Connecting
accessories
Instructions for connecting other accessories are in the
installation instructions provided. See page 63 for a list
of those accessories that can be used for SMO 40.
ACCESSORIES WITH ACCESSORY BOARD
(AA5)
Accessories with accessory board (AA5) are connected
to the control module’s terminal block X4:4-6 on the in-
put board AA5.
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 control module's terminal block AA5-X4. The fol-
lowing boards must be connected in series with the
previous board.
Use cable type LiYY, EKKX or similar.
Refer to the accessory manual for further instructions.
1
2
3
4
5
6
7
8
AA5-X4
4
A
B
GND
A
B
GND
A
B
GND
A
B
GND
A
B
GND
5
6
AA5-X4
1
2
3
4
5
6
7
8
AA5-X4
SMO40
Accessory card 1
Accessory card 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
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
ON
1 2 3 4 5 6 7 8
-X9
-X2
24
20
21
22
23
15
16
17
18
19
10
11
12
13
14
5
6
7
8
9
1
1
NLPEPE
12345678
2
1 2
3 4 5 6 7 8 9
2
3
4
-X8
-X4
-X10
-X1
ACCESSORIES WITH SMS BOARD (AA9)
Accessories with SMS board (AA9) are connected to
the control module terminal block X4:9-12 on the input
board AA3. Use cable type LiYY, EKKX or equivalent.
Refer to the accessory manual for further instructions.
Control module
AA3-X4
AA9-X1
Accessories
33Chapter 5 | Electrical connectionsNIBE SMO 40