141
MINI 4-way cassette
type indoor unit
5.5 Wiring diagram
PCB
SW
03
SW
01
N
L
Y/R
BL(B)
BR(R)
T5A/250VAC
AC220V
LE
D
5
PUMP
CN4
G
B
M
C
N
22-1
C
N
22
C
N
16
C
N
21
C
N
31
C
N
31-1
C
N
46-1
C
N
46
C
N
34
C
N
24
C
N
13
C
N
14
C
N
23
C
N
27
C
N
36
C
N
26
C
N
41
PMV
Float switch
C
N
33
RK
WIFI
4
DC FAN
C
N
35
C
N
1
Tc1
Tc2
TA
2
2
RELAY
10
Display Board
Q
P
A
C
B
Wired Controller
3
Wired Controller
WH
Y
G
C
N
38
C
N
17
C
N
20
C
N
11-1
C
N
11
C
N
7
R
R
C
N
9
C
N
10
C
N
19
C
N
18
WH
WH
WH
R
WH
R
WH
WH
C
N
15
B
C
N
43
C
N
28
SST
TTL-PC
PM2.5
HUM
R
L-RXD
Y
WH
B
WH
R
485-PC
G
5
WH
C
N
8
WH
WH
BL
WH
LE
D
1
LE
D
2
LE
D
3
LE
D
4
LE
D
6
WH
Wire Controller With Indoor Unit
Error Indicate
Indoor Unit &Outdoor Unit
LE
D
1
、
2
LE
D
3
、
4
LE
D
5
LED Definition
Colours: B:Black BL:Blue BR:Brown G:Green R:Red WH:White Y:Y
ellow
Symbol: Comm.add:communication address CC.add:Central Control address
Communication
With Outdoor
3
L-TXD
10
Swing4/1
Swing2/3
WH
B
AB052-182MCERA(M) PCB c
ode
：
0151800244BA
