
Owner’s & Installation manual
6
Cod. 3QE46680 - Rev. 00 - 01/2021
EN
5.2 Connecting diagram of network-based air conditioning system
(There are two types of indoor units, namely indoor unit with external network interface module on the main control board or built-in
network interface module in the main control board.)
Fig.5-8
The shielded wire must
be reliable grounded
Matching resistance of
communication end is 120Ω
Matching resistance of
communication end is 120Ω
Centralized controller
POWER AC220V
One centralized controller can be
connected to 64 indoor units as a maximum
Indoor unit (MAX)
Indoor unit (0)
Junction Box
Junction Box
Junction Box
Junction Box
Indoor unit (32)
Indoor unit (10)
Junction Box
Indoor unit (1)