Samsung AP500PF Service Manual Download Page 1

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SERVICE

Manual

CONTENTS

AIR CONDITIONER

1. Pre c a u t i o n s

2. Product Specifications

3. Operating Instructions and

I n s t a l l a t i o n

4. Disassembly and Reassembly

5. Tro u b l e s h o o t i n g

6. Exploded Views and Parts List

7. Block Diagrams

8. PCB Diagrams

9. Wiring Diagrams

10. Schematic Diagrams

ROOM AIR CONDITIONER

A P 5 0 0 P F

Summary of Contents for AP500PF

Page 1: ...ions 2 Product Specifications 3 Operating Instructions and Installation 4 Disassembly and Reassembly 5 Troubleshooting 6 Exploded Views and Parts List 7 Block Diagrams 8 PCB Diagrams 9 Wiring Diagrams 10 Schematic Diagrams ROOM AIR CONDITIONER AP500PF ...

Page 2: ...e connection of the electric cord Never attempt to make an intermediate connection by cutting the middle area of the electric cord or make a connection to the power receptacle as it is very dangerous causing problems or fire 7 Checking of insulation Be sure to check the insulation resistance after completion of the assembly work Check whether the insulation resistance of the electric wire and grou...

Page 3: ...x Step g Width x Height x Depth Width x Height x Depth Width x Height x Depth Width x Height x Depth Width x Height x Depth Turbo High Medium Low Construction Fin Capillary tube No of polarities Capacitor RPM Type Construction Fin Maker Model Type Capacitor OLP No of polarities Capacitor RPM Type High pressure side Low pressure side Unit Packed Unit Packed Packed Unit Packed Unit Packed Packed Ind...

Page 4: ...2 2 Samsung Electronics Unit mm 400 590 930 385 2 2 Dimensions ...

Page 5: ...rent temperature Turbo operating compressor and powerful operating fan motor 30minutes Reserve function which is off after on time of 1 2 3 4 or 5 hours Displayed at the time of indoor temperature sensor open or short Auto cool fan lamp Selection of fan speed Low medium high lamp Selection of airflow Left right lamp Current temperature Indoor temperature display Desired temperature Desired tempera...

Page 6: ...button ON one time the time is decreased by 1 minute If the on button is pressed continuously the time is decreased by 10 minutes One short and continued operation Change of display The temperature and current time can be changed TACT If the on key is pressed 1 time current temperature and desired temperature are displayed If the on key is pressed 1 time current time is displayed Operating functio...

Page 7: ...perature During current temperature display ON lamp During current time and time display OFF Desired temperature During desired temperature display ON lamp During current time and reserve time display OFF Fan speed display During on operation ON lamp During off operation OFF Current time lamp During current time display ON During reserve time and temperature display OFF Turbo lamp During turbo ope...

Page 8: ...nvenience to your neighbors when installing the unit on the borderline with your neighborhood A place where strong wind does not head against the air outlet of the outdoor unit If a strong wind heads directly against the air outlet at the time of cool operation a safety device can be operated Do not install the outdoor unit at an unstable place such as outer wall of an apartment or build ing The o...

Page 9: ...pe wiring as it can cause a drop in voltage thus resulting in poor performance of the automatic control circuit Be sure to install circuit breaker separately purchased by the user Be sure to connect the grounding wire Electric power spec CAUTION Be sure to use the wires and switches or fuses of power distribution board are qualified and fulfill the specification Be sure to install knife switch or ...

Page 10: ... white black on indoor and out door unit respectively OUTDOOR SIDE Power terminals on the outdoor unit Red Red White Black Black Green Knife switch or automatic circuit breaker Electric input wires Indoor outdoor unit connecting wire CAUTION Be sure to connect electrical wires correctly if not it can cause a trouble Be sure to fix wires from to the indoor and outdoor unit on the piping insulated A...

Page 11: ... connecting wire 1 Remove cover of electric box on side panel of outdoor unit 2 Connect electric input wires R S T to each terminal R S T of the electric box on outdoor unit respectively Input wires are purchased by the user separately 3 Connect electric wires red white black to each terminal red white black on indoor and out door unit respectively 3 2 2 b When connecting 3Phase 3wires 220V AC Whi...

Page 12: ...pressure pipe to the heat exchanger gas pipe respectively using the flare nut taking care not to cause any leakage of refrigerant 4 Be sure to insulate the pipe with appropriate insulation material 5 Insert the drain hose into the drain pipe and connect them by tying them to the cable tie to pre vent any water leakage 6 After completion of the installation check the connecting area for any gas lea...

Page 13: ...are to perform bending of the pipe successfully at one time Bending and unbending the pipe more than twice makes the bending work increasingly difficult 3 You may use the spring inserted into the gas pipe instead of the bender to bend the pipe 4 When you bend the pipe using the spring hold the pipe with both hands to prevent any distor tion and secure a minimum bending radius of more than 100mm Al...

Page 14: ...ial Insulator Vinyl Chloride Outer diameter ø 16mm Foamed Polyethylene The piping of this unit can be connected to the left and rear side When you hit the area for piping connection slightly with a hammer a hole is made If there is any reason to change connection fill in hole with ruber cabi slot Holes for piping connection 2 points CAUTION 1 As the draining is of natural drain type make the drain...

Page 15: ...1 2 3 Indoor unit Inlet grille Main PCB 1 Open the inlet grille and remove the connection ring 1 Separate the PCB connect wire after separating the control box cover 2 Separate the connection wire to separate the front cover and duct 3 The main PCB should be separated by turn over the mountain tab ...

Page 16: ...amsung Electronics No Parts Procedure Remarks 4 5 Font cabi Plate top 1 The front cabi should be separated by giving strength downward after loosening 2 screws at the lower end 1 The plate top should be separated by loosen ing screws ...

Page 17: ...ks 6 7 Ass y grille out Ass y duct 1 First loosen screws at left and right sides of grille out 2 Then the ass y grille out should be separated by giving strength upward 1 First loosen the 4 screws at left and right sides 2 Then the ass y duct should be separated by lifting it ...

Page 18: ...ectronics No Parts Procedure Remarks 8 Evaporator 1 First separate the cover after loosening the screws fixed at evap cover R 2 Ten separate the 3 screws fixed at cabinet BKT of evaporator BKT 3 Evaporator should be separated by flinging ahead ...

Page 19: ...he 2 bracket should be sepa rated first 2 Then the bolts fixed at the blower and motor shaft should be separated 3 Then the screws binding the holder top blow er and duct should be separated 4 The duct of one side should be separated as the picture shows after loosening the upper binder 5 The binder of the motor and the duct should be separated ...

Page 20: ...assembly No Parts Procedure Remarks 10 Panel PCB 6 Then the motor should be separated 7 The bracket fixed at the motor should be sep arated 1 Should be separated after loosening the insu lating material and binders at the back of the front side ...

Page 21: ...Unit No Parts Procedure Remarks 1 2 Outdoor unit Control box 1 Packaged air conditioner outdoor unit 2 The binders of the front side should be sepa rated 3 The flank and the binders should be separat ed from each other 1 Connect distributed wires in the control box ...

Page 22: ...essor level than the room temperature Normal operation is possible only after an elapse of 3 minutes even when applying the initial power 2 The fan speed cannot be controlled The fan speed is automatically set at the during auto or turbo operation MICOM during auto and turbo operation 3 The temperature is not set during auto The desired temperature is automatically set at the MICOM fan or turbo op...

Page 23: ...urn it on in 5 seconds Is the voltage or the power trans AC 18V 21V secondary side CN11 normal Is the output voltage of REG1 and REG2 normal REG1 12V REG2 5V Is the output wave at the MICOM IC1 pin No 33 40 a square wave Is the output wave at IC4 pin No 13 18 a square wave Is the harness between the main PCB and panel PCB well connected LED display or panel PCB defective Is the room temperature di...

Page 24: ...w at the IC3 pin No 11 12 and 13 Thenreplacetherelaywhenresistanceis0 ori Checktheresistancelevelafter turningoffthepower Operate the on off button and operation mode key and place it in the FAN position Does the airflow volume of the indoor fan motor change when converting into high medium and low by the FAN speed key Do the RY3 high RY4 medium and RY5 low operate when converting into high medium...

Page 25: ... when the resistance is 0Ω or Then check and replace the MICOM IC1 Then check and replace the IC 3 Is it low when checking the output wave of the IC 3 No 16 Check and measure the resistance value after turning off the power Check whether the relay RY1 is turned on and the com pressor is operated in 3 minutes after starting the COD operation by activating the on off button and operation made key Is...

Page 26: ...unit sound a beep and stop when pressing the on of button on the remote control Is the panel PCB connector CN2 properly connected to the main PCB connector CN91 Is the voltage of the battery over DC 2 5V Is the unit normally operated when pressing the on off button after replacing the remote control Is the receiving wave of the MICOM IC1 No 2b a square wave Check and replace the MICOM IC1 Then rep...

Page 27: ... supply voltage Check the supply voltage 1 Power cord faulty poor connection 2 When power lamp and LED display 1 Is the voltage between both of indoor and outdoor unit fuse operate afterpressing the on off ends of the trans connector GT4 5 blown wrong wiring of power cables button it is not related to items AC187V AC 253V 2 Power trans faulty power circuit 1 4 2 The voltage between both faulty ter...

Page 28: ...Samsung Electronics 6 1 6 Exploded Views and Parts List 6 1 Indoor Unit ...

Page 29: ...ADE V LINK BLADE V CAM BLADE ASS Y MOTOR SWING HOLDER BLADE LOW ASS Y BLADE H HOLDER BLADE BLADE H ASS Y BLOWER IN ASS Y BLOWER IN HOLDER TOP BLOWER ASS Y CASE DUCT R COVER BELL MOUTH ASS Y CASE DUCT L BRACKET MOTOR IN ASS Y MOTOR IN ASS Y MOTOR IN BLOWER CASE CONTROL TRANS POWER ASS Y PCB MAIN CSVER CONTROL CASE ASS Y EVAP IN ASS Y EVAP IN COVER EVAP R ASS Y TUBE INLET PART ASS Y TUBE INLET PART ...

Page 30: ...Samsung Electronics 6 3 6 2 Outdoor Unit 6 2 1 Outdoor Unit ...

Page 31: ... OUT ASS Y MOUNT MOTOR OUT HOLDER FRAME ASS Y CONTROL OUT PARTITION ASS Y BASE OUT ASS Y VALVE 3 8 ASS Y VALVE ASS Y CABI OUT LW SD ASS Y CABI OUT UP SD INSU SOUND ASS Y COMP GROMMET MOUNT ASS Y CABI OUT B TUBE DISCHARGE SUCTION TUBE DRIER ASS Y COND UP ASS Y COND LOW ASS Y PLATE TOP SCREEN GUARD HANDLE SPECIFICATION WELD GUARD FAN SC 91438T AS GF20 D495 4BLADE AP 1100 OSM 6508SRC AP 1100 OSM 6508...

Page 32: ...0037A Description ASS Y CONTROL BOX OUT CAPACITOR START CAPACITOR OUT CAPACITOR OUT MAGNET CONTACTOR TERMINAL BOARD MAGNET CONTACTOR TRANS INDUCTOR TIMER DELAY CLIP CAPCITOR BUSH CONDENSOR Specification SGCC M Z Z 22 330VAC 130 156MFD 450VAC 40 4uF 450VAC 4uF 25A 600V 35 15A MUF20Ba1b 220VAC 20A 8 5mH 240VAC 0 7sec SGCC M Z Z 22 NR T2 0 BLK Q ty 1 1 1 1 1 1 1 1 1 1 1 Remark Exploded Views and Part...

Page 33: ... 1 2 3 4 5 6 CODE NO DB93 30026J DB61 10022A DB61 10011A DB73 20013A DB93 10463A DB64 40008J DB63 10081A Description ASS Y REMOCON CASE REMOCON UPP CASE REMOCON LW RUBBER BT ASS Y REMOCON PCB WINDOW REMOCON COVER BATTERY Specification AR C60 ABS ABS NBR AP 500PF PC T1 5 ABS Q ty 1 1 1 1 1 1 1 Remark ...

Page 34: ...e Timer lamp to indicate reservation Lamp to indicate present time Turbo lamp Operation of room switches On Off Temperature time high temperature time low Function selector Convenience reservation Cool selector Change indicator Workload operation Indoor fan motor low medium high turbo Left right motor Compressor Remote control receiver Lamp examiner On Off REMOTE CONTROLLER Left right turn Tempera...

Page 35: ...TDOOR UNIT Capillary Heat exchanger Evaporator Heat exchanger Condenser High Pressure S W Compressor 7 2 Refrigerating Cycle Block Diagram STD Pressure Piping Temp C UseTemp Condition C Operating Condition kg cm2 G T1 T2 Indoor Outdoor GAS SIDE DB WB DB WB Standard 4 5 5 5 40 45 9 12 27 19 35 24 Cooling Max over load 6 5 7 5 50 55 14 18 32 23 43 26 Low temp 3 4 30 35 1 4 21 16 21 16 Refrigerating ...

Page 36: ...Samsung Electronics 8 1 8 PCB Diagrams 8 1 Ass y Main PCB Code No DB93 10468A ...

Page 37: ...Y C FILM C FILM CONNECTOR WAFER CONNECTOR WAFER CONNECTOR WAFER CONNECTOR WAFER CONNECTOR WAFER CONNECTOR WAFER CONNECTOR WAFER FUSE HOLDER IC MCU M1COM IRESET IC IC LINEAR IC DRIVE TR SWITCHING TR GENERAL C VOLT REG IC VOLT REG SCREW TAPPING DIODE RECT DIODE SW RESONATOR BUZZER C ELECT C ELECT C ELECT C ELECT C CERAMIC C CERAMIC C CERAMIC R CARBON R CARBON R CARBON R METAL R CARBON R CARBON R CAR...

Page 38: ...Samsung Electronics 8 3 8 2 Ass y Panel PCB Code No DB93 10469A ...

Page 39: ... SW4 SW6 SW8 CN1 CN2 CN3 CN4 CN6 Specifition Description R CARBON C ELECT C CERAMIC MODULE REMOCON DIODE SW LED LAMP LED DISPIAY SW TACT CONNECTOR WAFER CONNECTOR WAFER CONNECTOR WAFER CONNECTOR WAFER CONNECTOR WAFER Q TY Remark 1 1 1 1 4 1 1 7 1 1 1 1 1 RD 1 4 T 103 J CE 04 C 16V 470 M CK OA 50V T 104 Z TSOP 1238 TB1 1N4148 1 2V LTL 4212 RED T P10 0 SSG 9405T 01 KPT 1115D SMAW250 10 WHT SMAW250 0...

Page 40: ... NAME SK1 SPARK KILLER VAR1 VARISTOR FM FAN MOTOR RTH ROOM THERMISTOR SM L R SWING MOTOR RY1 COMPRESSOR DRIVE RELAY RY2 L R MOTOR DRIVE RELAY RY3 FAN MOTOR DRIVE RELAY HIGH RY4 FAN MOTOR DRIVE RELAY MID RY5 FAN MOTOR DRIVE RELAY LOW RY6 FAN MOTOR DRIVE RELAY TURBO ...

Page 41: ... COMP MAGNET SWITCH FM1 2 FAN MOTOR C1 2 FAN MOTOR CAPACITOR 63H HIGH PRESSURE SWITCH CH CRANK CASE HEATER S1 S2 COMP O L P TB1 BOARD 600V 60A 4P 15A 3P TB2 BOARD 600V 60A 1P 15A 2P B BLK W WHT R RED G GRN BL BLU BR BRN Y YEL 3 phase 4 wire 380V WIRE COLOR ...

Page 42: ...52C COMP MAGNET SWITCH FM1 2 FAN MOTOR C1 2 FAN MOTOR CAPACITOR 63H HIGH PRESSURE SWITCH CH CRANK CASE HEATER S1 S2 COMP O L P TB1 BOARD 600V 60A 4P 15A 3P TB2 BOARD 600V 60A 1P 15A 2P B BLK W WHT R RED G GRN BL BLU BR BRN Y YEL WIRE COLOR Wiring Diagrams ...

Page 43: ...Samsung Electronics 10 1 10 Schematic Diagrams 10 1 Indoor Unit ...

Page 44: ...Samsung Electronics 10 2 10 2 Remote Control ...

Page 45: ...s manual may not in whole or in part be copied photocopied reproduced translated or converted to any electronic or machine read able from without prior written permission of Samsung Electronics Co Ltd SyncMaster 17GLi CMG7387L Service Manual First edition June 1995 Trademarks Samsung is a registered trademark and SyncMaster 17GLi CMG7387L and MacMaster Cable Adapter are trademark of Samsung Electr...

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