17
4-Way Cassette
Type Indoor Unit
2.5 Wiring diagram
Room Card
Liquid Pipe Temperature Sensor
Description
TR
TA
Symbol
RC
FM
TC2
TC1
PMV
TW1
TW2
FS
SM
PM
Electronic Expansion Valve
Transformer
Gas Pipe Temperature Sensor
Ambient Temperature Sensor
Fan Motor
Running Capacitor
Terminal block (Power)
Terminal block (Control)
Float Switch
Pump Motor
Swing Motor
Transmission
Wiring
Wired Remote Controller
(To O.D unit)
1. is terminal block, the words on it
2. is printed circuit board
are the sequence number
R:RED BR:BROWN OR:ORANGE BL:BLUE G:GREEN GR:GRAY
Y:YELLOW W:WHITE B:BLACK Y/G:YELLOW/GREEN
2
1
2
1
1
2
1
2
2 2
3
1
2
3
1
2
B
CN19
TA
1 1
G
CN18
OR
A
A
B
P
Q
G
R
2
1
TW2
GR
CN20
G
CN15
2
1
TC2
TC1
3 3
1
1
Y
TW1
R
CN10
3 1
W
2
1
2 3
C
N13
2
CN3
1
4
3
2
1
4
3
2
2
TR
1
R
3 2
B
BL
C
B
C
CN22
3 2
1
CN24
R
Y/G
RC
FM
6
6
3
4 5
3
4
5
2
2
1
1
5
5
1
1
2
3
2
3
4
4
W
CN9
4
3
2
1
7
6
5
SM
5
5
1
1
2
3
2 3
4
4
W
CN11
6
6
PMV
CN8
W
W
FS
LED4 LED3
PCB
LED7
10
LED1
LED2
LED5
1
2
3
4
5
8
7
6
CN21
白
9
1
2
1
2
CN4
PM
BL
~
2
2
1 1
CN7
R
Y/G
Y/G
BL
L
N
R
5
5
CN1
Y/G
1
3
3
1
BL
LE
D
L
E
D
1
L
E
D
4
L
E
D
3
L
E
D
5
L
E
D
7
L
E
D
2
R
G
R
R
G
Transmission lamp between
Wired remote controller and
I.D Unit
I.D and O.D unit
Transmission lamp between
Malfunction Lamp of I.D unit
Forced-open lamp for indoor
Electronic Expansion Valve
G
W
RK
2
1
2
1
G
CN16
R
K
1PH,220-230V , 50/60Hz
Power Supply:
2
2
CN31
1
1
1
2
1
2
BL
CN26
W
SW07
SW01
SW03
1
2
1
2
W
CN44
1
2
1
2
C
N42
1
2
1
2
C
N43
1
2
1
2
C
N41
W
W
W
J1～J8
F
U
S
E
2
5
0
V
A
C
/T
6.3A
AB05/07/09/12/162MCERA AB182MCERA(C) PCB code: 0151800113
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