Electrical Connection - Nibe EME 20 Installateurhandbuch

Electrical connection

CONNECTING COMMUNICATION
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
installing EME 20.
• 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.
• EME 20 restarts after a power failure.
CABLE LOCK
Use a suitable tool to release/lock cables in terminal
blocks.
3
1
1
4
1
2
CONNECTING TO INVERTER
Connect the cables to the converter according to the
diagram below.
NOTE
The front cover on the inverter must not be
opened. Connection must be made via the
dedicated cover under the inverter, as illus-
trated. Use the enclosed terminal block sup-
plied with the inverter. Note how the cables
are connected in the terminal block!
EME 20 | GB
3
1
2
2
2
2
4
1
3
3
CONNECTION TO MAIN PRODUCT
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.
AA2-X30
1 2 3 4
Compatible main product
EME 20
1 2 3
Accessories 2
AA5-X4
CONNECTION TO CONTROL MODULE
This accessory contains a communication board (AA23)
that must be connected directly to the compatible con-
trol 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.
4 5 6 7 8 9 10 11 AA23-X1
Inverter
1 2
11