 3 4 5 6 7 8
-X9
-X2
24 20212223 1516171819 1011121314 56789 1
1
N
L
PE
PE
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
9
234
-X8
-X4
-X10
-X1
AA5-X4
AA3-X4
LEK
F750
LEK
F1345
NIBE FLM no. 2
NIBE FLM no. 3
X6
FLM no. 2
ON
1 2 3 4 5 6 7 8
-X9
-X2
24 20212223 1516171819 1011121314 56789 1
1
N
L
PE
PE
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
9
234
-X8
-X4
-X10
-X1
FLM no. 3
AA5-X4
Compatible heat pump
LEK
F1345 2.0/F1355
AA101:X10
3
4
5
-X10
-AA101
6
7
A
B
GND
NIBE FLM 2-4 can be connected in a similar way to a
previously installed accessory and its accessory board.
The DIP switch (AA5-S2) must be set as follows.
LEK LEK
S3 AA5-S2 AA5
AA5-S2
ON
1 2 3 4 5 6 7 8
AA5-S2
NIBE FLM no. 3
ON
1 2 3 4 5 6 7 8
AA5-S2
NIBE FLM no. 2
ON
1 2 3 4 5 6 7 8
AA5-S2
NIBE FLM no. 4
19Chapter 5 | Electrical connectionsNIBE FLM