Sharp AH-S22DP2 User manual

1
AH-S22DP2
AH-S25DP2
AH-S32DP2
S3313AHS32DP2
SPLIT TYPE
ROOM AIR CONDITIONERS
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.
SERVICE MANUAL
Page
SPECIFICATIONS ............................................................................................................................................. 2
EXTERNAL DIMENSIONS ................................................................................................................................. 3
WIRING DIAGRAMS ......................................................................................................................................... 4
ELECTRICAL PARTS ......................................................................................................................................... 6
BLOCK DIAGRAM .............................................................................................................................................. 7
MICROCOMPUTER CONTROL SYSTEM ......................................................................................................... 9
FUNCTIONS .................................................................................................................................................... 15
FUNCTION AND OPERATION OF PROTECTIVE PROCEDURES ............................................................... 22
BREAKDOWN DIAGNOSIS PROCEDURE .................................................................................................... 24
REFRIGERATION CYCLE .............................................................................................................................. 27
PERFORMANCE CURVES ............................................................................................................................. 28
DISASSEMBLING PROCEDURE .................................................................................................................... 29
OPTION ........................................................................................................................................................... 36
REPLACEMENT PARTS LIST ........................................................................................................................ 38
TABLE OF CONTENTS
MODELS
SHARP CORPORATION
AH-S22DP2
AH-S25DP2
AH-S32DP2
OUTDOOR UNIT
INDOOR UNIT
AU-S22DP2
AU-S25DP2
AU-S32DP2

2
AH-S22DP2
AH-S25DP2
AH-S32DP2
SPECIFICATIONS
MODEL
I NDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT
ITEMS AH-S22DP2 AU-S22DP2 AH-S25DP2 AU-S25DP2 AH-S32DP2 AU-S32DP2
Cooling capacity(Min. ~ Max.) k/W 2.0 (1.0 - 2.6) 2.1 (1.0 - 2.9) 2.7 (0.9 - 3.7)
Moisture removal Liters/h 0.7 0.8 0.9
Electrical data
Phase Single
Rated frequency Hz 60
Rated voltage V 220
Rated current A3.6 3.74.5
Rated input (Min. - Max.) W 720(400 - 1050) 730(400 - 1200) 900(330 - 1500)
Power factor %91 9091
Type Hermetically sealed rotary type
Compressor Model 2RV110N5EA04 HV237A1-S15DK
Oil charge ATMOS M60 or SUNISO 4GDID 260 cm3 SUNISO 4GSD 455 cc
Evaporator Bare tube type Grooved tube type Grooved tube type
Refrigerant system Condenser Louver Fin and Grooved tube type
Control Capillary tube
Refrigerant volume 510g 530g 750g
Noise level High dB(A) 35 43 36 43 38 48
(at cooling) Med. dB(A) 31 – 32 – 33 -
Low dB(A) 26 – 27 – 29 -
Fan system
Drive Direct drive
Air flow quantity High m3/min. 7.5 29 8.0 29 9.4 32
(at cooling) Med. m3/min. 6.5 – 7.0 – 8.0 –
Low m3/min. 5.1 – 5.2 – 6.5 –
Fan Cross flow fan Propeller fan Cross flow fan Propeller fan Cross flow fan Propeller fan
Connections
Refrigerant coupling Flare type
Refrigerant tube size Gas, Liquid 3/8", 1/4" 1/2", 1/4"
Drain piping mm O.D ø 18
Others
Compressor: Thermal protector
Safety device Fan motors: Thermal fuse
Fuse, Micro computer control
Air filters Polypropylene net (Washable)
Width mm 815 780 815 780 815 780
Net dimensions Height mm 278 540 278 540 278 540
Depth mm 198 269 198 269 198 269
Net weight kg 9 31 9 33 10 38
Note: The condition of star " " marked item are 'CNS14464 B 7291 : T1'.

3
AH-S22DP2
AH-S25DP2
AH-S32DP2
EXTERNAL DIMENSIONS
Figure E-1. INDOOR UNIT
Figure E-2. OUTDOOR UNIT
269
179.5
182.5
136
81
780
70
540
310 335
540
12
37.5
4.5
58
158
16
815
278
198
Length unit (mm)
22.0
58
CRMC-A442JBE0
R03(AAA) 2PCS.
SHARP CORPORATION
INVERTER AIR CONDITIONER
18.5
175
1700
Power supply cord

4
AH-S22DP2
AH-S25DP2
AH-S32DP2
WIRING DIAGRAMS
Figure E-3. INSTALLATION DIMENSIONS
815 (unit size)
More than 50mm
E
Center of wall hole:
Leftward piping
Center of wall hole: Backward piping
Outline of indoor unit
55 95
80 55
AJ
IF
ED
D
FA
C
J
H
I
GB
21
278 (unit size)
38
Ceiling
E
Figure W-1. Wiring Diagram for AH-S22DP2/S25DP2/S32DP2

5
AH-S22DP2
AH-S25DP2
AH-S32DP2
Figure W-2. Wiring Diagram for AU-S22DP2/S25DP2
Figure W-3. Wiring Diagram for AU-S32DP2

6
AH-S22DP2
AH-S25DP2
AH-S32DP2
For Model AH-S22DP2/S25DP2/S32DP2
DESCRIPTION MODEL REMARKS
Indoor fan motor ML-A901 220 - 240V, 50Hz 220 - 230V, 60Hz
Indoor fan motor capacitor – 430V or 450V, 2µF
Transformer – Primary; AC 220 - 240V, 50/60Hz
Secondary; AC19V
WPE1 – QFS-GA053JBZZ (2.5A, 250V)
For Model AU-S22DP2/S25DP2
DESCRIPTION MODEL REMARKS
Compressor 2RV110N5EA04 3-PHASE Induction motor
Outdoor fan motor ML-A902 220 - 240V, 50Hz 220 - 230V, 60Hz
Outdoor fan motor capacitor – 430V or 450V, 1.5µF
WPE1 – QFS-GA033JBZZ(15A, 250V)
WPE2 – QFS-GA015JBE0(10A, 250V)
WPE3 – QFS-GA054JBZZ (3.15A, 250V)
For Model AU-S32DP2
DESCRIPTION MODEL REMARKS
Compressor HV237A1-S15DK 3-PHASE Induction motor
Outdoor fan motor ML-A903 220 - 240V, 50Hz 220V, 60Hz
Outdoor fan motor capacitor – 430V or 450V, 2µF
WPE1 – QFS-GA014JBE0(20A, 250V)
WPE2 – QFS-GA019JBE0(20A, 250V)
WPE3 – QFS-GA054JBZZ (3.15A, 250V)
ELECTRICAL PARTS

7
AH-S22DP2
AH-S25DP2
AH-S32DP2
BLOCK DIAGRAMS
INDOOR UNIT
AC power
CPU
2.5A
protection
DC power supply circuit
Fan motor phase control circuit
Rotation pulse input circuit
AC clock circuit
Louvre motor drive circuit(upper)
Louvre motor drive circuit(lower)
Remote controller signal reception circuit
Buzzer drive circuit
CPU reset circuit
CPU oscillator circuit
Room temp. detect circuit
Heat exchanger pipe thermo circuit
Compensation circuit/ select circuit
Compensation circuit
Switchover circuit
Serial I/O circuit
Compressor relay drive circuit
LED drive circuit
Auto restart circuit
Test run circuit
Auxiliary mode
Power on circuit
Cluster generator drive circuit
Cluster generator sensor circuit
Gas sensor circuit
Dust sensor circuit
Indoor fan motor
Fan motor pulse detect
Flow direction control (louver motor upper)
Flow direction control (louver motor lower)
Wireless remote control operation
Audible operation confirmation
Room temp. thermistor
Heat exchanger pipe thermistor
Blower temperature, fan speed, model select
Outdoor ratings
Wireless, preheat
Indoor/outdoor control signal I/O
Outdoor unit power supply on/off control
LED display
Test run (forced operation)
Auxiliary mode button ON/OFF
Self diagnostics, fault diagnosis
Cluster generator
Unit-unit wiring
(AC power and
serial signals)

8
AH-S22DP2
AH-S25DP2
AH-S32DP2
CPU
15 A
protection
Outdoor fan motor
4-way valve(except for
the AU-X08BE/X10BE)
Power transistor module
Compressor
Current transformer
Compressor thermistor
Heat exchanger pipe thermistor
Outdoor temperature thermistor
LED
3.15 A
protection
10 A
protection
Power supply circuit
(built into IPM)
CPU oscillator circuit
Outdoor fan motor relay drive circuit
4-way valve relay drive circuit
(except for the AU-X08BE/X10BE)
Power transistor module drive circuit
Serial I/O circuit
CPU reset circuit
DC overcurrent detection circuit
AC overcurrent detection circuit
Compressor thermo circuit
Heat exchanger pipe thermo circuit
Outdoor temp. thermo. circuit
LED drive circuit
Test mode circuit
Filter
circuit
Smoothing
circuit
Unit-unit wiring (AC power
and serial signals)
CPU
20 A
protection
Outdoor fan motor
4-way valve(except for
the AU-X13BE)
Power transistor module
Compressor
Current transformer
Compressor thermistor
Heat exchanger pipe thermistor
Outdoor temperature thermistor
LED
3.15 A
protection
20 A
protection
Power supply circuit
(built into IPM)
CPU oscillator circuit
DC overvoltage detection circuit
Outdoor fan motor relay drive circuit
4-way valve relay drive circuit
(except fot the AU-X13BE)
Power transistor module drive circuit
Serial I/O circuit
CPU reset circuit
DC overcurrent detection circuit
AC overcurrent detection circuit
Compressor thermo circuit
Heat exchanger pipe thermo circuit
Outdoor temp. thermo. circuit
LED drive circuit
Test mode circuit
Filter
circuit
Smoothing
circuit
Unit-unit wiring (AC power
and serial signals)
OUTDOOR UNIT for AU-S22DP2/S25DP2
OUTDOOR UNIT for AU-S32DP2

9
AH-S22DP2
AH-S25DP2
AH-S32DP2
MICROCOMPUTER CONTROL SYSTEM
Figure L-1. Electronic Control Circuit Diagram for AH-S22DP2/S25DP2/S32DP2

10
AH-S22DP2
AH-S25DP2
AH-S32DP2
Figure L-2 Printed Wiring Board for AH-S22DP2/S25DP2/S32DP2
TOCLUSTERGENERATOR
FROMCLUSTERGENERATOR
FROMDUSTSENSOR
BCN201
or
BCN401
FROM
TERMINALLOF
TERMINALBOARD3
P
(BROWN)
FROM
TERMINAL1OF
TERMINALBOARD4
P
(BLACK)
TO
TERMINALNOF
TERMINALBOARD4
P
(BLUE)
TO
TERMINAL2OF
TERMINALBOARD4
P
(RED)
FROM
FANMOTOR
FROMFANMOTOR
FROMLOUVREMOTOR(TOP)
FROMLOUVREMOTOR(BOTTOM)
FROMTHERMISTOR