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Nibe MODBUS 40 Installateurhandbuch Seite 15

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VVM 500
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.
1 2
3
4
L N
1
1
0
PE
2
3 4
AA3-X4
LEK
AA3-X4
7
8
9
10
11
12
VVM 500
MODBUS 40
AA9-X1
12V A
B GND
AA3-X4
7
8
9
10
11
12
SMO40
MODBUS 40
AA9-X1
12V A
B GND
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
Tillbehör_singular = translation hint, 2 =
block.
value
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.
Tillbehör_singular = translation hint, 1&2 =
value
MODBUS 40/
Accessory 2
SMS 40
Accessory 1
SMS 40
GND
B
A
+12V
Accessory 2
SMS 40
GND
B
A
+12V
Heat pump/
Indoor module
Heat pump/Indoor module
GB
15

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