
Circuit diagrams
56
Domestic air conditioner
13.2 Outdoor unit control board circuit diagrams
P
T
C1
400
N/
P
SB
400W
S
A1
RA
-
362M
S
T
CO
M
A
B
C
D
+
5V
CO
M
GN
D
ER
RO
R
+
5V
GN
D
+
15V
+
12V
17
V~
20V
+
12V
25
0
m
A
100
0m
A
11
12
8
7
1
2
4
6
5
T
301
BC
K-
25-
2252
VD
C
+
5V
D
+
5V
+
5V
+
5V
1-
6-
RS
T
1-
6-
RS
T
1-
6-
RS
T
+
5V
1-
5-
MO
DE
1-
5-
MO
DE
1-21-
VS
P
1-22-
PG
-BA
CK
1-
21-
VS
P
1-
22-
P
G-
BA
CK
P
C
通
讯
T
XD
P
C
T
XD
+
5V
TX
D
RX
D
TX
D
RXD
T
ES
T
-
EN
T
ES
T
-
EN
+
5V
故障
灯
S
W-
1
S
W-
2
+
5V
S
W-
1
S
W-
2
+
5V
1-
18-
S
CL
1-
17-
S
DA
EE
P
RO
M
+
5V
1-18-
SCL
1-17-
SD
A
S
T
EP
A
S
T
EP
B
S
T
EP
C
S
T
EP
D
CO
M
+
12V
S
T
EP
A
S
T
EP
B
S
T
EP
C
S
T
EP
D
P
T
C
S
T
DJ
R1
COM
+
12V
+
310V
+
310V
P
C
通
讯
RX
D
P
C
RX
D
P
T
C
S
T
P
OW
ER
P
N
+
310V
DG
ND
+
310V
CO
MA
+
5V
AC
-N
CO
MA
HE
AT
1
CO
M-
T
X
D
CO
M-
RX
D
+
5V
T
XD
-
P
C
T
ES
T
/
S
S
RX
D-
P
C
+
5V
+
5V
+
5V
DR
M1
DR
M2
DR
M3
GN
D
DR
M1
DR
M2
DR
M3
0Ω
J
1
ON
J1
NO
RD
IC
OF
F
10
Hz
U
P
J2
ON
ON
ON
OF
F
10
Hz
D
N
OF
F
OF
F
OT
HE
R
AR
EA
1
D250/
63
82
4-
1
CN
1
AC
-
N
1
D250/
63
82
4-
1
CN
2
AC
-
L
P
E
1
D250/
63
82
4-
1
CN
3
CO
M
1
D250/
63824-
1
CN
4
AC
-
N
1
D250/
63824-
1
CN
7
AC
-
L
1
D
25
0/
6382
4-
1
CN
6
AC
-
L
OU
T
1
D250/
63824-
1
CN
9
AC
-
N
OU
T
1
D250/
63824-
1
CN
8
1
2
B2P
3
-
VH
(
CN
10
1
D250/
63824-
1
CN
26
1
D250/
63824-
1
CN
24
1
2
3
B3B
-
XH
-
BL
-
CN
23
1
2
3
B3B
-
XH
-
B-
CN
22
1
2
3
4
B4B
-
XH
-
A-
CN
33
1
2
3
4
5
6
6-
1
97179
8-
CN
20
1
2
3
4
5
6
6-
1971798-
3-
CN
16
1
2
3
4
5
B5B
-
XH
-
W-
CN
19
1
2
3
4
5
B5
B-
XH
-
W-
CN
29
MM
S
D4148T
1G
D5
MM
S
D4148T
1G
D6
MM
S
D4148T
1G
D8
MM
S
D4148T
1G
D9
MM
S
D414
8T
1G
D13
MM
S
D4148T
1G
D14
MM
S
D4148T
1G
D15
US
1M
(
1A
-
1000V
-
75ns
)
D301
US
1M
(
1A
-
1000V
-
75ns
)
D302
1
2
B2
P
3
-V
H(
CN
48
S
ML
-
210M
T
LE
D1
S
ML
-
210M
T
LE
D2
S
ML
-
210M
T
LE
D3
TV
S1
P
T
VS
5V
0S
1U
R-
5V
-
400W
-
单
向
2S
C2412K
N1
2S
D1
781K
T14
6R
N2
2S
C2412K
N5
2S
A1037A
K
P
2
2S
A1037A
K
P
1
2S
C2412K
N3
2S
C24
12
K
N6
2S
C2412K
N7
1
2
4
3
8m
H-
20A
L1
RV
4
T
VR
14621K
B251Y
R27
220
K-
2W
R23
220K
-
2W
1M
-
1/
4W
R1
1M-1/
4W
R2
R12
100
Ω
-
1W
4.
3K
±
1%
R3
09
15
K±
1%
R3
10
5.
1K
±
1%
R3
11
20K
±
1%
R308
560
-0805
R306
20K
±
1%
R76
20K
±
1%
R78
47K
±
1%
R82
560-
0805
R14
560-
0805
R26
560-
0805
R24
560-
0805
R18
15-
0805
R304
2
Ω
-
1206
R302
2
Ω
-
1206
R303
33K
-
0805
R312
10
0
-
080
5
R30
10
0
-
080
5
R31
2K
-
0805
R75
2K
R59
2K
R61
10K
R60
10K
R62
10K
R48
10K
R49
10K
R51
10K
R68
10K
R80
10K
R81
10K
R65
10K
R95
10K
R88
10K
R39
1K
R97
1K
R9
1K
R10
1K
R11
1K
R22
1K
R28
10K
R19
10K
R17
10K
R13
10K
R74
F
US
E1
T
25A
25
0V
AC
1K
-
0805
R55
1K-
0805
R50
1K
-
0805
R98
33
0
-
080
5
R43
R4
2K
-
2W
820U
F-450
V-
105
℃
E1
820U
F-45
0V
- 105
℃
E2
470uF
-
35V
-
105
℃
-
E305
1000uF
-
25V
-
105
℃
-
E303
0.
1uF
C3
11
0.
1uF
C312
0.
1uF
C306
0.
1uF
C309
0.
1uF
C308
0.
1uF
C304
0.
1uF
C307
0.
1uF
C19
0.
1uF
C23
0.
1uF
C25
0.
1uF
C26
0.
1uF
C12
0.
1uF
C1
3
0.1uF
C33
0.1uF
C34
0.1uF
C35
0.
1uF
C1
0
0.
1uF
C11
0.
1uF
C7
1uF
C8
1nF
C9
1nF
C20
1nF
C14
1nF
C5
1nF
C6
0.
01uF
-
630V
C3
472/250V
/275V
CY1
0.
1uF
C1
2.
2uF
/
275V
CX
1
2.2uF
/275V
CX
2
103/
275V
CX
4
470pF
-
100V
-
0805
C305
BV
1
F
BB
2
CS
3
NC
4
Dr
ai
n
5
GN
D
8
VC
C
7
I
CE
3A
R2280V
J
Z-
DI
P
-
7
I
C301
A0
1
A1
2
A2
3
GN
D
4
S
DA
5
S
CL
6
WP
7
VC
C
8
I
C6
M24C
16
I
NP
UT
1
GND
2
OU
T
P
UT
3
I
C305
L7805C
V
I
NP
UT
1
GND
2
OU
T
P
UT
3
I
C306
L7805C
V
I
NP
UT
1
GND
2
O
UT
PU
T
3
I
C303
L7815
P01/
TO
00
61
P27/
ANI
7
49
P26/
ANI
6
50
P25/
ANI
5
51
P24/
ANI
4
52
P23/
ANI
3
53
P22/
ANI
2
54
P21/
ANI
1/AV
RE
FM
55
P20/
ANI
0/AV
RE
FP
56
P130
57
P04/
SCK
10/S
CL
10
58
P03/
ANI
16/S
I10/
RXD
1/S
DA10
59
P02/
ANI
17/S
O10/
TX
D1
60
P00/
TI
00
62
P141/
PCL
BUZ
1/I
NT
P7
63
P140/
PCL
BUZ
0/I
NT
P6
64
P
120/
AN
I
19
1
P
43
2
P
42/
T
I
04/
T
O04
3
P
41/
T
I
07/
T
O07
4
P
04/
T
OO
L0
5
RE
S
ET
6
P
124/
XT
2/
EX
CL
KS
7
P
123/
XT
1
8
P
137/
I
NT
P
0
9
P
122/
X2/
EX
CL
K
10
P
121/
X1
11
RE
GC
12
VS
S
13
EV
S
S
0
14
VD
D
15
EV
DD
0
16
P
147/
AN
I
18
48
P73/
KR3/
SO
01
26
P72/
KR2/
SO
21
27
P71K
R1/
SI
21/S
DA21
28
P70/
KR0/
SCK
21/S
CL
21
29
P06/
TI
06/T
O06
30
P05/
TI
05/T
O05
31
P30/
IN
TP
3/RT
C1H
Z/
SCK
11/S
CL
11
32
P
50/
I
NT
P
1/
S
I
11/
S
DA
11
33
P
51/
I
NT
P
2/
S
O11
34
P
52/
(
I
NT
P
10)
35
P
53/
(
I
NT
P
11)
36
P
54
37
P
55/
(
P
CL
BU
Z1)
/
(
S
CK
00)
38
P
17/
T
I
02/
T
O02/
(
S
O00)
/
(
T
XD
0)
39
P
16/
T
I
01/
T
O01/
I
NT
P
5/
(
S
I
00)
/
(
RX
D0)
40
P
14/
RX
D2/
S
I
20/
S
DA
20/
(
S
CL
A0)
/
(
T
I
03)
/
(
T
O03)
42
P
12/
S
O00/
T
XD
0/
T
OO
LT
XD
/
(
I
NT
P
5)
/
(
T
I
05)
/
(
T
O05)
44
P
10/
S
CK
00/
S
CL
00/
(
T
I
07)
/
(
T
O07)
46
P60/
SCL
A0
17
P61/
SD
AA0
18
P62
19
P63
20
P75/
KR5/
IN
TP
9/S
CK01/
SCL
01
24
P74/
KR4/
IN
TP
8/S
I01/
SD
A01
25
P76/
KR6/
IN
TP
10/(
RXD
2)
23
P
146
47
P31/
TI
03/T
O03/
IN
TP
4/(
PCL
BUZ
0)
21
P77/
KR7/
IN
TP
11/(
TX
D2)
22
P
11/
S
I
00/
RX
D0/
T
OO
LR
XD
/
S
DA
00/
(
T
I
06)
/
(
T
O06)
45
P
15/
S
CK
20/
S
CL
20/
(
T
I
02)
/
(
T
O02)
41
P
13/
T
XD
2/
S
O20/
(
S
DA
A0)
/
(
T
I
04)
/
(
T
O04)
43
R5F
100L
EA
F
A
I
C5
3
5
4
1
2
HF
33F
/
012-
ZS
(
310)
(
335)
K1
3
4
1
2
12V
-
25A
-
891P
-
1A
-
S
K5
0.
01uF
-
630V
C310
10K
R29
10K
R53
10K
R54
10K
R56
1nF
C3
02
4.
7nF
C303
RV
2
TV
R14621K
B251Y
RV
3
TV
R14621K
B251Y
RV
1
TV
R14621K
B251Y
472/250V
/275V
CY2
472/250V
/275V
CY3
472/250V
/275V
CY4
472/
250V
/
275V
CY
8
472/
250V
/
275V
CY
9
2.2nF
/250V
/275V
CY
5
2.2nF
/250V
/275V
CY
10
AC
-
N
1
2
4
3
8m
H-
20A
L2
F
US
E2
T
3.
15A
/
250V
AC
4
3
1
2
K3
HF
32F
-
012-
HS
(
310)
(
335
)
4
3
1
2
K2
HF
32F
-
012-
HS
(
310)
(
335
)
ER
2D
/
M
UR
S2
20T
3G
D304
3
1
2
RE
F
K
A
I
C304
AZ
431S
AN
T
RG
1-
S
OT
23
51-
1206
R305
51-
1206
R313
+
5V
+
15V
+
15V
+
5V
1
2
3
4
6
CN
21
B5P
6-
VH
-
2.
7K
-
0805
R37
390-
0805
R38
10K
-
0805
R34
10K
-
0805
R3
5
10K
-
0805
R33
10K
-
0805
R36
0.
1uF
-
0805
C15
NC
4
NC
5
NC
6
4.
7nF
/
630V
C301
R301
47K
-
3W
S
B5100(
5A
-
100V
)
D303
1
2
3
4
B4B
-
XH
-
A-
CN
28
1
2
3
4
5
6
7
8
1
K
1
K
1
K
1
K
RA
1
1K
1
2
3
4
5
6
7
8
10
K
10
K
10
K
10
K
RA
3
10K
1
2
3
4
5
6
7
8
10
K
10
K
10
K
10
K
RA
7
10K
1
2
3
4
5
6
7
8
10
K
10
K
10
K
10
K
RA
8
10K
1
2
3
4
5
6
7
8
1
0
K
1
0
K
1
0
K
1
0
K
RA
6
10K
1
2
3
4
5
6
7
8
1
0
K
1
0
K
1
0
K
1
0
K
RA
5
10K
10K
-
0805
R64
1K
-
1206
R41
DRM
1
DRM
2
DRM
3
10K
R66
1K
-
1206
R79
4.
7K
R5
4.
7K
R3
4.
7K
R8
4.
7K
R7
4.
7K
R21
4.
7K
R25
4.
7K
R47
4.
7K
R40
10K
R45
10K
R44
1K
-
0805
R77
1K
R83
DJ
R1
CO
M-
T
XD
CO
M-
RX
D
0Ω
J
2
1K
-
1206
R1
5
1K
-
1206
R1
6
10K
-
0805
R96
P
C817A
-
I
C10
P
C817A
-
I
C8
P
C817A
-
I
C9
T
LP
628/
P
C851-
I
C3
P
C817A
-
I
C302
0.
1uF
C21
1.
2K
-
0805
R307
RV
5
T
VR
14621K
B251Y
RV
6
TV
R14621K
B251Y
R20
4.
7K
-
0805
+
5V
+
12V
E8
10
0uF
-16V
-1
05
℃
E308
100uF
-16V
-105
℃
E307
100uF
-16V
-105
℃
E302
22uF
-
35V
-
105
℃
-
E9
47
U
F
-50
V
-1
05
℃
E306
220uF
-
25V
-
105
℃
-
C18
10nF
-
0805
R6
1K
-
0805
S
1M
/
MR
A4007
(
1A
-
1000V
)
D17
S
1M
/
MR
A4007
(
1A
-
1000V
)
D10
ZD
1
S
M4746A
ZD
2
S
M4746A
R32
270K
-
0805
C4
1nF
-
1206
+
5V
N8
2S
C2412K
R46
10K
R63
10K
R42
10K
+
5V
1
2
3
4
5
6
7
8
10K
10K
10K
10K
RA
2
10K
I
1
1
I
2
2
I
3
3
I
4
4
I
5
5
I
6
6
I
7
7
GN
D
8
CO
M
9
O7
10
O6
11
O5
12
O4
13
O3
14
O2
15
O1
16
UL
N2003
I
C7
Summary of Contents for AS25THMHRA-C
Page 2: ......
Page 41: ...Piping diagrams Domestic air conditioner 5 Piping diagrams 10...
Page 56: ...Dimensional drawings 24 Domestic air conditioner 8 Dimensional drawings 9 Center of gravity...
Page 73: ...Circuit diagrams 43 Domestic air conditioner 11 Circuit Diagrams...
Page 74: ...Circuit diagrams 44 Domestic air conditioner...
Page 79: ...three 6 Removal Procedure 4 Domestic Air Conditioner Remove the casing 1 2 3...
Page 83: ...Removal Procedure 8 Domestic Air Conditioner motor cover motor cover...
Page 84: ...Removal Procedure 9 Domestic Air Conditioner...
Page 96: ...Pinping diagrams Domestic air conditioner 4 Piping diagrams 9...
Page 97: ...Operation range 10 Domestic air conditioner 5 Operation range 10 0 21 27 35 20 40 60 43 20 40...
Page 99: ...Functions and control 13 Domestic air conditioner Wiring diagrams OUTDOOR UNIT...
Page 122: ...Service diagnosis 37 Domestic air conditioner...
Page 141: ...57 Do C omestic air ircuit Diagra conditioner ams r...
Page 142: ......
Page 144: ...Removal Procedure 1 Removal of Outdoor panel RPHVWLF LU RQGLWLR...
Page 145: ...Removal Procedure 2 Domestic Air Condition...
Page 146: ...4 Removal Procedure 3 Domestic Air Condition...
Page 147: ...Removal Procedure 2 Removal of Electrical Box RPHVWLF LU RQGLWLR...
Page 148: ...Removal Procedure 3 Removal of Fan and Fan Motor RPHVWLF LU RQGLWLR...
Page 149: ...Removal Procedure 4 Removal of fan motor brcked and partition RPHVWLF LU RQGLWLR...
Page 150: ...Removal Procedure 7 Domestic Air Condition...
Page 151: ...Removal Procedure 5 Removal of compressor and heat exchanger RPHVWLF LU RQGLWLR...
Page 152: ...Removal Procedure 9 Domestic Air Condition...
Page 165: ...Piping diagrams Domestic air conditioner 5 Piping diagrams 10...
Page 180: ...Dimensional drawings 24 Domestic air conditioner 8 Dimensional drawings 9 Center of gravity...
Page 197: ...Circuit diagrams 43 Domestic air conditioner 11 Circuit Diagrams...
Page 198: ...Circuit diagrams 44 Domestic air conditioner...
Page 203: ...three 6 Removal Procedure 4 Domestic Air Conditioner Remove the casing 1 2 3...
Page 206: ...2 7 Domestic Air Conditioner Removal Procedure Lift up the exchanger and remove it 1...
Page 207: ...Removal Procedure 8 Domestic Air Conditioner motor cover motor cover...
Page 208: ...Removal Procedure 9 Domestic Air Conditioner...
Page 220: ...Piping diagrams Domestic air conditioner 4 Piping diagrams 9...
Page 221: ...Operation range 10 Domestic air conditioner 5 Operation range 10 0 21 27 35 20 40 60 43 20 40...
Page 223: ...Functions and control 13 Domestic air conditioner Wiring diagrams OUTDOOR UNIT...
Page 246: ...Service diagnosis 37 Domestic air conditioner...
Page 265: ...57 Do C omestic air ircuit Diagra conditioner ams r...
Page 266: ......
Page 268: ...Removal Procedure 1 Removal of Outdoor panel RPHVWLF LU RQGLWLR...
Page 269: ...Removal Procedure 2 Domestic Air Condition...
Page 270: ...4 Removal Procedure 3 Domestic Air Condition...
Page 271: ...Removal Procedure 2 Removal of Electrical Box RPHVWLF LU RQGLWLR...
Page 272: ...Removal Procedure 3 Removal of Fan and Fan Motor RPHVWLF LU RQGLWLR...
Page 273: ...Removal Procedure 4 Removal of fan motor brcked and partition RPHVWLF LU RQGLWLR...
Page 274: ...Removal Procedure 7 Domestic Air Condition...
Page 275: ...Removal Procedure 5 Removal of compressor and heat exchanger RPHVWLF LU RQGLWLR...
Page 276: ...Removal Procedure 9 Domestic Air Condition...
Page 289: ...Piping diagrams Domestic air conditioner 5 Piping diagrams 10 CAPILLARY CAPILLARY...
Page 291: ...Printed circuit board connector wiring diagram 12 Domestic air conditioner PCB 1...
Page 318: ...Service diagnosis 40 Domestic air conditioner...
Page 321: ...11 Circ cuit Diag grams 43 Do C omestic air ircuit Diagra conditioner ams r...
Page 322: ...44 Do C omestic air ircuit Diagra conditioner ams r...
Page 323: ......
Page 351: ...Piping diagrams 9 Domestic air conditioner 4 Piping diagrams...
Page 352: ...Operation range 10 Domestic air conditioner 5 Operation range 10 0 21 27 35 20 40 60 43 20 40...
Page 355: ...Wiring diagrams Wiring diagrams 13 Domestic air conditioner...
Page 397: ......
Page 398: ......
Page 420: ...Piping diagrams Domestic air conditioner 5 Piping diagrams 10 EEV EEV...
Page 422: ...Printed circuit board connector wiring diagram 12 Domestic air conditioner PCB 1...
Page 449: ...Service diagnosis 40 Domestic air conditioner...
Page 452: ...11 Circ cuit Diag grams 43 Do C omestic air ircuit Diagra conditioner ams r...
Page 453: ...44 Do C omestic air ircuit Diagra conditioner ams r...
Page 481: ...Pinping diagrams Domestic air conditioner 4 Piping diagrams 9 EEV EEV...
Page 482: ...Operation range 10 Domestic air conditioner 5 Operation range 10 0 21 27 35 20 40 60 43 20 40...
Page 500: ...Dimensional drawing 28 Domestic air conditioner 8 Dimensional drawings 9 Center of gravity...
Page 507: ...Service diagnosis 36 Domestic air conditioner...
Page 529: ......