462
18.5 Wiring diagram
TR
1. is terminal block and the words
LED4
LED3
LED2
LED1
Wired remote controller and I.D unit
G
R
R
G
1PH,220-230V , 50/60Hz
Power Supply:
L
Y/G
Y/G
R
BL
7
7
4
4
M
TC2
TC1
LED
PMV
TR
TA
Symbol
RC
FM
Electronic Expansion Valve
Transformer
Liquid Pipe Temperature Sensor
Gas Pipe Temperature Sensor
Ambient Temperature Sensor
Fan Motor
Description
Running Capacitor
PCB
R
CN22
3 2
1
3 2
1
1
1
Wired Remote Controller
Y
OR
B
A
BL
C
1
4
3
2
1
4
3
2
2
1
3
3
1
2
W
CN3
5
5
W
CN1
2 2
CN20
G
3
1
2
3
1
2
B
CN19
TA
TC2
TC1
1
2
3
1
1
2
3
1
G
CN18
2
2
1 1
R
CN7
5
3
1 1
3
5
W
CN8
3
2
1
3
2
1
RC
CN24
W
A
B
C
1
2
BL
1
2
CN4
B
CN15
P
Q
GR
GR
2
2
1
1
Transmission
Wiring
LED1
LED2
LED5
LED7
1
2
3
4
5
10
9
8
7
6
CN21
W
LED3 LED4
TW2
TW1
TW1
Terminal Block (Power)
TW2
Terminal Block (Control)
Malfunction Lamp of I.D unit
R
LED5
LED7
Fusion (One-Off Protector)
Temperature Switch
Electronic Heater
Relay Unit
TS
F
EH
RL
F
EH
TS
RL
4 1
5 6
3.The Parts in the dashed are optional in
R
R
1
2
3
4
R
B
N
~
FM
Y/G
Y/G
(To O.D unit)
R:RED BR:BROWN OR:ORANGE BL:BLUE G:GREEN GR:GRAY
Y
:YELLOW W:WHITE B:BLACK Y/G:YELLOW/GREEN
on it are sequence number。
2. is printed circuit board
accordance with the reality of manufacture.
Transmission lamp between
Transmission lamp between
I
.D and O.D unit
Electronic Expansion Valve
Forced-open lamp for indoor
250
VAC/T6.3A
FUSE
2
2
CN31
1
1
RK
Room Card
SW07
SW01
SW03
1
2
1
2
W
CN44
1
2
1
2
CN42
1
2
1
2
CN43
1
2
1
2
CN41
1
2
1
2
BL
CN26
W
W
W
W
G
CN9
W
1
1
4
4
2
3
2
3
5
5
CN10
R
5
5
2
2
1
1
3
4
3
4
6
6
PMV
CN16
G
1 2
1
2
RK
1
1
2 3
2
3
CN13
W
J1～J8
AE*MLERA PCB code: 0151800113
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