Midea CTBU-09HWFN1-M Service Manual page 43

For MOD30-24HFN1-MT0W, MOD01-23HFN1-MT0W, MOD30U-36HFN1-M
CN43-4/CN37 CONNECT TO
AC FAN MOTOR(LOW SPEED)
CN43-3/CN36
AC fan motor low speed
connector
CN43-2/CN35
AV fan motor N phase
CN43-5,CN43-1/CN41,CN42
AC fan motor capacitor
connector
CN22 L
CN3 N
connect to the 4-WAY
when 4-way is ON, output 208-230VAC
CN44 L
electric
CN10 N
heater1
CN40 L
electric
CN4 N
heater 2
connect to compressor heater
when heater is ON, output 208-230V AC
T3
pipe temp sensor
(3.3V)
(3.3V)
room temp sensor
T4
high pressure sensor connect to high and low
pressure sensor
low pressure sensor
CONNECT TO INVERTER driver
208-230V AC
connect to the terminal
Connect to the Indoor evap.pipe
out temp. sensor
T2B-A、T2B-B、T2B-C、T2B-D、T2B-E
Electric Expansion Electric Expansion
Value E Value D
connect to exhaust
temp. sensor
E
D
CN19 CN18
C64
C
CN42
IC7
E1
[1.4]2014.06.26
FAN-L
CN3
CN37
RY7
RY5
CN43
FAN
RY2
Fuse 5A/250V
5A/250V
FUSE2
CN8
E9
D13
R33
IC5
connect to
D14
E8
R35
trmp. sensor
IC22
R26 D11 R28
D12 R31
R30
E3
C98
R51
E2
Q5
R52
CN5
N-OUT
D2
CN6
L-OUT
RY4
PTC1
CN23 reserve
6 5 4 3 2 1
Electric Expansion
Electric Expansion Electric Expansion 485
Value C
Value B Value A communication
C
B A
CN20 P
CN21 Q
CN17
E
R60
C65
C72
C67
IC8
IC6 D4
D1
R38 R39
C6 IC21
R74
R113
IC10
C25
R1 IC20
RY6
IC9
IC18
R2
R132 Q9
Q8
R106
T2B-E T2B-C T2B-D T2B-B T2B-A
C45
SSR1
IC19
R119
IC16
CN13
Q7
R104
R120
E12
+ +
+ + +
C42
E19
IC17
E16 E15 E14
IC14
C70
D17
Q6
TP
R98
R73
C37
IC15
E13
Q3 IC12
RY3
R71 R70
D23
E4
R63 C93 C8
R135 R92
C92 C56 C95 R67
RY8 C30
IC13
IC4
E20 C52
C97 E21
C20
R118
C44
R109
R103
C41
R213
C36
R55
C28
R59 X1
C66
R56
C5
R43
R41
C68
C17
R40 R47
R211
R49
R210
IC30
E11
D3
C69
D22
C18
SW1
R58
C4
IC3
D5
R36
Q1
L2
DSP1
E5
R22
R21
R11
CN23
R12
R13
R14
R10
Q2
L3 SHOW/SW
R20 Q4
ZR4
C59
C10
D30
CN32
C61
C11
202302141206
EU-KFR105W/BP3T5N1-350S.D.13.WP1-1
40
external drive DC fan
motor connector
testPort
external drive DC fan
external drive DC fan
connect to detector
motor ouput terminal
motor input terminal
R54 R53 C23
FAN_IN
CN11
CN12
FAN_OUT
D10
R117
CN30
R114 S-A
D24
D9
C54 C53
CN29
R111
S-B
R108
L
N
D25
S
C48
C47
D8
CN28
R105
S-C
D26
R102
D7
C43 C40
CN27
S-D
R99
R96
D27
D6
CN26
C38 C35
S-E
R93
R90
D28
C33 C32
C55
C26
C57
IC2 C90
CN1
L-IN
N-IN EARTH
P-1
CN2
DSA1
ZR2
CONdebug
ZR3
ZR1
C2
C3
C1
L1
C16
CN38
D29
C60
current loop
communication A
current loop
Signal wire
communication B
connect to the terminal
current loop 24VDC Pulse wave
communication C
current loop
communication C
current loop
communication D
current loop
communication E
power supply
208-230V AC
connect to the terminal
connect to earth
Fuse
T30A/250V
test report
connect to detector
digital display button
digital display