CONNECT SERIES SERVICE MANUAL
18
ENGLISH
Troubleshooting
PCB Layout
Interface
Indoor Unit:
Model: UUY24ZGDAA, UUY36ZGDAA, UUY48ZGDAA, UUY60ZGDAA
Main Board
No.
Printing
Interface
No.
Printing
Interface
1
AC-N (X2)
Neutral wire input
8
X9 (G_SCAN)
Indoor motor check
2
AC-L (X1)
Live wire input
9
X14 (OFAN-H-OUT)
AC motor high speed
output
3
CN3
Wired control
communication interface
10
X11 (OFAN-H-IN)
AC motor high speed input
4
CN1
DC motor output
11
X8 (OFAN-L-IN)
AC motor low speed input
5
X7
Transformer Neutral wire
input
12
X6(OFAN-L-OUT)
AC motor low speed
output
6
X13
Transformer Live wire input
13
X3 (C)
Transformer Neutral wire
output
7
X10 (O_SCAN)
4-Way check
14
X4 (R)
Transformer Live wire
output
