Wiring Diagram - Midea Elite Series Technical & Service Manual

6. Schematic diagram and wiring diagram
6.1 Schematic diagram
1 2
D1 IN4007*4 IC1 7812
1
Vin Vout
CN1 D2
A
E1 C1
4
D3
3
B 104
2
D4
1
TRANS
2200uF/25V
D
IC10 7812
D16 IN4007*4 1
Vin Vout
C D17
E10 C23
D D18 104
D19
2200uF/25V
+5V
R4 12K
+5V
1
C5
3
RST
104
2
C25
IC5 KIA7042
104
+5V
+12V
JR8
10K
R5
HEAT
1K
BUZ1 JR9
BUZ '
BUZZER1 10K
+5V
C
R38
10K
SW_TEST
R39
C22
JR1
5.1K 104
10K
SW1
SEG1
SEG2
SEG3
SEG4
CN2 +5V
R59 R60
2
10K 10K
D5
1
IN4148
+5V
T1_room
B R10 2K
T1_room
AUTO_SELECT
D6 E4 C6
R8
8.1K/1% IN4148 10uF/16V 104
CN3 +5V
2
D7
1
IN4148
T2_I.pipe
R11 2K
T2_I.pipe
D8 E5 C7
R9 +5V
8.1K/1% IN4148 10uF/16V 104
+5V
D9
1N4148
A
R12 2K R14
Current
1.4K/1% CT1
D10
C8 R13 1N4148 0057h
104 E6 16K R6
10uF/16V 1K/1%
1 2
3
+12V-a IC3 7805 +5V
3 1 3
Vin Vout
E2 C3 E3 C4
104 104
1000uF/16V 470uF/16V
+12V-b
3
E11 C24
104
1000uF/16V
GNDB
C26 IC4
104 1 42 X1
VSS0 X1
2 41 X2
VDD0 X2
FAN_IN 3 40 RST
FAN_IN P25 RESET
BUZ 4 39
BUZ P26 XT1
STEP_I1 5 38
STEP_I1 P00 XT2
STEP_I2 6 37
STEP_I2 P01 Vpp/IC
STEP_I3 7 36 SCL
STEP_I3 P02 P24
STEP_I4 8 35 SDA
STEP_I4 P03 P23
COMP 9 34 COM1
COMP P04 P22
10 33 COM2
VSS1 P21
HEAT 11 32
P05 VDD1
SEG1 12 31 COM3
P50 P20
SEG2 13 30 FAN_OUT
P51 P33
SEG3 14 29 FANSP
P52 P32
SEG4 15 28 ZERO
P53 P31
16 27 REC
+5V AVDD P30
17 26 VALVE
AVREF P11
T1 18 25 FRESH
T1_room AN10 P10
T2 19 24
T2_I.pipe AN11 AVSS
CURRENT 20 23
Current AN12 AN15
AUTO_SELECT 21 22 SW
AN13 AN14
UPD789166
IC7
1 16
STEP_I1 IN1 OUT1
2 15
STEP_I2 IN2 OUT2
3 14
STEP_I3 IN3 OUT3
4 13
STEP_I4 IN4 OUT4
5 12
FAN_IN IN5 OUT5 FAN_IN '
6 11
BUZ IN6 OUT6 BUZ '
7 10
COMP IN7 OUT7 COMP '
JR6
8 9
10K VSS VDD
R23 2K C19 UJN2003
AUTO_SELECT 104
CN6
+12V-a
JR7 C13
1
10K 104
R25 51/1W
2
3 T2
4 C14
1.2uF/450V
5
FAN_IN
2K R24
3
4 5
R18 10K
+5V ZERO
+5V
R16 12K
A
Q2
REC
9014
D11 1N4148 R15 R17
C9
D12 1N4148 12K 12K
104
B
R7 X1 DIS1
+5V C2
WT4021BG
1M
IC2
4M
R1 R2 104
8 1
RST 10K 10K VCC A0
7 2
WC A1
6 3
SCL SCL A2
5 4
SDA SDA GND
24C04
SCL
IC8
7 13
SDA GND Q7
C24
R44 330
104
14 12
COM1 Vcc Q6
R45 330
11
COM2 Q5
R46 330
9 10
+5V +5V MR Q4
R47 330
8 6
COM3 SEG3 CP Q3
R48 330
C16 5
FAN_OUT Q2
102
R49 330
2 4
FANSP_FEEDBACK SEG4 Dsb Q1
R54 330
C17 1 3
ZERO Dsa Q0
102
R55 330
74HC164
REC
+5V
VALVE
FRESH
10K
JR4
IC9
R62
JR5 10K
R61
1K
2K
10K
JR2
SW_TEST Q11
PC817
JR3 10K
+12V-a
9014
1
2 CN12
3
4
5
+12V-a
SWING
C15
333
E9
?
T1 470uF/25V
10D471K
L2
Z1
R28 R29
BT131 D15
12V 11K/2W 11K/2W
TR1
IC6 PC817
IN4007
+12V-a
R26
FAN_IN '
1K
4 5
15
6
+5V
R19 150
REC1 D13
R20 1K
IN4148
REC +12V-a
V
R215.1K
GND
C10 C11 FANSP_FEEDBACK
E7
RECEIVER_V C12
102 104 103 FAN_BACK
10uF/16V
COM1 COM2 COM3
+5V +5V +5V
R41 R42 R43
2K 2K 2K
R41 R41 R41
10K 10K 10K
Q8 Q9 Q10
9012 9012 9012
Only For Heat P ump
R27
2K
LED6
自 动
LED7
化 霜
LED8
定 时
LED9
R33
运 行 灯
HEAT
2K
SW2 CN16
+12V-b 1
2
R63
Q12
5.1K
9014
+12V-b
GNDB
R34
FAN_OUT
2K
R35
VALVE
2K
L1
CN15
1
C23
ZR1
0.1uF/275VAC
2
t
N TRANS_IN
PTC
CN14 CN11
82RM
1 1
N N
6
7 8
CN4
3
2
1
+12V-a CN9
LOAD_HEAT N
1
D21 HEAT_N
RY2
RELAY-SPST
IN4148
N
Q3
9014
+12V-a CN10
LOAD_HEAT L
1
D22 HEAT_L
IN4148 RY3
RELAY-SPST
FUSE2
Q5
9014
10A
+12V-a CN13
LOAD_FAN OUT
1
D23
2
RY4
RELAY-SPST
IN4148
L1
Q6
9014
+12V-a
LOAD_VALVE
C20
D24
333
RY5
RELAY-SPST
IN4148
R36
Q7 51/1W
9014
L1
FUSE1
3.15A/250V
+12V-a LOAD_COMP
C21
RY6 333
COMP
COMP '
R37
51/1W
L(POWER_IN PORT)
7 8
D
C
B
A