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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

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Summary of Contents for AH-S22DP2

Page 1: ...ERVICE 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 ...

Page 2: ...erant 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 ...

Page 3: ... 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 ...

Page 4: ...ATION 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 A J I F E D D F A C J H I G B 21 278 unit size 38 Ceiling E Figure W 1 Wiring Diagram for AH S22DP2 S25DP2 S32DP2 ...

Page 5: ...5 AH S22DP2 AH S25DP2 AH S32DP2 Figure W 2 Wiring Diagram for AU S22DP2 S25DP2 Figure W 3 Wiring Diagram for AU S32DP2 ...

Page 6: ... 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 c...

Page 7: ...t 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 thermis...

Page 8: ...lter 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...

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

Page 10: ... FROM CLUSTER GENERATOR FROM DUST SENSOR BCN201 or BCN401 FROM TERMINAL L OF TERMINAL BOARD 3P BROWN FROM TERMINAL 1 OF TERMINAL BOARD 4P BLACK TO TERMINAL N OF TERMINAL BOARD 4P BLUE TO TERMINAL 2 OF TERMINAL BOARD 4P RED FROM FAN MOTOR FROM FAN MOTOR FROM LOUVRE MOTOR TOP FROM LOUVRE MOTOR BOTTOM FROM THERMISTOR ...

Page 11: ...NGER TH1 THERMISTOR for COMPRESSOR R38 6 8K F C26 16V 10 F 5V C22 16V 10 F C21 16V 10 F R21 6 8K F R20 6 8K F C15 10V 220 F R10 6 8K F R8 2 7K F R9 1 00K F D2 1 2 3 1 2 3 5V C23 50V 1 F PST 993D IC3 OSC1 10MHz 5V 5V C17 10V 100 F F R46 10K R34 10K NC NC 5V 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17...

Page 12: ...r HEAT EXCHANGER TH1 THERMISTOR for COMPRESSOR R38 6 8K F C26 16V 10 F 5V C22 16V 10 F C21 16V 10 F R21 6 8K F R20 6 8K F C15 10V 220 F R10 6 8K F R8 2 7K F R9 1 00K F D2 1 2 3 1 2 3 5V C23 50V 1 F PST 993D IC3 OSC1 10MHz 5V 5V C17 10V 100 F F R46 10K R34 10K NC NC 5V 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 32 31 30 29 28 27 26 25 24 23 22 21...

Page 13: ...M PTC1 TO TRANSISTOR MODULE QM1 SHORT WIRE T5 DB1 BLACK C5 NR2 WPE3 R2 R1 CT1 3A 250V RY1 CNR1 WINTER KIT OPTION T11 GRAY T10 T9 WPE2 10A 250V BLUE YELLOW IPM 13V R33 R32 R31 R30 R29 R28 BCN11 IPM JP2 C32 C10 R40 R39 JP20 JP1 R46 R34 JP14 JP15 JP16 JP12 LED1 JP10 Q3 C33 Q1 C1 SA1 D6 JP9 JP8 JP7 JP4 JP6 JP5 JP3 IC2 C11 C16 JP21 JP17 JP18 R41 FAN MOTOR CN3 1 5 10 12 E J V W2 IPM RED BLUE T7 CB T8 CB...

Page 14: ...ove Final setting 1 C 1 C Stops Timer set time 1 hour Timer operation starts Room temperature the changeover judgement room temp will also be shifted within the range of 2 C 1 4 ON timer The ON timer is set by pressing the ON timer button In order to attain the set temperature at the set time the operation starting time is corrected by fuzzy computing one hour before the set time 1 5 OFF timer The...

Page 15: ... When the unit is not running the display changes between indoor temperature and no display Indoor temperature is the temperature of the suction air measured by the room thermistor and outdoor temperature is that measured by the outdoor temperature thermistor When indoor temperature is displayed the indoor LED on the main unit is lit and when outdoor temperature is displayed the outdoor LED is lit...

Page 16: ...S a sensor output voltage and VC a sensor power supply voltage Their relation is expressed in the following formula When the air contamination level increases the value of the sensor resistance RS drops which also lowers the value of the sensor output voltage While detecting contamination the microcomputer outputs the following pulse to the transistor Q8 which drives the heater with the built in o...

Page 17: ...peration of the microcomputer When the air conditioner is power on the microcomputer starts operating and after 1 minute starts detecting the air contamination 4 Switching sensitivity of the odor sensor The sensitivity of the odor sensor can be adjusted when the sensor is too responsive or unresponsive It is set as standard at the factory Sensitivity is divided into three levels high standard and ...

Page 18: ...UT INDICATOR PANEL The indicator panel will change each time you press the DISPLAY button in the following manner The room temperature and POWER MONITOR are displayed The outdoor temperature and POWER MONITOR are displayed No display POWER MONITOR When the room temperature or the outdoor temperature is displayed the POWER MONITOR will light up in 4 levels for COOL mode 3 levels for DRY mode to ind...

Page 19: ...RATION or REFRESHING OPERATION PLASMACLUSTER AUTO AIR CLEAN REFRESHING CANCEL In the AIR CLEAN operation the blue PLASMACLUSTER lamp on the unit will light up In the REFRESHING operation the green PLASMACLUSTER lamp on the unit will light up TO CANCEL Press the PLASMACLUSTER button until PLASMACLUSTER symbol on the remote control display goes off The PLASMACLUSTER lamp on the unit will turn off NO...

Page 20: ...foul air Air Clean Operation and Refreshing Operation will be selected and be performed automatically depending on the air foul degree Air Clean Operation will be performed when the air is detected to be foul Refreshing Operation will be performed when the air is clean SELF CLEAN OPERATION Plasmacluster Operation will be performed with FAN mode in order to reduce the growth of mold fungus and dry ...

Page 21: ... the outdoor unit will remain stopped until reset is performed At this time the 3 minute delay for control of the outdoor unit will not function therefore do not cancel by removing the plug and cutting the power 2 DC overcurrent detection AC overcurrent detection To protect against overcurrent due to sudden changes in load the compressor is stopped if the set value AU S32DP2 47A AU S22DP2 S25DP2 2...

Page 22: ... the power transistor module Also stops the compressor if the temperature of the power transistor module is exceeds 105ϒ C Lowers the operating frequency if the compressor AC current exceeds set valve Show 2 2 1 AC peak control Stops the compressor if the current exceeds at 40Hz or less set valve Stops the compressor if the compressor AC current exceeds 2 7A immediately after activating the compre...

Page 23: ...s Stops the compressor if the operating frequency is above 70 Hz and the compressor current is below 1 0 A Turns the compressor relay off if the indoor unit does not receive a serial signal from the outdoor unit for 8 minutes Stops the compressor if the outdoor unit does not receive a serial signal from the indoor unit for 30 seconds Stop operation The reason that the fuse operation is by connecti...

Page 24: ...outdoor compressor thermistor TH1 short 1 Replace the outdoor control board assembly Current transformer wire break 1 Reattach 2 Replace the outdoor thermistor assembly 1 Replace the outdoor thermistor assembly 1 Clear the discharge outlet 2 Assure power supply voltage 3 Refill to rated amount 4 Replace the outdoor ther mistor assembly 5 Replace the indoor control board assembly or only TH2 1 Appl...

Page 25: ...rator circuit error 1 Check the wiring between units 1 Check the wiring between units 1 Check the wiring between units 2 Check the fuse in the outdoor unit 3 Indoor control board 4 Outdoor control board 1 Check the wiring between parts 2 Indoor control board 3 Hi voltage unit 1 Rewire 2 Replace the control board 3 Replace the Hi voltage unit 1 Rewire 1 Rewire Indoor fan out of order 1 Is the fan m...

Page 26: ...rd Color No Connector Compressor thermistor Heat exchanger pipe thermistor Outdoor temp thermistor TH1 TH2 TH3 No 1 to 2 No 3 to 4 Red Orange No 5 to 6 Green Microcomputer terminal Input signal To Outdoor control board Adaptor C14 GND R17 Pin No 43 Pin No 42 0 1 0 Low input 1 High input K Heat exchange thermistor TH2 orange 25ϒ C resistance 15 K Room temperature thermistor TH1 yellow 25ϒ C resista...

Page 27: ...at each part and pressure in 3 way valve Operation mode Model Cool Max 1 2 3 4 3 way valve pressure MPaG 85 C 40 C 12 C 5 C 0 44 89 95 C 38 C 12 C 8 C 0 45 101 83 C 42 C 14 C 5 C 0 46 97 68 C 40 C 13 C 7 C 0 55 60 settle 68 C 42 C 15 C 9 C 0 60 60 settle Cool Cool Max Cool Cool Max Cool 68 C 41 C 14 C 8 C 0 63 60 settle No Hz Dimension of Capillary tube AH S22DP2 AH S25DP2 AH S32DP2 Model ø2 7 ø2 ...

Page 28: ...10 12 14 800 1000 1200 1400 Running frequency 101Hz Cooling capacity kW Outside air temp C Input W Outlet air temp C Figure P 2 At Cooling for AH S25DP2 Figure P 3 At Cooling for AH S32DP2 25 30 35 40 2 5 2 7 2 9 3 1 10 12 14 600 800 1000 1200 Cooling capacity kW Outside air temp C Input W Outlet air temp C Running frequency 89Hz 25 30 35 40 3 6 3 8 4 0 4 2 10 12 14 1000 1200 1400 1600 Cooling cap...

Page 29: ...he screw fixing the cord clamp Note During reassembly install the holder after installing the front panel This will make it easier to assemble the front panel 4 Close the open panel Pushing the nail of the front panel 5 Pull the front panel up 6 Remove the unit to unit wiring from the terminal board 7 Remove a screw fixing the control box cover and remove it 8 Remove a screw fixing the ground wire...

Page 30: ...ctors 11 Remove the thermistor holder from the evaporator 12 Remove the display from the drain pan 13 Remove the screw fixing the pipe holder 14 Remove 3 screws fixing the control box and remove the control box 15 Remove a screw fixing the drain pan 16 Pull drain pan toward you CN1 CN6 CN3 CN2 ...

Page 31: ...he cabinet 20 Remove 2 screws fixing the motor cover and pull up the fan 21 Loose a screw fixing fan Cautionary points for assembling the fan a When inserting the motor shaft into the metal fan boss take care to prevent injuring the inner surface of the metal fan boss b Before fastening the motor shaft and fan insert the motor shaft into contact with the bottom of the metal fan boss Fan motor Moto...

Page 32: ...he center of the front panel 2 After the left half is inseted completely press the display cover and snap in the 3 hooks on the right How to remove the control box 2 Remove the screw fixing the terminal board 1 2 1 Remove the photo detector unit Press and spread the upper hook and the photo detector unit will be ready for removal 3 Remove a screw fixing the cord holder 4 Remove 2 screws fixing the...

Page 33: ...flect the louver and unhook it from the hinge Remove the shaft from each of the left and right sides Drain pan Drain Hose Groove Projection To disconned To reconnect How to remove the HI VOLTAGE UNIT 1 Remove the HIGH VOLTAGE UNIT Press and spread the hook and HI VOLTAGE will be ready for removal How to remove the DUST SENSOR the THERMISTOR and the GAS SENSOR Remove the DUST SENSOR the THERMISTOR ...

Page 34: ...oose a screw fixing the side cover 2 Loose the unit to unit cord 3 Loose a screw fixing the cord clamp 4 Loose 4 screws fixing the top panel 5 Loose 6 screws fixing the front panel 6 Cut 2 nylon bands 7 Disconnect terminals as following Reactor 2 terminals Fan motor Thermistor Right side view Left side view Right side view Left side view Front view ...

Page 35: ...the terminal cover of compressor 9 Disconnect 3 terminals 10 Loose 4 screws fixing the control box 11 Take out the control box DISASSEMBLING PROCEDURE OF THE FAN 1 Loose the fan nut and fan can take out 2 Fan motor is secured by 4 screws Loose ...

Page 36: ... Push the arrow marked of the panel firmly to lock it in place DUST COLLECTION FILTER gray Set the black side facing upward Filter stopper DEODORANT FILTER green Filter stopper 2 1 3 3 1 2 HOW TO REPLACE THE DUST COLLECTION FILTER AND DEODORANT FILTER Precautions The dust collection filter and the deodorant filter are packed as accessory of this unit During operation of the air conditioner the fil...

Page 37: ...ary at the interval of 3 years as the deodorising effect will deteriorate The new filters are available at your nearest dealer Replacement filter Type AZ F910C CHANGING THE DUST COLLECTION FILTER GRAY The filter should be changed every 3 6 months 1 REMOVE THE AIR FILTERS 2 CHANGE THE DUST COLLECTION FILTER 1 Take off the old dust collection filter from the air filters 2 Set the new dust collection...

Page 38: ...et insulator AH S22DP2 AH S25DP2 1 AH 1 30 QW VZE013JBZZ Lead wire for Louver motor Upper 1 AG 1 31 GWAK A271JBFA Front panel 1 AV 1 32 PCOV A614JBFZ Drain cover 1 AG 1 33 TLABCB794JBRZ Wiring diagram 1 AF 1 34 QW VZD893JBZZ Lead wire for Louver motor Lower 1 AG 1 35 LHLD A303JBFA Tube cover 1 AD 1 36 PSEL C125JBEZ Panel insulator 1 AF 1 37 PFPFPB971JBEZ Sheet 1 AA 1 38 PSPA A154JBEZ Rubber spacer...

Page 39: ...puter IC1 1 AU 2 49 CKITTA002JBKZ Hi voltage unit ass y 1 BA CYCLE PARTS 3 1 CPIPCA678JBKZ Tube ass y AH S22DP2 AH S25DP2 1 BG 3 1 CPIPCA679JBKZ Tube ass y AH S32DP2 1 BH 3 2 PSEN A005JBKZ Flare nut ass y 1 4 1 AG 3 3 PSEN A004JBKZ Flare nut ass y 3 8 AH S22DP2 AH S25DP2 1 AE 3 3 PSEN A016JBKZ Flare nut ass y 1 2 AH S32DP2 1 AR 3 4 PVLV 0341JBE0 Flare Union 1 4 1 AG 3 5 PVLV 0342JBE0 Flare Union 3...

Page 40: ... 29 1 3 1 26 4 6 1 22 1 1 1 12 1 32 1 2 1 50 1 51 2 1 3 1 2 53 2 57 3 2 3 5 3 3 3 4 5 1 1 38 1 7 2 13 2 2 2 18 2 14 1 21 4 3 4 4 2 6 2 8 2 7 1 16 1 30 1 19 1 19 1 13 1 20 1 14 2 54 1 37 1 13 1 11 1 17 1 10 1 6 1 27 6 1 6 2 1 24 1 25 1 47 1 31 1 44 1 15 1 28 1 33 1 36 1 25 2 10 2 43 1 42 1 34 1 8 2 58 2 56 2 49 1 49 2 9 1 8 1 9 1 9 1 41 2 55 4 7 4 5 4 8 2 3 2 19 2 12 2 11 4 13 4 12 4 9 4 11 4 10 1 ...

Page 41: ... 25 PSHE A190JBEZ Protect sheet 1 AL 1 26 PSEL C061JBEZ Insulator 1 AE 1 27 PSPA A144JBE0 Spacer 2 AC 1 28 RFIL A064JBE0 Ferrite core 4 AF 1 29 QW VZD858JBZZ Lead wire T6 PTC1 1 AE 1 30 QW VZE011JBZZ Lead wire L1 T6 1 AF 1 31 QW VZD857JBZZ Lead wire Earth 1 AC 1 32 QW VZD868JBZZ Lead wire MRY1 DB1 1 AG 1 33 QW VZD861JBZZ Lead wire MRY1 PTC 1 AF 1 34 QW VZD949JBZZ Lead wire DB1 C8 1 AE 1 35 QW VZD8...

Page 42: ... C062JBEZ Box insulator 1 AG 2 33 CHLD A093JBK0 Holder assembly 1 AL 2 34 PSEL C121JBEZ Side cover seal 1 AC 2 35 PSEL C120JBEZ Side cover seal 1 AC 2 36 JHNDPA011JBFA Holder 1 AS 2 37 LPLTPA026JBFA Cord clamp plate 1 AC CYCLE PARTS 3 1 PSPF A797JBEZ Compressor cover 1 AM 3 2 DCPY A219JBKZ Capillary tube assembly AU S22DP2 S25DP2 1 BE 3 2 DCPY A237JBKZ Capillary tube assembly AU S32DP2 1 AS 3 3 PC...

Page 43: ...P20JS0 Machine screw for IPM 2 AB 4 10 LX NZA135JBE0 Special nut for propeller fan 1 AC 4 11 XBPSD40P20J00 Machine screw for DB1 DB2 2 AA 4 12 XCTSD40P12000 Tapping screw for Terminal board ass y angle for capacitor clamp 2 AA 4 13 XTPSD30P12XS0 Tapping screw 3mm x 16mm for PWB assembly 2 AC 4 14 LX BZA292JBEZ Tapping screw for Top cover 8 AA 4 15 XTTSD40P16000 Tapping screw for Heatsink 1 AA 4 16...

Page 44: ...5 1 54 4 12 1 10 1 25 4 6 1 19 1 5 4 17 1 27 4 1 4 1 4 9 1 13 1 11 4 11 1 12 1 22 4 7 1 14 1 47 1 24 4 12 3 16 2 11 2 12 4 14 4 1 4 1 4 2 4 2 2 7 4 1 4 1 4 14 4 1 4 5 1 17 3 2 2 16 4 15 2 36 4 1 4 1 4 4 2 2 1 1 2 18 4 10 2 1 4 14 2 5 4 1 2 8 2 32 2 21 2 22 1 17 4 3 4 14 2 15 2 35 2 34 2 24 2 26 2 27 4 14 4 14 2 37 1 21 4 4 4 1 6 2 Front side 6 1 6 3 AU S32DP2 3 21 3 9 1 16 2 17 3 11 3 10 1 16 3 11...

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