51C
BK
BK
BL
Y/G
T
BK
BK
WH
WH
BR
OR
WH
WH
RD
WH
BK
2
09CH
only
3
1
Sh
CFo
Cc
OR
Outdoor unit
Indoor unit
1
2
BK Black
BL Blue
BR Brown
LB Light blue
YE Yellow
RD Red
OR Orange
WH White
Y/G Yellow/Green
Color symbol
Symbol Parts name Symbol Parts name
C
C
Capacitor for CM
FM Flap motor
CF
I
Capacitor for FM
I
,Th
12
Sensor
CF
O
Capacitor for FM
O
T Terminal block
CM Compressor motor
ZNR Varistor
F Fuse
51C Motor protector for CM
FM
I
Fan motor (Indoor unit)
52C Magnetic contactor for CM
FM
O
Fan motor (Outdoor unit)
Meaning of marks
Notes (1) : denotes magnetized relay
×
: denotes demagnetized relay
(2) Th
1
is room temperature sensor. Th
2
(the heat exchanger sensor) is frost prevention sensor.
Operation
Cooling
Relay symbol Control part
52C CM
Table of relay operations
M
1〜
M
3〜
U
M
FM
Power source
220/230V 50Hz
YG
LB
BR
Printed circuit board
T
WH
BK
Th1
Th2
Wireless
R-Amp
Display
CNE
CNG
YE
WH
RD
M
CNW
IC15
ZNR
1
5
3
CNU
CF
I
52C-3 52C-4
52C
F
250V 3.15A
CONTROL BOX
1
2
Back up Sw
CNM
N
t°
t°
1〜
FMI
FMo CM
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