Midea MEHS-09PSH1 Service Manual page 32

For MCHSU-24PHH2, MCHS-36PSH2, MCHS-30PSH2,
connect to exhaust
temp. sensor
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
E D
CN19
C
CN42
[1.4]2014.06.26
FAN-L
CN3
CN37
CN43
FAN
Fuse 5A/250V
CN8
connect to
trmp. sensor
CN5
N-OUT
CN6
L-OUT
CN23 reserve
6 5 4 3 2 1
Electric Expansion
Electric Expansion Electric Expansion
Value C
Value B Value A
C B A
CN18 CN20
CN17 CN21
T2B-E T2B-C
T2B-D T2B-B T2B-A
CN13
TP
CN23
202302141206
EU-KFR105W/BP3T5N1-350S.D.13.WP1-1
external drive DC fan
motor connector
485 testPort
external drive DC fan
communication connect to detector
motor ouput terminal
FAN_IN
CN11
CN12
FAN_OUT
N
S
CN1
L-IN
N-IN EARTH
P-1
CN2
SHOW/SW
external drive DC fan
motor input terminal
CN30
current loop
S-A
communication A
CN29
current loop
S-B
Signal wire
communication B
connect to the terminal
L
current loop
24VDC Pulse wave
communication C
CN28
current loop
S-C
communication C
CN27
S-D
current loop
communication D
CN26
S-E
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