Sharp AY-M09AE User manual

1
AY-M09AE
AE-M18AE
SHARP CORPORATION
MULTI SPLIT SYSTEM
ROOM AIR CONDITIONERS
INDOOR UNIT
AY-M09AE
MODEL
TABLE OF CONTENTS
Page
SPECIAFICATIONS ............................................................................................................................................................. 2
EXTERNAL DIMENSIONS................................................................................................................................................... 3
WIRING DIAGRAMS............................................................................................................................................................ 5
ELECTRICAL PARTS .......................................................................................................................................................... 6
MICROCOMPUTER CONTROL SYSTEM .......................................................................................................................... 7
PRINTED WIRING BOARD ................................................................................................................................................. 9
FUNCTIONS ...................................................................................................................................................................... 13
TROUBLESHOOTING OF THE CONTROL CIRCUIT...................................................................................................... 21
REFRIGERATON CYCLE.................................................................................................................................................. 24
PERFORMANCE CURVES ............................................................................................................................................... 26
REFRIGERANT PIPE INSTALLATION WORKS ............................................................................................................... 27
DISASSEMBLING PROCEDURE ...................................................................................................................................... 28
PUMP DOWN..................................................................................................................................................................... 33
REPLACEMENT PARTS LIST........................................................................................................................................... 34
AE-M18AE
OUTDOOR UNIT
Intheinterestsofuser-safety(Requiredbysafetyregulationsinsome
countries) thesetshouldberestoredtoitsoriginalconditionand only
parts identical to those specified should be used.
(2 UNITS)
SERVICE MANUALS2004AYM09AE/

2
AY-M09AE
AE-M18AE
ITEMS INDOOR UNIT OUTDOOR UNIT
AY-M09AE AE-M18AE
Cooling capacity kW [1 unit] 2.7 [2 units] 2.5 x 2
Heatpump kW [1 unit] 3.3 [2 units] 3.2 x 2
Heating capacity
Moisture removal Liters/h 1.1 x 2
Electrical data
Phase - Single
Rated frequency Hz 50
Rated voltage range V 198 to 264
Rated voltage V 220 - 240
Rated current Cool A [1 unit] 4.8 - 5.1 [2 units] 9.6 - 9.8
Heat A [1 unit] 5.2 - 5.5 [2 units] 9.2 - 9.5
Rated input Cool W [1 unit] 1000 - 1080 [2 units] 2000 - 2100
Heat W [1 unit] 1080 - 1170 [2 units] 1920 - 2060
Power factor Cool % [1 unit] 95 - 88 [2 units] 95 - 89
Heat % [1 unit] 94 - 89 [2 units] 95 - 90
Compressor Type Hermetically sealed rotary type
Model 2PS192D3AA02
Oil charge 350cc (SUNISO 4GDID)
Refrigerant Evaporator Louver fin and Grooved tube type(7mm tube)
system Condenser Corrugate Fin and Grooved tube type
Control Capillary tube
Refrigerant volume 680 g x 2
De-ice system Micro computer controlled reverse system
NOise level High dB(A) 38 50
(at cooling) Med. dB(A) 31 -
Low dB(A) 28 -
Fan system
Drive Direct drive Direct drive
Air flow quantity High m3/min. 6.5 36
(at cooling) Med. m3/min. 5.2 -
Low m3/min. 4.5 -
Fan Cross flow fan Propeller fan
Connections
Refrigerant coupling Flare type
Refrigerant tube size Gas, Liquid 3/8", 1/4"
Refrigerant pipe sets No. AZ-24H5E; 5m, AZ-24H7E; 7m
Drain piping mm O.D ø 18
Others
Safety device Compressor: Overload protector(MRA98533)
Fan motors: Thermal fuse Thermal Protector
Fuse, Micro computer control
Air filters Polypropylene net (Washable)
Net dimensions Width mm 790 890
Height mm 270 637
Depth mm 155 297
Net weight kg 7 61
Note: The condition of (
) marked item are ‘ISO 5151 : 1994(E), Condition T1'
SPECIFICATIONS

3
AY-M09AE
AE-M18AE
EXTERNAL DIMENSIONS
Figure E-1. INDOOR UNIT
Figure E-2. OUTDOOR UNIT
Remote control
58 19.5
182
Length unit (mm)
270
790 155
27
275
617
20
70
135
210
275
637
945 297
890 260
55
590 150

4
AY-M09AE
AE-M18AE
PART NAMES
INDOOR UNIT 1Inlet (Air)
2Open Panel
3Operation panel
4Air Filters
5Indicator Panel
6Vertical Adjustment
Louvres
7Horizontal Adjustment
Louvres
8Outlet (Air)
9Remote Control
To open the open panel, hold the bot-
tom corners of the open panel and
gently pull the panel outwards.
0TEST RUN Button
qAUX. Button
wRECEIVER Window
eOPERATION Lamp (Red
)
rTIMER Lamp (Yellow )
tBUSY Lamp (red )
Blinks when the unit can not
operate due to the other unit
operating in different mode.
OUTDOOR UNIT
yInlet (Air)
uRefrigerant Tube and
Interconnecting Cord
iDrainage Hose
oOutlet (Air)











TEST
RUN AUX.










TEST
RUN AUX.
0
q
w
e
r
t
y
u
i
o
1
2
3
4
5
6
7
8
9

5
AY-M09AE
AE-M18AE
Figure W-2. Wiring Diagram for AE-M18AE
Figure W-1. Wiring Diagram for AY-M09AE
WIRING DIAGRAMS
N
LN
L
SS
OUTDOOR
UNIT
INDOOR UNIT
TERMINAL 
BOARD
G(Y)
UNIT TO UNIT CORD
TERMINAL BOARD
BR
BL
RE
G(Y)
EVAPORATOR
BK
BL
BR
GR
G(Y)
RE
WH
OR
: BLACK
: BLUE
: BROWN
: GRAY
: GREEN YELLOW
: RED
: WHITE
: ORANGE
3A 250V
WPE
CONTROL BOARD UNIT 1
TRIAC
SERIAL
SIGNAL
CIRCUIT
CN1
NR
VARISTOR
(A) (B) RE
FAN MOTOR
BK
R.P.M
SIGNAL
BL
BL
GR
BL
FAN MOTOR
CAPACITOR
400V 1µF
CONTROL 
BOARD 
UNIT 2
CN3
CN5
CN4CN6
CN7
BCN 2
CN 201
CN101
THERMISTOR
(ROOM TEMP.)
THERMISTOR
(PIPE TEMP.)
TH1
TH2
RECEIVER
& LED UNIT
SWITCH
UNIT
5
7
1
2
CN2
RE
RE
BCN1
THERMAL FUSE
TRANSFORMER
WH
WH
1
2
3
4
5
6
LOUVER
MOTOR
531
THERMAL
FUSE
(E)
(F)
TRANFORMER
THERMAL 
FUSE
CN2 RY3 CN1 CN3 CN4
RY4
FAN MOTOR 
CAPACITOR
440V 2µF
BL RE
BK RE RE RERE
A1 A2
NR1
VARISTOR
WH
WH
FAN
MOTOR
RE
SIGNAL
CIRCUIT
CONTROL BOARD UNIT
CN6
CN5
OR Y
MOTOR
PROTECTOR
CT1
BK
C
R
RE
OR 370V
25µF
370V
25µF
WH
RUNNING 
CAPACITOR
RUNNING 
CAPACITOR
COMPRESSOR
MOTOR A1
BK RY1 BK
MOTOR
PROTECTOR
C
R
RE
COMP-
RESSOR MOTOR
A2 BL
CT2
AC RY2 COMP
GR
OUTDOOR UNIT GR
WH
OR
G(Y)
: GRAY
: WHITE
: ORANGE
: GREEN-
YELLOW
RE
BL
BK
Y
: RED
: BLUE
: BLACK
: YELLOW
UNIT TO UNIT CORD
INDOOR 
UNIT A2
INDOOR 
UNIT A1
BL
BL
OR
RE
G(Y) Y
250V 3A T1
WPE
TERMINAL 
BOARD
RE
G(Y)
SURGE ABSORBER
NR2 VARISTOR
RE RE
2 1 7 5 2 3 4
THERMAL
PROTECTOR
VALVE COIL
THERMISTOR 
A1 THERMISTOR
A2
(PIPE TEMP.)(PIPE TEMP.)
TH1 TH2
OR
Y
RE
BK WH BK
S
L
N
S
L
S
N
L
N
L
N
S
L
N
S
1 3 5 1 1 33
1 2
1
S

6
AY-M09AE
AE-M18AE
ELECTRICAL PARTS
For Model AY-M09AE and AE-M18AE
DESCRIPTION MODEL REMARKS SITE
Compressor 2PS192D3AA02 220 - 240V, 50Hz, 900W AE
Indoor fan motor ML-A411 220 - 240V, 50Hz AY
Outdoor fan motor ML-A868 220 - 240V, 50Hz AE
Indoor fan motor capacitor - 400V, 1µF AY
Outdoor fan motor capacitor - 440V, 2µF AE
Running capacitor - 370V, 25µF AE
Transformer - Primary; AC 220V, 50Hz AY
Secondary; AC14.8V, 50Hz
Fuse - 250V, 3A AY, AE
Reverse valve coil - 220 - 240V, 50/60Hz AE
MICROCOMPUTER
CONTROL SYSTEM

7
AY-M09AE
AE-M18AE
Figure L-1. Electronic Control Circuit Diagram for AY-M09AE
MICROCOMPUTER
CONTROL SYSTEM
33
1 3 2 6 5 4
1 3 2 6 5 4
3 2 1
6 5 4 3 2 1
1 2 3 4 5
3 2 1
3 2 1
2 2
6 BCN2
BCN1
R35 100k
R37 3.3k
C13 250V 0.01µ0.047µ
D7 TC 1A 115˚C
R50 1W  2.7k
(C6)
Y/G
F
E
BROWN
RED
BL
CN2
THERMAL  FUSE
C14 C15
ZD1
100µ
50V50V
PC2 PC1
4
5
2
1
5
4
2
1
R36 56k
6
1 3
15
2
7
1 3
L
N
S
135
1 2 3 4
8 7 6 5
IC6
5 5 7 7
88
FAN MOTOR
RPM SIGNAL
50Hz 220-240V
TERMINAL
BOARD 1
WPE 3A 250V
5V
1/2W 5.1k x 12
R45
R3 22k
R47
TRANS- FORMER
R49 D6
CN2
R44R46R48
R43R41R39
R42R40R38
(PREHEAT) WIRELESS RPM (DEICE A) (DEICE B)
(DEICE B) (FILTER) (DEICE A)
SWEAT OFF WIDTH POWER MEMORY
(JP1) ON (JP2) NORMAL JP3 1 PLUSE (JP5) (JP4) (JP6) OFF (JP7) 3 min. JP8 OFF (JP9) ON
R32 10k
R4 3.3k
C17 25V 0.1µ
IN OUT
GND
IN OUT
C6
BL
B
A
C5
C4C3
50V 0.1µ
BCN1
D1
DV
SS
D4
R2 22k
C1 250VAC 0.1µ
L6
G
D3
D2 (A170)
C2 2200µ 36V
BCN2 47µ
25V 0.1µ
50V 100µ
10V
GND
5V
5V
CN1
12V
IC2 IC3
NR
R1
1W 390Ω
TRIAC
T2 T1 FAN MOTOR
THERMAL FUSE
FAN  MOTOR CAPACITOR 400V 1µ
NC NC NC
NC NC
NC NC NC NC
AUX
TEST RUN
LOUVER  MOTOR
SW201 CN201 CN7
CN3
BCN1
BCN1
R6
1
2
R5 2.7k
PT
470Ω1/2W
BCN2
BCN2
SW202
5V
5V
12V 12V
1
1
2 3 4 5 5 4 3 2
1
9
6 5 4 3 2
7
9Q1
12
3
C8 16V 0.01µ
R7 10k
16
BZ
IC4
11 12 13 14 15 10
5V
RCM 10kΩ 10kΩ: 1000pF x 2
RA1 10kΩx 4
R34
C12 1000p 50V
R33 4.7k
470ΩOUT IN
JP10
(FILTER)
DRY ON
1000p x 4 R51 680Ω
680Ω
330Ω
R13 R14
LED 102 (YELLOW) TIMER LED
RECEIVER UNIT
LED 101 (RED) OPERATION LED LED 103 (RED) BUSY LED
CN6 CN101
CN5
D5
PST591D
C9 0.1µ 50V
C101 33µ 10V
1.2k R25
R27 4.7k
R15 10k
R26 R23 33k R24 680Ω
4.7k
12V
5V
5V
5V
5V
5V
5V
15.0k(F)R8 32.4k(F)
107k(F)
78.7k(F)
R9
R11
JP15
R10
RA2 22k(F) x 6
2 3
FAN H
C7 0.1µ 50V
FAN M FAN L MODEL A MODEL B
4 5 61
1001 0110 0011 (11111)
R16 10k
R20 240k
R20 10k
10k 10k
CA1
CA2
3
2
1
45
R21 R22
1000p x 4
8.0M OSC
3
2
1
4 5
C10 10µ 16V
R17 15k (F)
C11 10µ 16V
R18 15k (F)
R19 10k CN4
PIPE TEMP. TH2 15k (25˚C) ROOM TEMP. TH2 15k (25˚C)
TEST
5V
IC5
4 4
5V
1 64P20 AV 2 63P21 AV 3 62P22 AN17 4 61P23 AN16 5 60P24 AN15 6 59P25 AN14 7 58P26 AN13 8 57P27 AN12 9 56P30 AN11
10 55P31 AN10 11 54P32 AV 12 53P33 P04 13 52P34 XT2 14 51P35 IC 15 50BUZ X1 16 49P37
µPD78012
X2
17 48V 18 47P40 P03 19 46P41 INTP2 20 45P42 INTP1 21 44P43 INTP0 22 43P44 /RESET 23 42P45 P67 24 41P46 P66 25 40P47 P65 26 39P50 P64 27 38P51 P63 28 37P52 P62 29 36P53 P61 30 35P54 P60 31 34P55 P57
SS
VSS
P56
REF DD SS
DD
32
+
V

8
AY-M09AE
AE-M18AE
Figure L-2. Electronic Control Circuit Diagram for AE-M18AE
1 64
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33P56VSS
P55 P54 P53 IC1 P52 P51 P50 P47 P46 P45 P44 P43 P42 P41 P40 VSS P37 P36 P35 P34 P33 P32 P31 P27 P30 P26 P25 P24 P23 P22 P21 P20
P57 P60 P61 P62 P63 P64 P65 P66 P67
RESET P01 P00 P02 P03 P04 VDD X2 X1 IC XT2 AN10 AVSS AN11 AN12 AN13 AN14 AN15 AN17 AN16 AVDD AVREF
2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 25 27 28 29 30 31 32
µP078011
10Ry1
Ry2 Ry3 Ry4
7
11 6 12 5 13 4 14 3 15 2 16 1
IC2
8 9
12V 12V
VALVE COIL
FAN MOTOR
COIL A2 COIL A1
NC NC NC NC NC NC NC
NC NC NC
NC NC NC NC NC NC NC NC NC NC NC
NC NC NC NC NC NC NC
5V
C28
0.1µ 25V 10V
100µ
C22
+
_
18k
10k 8.87kF
8.87kF
R14
R7 R8
5V
BLUE RED
ORANGE
BLUE BLUE RED RED
L
YELLOW
GREEN/ YELLOW GREEN/ YELLOW
GREEN/ YELLOW
TERNINAL
BOARD
N N N
L
S S
L
CN5
2 1
VALVE COIL A1 VALVE COIL A2
1 3 1 3
RED
CN1
CN3 CN4
BLACK BLUE
FAN  MOTOR
CNR2
Ry3
Ry4
THERMAL PROTECTOR
NR1
C2
0.01µ
250V
TRANSFORMER
THERMAL
FUSE
5V 12V
INOUT GND INOUT GND
C6
C7 C5 C4 C3
CN2
25V 47µ
10V 47µ25V
0.1µ0.22µ
50V
2200µ 35V
+ _
+ _
+ _
D1 D2 D4 D3
IC4 IC3 5V
R30
1.0kF
10V 220µ
C21
R29
6.49kF
CT2
A2 A1
D8
R27
10V 220µ
D7
C20
R26
5V
ORANGE YELLOW
TC 115˚C 1Ω
TH1
PIPE TEMP. A1
TH2
PIPE TEMP. A2
4 3 2 1
CN6
C17 C18 10µ 16V 10µ 16V
R23
R22
R24
R25
6.8kF
10k
6.8kF
10k
C16
1000P
50V
C18
1000P
50V
C15 10V 100µ
C14
25V
0.1µ
5V
OSC 8MHz
2
31
R12
4.7k
5 4
2 1
1
23.3k
4 5PC2
PC1 0.01µ
16V 0.01µ 16V
D5 R5
C9 C12R17
R9
1W 2.7k 1W 2.7k
CNR4
UNIT TO UNIT SIGNAL A1 UNIT TO UNIT SIGNAL A2
CN5
CNR5
R6D6 2
1
5
5
42
2
1
1
4
PC4 PC3
5V
56k
R18
25V 0.1µ
1 3 2
IC5
Reset PST 993D
C13
5V
D11
C12 1µ 50V
C10
50V
1000P
R19
470Ω
470Ω
R11
R20 4.7k R10
56k 5V
C25
1000P
50V
C24 1000P 50V
R16 10k R15 10k
5V CT1
R28
R31
1.8kF 1.8kF
1
FAN MOTOR CAPACITOR 440V 2µF
C7
CNR1
SA1CN2 NR2
2 1
3A 250V
WPE
RED
T1
AC 220/240V 50Hz
UNIT A1 UNIT A2
RED
370V
25µ
WHITE S
C
R
COMPRESSOR MOTOR A1
BLACK
BLACK
RY1
MOTOR PROTECTOR A1
CT1
YELLOW
370V
25µ
WHITE S
C
R
COMPRESSOR MOTOR A2
PURPLE
BLUE
RY2
MOTOR PROTECTOR A2
CT2
5V
R4
10k
5V
R34 10k
5V
LED3 LED2 LED1
(RED)
SIGNAL A2 (RED) SIGNAL A1 (RED)
R3 1k R2 1k R1 1k
+
_
+
_
+
_
5
7
+ _ + _
3 5
6.49kF
C8
50V
1000P
1.0kF
D9 D10
R13
3.3k

9
AY-M09AE
AE-M18AE
Figure L-2. Printed Wiring Board for AY-M09AE
GND
D4
D3 D1 D2
R36
R37 D7
34
4
C2
3
115˚C
R1
L
R50
RED
S (F)
TC
R47 (C16)
R46R40
C15
R42 R43 R44 R45 R48 R49
D6
NR
C1
1
GT1
T2
TRIAC
3
PC1
6
BROWN
(E)
3A 250V
WPE
4
1
PT
3
BCN1
R2
R6
1 8
R3
PC2
C13
FAN MOTORCN1
5
C14
FAN MOTOR
CAPACITOR
FAN MOTOR
CAPACITOR
(B)GRAY
BLUE (A)
R38
R35
1 2
CN2
5
TRANSFORMER
7
ZD1 R39 R41
QPWBFB339JBZZ(C) 0
DPWBFA187JBKZ
(P)
YM09
FROM  FAN MOTOR
FROM  TRANSFORMER
TO  FAN MOTOR CAPACITOR
TO  FAN MOTOR CAPACITOR TO  TERMINAL  BOARD " L " TO  TERMINAL  BOARD " S "
R10
R8
C17
JP11
(JP1)
(JP2)
(JP4)
(JP5)
(JP6)
(JP7)
C12 C7 R7
JP10 Q1 3
1
JP12
JP18 OUT IN
IC3
IC5
R51
R14
R13
R27
R5
C8
R34
R26
R23
R24
JP20
C9
33
JP17 BZ
OUT
JP21
IN
IC2
CN5
RPM SIGNAL
THERMISTOR
CN4
13
D5
R15
BCN2
CN7
31
CN6
1
R25
6 1
6
C5 8
JP22
C6
1
8 9
1 165
LOUVER MOTOR
1CN3
IC4
354045
CA2
5055
OSC
CA1
RA2
JP13
JP14
6064
323025
RA1 IC1
JP8
(JP9) RCM
201510
5
15
8
31
R33
JP16
JP3
R4
132
R17
C3
JP19
C4
R28
R20
R21
R16
R22
JP15
R11
C11 C10
R18
R19
R9
YM09
FAN M
POWER ON QPWBFB339JBZZ(C) 0
FAN M
FAN M
GND 5V
12V
FROM  LOUVER  MOTOR
FROM  RECEIVER & LED UNIT FROM  SWITCH UNIT
FROM  FAN MOTOR
FROM  THERMISTOR

10
AY-M09AE
AE-M18AE
Figure L-3. Printed Wiring Board for AE-M18AE
12V
5V
GND
DIP
AEM18AE
C1
CNR1
CNR2
CN2 (TRANSFORMER)
IC4
IC3
O G I
O
GI
NR1
71
CN1 (FAN MOTOR)
1 5
A2
RY2
A1
RY1
COMP
COMP AC
AC
JP3
1
C23
C22
C25 C14
D11
JP2
JP1
C12
PC4 PC3
C13
D6
TC1
115˚C
PC2
PC1
61
3
4
6 1
1 6
3
4
6
1
33
111 111 111 111
D5
3
4
CNR4
CNR5
JP7
IC5
1
13
3
OSC
C15
C24
C17
C19
R8
R44
R31
D10
JP11
D9
R13
R7
JP9
D7
R27
CT2
CT1
A2
A1
(BLUE)
(BLACK)
R29
C16
R22
R25 R24
C18
CN5
UNIT TO UNIT SIGNAL
A1 A2
112
R15
41 R16
R23
R26
PEAK IN A2
PEAK IN A1
CN6(THERMISTOR)
R30
R28
C21
C20
D8
IC1 8 9
1 16
JP10
R4
R34 RY4
LED2 LED3
R1 R2 R3
LED1
A2 A1
IC2
RY3
510 15
60 55 50
20
JP4 JP5
TEST
25 30
D3
D4
C7
C6
C5
C8
R12
R20
R19
C10
JP8
R18
R6
R5
D2
C3
C4
JP6
R9
R14
R10
R11
C11
C9
D1
45 40 36
DPWBFA174JBKZ
QPWBFB3374JBZZ 0
H.S.
A1 A2
WPE
3A 250V
CN4
1 3
C2
CN3
1 3
(VALVE COIL)
(RED) T1
(GREEN/ YELLOW)
SA1
NR2
5V
FROM
TERMINAL "S"
FROM
THERMISTOR
THROUGH CT1
TO COMP. 
PROTECTOR A1
THROUGH CT2
TO 
COMP. 
PROTECTOR A2 TO
CONTROL 
BOARD
FROM
TERMINAL
UNIT A1 " L "
FROM
TRANSFORMER
FROM
VALVE 
COIL A2
FROM
VALVE 
COIL A1
FROM
FAN 
MOTOR
FROM
TERMINAL
UNIT A1 " N "