CONNECTION
S1155/S1255
This accessory contains a communication board (AA23) that
must be connected directly to the compatible main product
on the PCB (terminal block AA2-X30)).
The terminal block (AA23-X1:9-10) on the communication
board must be connected to the inverter.
If several accessories are to be connected, or are already
connected, the following cards must be connected in series
with the previous card.
4
3
2
1
11
10
9
8
2
3
4
5
6
7
1
B
A
B
G
N
D
1
2
V
A
1
2
3
4
B
GND
A
GND
AA23-X1
AA2-X30
AA5-X4
Accessories 2
Inverter
Compatible main product
EME 20
SMO S40
This accessory contains a communication board (AA23) that
must be connected directly to the compatible control module
on the joint board (terminal block AA100-X9)).
The terminal block (AA23-X1:9-10) on the communication
board must be connected to the inverter.
If several accessories are to be connected, or are already
connected, the following cards must be connected in series
with the previous card.
11
10
9
8
2
3
4
5
6
7
1
B
G
N
D
1
2
V
A
B
GND
A
1
2
3
4
B
A
10
9
8
7
GND
AA100-X9
EME 20
AA23-X1
Accessories 2
Inverter
AA5-X4
SMO S40
Connecting multiple inverters to one
NIBE EME 20
Twelve inverters of the same make can be connected in
parallel to one NIBE EME 20.
B
A
B
A
B
A
11
10
9
8
GND
EME 20
Inverter 1
Inverter 2
Inverter 3
Connecting the energy meter
To connect the energy meter (optional), see the Installer
Manual for the main product.
DIP SWITCH
The DIP switch (S2) on the communication board (AA23).
Default OFF.
ON
1 2 3 4
6
5
8
7
Program settings
MENU 7.2.1 - ADD/REMOVE ACCESSORIES
Here, you state which accessories are installed for the
compatible product.
To identify connected accessories automatically, select
"Search for accessories". It is also possible to select accessor-
ies manually from the list.
MENU 4.2.2 - SOLAR ELECTRICITY
AFFECT ROOM TEMP HEATING
Alternative: on/off
AFFECT HOT WATER
Alternative: on/off
AFFECT POOL
Alternative: on/off
ENERGY METER
Alternative: BE6, BE7, BE8
PRIORITISE DOMESTIC ELECTRICITY
Alternative: yes/no.
11
NIBE EME 20 S-series | GB
S