Nibe EME 20 Installer Manual page 11

F1245/F1255 F370/470/730/750
VVM 225/310/320/325/500 SMO 40
Terminal block AA23:1-4 on the EME 20 board is con-
nected to terminal block X4:9-12 on the input board
(AA3) in the heat pump/indoor module/control module.
AA3-X4
AA3:X4 F1245/F1255
F370/470/730/750
7 8 9 10 11 12
VVM 225/310/320/325/500
SMO 40
1 2 3 4
Inverter
F1145/F1155
AA3-X4
AA3:X4
12
11
10
9
1 2 3 4
Inverter
EME 20 | GB
AA3-X4
LEK
EME 20
5 6 7 8 9 10 11
AA23
1 2
F1145/F1155
EME 20
5 6 7 8 9 10 11
AA23
1 2
Electrical connection versions F1345
F1345 has different electrical connection versions de-
pending on when the heat pump was manufactured. To
check which electrical connection applies to your F1345,
check the designation "2.0" visible above the right hand
side of the terminal block as illustrated.
F1345 without 2.0
AA3-X6
AA3:X6
4 5 6 7
F1345 without2.0
EME 20
1 2 3 4 5 6 7 8
AA23
Inverter
9 10
11
1 2
11