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AH-M098E
AU-M188E

SHARP CORPORATION

MULTI SPLIT SYSTEM

ROOM AIR CONDITIONERS

INDOOR UNIT

AH-M098E

MODEL

TABLE OF CONTENTS

Page

SPECIAFICATIONS ............................................................................................................................................................. 2
EXTERNAL DIMENSIONS ................................................................................................................................................... 3
WIRING DIAGRAMS ............................................................................................................................................................ 4
ELECTRICAL PARTS .......................................................................................................................................................... 5
MICROCOMPUTER CONTROL SYSTEM .......................................................................................................................... 6
TROUBLE SHOOTING OF CONTROL CIRCUIT .............................................................................................................. 14
REFRIGERATON CYCLE .................................................................................................................................................. 19
DISASSEMBLING PROCEDURE ...................................................................................................................................... 20
TROUBLESHOOTING OF THE CONTROL CIRCUIT ...................................................................................................... 21
REPLACEMENT PARTS LIST ........................................................................................................................................... 25

AU-M188E

OUTDOOR UNIT

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.

(2 INITS)

SERVICE MANUAL

S8862AHM098E/

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Summary of Contents for AH-M098E

Page 1: ...ONTROL SYSTEM 6 TROUBLE SHOOTING OF CONTROL CIRCUIT 14 REFRIGERATON CYCLE 19 DISASSEMBLING PROCEDURE 20 TROUBLESHOOTING OF THE CONTROL CIRCUIT 21 REPLACEMENT PARTS LIST 25 AU M188E OUTDOOR UNIT 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 2 INITS SERVI...

Page 2: ...ube size Outer dia mm 2 7 Inner dia mm 1 5 Lenght mm 700 Q ty 2 Noise level High dB A 37 53 54 Med dB A 33 Low dB A 29 Fan system Drive Direct drive Direct drive Air flow quantity High m3 cft min 6 8 42 Med m3 cft min 5 7 Low m3 cft min 4 8 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 24T5F 5m 16 4...

Page 3: ...AH M098E AU M188E EXTERNAL DIMENSIONS Figure E 2 OUTDOOR UNIT 27 275 617 20 70 135 210 275 637 945 297 890 260 55 590 150 Figure E 1 INDOOR UNIT 270 790 150 1800 Remote controll 58 19 5 182 Length unit mm ...

Page 4: ... RE BL YE BK BR RE OR WH GR G Y BLUE YELLOW BLACK BROWN RED OR WHITE GRAY GREEN YELLOW WH OR RUNNING CAPACITOR B 370V 25µF R COM PRESSOR MOTOR S G Y SURGE ABSORBER A SURGE ABSORBER B TERMINAL BOARD OUTDOOR UNIT OVERLOARD RELAY C WH RUNNING CAPACITOR A COMPRESSOR MOTOR 460V 4µF OVERLOAD RELAY 370V 25µF BASIC DIAGRAM UNIT TO UNIT CORD UNIT TO UNIT CORD BASIC DIAGRAM INDOOR UNIT B TERMINAL BOARD INDO...

Page 5: ...or 2PS154D3AA01 220 240V 50Hz 700W AU Indoor fan motor ML A411 220 240V 50Hz AH Outdoor fan motor ML A457 220 240V 50Hz AU Indoor fan motor capacitor 400V 1µF AH Outdoor fan motor capacitor 460V 4µF AU Running capacitor 370V 25µF AU Transformer Primary AC 220V 50Hz AH Secondary AC16 1V 50Hz Fuse 250V 2 5A AH ...

Page 6: ...6 AH M098E AU M188E Figure L 1 Electronic Control Circuit Diagram MICROCOMPUTER CONTROL SYSTEM ...

Page 7: ...7 AH M098E AU M188E Figure L 2 1 Printed Wiring ...

Page 8: ...8 AH M098E AU M188E Figure L 2 3 Printed Wiring Board of Switch Unit Figure L 2 2 Printed Wiring Board of Receiver LED Unit ...

Page 9: ...sor operation This room temperature is set as the preset temperature automatically The preset temperature ranges from 18 C to 32 C When the room temperature is below 18 C the preset temperature is set to 18 C and when the room temperature is over 32 C the preset temperature is set to 32 C Dry operation is divided into three zones Cooling zone Dehumidifying zone and Circulating zone by thermostat l...

Page 10: ...eration FAN ONLY The indoor fan motor always turns on 4 Freeze preventive When the indoor pipe temperature falls below 1 C during cool operation or dry operation the compressor is stopped 5 Test run If the TEST RUN button in the unit is pushed during suspension of operation cool test operation starts At this time the fan speed is set to AUTO If this button is pushed during operation the test opera...

Page 11: ...c air conditioning is selected the operation mode and preset temperature are set automatically according to the room temperature on starting operation Table H 3 Room temperature Operation Preset of operation start Mode temperature Above 28 C 26 C 26 to 28 C COOL 25 C 24 to 26 C 24 C Below 24 C DRY Room temperature at operation start 8 Automatic fan speed control If the automatic fan speed is selec...

Page 12: ...period becomes shortened In this test mode the control times are shortened as follows The operation LED flicker s period in Test run not shortened The protector timer The protector timer Other controls 1 60 ex 3 min to 3 sec ON OFF 1sec 1sec 4sec Timer LED yellow 13 2 TEST 2 For output of each operation checking Keep pushing both the buttons AUX and TEST RUN and supply the power the system will go...

Page 13: ...OFF OFF OFF OFF OFF OFF OFF OFF ON 1 2 3 4 4 1 2 3 7 C Room temp 42 C ON 7 C Room temp or Room temp 42 C OFF 2 C Pipe temp 42 C ON 2 C Pipe temp or Pipe temp 42 C OFF When the Power on start is effective timer LED yellow is OFF ON ON ON ON OFF ON ON ON ON ON ON ON ON ON OFF OFF OFF ON OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF ON OFF ON ON ON OFF OFF OFF OFF ON ON ...

Page 14: ... all with remote controller and switches on the indoor unit Using a tester measure the voltage between terminal 1 and 2 of connector CN2 of Indoor s P W B ass y Is the measured value approx 16 0 Vac Replace the Indoor P W B ass y with a new one Is the 2 5A fuse down Replace the fuse and varistor with new ones Replace the transformer with a new one Å ...

Page 15: ...ctor CN101 CN6 connect in place Using a tester measure the voltage between terminals of resistor R15 on the P W B ass y Push the button OI Are batteries of the wireless remote controll proper Replace the batteries with new ones Replace the wireless remote controll When the signal is received does the voltage change Replace the Indoor P W B ass y with a new one P W B ass y is normal Inspect the out...

Page 16: ...Is the voltage between terminal N and 1 of the terminal board the power supply voltage Are the resistances conformed Fig 1 Replace the thermistor ass y with a new one NO YES YES NO Replace the Indoor s P W B ass y with a new one 0 20 40 60 80 100 120 140 160 180 K 0 10 20 30 40 C 10 CHARACTERISTIC OF TH1 TH2 Fig 1 10 C 30K Using a tester measure voltage at the terminals on the terminal board A ...

Page 17: ...or unit B Service port Service port OUtdoor unit Evaporator Evaporator Flare coupling Flare coupling Flare coupling Muffler Flare coupling Strainer Condenser Compressor A Capillary tube Strainer Compressor A Capillary tube Flare coupling Flare coupling Flare coupling Flare coupling 3 3 1 1 4 4 2 2 S S Accumulator Accumulator Muffler ...

Page 18: ...Outdoor side Cooling Temperature C Relative humidity Temperature C 27 47 35 40 Relative humidity Dimension of Capillary tube O D I D L Capillary tube ø 2 7 ø 1 5 700 1 unit running 73 C 42 C 12 C 7 C 0 50MPa ISO Cooling Service port pressure Gauge pressure 1 2 3 4 2 unit running 71 C 41 C 12 C 6 C 0 50MPa Cooling ...

Page 19: ...KW 500 16 15 Input W 14 13 12 11 10 9 8 Outside air temp C Outlet air temp C 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 Power source 1Ø 220V 50Hz Indoor air temp 27 C Indoor humidity 47RH Indoor fan speed Hi 5100 6800 8500 10200 11900 Cooling capacity BTU h 2000 1 5 2 0 2 5 3 0 3 5 KW 1000 Input W Outside air temp C Outlet air temp C 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 Power source 1Ø 220V 50Hz 4...

Page 20: ... length and level difference between the indoor and outdoor units STANDARD PEERMISSIBLE LENGHT PEERMISSIBLE LEVEL DIFFERENCE PIPE SIZE 3 8 1 4 7m 23 0ft 5m 16 4ft GAS LIQUID The shorter the refrigerant pipe the higher the machine capability Keep the pipe as short as possible ...

Page 21: ...FROM THE POWER SUPPLY BEFORE ANY SERVICING 1 Set the vertical adjustment louver horizontally and open the panel Loose fixed 3 screws 3 Take out the control cover 4 Loosen a screw and take out the cord holder 2 Take out the front panel ass y 5 Cut the nylon band 6 Disconnect fan motor connecters and others ...

Page 22: ...rth screw 10 Loosen a screw fixing drain cover and take it out 11 Loosen a screw fixing drain pan ass y Right side 8 Loosen 4 screws fixing control box 9 Take out the contorol box ass y 12 Loosen 2 screws fixing drain pan ass y Left side ...

Page 23: ... out the drain pan ass y 14 Loosen 2 screws fixing evaporator 15 Lift up the evaporator 16 Loosen 2 screws fixing fan motor holder and take out fan motor and cross flow fan 17 Loosen a screw connecting cross flow fan to fan motor ...

Page 24: ... one screw holding the control cover to the cabinet and pull it out 3 Loosen the screw holding the right side plate 4 Remove the another screw holding the right side plate and pull it out 5 Remove the screws holding the left and right side of the cabinet 6 Lift up and remove the cabinet 7 Remove the one nut holding the fan to the fan motor shaft now the fan is free 8 Remove the three screws holdin...

Page 25: ...E0 Sheet spring for fixing evaporator seat 2 AB 1 44 LHLD A209JBFA Front panel hinge R 1 AF 1 45 LHLD A208JBFA Front panel hinge L 1 AD 1 46 PBOX A120JBK0 Louver gear assembly 1 AZ 1 47 NBRG A010JBFB Louver bushing 2 AA 1 48 PSHE A098JBE0 Evaporator seal 1 AC 1 49 TLABPA175JBR0 Louver seal 1 AB CONTROL BOX PARTS 2 1 FPWBFA015JBK0 Display board unit 1 AW 2 2 FPWBFA013JBK0 Switch board unit 1 AM 2 3...

Page 26: ...OSC 1 AD 2 37 QFS AA013JBE0 Fuse 250V 2 5A 1 AC CYCLE PARTS 3 1 CPIPCA297JBK0 Pipe assembly 1 BE 3 2 PEVA A244JBE0 Evaporator 1 BS ACCESSORY PARTS 4 1 LX NZ0247JBE0 Wall plug fixing Mounting plate 7 AB 4 2 XTTSD45P30000 Screw for Wall plug 6 AA 4 3 CRMC A469JBE0 Wireless remote controller 1 BH 4 4 LX BZA106JBE0 Special screw 1 AD 4 6 TINSEA209JBR0 Operation manual 1 BA 4 7 PPLTNA022JBP0 Mounting p...

Page 27: ... 42 3 2 3 1 4 7 1 41 1 19 1 43 2 10 1 2 1 15 2 14 2 15 2 3 2 13 2 2 2 18 2 1 2 7 2 12 2 9 4 2 4 1 4 6 4 4 4 3 4 9 4 11 4 12 2 20 1 3 1 10 1 8 1 12 1 7 1 36 1 9 1 6 2 10 1 4 1 46 1 47 2 11 6 1 1 40 1 37 1 5 1 49 1 33 1 21 1 32 2 17 6 2 1 39 1 38 1 25 1 45 1 20 1 50 1 1 1 26 1 22 1 34 1 23 2 4 2 8 2 5 2 16 2 19 1 44 ...

Page 28: ... 2 10 TLABCB105JBR0 Wiring diagram 1 AD 2 18 RC HZA220JBE0 Fan motor capacitor 1 AQ 2 26 RH VZA018JBE0 Surge absorber 2 AQ 2 29 RRLY A003JBE0 Relay 2 AV CYCLE PARTS 3 1 PCMPRA106JBE0 Compressor 2 CE 3 2 PCON A397JBP0 Condenser 1 CG 3 3 DVLV A271JBK0 2 Way valve assembly Liquid side 2 BF 3 4 PSEN A004JBK0 Flare nut assembly 2 AE 3 7 DVLV A272JBK0 3 Way valve assembly Gas side 2 BF 3 8 PSEN A005JBK0...

Page 29: ...H OUTDOOR UNIT FOR MODEL AU M188E 1 8 1 16 3 4 6 1 6 1 2 10 1 7 3 3 3 4 3 3 3 8 3 3 3 8 3 7 3 9 3 9 1 6 1 14 1 17 2 2 3 19 3 18 3 17 3 17 3 21 2 1 3 15 2 1 3 15 3 19 3 18 2 3 3 13 3 11 3 22 3 16 3 14 3 1 2 9 2 26 2 29 2 4 2 18 2 8 2 6 1 5 1 1 1 4 1 2 1 3 6 2 1 9 1 12 1 10 1 15 ...

Page 30: ...30 AH M098E AU M188E ...

Page 31: ...31 AH M098E AU M188E ...

Page 32: ...32 AH M098E AU M188E 98 SHARP CORP 8U0 20E Printed in Japan ...

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