Nibe MODBUS 40 - VVM 500 module connection; Control module SMO 40 connection; Several accessories with MODBUS 40

VVM 500
12V A B
GND
12
1110987
VVM 500
AA3-X4
AA9-X1
MODBUS 40
APH
VVM 500
AA3-X4
Control module SMO 40
MODBUS 40 is connected to the input board (AA3) on
SMO 40.
Use cable type LiYY, EKKX or similar.
12V A B
GND
12
1110987
SMO40
AA3-X4
AA9-X1
MODBUS 40
L N 1 1 0 2 3 4PE
1 2 3 4
LEK
AA3-X4
Several accessories with MODBUS 40
If other accessories are to be connected together with
MODBUS 40,, MODBUS 40 must be the first unit con-
nected to the heat pump/indoor module terminal
block.
Connection to and from SMS 40/MODBUS 40 occurs
in terminal block AA9:X1.
No more than two units can be connected to the heat
pump/indoor module.
Heat pump/
Indoor module
MODBUS 40/
SMS 40
Accessory 2
Tillbehör_singular = translation hint, 2 =
value
SMS 40
SMS 40
B
A
+12V
GND
B
A
+12V
GND
Accessory 2
Accessory 1
Heat pump/Indoor module
Tillbehör_singular = translation hint, 1&2 =
value
15
GB