Nibe VVM 500 - Page 33

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.
12
11
10987
12V
A B GND
Indoor module
AA3-X4
AA9-X1
Accessories
AA3-X4
33Chapter 5 | Electrical connectionsNIBE VVM 500