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Samsung APH180HD Service Manual
Samsung APH180HD Service Manual

Samsung APH180HD Service Manual

Packaged air conditioner

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PACKAGED AIR CONDITIONER
APH180HD/ED/CD
Manual
SERVICE
AIR CONDITIONER
CONTENTS
1 . P re c a u t i o n s
2 . P roduct Specifications
3 . Operating Instru c t i o n s
5 . Tro u b l e s h o o t i n g

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Summary of Contents for Samsung APH180HD

  • Page 1 PACKAGED AIR CONDITIONER APH180HD/ED/CD Manual SERVICE AIR CONDITIONER CONTENTS 1 . P re c a u t i o n s 2 . P roduct Specifications 3 . Operating Instru c t i o n s 4 . Disassembly and Reassembly 5 .
  • Page 2: Precaution

    As the repair of the unit involves a lot of dangerous elements, do not allow children to approach nearby during repair work. Cleaning Upon completion of the repair, clean the air conditioner and surrounding area, and inform the customer of completion of the repair. Samsung Electronics...
  • Page 3: Product Specifications

    2. Product Specifications 2-1 Table Model APH180HD APH180ED APH180CD Item Size Indoor unit 500 x 1700 x 330 500 x 1700 x 330 500 x 1700 x 330 Unit Width x Height x Depth 590 x 1785 x 465 590 x 1785 x 465...
  • Page 4 2-2 Dimensions unit : mm Indoor Unit Outdoor Unit Samsung Electronics...
  • Page 5: Operating Instructions

    Fan operstion Operation of the indoor fan moter only(High, midium, low) Heating operstion Indoor temperature control according to the set temperature(16°C<->30°C) APH180HD/180ED=(0), APH180CD=(X) Fan speed selector mode Manual 3-step High, Medium, Low(slectable at the cool and fan mode) The hige, midium, low wind is automaticallly changed by CHAOS calculation.
  • Page 6 Displayed at the indoor evaporator temperature sensor operates abnormally. “E 6” Displayed at the outdoor condensor temperature sensor operates abnormally. “E 7” Displayed at the electric heater temperature sensor operates abnormally. “ E C ” Displayed at the electric heater is overheated. Samsung Electronics...
  • Page 7 H e a t = A P H 1 8 0 C D ( X ) -The key operate only when the heat, cool, dry operation. -One time and continuous operation is possible. Turbo Turbo function is on and off. -Selectable all over operation mode. TACT -Continuous operation is impossible. Samsung Electronics...
  • Page 8: Check And Test Operation

    (This is very dangerous as the protective device does not work.) 3. Be sure to perform the test operation after installment. It is easy to start the test operation in winter if you increase the sensor temperature to 23°C ~25°C by holding the indoor temperature sensor (Cooling operation) Samsung Electronics...
  • Page 9: Disassembly And Reassembly

    Front Grille 1) Packaged air conditioner indoor unit. 2) Open the inlet grille, and remove the connector ring. 3) Loosen nine screws to remove the cover connect and cover evap’L. 4) Loosen one screws and pull the downward. Samsung Electronics...
  • Page 10 6) Remove the four screws, and remove the cover top. Then seperate the connector wire 7) Remove the six screws, and pull the upward cover top PCB. Samsung Electronics...
  • Page 11 Disassembly and Reassembly Parts Procedure Remark 8) Loosen the right and left side two screws, and then push the upward cover front. 9) Remove the five screws,and then remove the seven screws on the Duct up. Samsung Electronics...
  • Page 12 10) Loosen one bolt to remove the blower. 11) Loosen the five locking screws, and remove the lower duct on the front side. Remove the left and right side two screws, and the upper side two screws. And then seperate the shutter body Samsung Electronics...
  • Page 13: Outdoor Unit

    2) Loosen the two screws on the cover control, and remove the cover control. 3) Loosen the six screws in the side cabinet, and remove the side cabinet. 4) Connection of the control box wiring. Samsung Electronics...
  • Page 14: Troubleshooting

    - This is the function to prevent the cooling air incoming to the - Durning the heating, the compressor and outdoor indoor, where the temperature of indoor evaporator reaches 27°C, unit fan motor operate but indoor unit fan motor the indoor fan motor operates. does not operate. Samsung Electronics...
  • Page 15 - Indoor temperature sensor open - Check short/open of PCB parts APH180CD Flickering - Indoor temperature sensor short - Replacement of temperature sensor APH180HD (1Hz) APH180ED - Shutter motor defect - Replacement of shutter motor APH180CD Flickering...
  • Page 16 Is the output voltage of IC08, and IC09 normal? Check the main PBC and replace it. (IC08=12V, RIC09=5V) Dose the remocon receive the singnal correctly? Check the knob key. Replace it due to the defact of main PCB. Samsung Electronics...
  • Page 17 (Check condition when the heater is on.) Is the the voltage of the connected terminal Check the power relay and replace it. to the electric heater AC 220V? (Check condition when the heater is on.) Check the electric heater and replace it Samsung Electronics...
  • Page 18 (Check after swing to the left and right.) Is the voltage across the left and right adjusting motor AC 220V? Check the wire disconnection or bad contact. (Check after swing to the left and right.) Check the left and right adjusting motor and replace it. Samsung Electronics...
  • Page 19 Is it normal when pressing the start/stop button after Replace the remote controller. replacement of remote controller? Is the output wave of no. 51of MICOM(IC01)spherical? Replace the receiving module. (Check the wave when remote controller receives the signal.) Check the MICOM(01)and replace it. Samsung Electronics...
  • Page 20 Then check the wiring of indoor and outdoor unit for a Is the voltage across the electronic contactor terminal AC 187~253V? w o rng connection open. (Check when the compressor is on.) Replace the compre s s o r. Samsung Electronics...
  • Page 21 Is the main PCB pin of CN 51, 8, 9, to DC 12V Is the pulse wave output from the main PCB pin of CN 4, 5, 6, 7 ? Replace the main PCB. Replace it due to defect of the up/down adjusting motor. Samsung Electronics...
  • Page 22 Check IC02(KID65003AP) and replace it. relay related to fan speed DC 12V? Is the voltage across the indoor fan motor AC 220V? Check the disconnection of the connection harn e s s . Check the indoor fan motor and replace it. Samsung Electronics...
  • Page 23 (Check while the door is being opened.) Is the voltage across thd door motor(CN17#1, #3)(187V~253V)? Check the relay and connection wire harness disconnection. (Check while the door is being opened.) Check the door motor and replace it. 5-10 Samsung Electronics...
  • Page 24 PCB. • If the door open is not operate in 20 seconds after input of start/stop key, “E2” error mode occurs. 5-11 Samsung Electronics...
  • Page 25: Exploded Views And Parts List

    6. Exploded Views and Parts List 6-1 Indoor Unit 10-2 Samsung Electronics...
  • Page 26 Exploded Views and Parts List Parts List Q’TY CODE NO Description Specification APH180HD APH180ED APH180CD DB90-10677A ASS'Y-CABINET ASS’Y DB90-10655A ASS'Y-CABI IN SC-97470T DB64-50147A DIE-BOTTOM HIPS, IVORY DB90-40164B ASS’Y COVER TOP ASS’Y DB63-10472A COVER-TOP HIPS, T2.2 DB63-10473A COVER-TOP SUB HIPS, T2.2...
  • Page 27 Exploded Views and Parts List 6-1-1 ASS’Y COVER FRONT •ASS’Y SHUTTER 16 28 29-1 29-5 29-6 29-4 29-2 29-3 •ASS’Y GRILLE INLET Samsung Electronics...
  • Page 28 Parts List Q’TY Description Specification CODE NO APH180HD APH180ED APH180CD • DB92-30048F ASS'Y SHUTTER APH180HD, C-PROJECT DB64-70089D PANEL-SHUTTER HIPS, T2.5, GRAY, VIRGIN, -, - DB61-70058A HINGE-RAIL POM, ID 5.3, -, - DB63-10477A COVER-OUTLET HIPS, T3.0, VIRGIN, GRAY, - DB61-40279A HOLDER-BLADE UP HIPS, T2.5, BLACK, -...
  • Page 29 Exploded Views and Parts List 6-1-2 ASS’Y HEATER Samsung Electronics...
  • Page 30 HOLDER-HEATER RH BT SGCC-M DB61-00015A HOLDER-HEATER LF BT SGCC-M DB61-00016A HOLDER-HEATER FRONT SGCC-M DB61-00017A HOLDER-HEATER BACK SGCC-M DB61-00018A HOLDER-HEATER RH UP SGCC-M DB61-00020A HOLDER-FILTER STS304 DB61-30520A BRACKET-THERMISTOR SGCC-M DB61-30521A BRACKET-THERMOSTST SGCC-M DB61-40277A HOLDER-SENSOR PPS, T2.5 DB61-40290A HOLDER-HEATER RUBBER SILICON, T5 Samsung Electronics...
  • Page 31 6-2 Outdoor unit Samsung Electronics...
  • Page 32 Specification APH180HD/APH180ED APH180CD FAN-PROPELLER DB67-50063A AS+G / F20%, D405 DB67-90024A HANDLE-CABI, LF ABS, T2 DB67-90025B HANDLE-COVER, RH DB72-00008A CLOTH-SOUND-UP 10, -, -, APH180HD DB72-00043A CLOTH-SOUND APH180CD DB72-50574B CLOTH-COMP BOTTOM 10, -, -, APH180HD DB90-00008A ASSY-CABI-SIDE APH180HD DB90-50132A ASSY-FRAME AS-968, WELD...
  • Page 33 Exploded Views and Parts List 6-3 Remote Control APH 180CD(DB93-30067X) APH180HD/180ED(DB93-30067Y) Parts List(Remocon) CODE NO Description Remark Specification Q’TY DB61-10144A CASE UP DB61-10145A CASE LOW DB64-20054A DOOR REMOCON DB63-10477A COVER BATTERY DB74-10084A FITER REMOCON DB73-20110C RUBBER REMOCON SILICON DB64-40167A INLAY LCD...
  • Page 34: Block Diagrams

    7. Block Diagrams 7-1 Micro Computer Block Diagram (APH180HD) Compressor Indoor fan motor Sutter motor Load driving part 4-way valve Outdoor fan motor Left/Right swing motor Up/Down swing motor Room Remote controller temperature Reset part sensor Indoor piping temperature Receiving part of...
  • Page 35 Outdoor piping DC power source(5V) t e m p e r a t u re s e n s o r ASSY MAIN PCB DC power supply(12V) AC power supply ASSY PANEL PCB Power supply Transformer input Samsung Electronics...
  • Page 36 Indoor piping temperature sensor Receiving part of remote controller MICOM Key input part Shutter sensor Buzzer Display part control DC power source(5V) ASSY MAIN PCB DC power supply(12V) AC power supply ASSY PANEL PCB Power supply Transformer input Samsung Electronics...
  • Page 37: Refrigerating Cycle Block Diagram

    Use Temp. Condition (°C) Operating Condition (kg/cm Indoor Outdoor (GAS SIDE) Standard 4.5~5.5 40~45 9~12 Max over load 6.5~7.5 50~55 14~18 Cooling Low temp 30~35 Standard 18.5~20.5 32~36 65~75 Heating Max over load 36~40 70~80 Deice 28~32 40~45 Samsung Electronics...
  • Page 38: Pcb Diagrams

    8. PCB Diagrams 8-1 Ass’y Main PCB Samsung Electronics...
  • Page 39 -R201, R202, R510, R512, R603 1K 1/8 -R513 2K 1/8 -R514 3K 1/8 -R602 1K 1/2 -R507 1M 1/8 -R501 470 1/2 -R401-R403, R408, R410, R508, 330 1/8 R515, R601 -R404-R406 6.8K-F 1/8 -R407 24K-F 1/4 -C706, C708 472/400V Samsung Electronics...
  • Page 40 PCB Diagrams 8-1-2 PART LIST (MAIN:APH180HD, CODE NO : DB93-10620B) DESCRIPTION CODE NO SPECIFICATION Q’TY PART -C101 35V 3300uF -C102 35V 470uF -C105 25V 2200uF -C107 25V 100uF -C202 50V IuF -C503, C512 16V 47uF -C103, C104, C106, C201, C401-...
  • Page 41 -R201, R202, R510, R512, R603 1K 1/8 -R513 2K 1/8 -R514 3K 1/8 -R602 1K 1/2 -R507 1M 1/8 -R501 470 1/2 -R401-R403, R408, R410, R508, 330 1/8 R515, R601 -R404-R406 6.8K-F 1/8 -R407 24K-F 1/4 -C706, C708 472/400V Samsung Electronics...
  • Page 42 8-2 Ass’y PANEL PCB Samsung Electronics...
  • Page 43 PCB Diagrams •PART LIST (PANEL : APH180HD, APH180ED, CODE NO : DB93-10550C) DESCRIPTION CODE NO SPECIFICATION Q’TY PART -C903 50V 4.7uF -C904 50V 104Z -C905 50V 102Z -D901-D904 DIODE-S/W 1N4148 -R918-R927, R939-R941 RD 1/4 T 10K-J -R911-R917 RD 1/2 T 470-J...
  • Page 44 -SW1-SW3, SW5, SW7, SW8 TACK S/W KPT-1115D -CN11 SMAW250-11WHT -CN12 SMAW250-12WHT -CN13 SMAW250-04WHT -RM1 GP1U281R -LED-DISPLAY SEVEN-SEG. SSB-A4708GM -FAN, DRY, COOL, LOW, MID LED LAMP SV50-R32BA630RRT27(GRN) OPERRATING, L/ROSWING LONG, SLEEP, HIGH -AUTO, TIMER, POWER LED-LAMP SV50-R32BA630RRT27(RED) SAVING, TURBO, NATURAL FAN-AUTO Samsung Electronics...
  • Page 45: Wiring Diagrams

    9. Wiring Diagrams 9-1 Indoor Unit 9-1-1 Samsung Electronics...
  • Page 46 Wiring Diagrams 9-1-2 Samsung Electronics...
  • Page 47 Wiring Diagrams 9-1-3 Samsung Electronics...
  • Page 48 And if you need more information, please see the service bulletin Copyright Tr a d e m a r k s Samsung is a registered trademark and ®œ 1995 by Samsung Electronics Co., Ltd. SyncMaster 17GLi/CMG7387L and MacMaster All rights reserved. Cable Adapter are trademark of Samsung This manual may not, in whole or in part, be Electronics Co., Ltd.
  • Page 49: Schematic Diagrams

    10. Schematic Diagrams 10-1 Indoor Unit 10-1 Samsung Electronics...
  • Page 50 10-2 10-2 Samsung Electronics...
  • Page 51 10-3 10-3 Samsung Electronics...

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