Nibe EMK 300, Installer Manual, Page: 7 / 20

Electrical connection
NOTE
All electrical connections must be carried out
by an authorised electrician.
Electrical installation and wiring must be car-
ried out in accordance with the stipulations in
force.
VVM 320 must not be powered when in-
stalling EMK 300.
Accessibility, electrical connection
The plastic cap of the electrical boxes is opened using
a screwdriver.
NOTE
The cover for the input card is opened without
a tool.
Removing the cover, input circuit board
VVM320
1.
2.
1. Push the catch down.
2. Angle out the cover and remove it.
Cable lock
Use a suitable tool to release/lock cables in the indoor
module terminal blocks.
LEK
1
1
2
2
3
3
1
2
3
3
4
1
2
LEK
1
1
2
2
3
3
1
2
3
3
4
1
2
1
2
Connection EMK 300
EMK 300 is connected to the input card AA3, terminal
block X22:1, X22:2 and X22:3.
1. Secure the edge connector in measuring pipe.
2. Connect white cable (in+) to AA3-X22:1.
3. Connect brown cable (in+) to AA3-X22:2.
4. Connect green cable (GND-) to AA3-X22:3.
1
2
3
VVM 500
AA3-X22
EMK 500
vit
brun
grön
VVM 320 EMK 300
AA3-X22
white
brown
green
W ilo
VVM320
AA3-X22
7
GB