Connecting Accessories - Nibe VVM 500 Installer Manual

Connecting accessories

Instructions for connecting accessories are provided in the
manual accompanying the accessory. See page 59 for the
list of the accessories that can be used with VVM 500.
Connection for communication with the most common ac-
cessories is shown here.
ACCESSORIES WITH ACCESSORY BOARD AA5
Accessories with accessory board AA5 connect to the indoor
module terminal block X4:13-15 on the input board AA3.
If several accessories are to be connected or are already
installed, the following instructions must be followed.
The first accessory board must be connected directly to the
indoor module's terminal block AA3-X4. The following boards
must be connected to the previous board in series.
Use cable type LiYY, EKKX or similar.
Refer to the accessory manual for further instructions.
Indoor module
AA3-X4
A
15
B
14
GND
13
Accessory card 1
AA5-X4
A
1
B
2
GND
3
AA5-X4
A
4
B
5
GND
6
7
8
Accessory card 2
AA5-X4
A
1
B
2
GND
3
AA5-X4
A
4
B
5
GND
6
7
8
30 Chapter 5 | Electrical connections
AA3-X4
-X9
9
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
8
-X8
-X2
7
6
5
-X4 4
1 3
2 2
3 1
4
-X10
5
6
-X1
7 N
8
L
PE
PE
-X9
9
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
8
-X8
-X2
7
6
5
-X4 4
1 3
2 2
3 1
4
-X10
5
6
-X1
7
N
8 L
PE
PE
ACCESSORIES WITH ACCESSORY BOARD AA9
Connect accessory board AA9 in Modbus 40/ SMS 40/ RMU
40 to the indoor module's terminal block X4:9-12 on the input
board AA3. Use cable type LiYY, EKKX or equivalent.
Refer to the accessory manual for further instructions.
AA3-X4
AA3-X4
7 8 9 10 11 12
Indoor module
Accessories
AA9-X1
12V A
B GND
NIBE VVM 500