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Samsung AC018JXADCH/AA, Service Manual

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AHU SERIES

CONTENTS

SYSTEM AIR CONDITIONER

AHU SERIES

1.  Precautions

2.  Product Specifications

3.  Disassembly and Reassembly

4.  Troubleshooting

5.  PCB Diagram and Part List

6.  Wiring Diagram

7.  Reference Sheet

INDOOR UNIT

OUTDOOR UNIT

Model :

AC018KNZDCH/AA
AC024KNZDCH/AA
AC030KNZDCH/AA
AC036KNZDCH/AA
AC042KNZDCH/AA
AC048KNZDCH/AA
AC054KNZDCH/AA

AC018JXADCH/AA
AC024JXADCH/AA
AC030JXADCH/AA
AC036JXADCH/AA
AC042JXADCH/AA
AC048JXADCH/AA
AC054KXADCH/AA

Summary of Contents for AC018JXADCH/AA

Page 1: ... 4 Troubleshooting 5 PCB Diagram and Part List 6 Wiring Diagram 7 Reference Sheet INDOOR UNIT OUTDOOR UNIT Model AC018KNZDCH AA AC024KNZDCH AA AC030KNZDCH AA AC036KNZDCH AA AC042KNZDCH AA AC048KNZDCH AA AC054KNZDCH AA AC018JXADCH AA AC024JXADCH AA AC030JXADCH AA AC036JXADCH AA AC042JXADCH AA AC048JXADCH AA AC054KXADCH AA ...

Page 2: ...Indoor unit LED lamp display at error detecting 4 1 4 1 2 Wired Remocon Error Display 4 2 4 2 Troubleshooting by symptoms 4 4 4 2 1 Indoor temperature sensor open short 4 4 4 2 2 Eva in and out sensor open short 4 5 4 2 3 Fan error 4 13 4 2 4 Terminal Block s Terminal Fuse Open 4 14 4 2 5 Outdoor s service valve Clog 4 2 6 EEPROM error 4 2 7 Option error 4 3 Setting the indoor unit option code 4 1...

Page 3: ...lectronics Contents 6 Wiring Diagram 6 1 6 1 Indoor Unit 6 1 6 2 Outdoor Unit 6 3 7 Reference Sheet 7 1 7 1 Refrigerating Cycle Diagram 7 1 7 2 Index of Model Name 7 2 7 2 1 Indoor Unit 7 2 7 2 2 Outdoor Unit 7 3 ...

Page 4: ...the repair and measurement of PCB ƒ Check the distance between the product and the other electronic appliances such as TV video and audio It should be over 2m If not it causes a bad picture quality or a noise ƒ Repairing the products by consumer should be strictly prohibited There is a danger of electric shock or fire due to incorrect disassembly 1 3 Precautions for the Safety ƒ Do not pull any el...

Page 5: ...nd the compressor first before removing the connection pipe If the refrigerant pipe is not properly connected and the compressor works with the service valve open the pipe inhales the air and it makes the pressure inside of the refrigerant cycle abnormally high It may cause explosion and injury ƒ Pump Down Procedure When removing the product Turn on the air conditioner and select Cool mode to run ...

Page 6: ...C inverter technology it makes a room cool with highly energy saving and arises the efficiency of air conditioner Ŷ Long Piping Length Height It can give the benefit to the installers and aries the reliability of the air conditioner Ŷ Long Ambient Operation In Low Temperature It can arise the reliability and the capacity of the air conditioner especially operated in low temperature Ŷ Eco friendly ...

Page 7: ... 1 492 x 552 622 x 1 492 x 552 622 x 1 492 x 552 Outdoor Unit mm 880 x 638 x 310 940 x 998 x 330 940 x 998 x 330 940 x 1 210 x 330 940 x 1 210 x 330 940 x 1 210 x 330 940 x 1420 x 330 Shipping Dimension WxHxD Indoor Unit mm 493 x 1 135 x 665 493 x 1 135 x 665 590 x 1 305 x 665 590 x 1 305 x 665 676 x 1 588 x 695 676 x 1 588 x 695 676 x 1 588 x 695 Outdoor Unit mm 1 023 x 730 x 413 995 x 1 096 x 42...

Page 8: ...R VLVWHPD 6SOL W RQGL LRQDWRUH G DULD SHU DPELHQWL DG XQLWØ 6HSDUDWH SDUHOKR GH DU FR QGLFLRQDGR WLSR 6 SOLW OLPDWLVHXU GH W S H V SDU HWHLOWH UDXPNOLPD DQODJH Installation manual 1 Essential Offer Indoor Unit Card Warranty 1 Cap Drain DB63 10355C 3 Essential Offer Outdoor Unit Drain Plug DB67 00806A 1 Rubber Leg DB73 20134A 4 Manual Install DB68 05462A 1 2 3 Specifications of optional items 2 3 1...

Page 9: ...Samsung Electronics 3 1 Item Remarks SCREW DRIVER Adjustable Wrench 8mm 10mm 13mm M6 M8 Hex Wrench Q Necessary Tools 3 Disassembly and Reassembly ...

Page 10: ...ntrol BOX 1 Loosen 11 of the front screw CCW and detach the Cabinet Front Up 2 Disconnect the Connector Wire that is connected to the indoor unit s PBA 3 Unscrew the 1 fixed screws on middle of the PBA and 4 fixed PBA HOLDER and disassemble the PBA from the indoor unit Use Screw Driver 3 1 Indoor Unit Q V AHU AC018 024 030 036 042 048 054KNZDCH AA ...

Page 11: ...k 3 DRAIN PAN 1 Loosen 11 of the front screw CCW and detach the Cabinet Front Down 2 Loosen 2 of the Left side screw CCW 3 Loosen 5 of the front screw CCW and detach the 2 Bracket drain and 1 Bracket Low 4 Pull the Heat Exchanger and Drain 5 Detach the Drain from indoor Unit ...

Page 12: ...he front screw CCW and detach the Cabinet Front Down 2 Loosen 2 of the Left side screw CCW 3 Loosen 5 of the front screw CCW and detach the 2 Bracket drain and 1 Bracket Low 4 Disconnect the Connector Wire that is connected to the Heat Exchanger 5 Pull the Heat Exchanger and Drain 6 Detach the Heat Exchanger ...

Page 13: ... Parts Procedure Remark 5 FAN MOTOR 1 Loosen 11 of the front screw CCW and detach the Cabinet Front Down 2 Loosen 6 of the Front screw CCW and detach the Bracket 3 Disconnect the Connector Wire that is connected to the Motor 5 Pull the A ssy Fan Blower ...

Page 14: ...DisassemblyandReassembly 3 6 Samsung Electronics No Parts Procedure Remark 6 Loosen 4 of the screw and 1 nut on the CASE and Detach the motor and fan ...

Page 15: ...cedure Remark 1 common work 1 loosen 1 pcs screw of cover control and detach it 2 loosen 5 pcs screws on both right and left cabniet side edges and to detach the cover top 3 Loosen 7 screwsfixed to disassemble cabi front and detach it AC018JXADCH 3 2 Outdoor Unit ...

Page 16: ...assembly 3 8 Samsung Electronics No Parts Procedure Remark common work 4 loosen 7 screws to disassemble the cabi right and detach it 5 loosen 2 screws to disassemble steel bar 6 loosen 3 screws to disassemble cabi left ...

Page 17: ...ctronics 3 9 No Parts Procedure Remark 2 fan motor 1 loosen 1 screw as indication and detached the fan 2 loosen 4 pcs motor screws and disconnect the wire betwwen assy control out and motor 3 loosen 2 pcs bracket motor screw and detach it ...

Page 18: ...ssen fixing 1 screw from cover control 2 detach several connections from assy con trol out take out assy control out 4 Heat exchanger 1 Release the refrigerant at first 2 Looosen fixing screw on both side 3 disaessembly the pipes in both inlet and outlet with welding torch 4 detach the heat exchanger ...

Page 19: ...DisassemblyandReassembly Samsung Electronics 3 11 No Parts Procedure Remark 5 compressor 1 disconnect the compressor lead wire 2 disassembly the felt comp sound loosen the 3 bolts at the bottom of ...

Page 20: ...Power before disassembly 1 Unscrew and remove two mounting screw in the Cabinet Front RH Use Screw Driver 2 Cabi Top 1 Unscrew and remove 9 screws on each side of the Cabinet Top Use Screw Driver 3 Cabi Install Front 1 Unscrew and remove 1 screw in the Cabinet Install Front Use Screw Driver AC024JXADCH AC030JXADCH ...

Page 21: ...rocedure Remark 4 Guard Cond 1 Pull the sensor from Guard Cond 2 Unscrew and remove 4 screws in the Guard Cond Use Screw Driver 5 Cabi Back RH 1 Pull the sensor from Cabi Back RH 2 Unscrew and remove 4 screws on each side of the Cabinet Back RH Use Screw Driver ...

Page 22: ...4 Samsung Electronics No Parts Procedure Remark 6 Cabi Install Back 1 Unscrew and remove 1 screw in the Cabinet Install Back Use Screw Driver 7 Cabi Front LF 1 Unscrew and remove 10 screws in the Cabinet Front LF Use Screw Driver ...

Page 23: ...DisassemblyandReassembly Samsung Electronics 3 15 No Parts Procedure Remark 8 Fan 1 Turn 2 mounting nuts as shown in the picture and remove it Use Adjustable Wrench ...

Page 24: ...Procedure Remark 9 Motor 1 Separate the Fan Propeller 2 Unscrew and remove the 8 Motor mounting screws Use Screw Driver 3 Disconnect the Motor wire From Ass y Control Out 10 Bracket Motor 1 Unscrew and remove 2 mounting screws in Bracket Motor Use Screw Driver ...

Page 25: ...sembly Samsung Electronics 3 17 No Parts Procedure Remark 11 Control Out 1 Disconnect 4 Connecters From Ass y Control Out 2 Unscrew and remove 1 mounting screw in Control Out Use Screw Driver 3 Separate Ass y Control Out ...

Page 26: ...2 Unscrew and remove 2mounting screws in muffler 3 Unscrew and remove 2 mounting screws in Service Valve Use Screw Driver 4 Separate the pipe from the Entrance Exit using a welder When removing the compressor Heat Exchanger and Pipe purge the Coolant inside the Compressor completely and remove the pipe with a welding flame ...

Page 27: ... 13 Ass y EEV Valve 1 Unscrew and remove 2 mounting screws in Service Valve Use Screw Driver 2 Separate the pipe from the Entrance Exit using a welder 14 Compressor 1 Unscrew and remove 1 mounting nut in Cover Terminal Use Adjustable Wrench 2 Separate the Compressor Felt Sound ...

Page 28: ... Parts Procedure Remark 3 As shown in the picture unscrew and remove 3 mounting screws from the bottom Use Adjustable Wrench 15 Cond Out 1 Unscrew and remove 3 screws on each side of the Assy Cond Out Use Screw Driver 2 Separate the Compressor Felt Sound ...

Page 29: ...he Cabinet Front RH Use Screw Driver 2 Cabi Top 1 Unscrew and remove 9 screws on each side of the Cabinet Top Use Screw Driver 3 Cabi Install Front 1 Unscrew and remove 1 screw in the Cabinet Install Front Use Screw Driver 4 Guard Cond 1 Pull the sensor from Guard Cond 2 Unscrew and remove 4 screws in the Guard Cond Use Screw Driver Q AC036JXADCH AC042JXADCH AC048JXADCH AC054KXADCH ...

Page 30: ...d remove 4 screws on each side of the Cabinet Back RH Use Screw Driver 6 Cabi Install Back 1 Unscrew and remove 1 screw in the Cabinet Install Back Use Screw Driver 7 Cabi Front LF 1 Unscrew and remove 10 screws in the Cabinet Front LF Use Screw Driver 8 Fan 1 Turn 2 mounting nuts as shown in the picture and remove it Use Adjustable Wrench ...

Page 31: ...Motor mounting screws Use Screw Driver 3 Disconnect the Motor wire From Ass y Control Out 10 Bracket Motor 1 Unscrew and remove 2 mounting screws in Bracket Motor Use Screw Driver 11 Control Out 1 Disconnect 4 Connecters From Ass y Control Out 2 Unscrew and remove 1 mounting screw in Control Out Use Screw Driver 3 Separate Ass y Control Out ...

Page 32: ...alve Use Screw Driver 3 Separate the pipe from the Entrance Exit using a welder When removing the compres sor Heat Exchanger and Pipe purge the Coolant inside the Compressor completely and remove the pipe with a welding flame 13 Assy EEV Valve 1 Unscrew and remove 2 mounting screws in Service Valve Use Screw Driver 2 Separate the pipe from the Entrance Exit using a welder ...

Page 33: ...X 1 Clogging of outdoor s service valve 2 the refrigerant leakage X X Detection of the float switch X X X 1 Error of EEPROM 2 Error of Option setting 1 Error of Outdoor Temp sensor 2 Error of Cond Temp sensor 3 Error of discharge Temp sensor X X X 1 No communication for 2 minutes between indoor units Communication error for more than 2 minutes 2 Indoor unit receiving the communication error from o...

Page 34: ...ror Inverter Emission temperature sensor error Outdoor sensor error Detection of Indoor Freezing when Comp Stops Outdoor unit protection control error Protection of Outdoor Overload when Comp Stops Outdoor unit protection control error Emission temperature excessively high Outdoor unit protection control error High pressure blockage error Refrigerant completely Leakage error Self diagnostic error ...

Page 35: ... CROSSING SIGNAL OUT error Outdoor unit protection control error Compressor LOCK error Outdoor unit protection control error Outdoor fan 2 error Self diagnostic error IPM Overheat Error for Outdoor Unit Inverter Comp Outdoor unit protection control error Gas leak error Self diagnostic error Capacities not matched Outdoor unit protection control error Communication error between the indoor unit and...

Page 36: ...tance value out of range in the temperature table on the right Yes Is indoor temperature sensor disconnected from the connector in PCB Restart the system after replacing the PCB Restart the system after connecting to the PCB connector Indoor temperature sensor failure replace Remove the indoor temperature sensor connector from the PCB and measure the resistance between two terminals Current tem pe...

Page 37: ...ture table on the right Yes Is the indoor heat exchanger temperature sensor connector disconnected from the PCB Restart the system after replacing the PCB Restart the system after connecting the connector to PCB Failure of the indoor heat exchanger temperature sensor replace Remove the indoor heat exchanger temperature sensor connector from the PCB and measure the resistance between two terminals ...

Page 38: ...54 Symptom Error of Fan motor in the indoor unit Failure Fan error 4 2 3 Fan error No No Yes Yes Is the motor connector disconnected from the PCB CN301 Is there foreign substance stuck in the motor fan Replace the PCB and restart the unit Connect the connector to PCB and restart the unit Remove the foreign substance and restart the unit ...

Page 39: ...e open 4 2 4 Terminal Block s Terminal Fuse Open No No Yes Is the resistance 0Ω Yes Is the wire connector disconnected from the terminal block and PCB CN140 Replace the PCB and restart the unit Connect the connector to PCB and terminal block before restart the unit Replace the Terminal Block and restart the unit Remove the wire connector from the PCB and measure the resistance between two terminal...

Page 40: ...efrost X Timer Fan Filter Wire remote controller display E422 Symptom Clogging of outdoor s service valve Failure Valve clog 4 2 5 Outdoor s service valve Clog Yes No Is the outdoor service valve clogging Replace the PCB and restart the unit Open the outdoor s service valve ...

Page 41: ... display E162 Symptom EEPROM PCB disconnected from the MAIN PCB Failure Option error Yes Yes No No Is the EEPROM PCB disconnected from the MAIN PCB CN201 Is the error mode disappear Connect the EEPROM PCB to MAIN PCB The indoor unit work normaly Connect the EEPROM PCB to MAIN PCB and restart the unit Replace the PCB and restart the unit ...

Page 42: ...display Operation Timer Fan Filter Defrost Wire remote controller display E163 Symptom EEPROM option setting error Failure Option error Yes No Is the error mode disappear Input the right option to EEPROM PCB The indoor unit work normaly Replace the PCB and restart the unit ...

Page 43: ...door unit option code is only possible in Master wired remote controller You can only check the indoor unit option code in Slave wired remote controller t Setting indoor unit option code is possible when one indoor unit is connected If more than 2 indoor units are connected you can only check the Master indoor unit option code t Press the button anytime during setup to exit without setting NOTE NO...

Page 44: ...utton to select and then press button to enter a Indoor Address setting screen 4 Press the button to set the Indoor unit Main RMC Address 5 Press the button to save and complete the option setting 6 Press the button to exit to normal mode t Press the button anytime during setup to exit without setting t Address will not be applied if you don t press button t Setting Main RMC Address of an Indoor u...

Page 45: ...s the button to set the installation option code in order Press button to go to the next page SGE1 SGE2 SGE3 SGE4 SGE5 SGE6 0 2 RESERVED Exterior temperature sensor Central control RESERVED SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 1 RESERVED RESERVED Use of Heater RESERVED Master Slave SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 2 External control External control output RESERVED Buzzer RESERVED SEG19 SEG20 SEG21...

Page 46: ...IndicationandDetails Indication Details Indication Details Indication Details Indication Details 2 0 Disuse 0 Thermoon 0 Use of buzzer 1 ON OFF Control 1 Operation on 1 Non use of buzzer 2 OFF Control 3 WINDOW ON OFF Control Option SEG19 SEG20 SEG21 SEG22 SEG23 Explanation PAGE control of a remote controller Heating setting compensation RESERVED RESERVED IndicationandDetails Indication Details Ind...

Page 47: ...he heat kit installation manuals for minimum CFM for electric heat kit activation usually speed tap 5 4 Turn the circuit breakers on and reinstall air handler blower door 5 Turn on all electrical supply circuits to the air handler at the main service House Circuit Breaker panel 6 When black wire Standard is required to be connected to tap 5 the orange wire which originally is connected to tap 5 ca...

Page 48: ... inwg C FM 1 0 1 489 4 0 1 628 0 2 452 0 2 599 0 3 410 0 3 569 0 4 370 0 4 536 0 5 325 0 5 500 0 6 270 0 6 458 0 7 210 0 7 411 0 8 130 0 8 352 2 0 1 525 5 0 1 682 0 2 497 0 2 658 0 3 466 0 3 633 0 4 430 0 4 605 0 5 385 0 5 574 0 6 330 0 6 539 0 7 270 0 7 497 0 8 200 0 8 44444444 4 444 3 0 1 560 Default Settin g 0 2 535 0 3 505 0 4 472 0 5 436 0 6 397 0 7 351 0 8 289 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0...

Page 49: ...740 0 4 452 0 4 707 0 5 410 0 5 671 0 6 365 0 6 630 0 7 317 0 7 580 0 8 262 0 8 530 2 0 1 658 5 0 1 888 0 2 625 0 2 859 0 3 589 0 3 831 0 4 550 0 4 799 0 5 508 0 5 764 0 6 462 0 6 723 0 7 410 0 7 675 0 8 349 0 8 620 3 0 1 726 Default Settin g 0 2 695 0 3 661 0 4 625 0 5 586 0 6 543 0 7 493 0 8 435 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 2503 50 4505 50 6507 50 850 g w n i P M F C Q 1 2 3 4 5 ...

Page 50: ... 605 0 7 943 0 8 547 0 8 904 0 9 486 0 9 864 1 419 1 823 2 0 1 987 5 0 1 1314 0 2 951 0 2 1282 0 25 932 0 25 1266 0 3 914 0 3 1251 0 4 875 0 4 1217 0 5 834 0 5 1183 0 6 790 0 6 1149 0 7 742 0 7 1113 0 8 690 0 8 1076 0 9 633 0 9 1039 1 567 1 1000 3 0 1 1060 Default Settin g 0 2 1025 0 25 1009 0 3 990 0 4 954 0 5 915 0 6 875 0 7 832 0 8 787 0 9 737 1 684 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 4005 ...

Page 51: ... 605 0 7 943 0 8 547 0 8 904 0 9 486 0 9 864 1 419 1 823 2 0 1 987 5 0 1 1314 0 2 951 0 2 1282 0 25 932 0 25 1266 0 3 914 0 3 1251 0 4 875 0 4 1217 0 5 834 0 5 1183 0 6 790 0 6 1149 0 7 742 0 7 1113 0 8 690 0 8 1076 0 9 633 0 9 1039 1 567 1 1000 3 0 1 1060 Default Settin g 0 2 1025 0 25 1009 0 3 990 0 4 954 0 5 915 0 6 875 0 7 832 0 8 787 0 9 737 1 684 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 4005 ...

Page 52: ... 7 805 0 7 1043 0 8 747 0 8 1005 0 9 685 0 9 964 1 620 1 922 2 0 1 1137 5 0 1 1315 0 2 1101 0 2 1282 0 25 1083 0 25 1266 0 3 1064 0 3 1251 0 4 1025 0 4 1217 0 5 984 0 5 1184 0 6 940 0 6 1149 0 7 892 0 7 1113 0 8 841 0 8 1076 0 9 783 0 9 1039 1 718 1 1000 3 0 1 1180 Default Settin g 0 2 1147 0 25 1128 0 3 1110 0 4 1074 0 5 1035 0 6 995 0 7 952 0 8 907 0 9 857 1 804 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8...

Page 53: ...31 0 7 699 0 7 1280 0 8 606 0 8 1224 0 9 510 0 9 1158 1 415 1 1078 2 0 1 1379 5 0 1 1739 0 2 1293 0 2 1705 0 3 1210 0 3 1670 0 4 1130 0 4 1633 0 5 1045 0 5 1597 0 6 963 0 6 1559 0 7 878 0 7 1522 0 8 795 0 8 1485 0 9 711 0 9 1446 1 627 1 1406 3 0 1 1475 Default Settin g 0 2 1410 0 3 1348 0 4 1282 0 5 1216 0 6 1148 0 7 1076 0 8 1003 0 9 929 1 850 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 3005 00 7009 ...

Page 54: ...0 1 1570 5 0 1 2000 0 2 1490 0 2 1960 0 25 1446 0 25 1940 0 3 1407 0 3 1923 0 4 1325 0 4 1887 0 5 1240 0 5 1847 0 6 1159 0 6 1807 0 7 1077 0 7 1762 0 8 993 0 8 1714 0 9 910 0 9 1664 1 826 1 1608 3 0 1 1642 Default Settin g 0 2 1587 0 25 1557 0 3 1528 0 4 1472 0 5 1412 0 6 1355 0 7 1294 0 8 1233 0 9 1172 1 1109 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 3005 00 7009 00 1100 1300 1500 1700 1900 g w n i...

Page 55: ...r a delay of 3 minutes when the compressor is reoperated The same phenomenon occurs when a power is on As a phenomenon that the compressor is reoperated after a delay of 3 minutes the indoor fan is adjusted automatically with reference to a temperature of the air blew 2 Compressor stops operation intermittently in DRY mode Compressor operation is controlled automatically in DRY mode depending on t...

Page 56: ...Samsung Electronics 5 1 5 1 1 MAIN PCB Diagram AC018KNZDCH AC024KNZDCH AC030KNZDCH AC036KNZDCH AC042KNZDCH AC048KNZDCH AC054KNZDCH 5 PCB Diagram and Part List 5 1 Indoor Unit 10 9 8 4 5 6 7 3 1 2 ...

Page 57: ...TE CTRL RECEIVE SIGNAL 11 SGND 12 5V 13 BUZZER 1 SGND 2 NC 3 5V 4 EEPROM SELECT 5 EEPROM SO 6 EEPROM SI 7 EEPROM CLK 1 12V 2 COM2 PCTRL MICOM 3 COM2 VCHECK A 4 COM2 VCHECK B 5 COM2 MICOM AD 6 VCC ON OFF CTRL 7 COM2 ENABLE 8 COM2 C 9 COM2 D 10 COM2 TX 11 COM2 RX 12 SGND 1 F1 INDOOR OUTDOOR COMM 2 F2 INDOOR OUTDOOR COMM 3 V1 12V 4 V2 SGND 5 F3 WIRED CONTROLLER COMM 6 F4 WIRED CONTROLLER COMM CN100 P...

Page 58: ...Samsung Electronics 5 3 5 2 1 Main PCB Q AC018JXADCH 5 4 3 2 1 7 6 8 9 10 11 12 5 2 Outdoor Unit ...

Page 59: ... 4 DISCHARGE THERMISTOR 5 6 COND THERMISTOR 1 10 Download 1 DV310V 3 GND 4 DC15V 5 FAN PWM 6 FAN Feedback 1 10 Download 1 COMP U Phase 2 COMP V Phase 3 COMP W Phase 1 2 Reactor CN030 4WAY VALVE CN951 SIGNALTO SUB PCB CN252 THERMISTOR CN851 S NET Communication CN701 EEV CN901 BLDC MOTOR CN302 Communication COM1 CN551 Downloader CN251 THERMISTOR CN451 COMP POWER CN201 Downloader CN051 Reactor ...

Page 60: ...PCBDiagramandPartList Samsung Electronics 5 5 5 2 2 SUB PCB Q AC018JXADCH 1 2 1 DC12V 2 GND 1 28 SIGNAL TO MAIN PCB CN12 DC12V CN951 SIGNALTO MAIN PCB ...

Page 61: ...APC 2009 6P BLK 9 3711 000744 CN103 EARTH YDW236 01 WHT 10 3711 000177 CN303 COMM INDOOR YW396 02V RED 11 3716 001162 CN003 QUIET S W BR 7623 2P BLK 12 3711 005096 CN302 COMM OPTION SMW200 05 BLK 13 3711 007069 CN402 HIGH PRESSURE S W B04B XARK 1 RED 14 3711 007325 CN401 LOW PRESSURE S W B04B XARK 1 BLU 15 3711 001038 CN305 COMM INV SMW250 06 WHT 16 3711 000939 CN801 ERROR COMP CHECK SMW250 04 RED...

Page 62: ...V For S W engineer debugging 1 DC 360V 2 N C 3 GND 4 DC 15V 5 FAN RPM 6 FAN RPM feedback 1 DC 360V 2 N C 3 GND 4 DC 15V 5 FAN RPM 6 FAN RPM feedback 1 COMP U phase RED 2 COMP V phase BLU 3 COMP U phase YEL Reactor A1 B1 Reactor A2 B2 CN50 2PIN RED Communication CN22 Downloader CN21 DAC ENCODER CN91 FAN2 CN90 FAN1 CN71 COMP 2 3 4 6 5 8 7 1 Q AC024JXADCH AC030JXADCH AC036JXADCH AC042JXADCH AC048JXAD...

Page 63: ...V 6 TDI_INV 7 TMS_INV 8 nTRST 9 GND 10 11 5V 14 18 19 ENC 17 GND 20 SUB 1 DC310V 2 N C 3 GND 4 DV15V 5 FAN RPM 6 FAN RPM Feedback 1 DC310V 2 N C 3 GND 4 DV15V 5 FAN RPM 6 FAN RPM Feedback 1 Compressor U phase RED 2 Compressor V phase BLU 3 Compressor W phase YEL 1 L Phase BRN 2 N Phase SKY Reactor A1 B1 Reactor A2 B2 CN351 Main COMM CN551 Downloader CN901 FAN1 CN911 FAN2 CN401 Compressor L N 220V ...

Page 64: ...PartList Samsung Electronics 5 9 Q AC024JXADCH AC030JXADCH AC036JXADCH AC042JXADCH AC048JXADCH AC054KXADCH L1 BRN N1 SKY BLU 1 3 AC 220 240V L1 AC POWER L phase N1 AC POWER N phase CN01 AC POWER 3 1 2 5 2 5 EMI PCB ...

Page 65: ... Room IN Sensor Plate A Coil RED PIN 5 ORN DEFROST INDOOR BLOWER MOTOR HI SPEED TAP ORN ORN ORN ST5 ERROR EXPLANATION E101 E121 E122 E123 E162 E163 NO COMMUNICATION FOR 2 MINUTES BETWEEN INDOOR AND OUTDOOR UNIT ERROR ON ROOM TEMPERATURE SENSOR OF INDOOR UNIT SHORT OR OPEN ERROR ON EVA IN TEMPERATURE SENSOR OF INDOOR UNIT SHORT OR OPEN ERROR ON EVA OUT TEMPERATURE SENSOR OF INDOOR UNIT SHORT OR OPE...

Page 66: ...6 2 Samsung Electronics 6 2 Outdoor Unit AC018JXADCH This Document can not be used without Samsung s authorization ...

Page 67: ...Samsung Electronics 6 3 AC024JXADCH AC030JXADCH AC036JXADCH AC042JXADCH AC048JXADCH This Document can not be used without Samsung s authorization ...

Page 68: ...6 4 Samsung Electronics AC054KXADCH This Document can not be used without Samsung s authorization ...

Page 69: ...or Q COMPRESSOR Low temperature and low pressure coolant is compressed and sent to the cycling system Q EVAPORATOR Liquid coolant sucked in through the capillary tubes cools down the room by absorbing the surrounding heat as it evaporates converting from liquid to gas Absorbing heat required for evaporation Q SERVICE VALVE You can open the valve by turning the need valve counterclockwise using hex...

Page 70: ...C Domestic R RAC MALDIVE A RAC A3050 7 RAC Crystal U AIR HANDIING UNIT ASD Z AIR HANDLING UNITWITH FRESH Y HYDRO UNIT Wall mount EHS B HYDRO UNIT Standing X HYDRO UNIT TANK Integrated W WATERTANK K FLAT CEILINGTYPE _VTL VTL S STAND EXPOSURETYPE _VTL Power A A 115V 60hz 1Ф B B 220V 60Hz 1Ф C C 208 230V 60Hz D D 200 220V 50Hz E E 220 240V 50Hz F F 208 230V 60Hz 3Ф G G 380 415V 50Hz 3Ф H H 380V 60Hz ...

Page 71: ...Side GeneralTemp CAC S Inv Side LowTemp Q Inv Side TropicalTemp F Inv Top TropicalTemp B NonInv Side GeneralTemp N NonInv Side LowTemp R NonInv Side TropicalTemp खࣜ NonInv Top TropicalTemp 4Way 4 MSPDuct M Ceiling C Power A A 115V 60hz 1Ф B B 220V 60Hz 1Ф C C 208 230V 60Hz D D 200 220V 50Hz E E 220 240V 50Hz F F 208 230V 60Hz 3Ф G G 380 415V 50Hz 3Ф H H 380V 60Hz 3Ф J J 460V 60Hz 3Ф K K 220 240V 5...

Page 72: ...cable International and or domestic law Samsung Electronics Co Ltd March 2016 Printed in Korea Code No AC 00154E_1 GSPN GLOBAL SERVICE PARTNER NETWORK Area Web Site Europe CIS Mideast Africa gspn1 samsungcsportal com Asia gspn2 samsungcsportal com North Latin America gspn3 samsungcsportal com China china samsungportal com ...

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