Nibe MODBUS 40 Installateurhandbuch Seite 13

Installation
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.
The heat pump/indoor module must not be
powered when installing MODBUS 40.
AA9
AA9-X1
The wiring diagram is at the end of these installation
instructions.
Connecting to the heat pump/indoor mod-
ule
Ground-source heat pumps
Terminal block X1 on the Modbus- card (AA9) in
MODBUS 40 is connected to X4:9-12 on the input card
(AA3) in the heat pump/indoor module.
Use cable type LiYY, EKKX or similar.
F1145/F1155
F1245/F1255
AA9-X2
F1345
Terminal block X1 on the Modbus-card (AA9) in MOD-
BUS 40 is connected to terminal block X6:4-7 in the heat
pump.
Use cable type LiYY, EKKX or similar.
AA3-X4
F1145/F1155
MODBUS 40
F1245/F1255
MODBUS 40
AA3-X4
X6
F1345
F1345
Externt
MODBUS 40
AA3-X4
12
7 8 9 10 11
AA9-X1
12V A B GND
AA3-X4
7 8 9 10 11 12
AA9-X1
12V A B GND
X6
4 5 6 7
12V A B GND
AA9-X1
GB
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