Midea ODMFI-E-2110 - Page 47

47
No.
Name
CN#
Meaning
1
Power Supply
CN3
N_in: connect to N-line (208-230V AC input)
CN1
L_in: connect to L-line (208-230V AC input)
2
S-F
CN7
S: connect to indoor unit communication(pin1-pin2: 24VDC Pulse wave;
pin2-pin3: 208-230V AC input)
S-E
CN13
S-D
CN16
S-C
CN21
S-B
CN29
S-A
CN39
3
HEAT_D
CN19/CN20
connect to the heater, 208-230V AC when is ON
4
HEAT_Y
CN24/CN25
5
4-WAY
CN17/
CN18
connect to 4 way valve, 208-230V AC when is ON.
6
AC-FAN1
CN28/
CN31/
CN36
connect to AC fan1
7
AC-FAN2
CN27/
CN32/
CN34
connect to AC fan2
8
TH
CN12
connect to heat sink sensor
9
H-PRO,L-RPO
CN10
connect to high and low pressure swtich(pin1-pin2&pin3-pin4:5VDC
pulse wave)
10
OLP TEMP.
SENSOR
CN14
connect to compressor top temp. sensor (5VDC Pulse wave)
11
T3 T4
CN9
connect to pipe temp. sensor T3, ambient temp. sensor T4
12
Electronic
Expansion
valve
CN15
connect to Electric Expansion Valve A
CN23
connect to Electric Expansion Valve B
CN26
connect to Electric Expansion Valve C
CN30
connect to Electric Expansion Valve D
CN33
connect to Electric Expansion Valve E
CN36
connect to Electric Expansion Valve F
13
PAIQI
CN8
connect to exhaust temp sensor