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!
34
3
1
2
2
2
2
4
1
3
3
CONNECTION TO NIBE PRODUCT
Externt tillbehör ex. Modbus, SMS
On the NIBE product, the communication cable must
be connected according to the diagram for each product,
and on terminal block AA23:1-4 on the EME 20 board.
Terminal block AA23:9-10 on the EME 20 board is con-
nected to terminal block 1-2 on the inverter.
External accessories must be connected according to
the diagram, and on terminal block 5-8 on the EME 20
board.
GND= Green
A= White GND=Grön/gul
A=Vit
B= Brown
B=Brun
12V=Gul
12V= Yellow
NIBE heat pump/indoor module/control module NIBE värmepump/inomhusmodul/styrmodul
EME 20
EME 20
1 2 3 4 5 6 7
Connection accessory,
Anslutning tillbehör ex.
e.g. Modbus, SMS
Modbus, SMS
12V
A
B
GND
8 9 10 11 AA23
AA23
Inverter
Växelriktare
1 2
EME 20 | GB