Multi-VRF Centralized Controller Operation Manual
3
1.2 Wiring Instructions
(1) Wiring Ports
Port print
G1, G2
F1, F2
A2, B2
A3, B3
L, N
Meaning
CAN comm.
port
【
reserved port
】
【
reserved port
】
【
reserved port
】
Power
port
(2) Power Supply
The centralized controller shall use independent power supply.
The range of input voltage: 100
～
240 VAC; Frequency range: 50/60Hz
Select power cord according to the following table. Never use the power cord that
is not in compliance with instructions of this manual.
Cord type
Cord standard
Cord size (mm
2
)
Single-cord soft
conductiveunsheathed cord
(60227 IEC 08)
IEC 60227-3:2007
1.5
(3) Connection Method
There are three methods to connect centralized controller with the air conditioning
system.
Method 1: Connect with indoor network
Fig.1.4 Centralized Controller Connected with Indoor Network
