Sharp AH-AP18DR,AY-AP18DR,AH-AP24DR,AY-AP24DR,AU-A24DR,AE-A18DR,AE-A24DR,AU-A18DR Service Manual
1
AH/AY-AP18DR
AH/AY-AP24DR
INDOOR UNIT
AH-AP18DR AY-AP18DR
AH-AP24DR AY-AP24DR
OUTDOOR UNIT
MODELS
SERVICE MANUAL
S5305AYAP24DR
SHARP CORPORATION
In the interests of user-safety (Required by safety regulations in some
countries) the set should be restored to its original condition and only
parts identical to those specified should be used.
SPLIT SYSTEM
ROOM AIR CONDITIONERS
AU-A18DR AE-A18DR
AU-A24DR AE-A24DR
TABLE OF CONTENTS
Page
SPECIFICATIONS .............................................................................................................................................2
EXTERNAL DIMENSIONS ............................................................................................................................... 4
WIRING DIAGRAMS.........................................................................................................................................5
ELECTRICAL PARTS .......................................................................................................................................9
MICROCOMPUTER CONTROL SYSTEM .....................................................................................................11
FUNCTIONS ...................................................................................................................................................19
TROUBLESHOOTING GUIDE OF CONTROL CIRCUIT ................................................................................ 27
REFRIGERATION CYCLE ..............................................................................................................................32
PERFORMANCE CURVES ............................................................................................................................34
REFRIGERANT PIPE INSTALLATION WORKS .............................................................................................35
DISASSEMBLING PROCEDURE ................................................................................................................... 37
REPLACEMENT PARTS LIST ........................................................................................................................46
AH/AY-AP18DR
AH/AY-AP24DR
2
SPECIFICATIONS
ITEMS INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT
AY-AP18DR AE-A18DR AY-AP24DR AE-A24DR
Cooling capacity kW 5.2 6.7
Heating capacity
kW 5.5 8.1
Moisture removal Liters/h 1.6 2.2
Electrical data
Phase – Single
Rated frequency Hz 50
Rated voltage V 220 – 240
Rated current Cool A 9.2 – 9.3 12.7 – 13.1
Heat A 8.2 – 8.4 13.3 – 13.6
Rated input Cool kW 1.99 – 2.15 2.62 – 2.76
Heat kW 1.77 – 1.93 2.75 – 2.90
Rated factor Cool % 98 – 96 94 – 88
Heat % 98 – 96 94 – 89
Compressor Type Hermetically sealed rotary type
Model 5KS225DAA 5JS315DAB
Oil charge 470cc [RB68A or Freol AlPha68M] 700cc [RB68A or Freol AlPha68M]
Refrigerant system Evaporator Louver fin and Grooved tube type
Condenser Corrgate fin and Grooved tube type
Control Capillary tube
Refrigerant volume (R-410A)
1060g 1550g
De-lce system Micro computer controled reverse sysetm
Noise level High dB(A) 41 52 45 54
(at cooling) Med. dB(A) 36 – 39 –
Low dB(A) 34 – 37 –
Fan system
Drive Direct drive
Air flow quantity High m3/min. 15.7 48 18.3 46
(at cooling) Med. m3/min. 13.9 – 14.7 –
Low m3/min. 11.7 – 13.5 –
Fan Cross flow fan Propeller fan Cross flow fan Propeller fan
Connections
Refrigerant coupling Flare type
Refrigerant tube size Gas, Liquid 1/2", 1/4"
Drain piping mm O.D ø 20
Others
Safety device Compressor: Internal protector Compressor: Internal protector
Fan motors: Thermal protector(Internal)
Fuse, Micro computer control
Air filters Polypropylene net (Washable)
Net dimensions Width mm 1040 (1155) 890 (1020) 1040 (1155) 890 (1020)
(Cartont dimensions)
Height mm 325 (300) 645 (735) 325 (300) 645 (735)
Depth mm 220 (385) 327 (398) 220 (385) 327 (398)
Net weight (Gross weight) kg 16 (21) 54 (58) 16 (21) 61 (65)
Note: The condition of star (
) marked item are ‘ISO5151:1994(E), condition T1’.
3
AH/AY-AP18DR
AH/AY-AP24DR
ITEMS INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT
AH-AP18DR AU-A18DR AH-AP24DR AU-A24DR
Cooling capacity kW 5.2 6.7
Moisture removal Liters/h 1.6 2.2
Electrical data
Phase – Single
Rated frequency Hz 50
Rated voltage V 220 – 240
Rated current A 9.2 – 9.3 12.7 – 13.1
Rated input kW 1.99 – 2.15 2.62 – 2.76
Rated factor % 98 – 96 94 – 88
Compressor Type Hermetically sealed rotary type
Model 5KS225DAA 5JS315DAB
Oil charge 470cc [RB68A or Freol AlPha 68M] 700cc [RB68A or Freol AlPha 68M]
Refrigerant system Evaporator Louver fin and Grooved tube type
Condenser Louver fin and Grooved tube typ
Control Capillary tube
Refrigerant volume (R-410A)
910g 1380g
De-lce system Micro computer controled reverse sysetm
Noise level High dB(A) 41 52 45 54
(at cooling) Med. dB(A) 36 – 39 –
Low dB(A) 34 – 37 –
Fan system
Drive Direct drive
Air flow quantity High m3/min. 15.7 48 18.3 46
(at cooling) Med. m3/min. 13.9 – 14.7 –
Low m3/min. 11.7 – 13.5 –
Fan Cross flow fan Propeller fan Cross flow fan Propeller fan
Connections
Refrigerant coupling Flare type
Refrigerant tube size Gas, Liquid 1/2", 1/4"
Drain piping mm O.D ø 20
Others
Safety device Compressor: Internal protector Compressor: Internal protector
Fan motors: Thermal protector(Internal)
Fuse, Micro computer control
Air filters Polypropylene net (Washable)
Net dimensions Width mm 1040 (1155) 890 (1020) 1040 (1155) 890 (1020)
(Cartont dimensions)
Height mm 325 (300) 645 (735) 325 (300) 645 (735)
Depth mm 220 (385) 327 (398) 220 (385) 327 (398)
Net weight (Gross weight) kg 16 (21) 51 (55) 16 (21) 60 (64)
Note: The condition of star (
) marked item are ‘ISO5151:1994(E), condition T1’.
AH/AY-AP18DR
AH/AY-AP24DR
4
EXTERNAL DIMENSIONS
Figure E-1. INDOOR UNIT
Figure E-2. OUTDOOR UNIT
220
950
Power supply cord
(AY-AP18DR, AH-AP18DR only)
[Length unit : mm]
325
1040
Remote controller
58
18.5
22
140
SAVE
MODE
TEMP.
FANIH
SWING
CANCELFULL POWER
INVERTER AIR CONDITIONER
TEMP.
MODE
FAN
TIMER
570
645
202
122
320
342
890 29037
30
172
25
62
46.3
10.5
ø4.5
5
AH/AY-AP18DR
AH/AY-AP24DR
WIRING DIAGRAMS
Figure W-1. Wiring Diagram for AY-AP18DR
Figure W-2. Wiring Diagram for AE-A18DR
AH/AY-AP18DR
AH/AY-AP24DR
6
Figure W-3. Wiring Diagram for AY-AP24DR
Figure W-4. Wiring Diagram for AE-A24DR
7
AH/AY-AP18DR
AH/AY-AP24DR
Figure W-5. Wiring Diagram for AH-AP18DR
Figure W-6. Wiring Diagram for AU-A18DR
AH/AY-AP18DR
AH/AY-AP24DR
8
Figure W-7. Wiring Diagram for AH-AP24DR
Figure W-8. Wiring Diagram for AU-A24DR
9
AH/AY-AP18DR
AH/AY-AP24DR
ELECTRICAL PARTS
Part Part Name Items Specifications
No. AY-AP18DR AY-AP24DR
1 Terminal Board Rating 300V 25A
2 Fan motor Rating 400V 2µF
Capacitor
3 Relay-1 Rating AC250V 20A –
(RY1) Coil Volt.; 12V
4 Relay-2 Rating AC250V 3A
(RY2, RY3, RY4) Coil Volt.; 12V
5Printed Wiring Material Paper Base Phenolic Resin (UL 94V-0)
Board
6 Transformer Rating Pri 220 - 240VAC Sec. 19.0VDC
7 Fan motor Rating 220 - 240VAC 50Hz 41W 4-Pole
Type MLA999
Thermal
Protector
Cut off 135±10˚C
(Internal)
8 Power Supply Rating 3G 1.5mm
2
–
Cord H05VV-F –
9 Louver Motor Rating DC12V
Type MP24GA
Part Part Name Items Specifications
No. AE-A18DR AE-A24DR
1 Terminal Board Rating 300V 25A
2 Fan motor Rating 450V 3µF 450V 3µF
Capacitor
3 Running Rating 400V 50µF 400V 45µF
Capacitor
4 Compessor Rating AC220 - 240V 50Hz 1500W AC220 - 240V 50Hz 2200W
Type 5KS225DAA 5JS315DAB
5 Fan motor Rating
220 - 240VAC 50Hz 71W 6-Pole 220 - 240VAC 50Hz 75W 6-Pole
Type MLB002 MLB015
Thermal protector Cut off 135˚C±5˚C
(Internal)
6 Relay 5 Rating – AC250V 30A
for Compressor Coil volt: 200 -240VAC
AH/AY-AP18DR
AH/AY-AP24DR
10
Part Part Name Items Specifications
No. AH-AP18DR AH-AP24DR
1 Terminal Board Rating 300V 25A
2 Fan motor Rating 400V 2µF
Capacitor
3 Relay-1 Rating AC250V 20A –
(RY1) Coil Volt.; 12V
4 Relay-2 Rating – AC250V 5A
(RY4) Coil Volt.; 12V
5Printed Wiring Material Paper Base Phenolic Resin (UL 94V-0)
Board
6 Transformer Rating Pri 220 - 240VAC Sec. 16.8V DC 0.29A
7 Fan motor Rating 220 - 240VAC 50Hz 41W 4-Pole
Type MLA999
Thermal
Protector
Cut off 135±10˚C
(Internal)
8 Power Supply Rating 3G 1.5mm
2
–
Cord Type H05VV-F –
9 Louver Motor Rating DC12V 250
Type MP35EA
Part Part Name Items Specifications
No. AU-A18DR AU-A24DR
1 Terminal Board Rating 300V 25A
2 Fan motor Rating 450V 3µF 450V 3µF
Capacitor
3 Running Rating 400V 50µF 400V 45µF
Capacitor
4 Compessor Rating AC220 - 240V 50Hz 1500W AC220 - 240V 50Hz 2200W
Type 5KS225DAA 2JS315DAB
5 Fan motor Rating
220 - 240VAC 50Hz 71W 6-Pole 220 - 240VAC 50Hz 75W 6-Pole
Type MLB002 MLB015
Thermal protector Cut off 135˚C±5˚C
(Internal)
6 Relay 4 Rating – AC250V 30A
Coil volt: 200 -240V
11
AH/AY-AP18DR
AH/AY-AP24DR
MICROCOMPUTER CONTROL SYSTEM
Figure L-1. Electronic Control Circuit Diagram for AY-AP18DR
15K
L2
R37
MODE
OUTDOOR
UNIT
BR
BK
BL
C
B
A
VALVE
BOARD
TERMINAL
3
2
POWER
SUPPLY
SINGLE
PHASE
N
L
TERMINAL
BOARD
N
1
RY2
3A
250VTWPE1
RY1
OUT
IN
R38
JP19
JP7
JP8
JP9
NC
NC
NC
NC
R2
R1
2W
2W
SSR2
6
8
C28
275V
0.1µ
0.1µ
275V
275V
CN101
CN102
BCN102
CN103
CN10
56
56
1/2W
1/2W
620
620
2345678
1
321
620
620
R106
R105
R104
R103
BCN101
IC101
+
10V
33µ
25V
0.1µ
C101
C102
1/2W
1/2W
R101
R102
2.7K
3K
LED103
LED104
LED105
LED106
(FAN AUTO)
(FAN H)
(FAN M)
(FAN L)
R107
9
65 243 1
(CLUSTER)
LED107
GR
BL
21
1
(OPERATION)
LED101
LED102
(TIMER)
23
10
R108
3
D12
0.1µ
1
1K(F)
53176
R37
8765432
BCN1
1
123
C26
+
+
R33 R31
1
0.1µ
25V
C16
SW1 : AUX.(TEST RUN)
C12
C27
13K
3.3K
R17
16V
0.01µ
16V
0.01µ
10K
10K
JP18
JP13
JP12
JP11
JP10
10MHz
R11
47K
R12
6.8K
0.01µ
0.01µ
0.01µ
16V
16V
16V
10K
R34
R32
R26
R25
R24
R23
R22
R21
R20
R19
R18
R16
R15
R14
R13
R10
R9
R8
R7
C25
C23
C21
C20
C19
C18
C17C15
C14
C13
C11
C9
C8C6
C5
C4
C3
C2
C1
TR1
0.01µ
16V
25V
0.1µ
678
321
IC8
5
4
3.3K
22.6K(F)
GND
D1?4
C7
+
100µ
10V
25V
IC3
0.1µ
7805
47µ
25V
+
IC2
7812
0.1µ
50V
1000µ
35V
+
D7
2.7K(F)
531
2µ
MOTOR
FAN
TH1 PIPE
TEMP.
10kΩ(25˚C)
TH2 PIPE
TEMP.
15kΩ(25˚C)
123
4
(F)
10K
(F)
10k
10µ
16V 16V
10µ
10K10K
680
+
1000p
50V
Vss
AVss
AVcc
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
51
50
49
P20
P17
P16
P15
P14
P13
P12
P11
P10
P07
P06
P05
P04
P03
P02
P01
P00
NC
P30
64636261605958575655545352
P44
P43
P42
P41
P40
P37
P36
P35
P34
P33
P32
P31
P64
P63
P62
P61
P60
AVR
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AN0
P47
P46
P45
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Vcc
20212223242526272829303132
RST
MOD0
MOD1
X0X1P27
P26
P25
P24
P23
P22
P21
F
R
O
N
T
OSC1
0.01µ
1K
JP4
JP5
16V
0.01µ
400V
(PATTERN SIDE)
IC1
50V
1µ
0.1µ
25V
13K
13K
10K
3
IC6
1
MB89537A
NC
JP1
JP2
JP3
3
2
FAN
MOTOR
IC
HOLE
321
4
5
123
LOUVER
MOTOR
35421
0.1µ
25V
D6
+
10K(F)
220µ
16V
Q1
2
3
1
1
2
3
9
8
IC5
Q3
Q4
470
1/2W
SSR1
RY1
BZ1
1.8K
R28
R29
RY2
RY3
D10
D11
10K
IC4
8
2
11
2
SW101
C24
25V
9
10
5V
12V
3
SSR2
R30
470
9
1/2W
2
R27
R4
22K
R5
1
Q2
20K
R6
22K
16V
C10
0.01µ
2
16V
C22
0.01µ
2
2
3
3
2
1
2
3
D9 D8
13
CLEANING
SWITCH 2
SWITCH 1
CLEANING
10K
R39
R40
3.3K
R35
CLUSTER
1
3
2
1
CN1
CN2
CN3
CN5
CN6
CN7
CN8
INTERNAL
THERMOSTAT
CN9
NR1
131
3
JP21
Q5
Q6
Q7Q8
1W
R43
C33
0.033µ
100
275V
RY3
0.033µ
275V
R42
C32
100
1W
0.033µ
275V
1W
C31
SSR1
L1
100
R41
6.8K
6.8K
NF1
+
C29
47µ
25V
D14
10K
1/2W
R4547
R38
L
MODE
COOLHEAT
FAN1 FAN2
R23R21R19
ERTER
CLUS
FAN
OUT LOUV
JP19JP18
15K15K6.8KNONENONE
JP6
NONE
TEST
JP13JP12JP11JP10
JP9JP8JP7
NONE NONE NONENONE NONE
2
PIPE
1
PIPE
FAN
DRY
E 2
DEIC
E 1
DEIC
13KNONE NONE NONE
JP1 JP5JP4JP3JP2
I
SYMBOL
DEF.
HOT
KEEP
SWE-
AT
WIRE
LESS
PWR
ON
BL
ORPU
CT1
BL
COMP
FAN
TO
AH/AY-AP18DR
AH/AY-AP24DR
12
Figure L-2. Electronic Control Circuit Diagram for AY-AP24DR
13K
R37
L2L1
MODE
6.8K47K
10K
25V
47µ
C29
+
D14
NF1
6.8K
6.8K
275V
0.033µ
C31
1W
R41
100
L1
RY3
0.033µ
275V
1W
100
RY2
C32
R42
275V
100
0.033µ
275V
1W
C33
R43
RY4
R44
0.01µ
C34
1W
NC
NC
NC
NC
R38
JP19
JP7
JP8
JP9
0.1µ
275V
C28
8
6
SSR2
2W
2W
R1
R2
0.1µ
275V
275V
CN101
CN10
CN102
BCN102
CN103
3
R108
10
32
(TIMER)
LED102
LED101
(OPERATION)
1
12
BL
GR
LED107
(CLUSTER)
134256
9
R107
(FAN L)
(FAN M)
(FAN H)
(FAN AUTO)
LED106
LED105
LED104
LED103
3K
2.7K
R102
R101
1/2W
1/2W
C102
C101
0.1µ
25V
33µ
10V
+
IC101
BCN101
R103
R104
R105
R106
620
620
123
1
8765432
620
620
1/2W
1/2W
56
56
D12
0.1µ
820(F)
531
7
6
Q8 Q7
Q6
Q5
JP21
3
131
NR1
CN9
THERMOSTAT
INTERNAL
CN8
CN7
CN6
CN5
CN3
CN2
CN1
1
2
3
1
CLUSTER
R35
3.3K
R40
R39
10K
CLEANING
SWITCH 1
SWITCH 2
CLEANING
31
D8D9
3
2
1
2
3
3
2
1
2
0.01µ
C22
16V
2
0.01µ
C10
16V
22K
R6
20K
Q2
1
R5
22K
R4
R27
2
1/2W
9
470
R30
SSR2
3
12V
5V
10
9
25V
C24
SW101
2
11
2
8
IC4
10K
D11
D10
RY3
RY2
R29
R28
1.8K
BZ1
RY4
SSR1
1/2W
470
Q4
Q3
IC5
8
9
3
2
1
1
3
2
Q1
16V
220µ
10K(F)
+
D6
25V
0.1µ
1
2
453
MOTOR
LOUVER
32154
123
HOLE
IC
FAN
MOTOR
2
3
JP3
JP2
JP1
NC
MB89537A
1
IC6
3
10K
13K
13K
25V
0.1µ
1µ
50V
IC1
(PATTERN SIDE)
400V
0.01µ
16V
JP5
JP4
1K
0.01µ
SSR1
OSC1
FRONT
P21
P22
P23
P24
P25
P26
P27X1X0
MOD1
MOD0
RST
32313029282726252423222120
Vcc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
P45
P46
P47
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AVR
P60
P61
P62
P63
P64
P31
P32
P33
P34
P35
P36
P37
P40
P41
P42
P43
P44
52535455565758596061626364
P30
NC
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
P20
49
50
51
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
AVcc
AVss
Vss
50V
1000p
+
680
10K 10K
10µ
16V16V
10µ
10k
(F)
10K
(F)
432
1
TH2
PIPE TEMP.
15kΩ(25˚C)
TH1
PIPE TEMP.
10kΩ(25˚C)
FAN
MOTOR
2µ
135
2.7K(F)
D7
+
35V
1000µ
50V
0.1µ
7812
IC2
+
25V
47µ
7805
0.1µ
IC3
25V
10V
100µ
+
C7
D1?4
GND
22.6K(F)
3.3K
4
5
IC8
123
876
0.1µ
25V
16V
0.01µ
TR1
C1
C2
C3
C4
C5
C6 C8
C9
C11
C13
C14
C15 C17
C18
C19
C20
C21
C23
C25
R7
R8
R9
R10
R13
R14
R15
R16
R18
R19
R20
R21
R22
R23
R24
R25
R26
R32
R34
10K
16V
16V
16V
0.01µ
0.01µ
0.01µ
6.8K
R12
47K
R11
10MHz
JP10
JP11
JP12
JP13
JP18
10K
10K
0.01µ
16V
0.01µ
16V
R17
3.3K
13K
C27
R37
C12
SW1 : AUX.(TEST RUN)
C16
25V
0.1µ
1
R31R33
+
+
C26
321
1
BCN1
2345678
L
FAN
WPE1T250V
3A
1
N
BOARD
TERMINAL
L
N
PHASE
SINGLE
SUPPLY
POWER
2
3
4
TERMINAL
BOARD
VALVE
COMP
A
B
C
D
E
BR
UNIT
OUTDOOR
TO
47 R45
1/2W
DEF.
SYMBOL
I
JP2 JP3 JP4 JP5JP1
NONENONENONE
R38
MODE
JP18
15K 15KNONENONE
JP19
LOUVOUT
FAN
CLUS
TER ER
R19 R21 R23
FAN2FAN1
HEAT COOL
JP6
NONE
E 1
DEIC
E 2
DRY
FAN
PIPE
1
PIPE
2
JP7 JP8 JP9
JP10 JP11 JP12 JP13
NONENONENONENONENONE
TEST
DEIC
ON
PWR
LESS
WIRE
AT
SWE-
KEEP
HOT
CT1
BL
BL
PU
OR
RE
BR
13
AH/AY-AP18DR
AH/AY-AP24DR
Figure L-3. Electronic Control Circuit Diagram for AH-AP18DR
MODE
13K
R37
L2
NC
NC
56
L 1
9.1K
R45
1/2W
10K
D14
25V
47
µ
C29
+
NF1
6.8K
6.8K
R41
100
L1
SSR1
C31
1W
275V
0.033
µ
Q8 Q7
Q6
Q5
JP21
3
131
NR1
CN9
THERMOSTAT
INTERNAL
CN8
CN7
CN6
CN5
CN3
CN2
CN1
1
2
3
1
CLUSTER
R35
3.3K
R40
R39
10K
CLEANING
SWITCH 1
SWITCH 2
CLEANING
31
D8D9
3
2
1
2
3
3
2
2
0.01
µ
C22
16V
2
0.01µ
C10
16V
22K
R6
20K
Q2
1
R5
22K
R4
R27
2
1/2W
9
470
R30
SSR2
3
12V
5V
10
9
25V
C24
SW101
2
11
2
8
IC4
10K
R29
R28
1.8K
BZ1
RY1
SSR1
1/2W
470
IC5
8
9
Q1
16V
220µ
10K(F)
+
D6
25V
0.1µ
1
2
453
MOTOR
LOUVER
32154
123
HOLE
IC
FAN
MOTOR
2
3
JP3
JP2
JP1
NC
MB89537A
1
IC6
3
10K
13K
13K
25V
0.1
µ
1
µ
50V
IC1
(PATTERN SIDE)
400V
0.01µ
16V
JP5
JP4
1K
0.01
µ
OSC1
FRONT
P21
P22
P23
P24
P25
P26
P27X1X0
MOD1
MOD0
RST
32313029282726252423222120
Vcc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
P45
P46
P47
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AVR
P60
P61
P62
P63
P64
P31
P32
P33
P34
P35
P36
P37
P40
P41
P42
P43
P44
52535455565758596061626364
P30
NC
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
P20
49
50
51
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
AVcc
AVss
Vss
50V
1000p
+
680
10K 10K
10
µ
16V16V
10
µ
10k
(F)
10K
(F)
432
1
TH2
PIPE TEMP
15kΩ(25˚C).
TH1
PIPE TEMP
10kΩ(25˚C).
FAN
MOTOR
2µ
135
2.7K(F)
D7
+
35V
1000µ
50V
0.1µ
7812
IC2
+
25V
47µ
7805
0.1µ
IC3
25V
10V
100µ
+
C7
D1?4
GND
22.6K(F)
3.3K
4
5
IC8
123
876
0.1µ
25V
16V
0.01µ
TR1
C1
C2
C3
C4
C5
C6 C8
C9
C11
C13
C14
C15 C17
C18
C19
C20
C21
C23
C25
R7
R8
R9
R10
R13
R14
R15
R16
R18
R19
R20
R21
R22
R23
R24
R25
R26
R32
R34
10K
16V
16V
16V
0.01µ
0.01µ
0.01µ
6.8K
R12
47K
R11
10MHz
JP10
JP11
JP12
JP13
JP18
10K
10K
0.01µ
16V
0.01
µ
16V
R17
3.3K
13K
C27
C12
SW1 : AUX.(TEST RUN)
C16
25V
0.1
µ
1
R31R33
+
+
C26
321
1
BCN1
2345678
R37
6
7
135
1K(F)
1
0.1µ
D12
3
R108
10
32
(TIMER)
LED102
LED101
(OPERATION)
1
12
BL
GR
LED107
(CLUSTER)
134256
9
R107
(FAN L)
(FAN M)
(FAN H)
(FAN AUTO)
LED106
LED105
LED104
LED103
3K
2.7K
R102
R101
1/2W
1/2W
C102
C101
0.1µ
25V
33µ
10V
+
IC101
BCN101
R103
R104
R105
R106
620
620
123
1
8765432
620
620
1/2W
1/2W
56
CN10
CN103
BCN102
CN102
CN101
275V
275V
0.1
µ
0.1
µ
275V
C28
8
6
SSR2
2W
2W
R1
R2
NC
NC
NC
NC
JP9
JP8
JP7
JP19
DEIC
E 1
DEIC
E 2
DRY
FAN
PIPE
1
PIPE
2
NONENONENONENONE
JP7 JP8 JP9
JP10 JP11 JP12 JP13
TEST
NONE
JP6
NONE 15K 15K 15K
JP18 JP19
LOUVOUT
FAN
CLUS
TER ER
R19 R21 R23
FAN2FAN1
HEAT COOL
MODE
R38
R38
ON
PWR
LESS
WIRE
AT
SWE-
KEEP
HOT
DEF.
SYMBOL
I
JP2 JP3 JP4 JP5JP1
IN
OUT
RY1
WPE1T250V
3A
1
N
BOARD
TERMINAL
L
N
PHASE
SINGLE
SUPPLY
POWER
TERMINAL
BOARD
A
BL
BK
BR
UNIT
OUTDOOR
TO
NONENONENONE
47
CT1
BL
BL
AH/AY-AP18DR
AH/AY-AP24DR
14
Figure L-4. Electronic Control Circuit Diagram for AH-AP24DR
L2
R37
13K
MODEHOT
KEEP
SWE-
AT
WIRE
LESS
PWR
ON
DEIC
TEST
NONE NONE NONE NONE
JP13JP12JP11JP10
JP9JP8JP7
2
PIPE
1
PIPE
FAN
DRY
E 2
DEIC
E 1
NONE
JP6
COOLHEAT
FAN1 FAN2
R23R21R19
ERTER
CLUS
FAN
OUT LOUV
JP19
NONE 15K15K
JP18
MODE
L
R38
NONE NONE NONE
JP1 JP5JP4JP3JP2
I
SYMBOL
DEF.
1/2W
R4547
TO
OUTDOOR
UNIT
BR
E
A
BOARD
TERMINAL
2
POWER
SUPPLY
SINGLE
PHASE
N
L
TERMINAL
BOARD
N
1
3A
250VTWPE1
8765432
BCN1
1
123
C26
+
+
R33 R31
1
0.1µ
25V
C16
SW1 : AUX.(TEST RUN)
C12
R37
C27
13K
3.3K
R17
16V
0.01µ
16V
0.01µ
10K
10K
JP18
JP13
JP12
JP11
JP10
10MHz
R11
47K
R12
6.8K
0.01µ
0.01µ
0.01µ
16V
16V
16V
10K
R34
R32
R26
R25
R24
R23
R22
R21
R20
R19
R18
R16
R15
R14
R13
R10
R9
R8
R7
C25
C23
C21
C20
C19
C18
C17C15
C14
C13
C11
C9
C8C6
C5
C4
C3
C2
C1
TR1
0.01µ
16V
25V
0.1µ
678
321
IC8
5
4
3.3K
22.6K(F)
GND
D1?4
C7
+
100µ
10V
25V
IC3
0.1µ
7805
47µ
25V
+
IC2
7812
0.1µ
50V
1000µ
35V
+
D7
2.7K(F)
531
2µ
MOTOR
FAN
123
4
(F)
10K
(F)
10k
10µ
16V 16V
10µ
10K10K
680
+
1000p
50V
Vss
AVss
AVcc
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
51
50
49
P20
P17
P16
P15
P14
P13
P12
P11
P10
P07
P06
P05
P04
P03
P02
P01
P00
NC
P30
64636261605958575655545352
P44
P43
P42
P41
P40
P37
P36
P35
P34
P33
P32
P31
P64
P63
P62
P61
P60
AVR
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AN0
P47
P46
P45
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Vcc
20212223242526272829303132
RST
MOD0
MOD1
X0X1P27
P26
P25
P24
P23
P22
P21
F
R
O
N
T
OSC1
SSR1
0.01µ
1K
JP4
JP5
16V
0.01µ
400V
(PATTERN SIDE)
IC1
50V
1µ
0.1µ
25V
13K
13K
10K
3
IC6
1
MB89537A
NC
JP1
JP2
JP3
3
2
MOTOR
FAN
IC
HOLE
321
4
5
123
LOUVER
MOTOR
35421
0.1µ
25V
D6
+
10K(F)
220µ
16V
Q1
9
8
IC5
470
1/2W
SSR1
RY4
BZ1
1.8K
R28
R29
10K
IC4
8
2
11
2
SW101
C24
25V
9
10
5V
12V
3
SSR2
R30
470
9
1/2W
2
R27
R4
22K
R5
1
Q2
20K
R6
22K
16V
C10
0.01µ
2
16V
C22
0.01µ
2
1
2
3
3
2
1
2
3
D9 D8
13
CLEANING
SWITCH 2
SWITCH 1
CLEANING
10K
R39
R40
3.3K
R35
CLUSTER
1
3
2
1
CN1
CN2
CN3
CN5
CN6
CN7
CN8
INTERNAL
THERMOSTAT
CN9
NR1
131
3
JP21
Q5
Q6
Q7Q8
6
7
135
820(F)
0.1µ
D12
56
56
1/2W
1/2W
620
620
2345678
1
321
620
620
R106
R105
R104
R103
BCN101
IC101
+
10V
33µ
25V
0.1µ
C101
C102
1/2W
1/2W
R101
R102
2.7K
3K
LED103
LED104
LED105
LED106
(FAN AUTO)
(FAN H)
(FAN M)
(FAN L)
R107
9
65 243 1
(CLUSTER)
LED107
GR
BL
21
1
(OPERATION)
LED101
LED102
(TIMER)
23
10
R108
3
CN103
BCN102
CN102
CN10
CN101
275V
275V
0.1µ
R2
R1
2W
2W
SSR2
6
8
C28
275V
0.1µ
JP9
JP8
JP7
JP19
R38
NC
NC
NC
NC
L1
100
R41
1W
C31
0.033µ
275V
6.8K
6.8K
NF1
D14
+
C29
47µ
25V
10K
275V
RY4
R44
0.01µ
C34
1W
D
NC
NC
47K 5.1K
RE
BL
CT1
BL
BL
BR
TH1 PIPE
TEMP.
10kΩ(25˚C)
TH2 PIPE
TEMP.
15kΩ(25˚C)
15
AH/AY-AP18DR
AH/AY-AP24DR
Figure L-5. Printed Wiring Diagram for AY-AP18DR
2
FB441
2
FB441
2
2
FB441
2
FB441
2
TO TERMINAL BOARD
TOP " N "
TO TERMINAL BOARD
TOP" N "
TO TERMINAL BOARD
BOTTOM" N "
TO TERMINAL
BOARD TOP
" 3 "
TO TERMINAL
BOARD TOP
" 2 "
FROM TERMINAL BOARD
TOP " 1 " " BLACK "
FROM
TERMINAL
BOARD BOTTOM
" L "" BROWN "
FROM FAN MOTOR
FROM
FAN MOTOR
FROM CLUSTER GENERATOR
FROM
CLUSTER
GENERATOR
FROM CLEANING SWITCH 1
FROM
CLEANING
SWITCH 2
FROM THERMISTOR
FROM LOUVER MOTOR
BCN101(BCN201)
AH/AY-AP18DR
AH/AY-AP24DR
16
Figure L-6. Printed Wiring Diagram for AY-AP24DR
2
FB441
2
FB441
2
2
FB441
2
FB441
2
TO TERMINAL BOARD
TOP " N "
TO TERMINAL BOARD
TOP " N "
TO TERMINAL BOARD
BOTTOM " N "
TO TERMINAL
BOARD TOP
" 3 "
TO TERMINAL
BOARD TOP
" 4 "
TO TERMINAL
BOARD TOP
" 2 "
TO TERMINAL
BOARD TOP
" 1 "
FROM FAN MOTOR
FROM
FAN MOTOR
FROM CLUSTER GENERATOR
FROM
CLUSTER
GENERATOR
FROM CLEANING SWITCH 1
FROM
CLEANING
SWITCH 2
FROM THERMISTOR
FROM LOUVER MOTOR
BCN101(BCN201)
17
AH/AY-AP18DR
AH/AY-AP24DR
Figure L-7. Printed Wiring Diagram for AH-AP18DR
2
FB441
2
FB441
2
2
FB441
2
FB441
2
TO TERMINAL
BOARD TOP " N "
TO TERMINAL BOARD
TOP " N "
TO TERMINAL BOARD
BOTTOM " N "
FROM TERMINAL
BOARD TOP " 1 " " BLACK "
FROM
TERMINAL
BOARD BOTTOM
" L " " BROWN "
FROM FAN MOTOR
FROM
FAN MOTOR
FROM CLUSTER GENERATOR
FROM
CLUSTER
GENERATOR
FROM CLEANING SWITCH 1
FROM
CLEANING
SWITCH 2
FROM THERMISTOR
FROM LOUVER MOTOR
BCN101(BCN201)
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