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Samsung AQA24C5ME, Service Manual

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Samsung AQA24C5ME Service Manual Download Page 55

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Itself Solution

Integrated technology supporting electronic library

http://itself.sec.samsung.co.kr

Copyright © 2002

By Samsung Electronics Co., Ltd.
All rights reserved.
This manual may not, in whole or in part, be
copied, photocopied, reproduced, translated, or 
converted to any electronic or machine readable 
from without prior written permission of
Samsung Electronics Co., Ltd.

Printed in Korea.

 DB98-05230A(1)-2  4/18/02 5:06 PM  Page 9-7

Summary of Contents for AQA24C5ME

Page 1: ...s 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 INDOOR AQ...

Page 2: ...cord and avoid tapping into a power cord This practice may result in malfunction or fire 6 After completing repairs and reassembly check the insulation resistance Procedure Prior to applying power me...

Page 3: ...MEMO Samsung Electronics 1 2...

Page 4: ...220 240V 50Hz 6 80KW 6 90KW 14 0 15 0 3 2 198 264 11 4 11 9 2 50 2 60 94 6 94 2 2 72 2 65 54 Microprocessor I C Thermistor Wireless remote control 24 Hour ON or OFF 3 Steps and Turbo 2 Step Manual Au...

Page 5: ...Exch Outdoor unit Model Type Compressor model Normal output W Comperssor oil kind Comperssor oil cc Oil Specific gravity Coil resistance Ambient temp 25 C Safety devices Type Overloal relay Operating...

Page 6: ...2 3 Samsung Electronics 2 3 Dimensions 2 3 1 Indoor Unit 275 1080 Remote control 22 45 115 The feature is subject to be varied as a model Front view Installation plate 204 Rear view...

Page 7: ...Samsung Electronics 2 4 Product Specifications 18K BTU Front view Rear view 320 620 582 787 340 2 3 2 Outdoor Unit 24K BTU Front view Rear view 310 638 660 880...

Page 8: ...ssure Graph 24K BTU 10 9 8 7 6 20 25 30 35 Outdoor drybulb temp deg C Low Pressure kg cm 2 G 40 30 6 22 5 27 19 21 5 14 6 10 9 8 7 6 20 25 30 35 Outdoor drybulb temp deg C Low Pressure kg cm 2 G 40 30...

Page 9: ...MEMO Samsung Electronics 2 6...

Page 10: ...to 24 hours To cancel press the Set Cancel button Each time you press this button Mode is changed in the following order Temp down button To decrease the temperature by the pressing the temperature b...

Page 11: ...m temperature The unit operates in DRY mode Compressor ON OFF Time is controlled compulsorily can not set up the fan speed always breeze Protective function Low temperature release Prevention against...

Page 12: ...pping motor Swing Set Press the button under the remote control is displayed on LCD the and the blades move up and down If the one more time press the button blades loca tion is stop 10 24 Hour ON OFF...

Page 13: ...place 3 Make sure that you install the outdoor unit in area providing good ventilation and which is not dusty It must not be blocked by any obstacle affecting the airflow near the air inlet and the ai...

Page 14: ...n hose installation Cut the piping hole sloped slightly Piping Liquid 1 4 Putty Clamper tube Installation plate Installation tube Screw Vinyl tape Drain hose Piping may be laid to the rear left right...

Page 15: ...project by more than 20mm 4 Determine the positions of the wooden uprights to be attached to the window frame 5 Attach the wooden uprights to the window frame in a manner appropriate to the weight of...

Page 16: ...sembly cable into the outdoor unit refer to page 3 8 3 2 2 d Installing and Connecting the Indoor Unit Drain Hose Care must be taken when installing the drain hose for the indoor unit to ensure that a...

Page 17: ...e M4 ring terminal to the hole marked 4 Firmly fix the ass y cable with clamp wire holder 5 Assemble the cover E parts 6 To prevent the entry of water form a trap of the ass y cable as illustrated in...

Page 18: ...ase recheck that pressure is staloilization Close the valve of the low pressure side of manifold gauge clockwise Remove the hose of the low pressure side of manifold gauge 7 Check for gas leakage 6 At...

Page 19: ...way valve clockwise to close connect the pressure gauge low pressure side to the service valve and open the 3 way valve again 5 Check the pressure indicated by the pressure gauge low pressure side Re...

Page 20: ...ide 160 300 500 200 350 550 Fixing Torque Final Torque Torque kg cm Connection Pipe Length 5m Max 5 10m Air Purge Method Refer to the detailed Air Purge Procedure Refrigerant Adjustment Unnecessary Ad...

Page 21: ...connected to the outdoor unit At this time cover the valve of the outdoor unit and the other pipe using a cap or vinyl plug to avoid foreign material entering 6 Make sure you do not bend the connecti...

Page 22: ...ond finger to the left and right handle and pull to open the inlet grille 4 Take the left and right filter out 5 Loosen one of the right fixing screw and seperate the terminal cover 6 Loosen three fix...

Page 23: ...dy 1 Do 1 2 above 2 Take all the connector of PCB upper side out Inclusion Earth Wire 3 Separate the outdoor unit connection wire from the terminal block 4 If pulling the Main PCB up it will be taken...

Page 24: ...dure Remark 5 Fan Motor and Cross Fan 1 Do 1 2 3 4 above 2 Loosen the fixing three screws and separate the motor holder 3 Loosen the fixing screw of fan motor By use of M3 wrench 4 Separate the fan mo...

Page 25: ...Remove the top cover 3 Remove the control box cover 4 Unplug the ass y cable 5 Remove the cabi side 6 Remove the cabi front When you assemble the parts check if the each parts and electric connectors...

Page 26: ...of the indoor unit decreases It indicates power is on The LED stops blinking if the operation ON OFF button on the remote control unit is pushed In happens after a delay of 3 minutes when the compres...

Page 27: ...al Is voltage at 17 terminal of the Micom normal 0VDC Is voltage at 16 terminal of the Micom normal 5VDC Is the input rating 10 range applied to the between 1 and 3 of CN78 Check linkage between power...

Page 28: ...rocedure After unplugging out the power cord should be reconnected within five seconds Does the operating lamp blink Does the Solid State Relay SS71 work properly Is the supply voltage of the fan moto...

Page 29: ...ower cord should be recon nected within five seconds Does the operating lamp blink YES YES NO NO NO NO NO YES NO Outdoor unit is out of order Power relay is out of order Power relay should be replaced...

Page 30: ...03 or IC06 is faulty Micom IC04 is faulty Normal Check as in the procedure No Power parts Refer to page 5 2 5 2 5 In the Heat mode When there is no warm air current Check this first 1 Is the set tempe...

Page 31: ...module is faulty Q601 C4375Y or Q602 C1623Y is faulty IR LED CL 1L5EU is faulty sound heard from the indoor unit when ON OFF button on the remote control unit pushed Voltage of battery less than 2 5V...

Page 32: ...ace PCB module 5 3 1 Replace PCB module Remove power cord Replace the PCB module Check the connection and plug in Does all display lamp blink or STD lamp blink Replace another PCB module Refer to set...

Page 33: ...Model option The Method for Setting up the model option with remocon Note In case the wrong letter has been selected continue to press the button until the correct letter appears 1st If the first sta...

Page 34: ...p 4 Pressing the ON OFF button When pressing the operation ON OFF key with the direction of remote controller for unit the sound Ding or Diriring is heard and the first LED lamp on the left side is fl...

Page 35: ...TEMS REMOCON MODEL SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 AQA24C5ME SH24AC5 AQA24C6ME SH24AC6 AQA18C9ME SH18AC9 AQA18C0ME SH18AC0 0 0 0 0 9 8 9 8 5 5 5 5 9 9 9 9 1 1 1 1 4 4 4...

Page 36: ...its substrate So if a circuit board is roughly handled such lead wires and parts will be easily broken or damaged by bending or shock 5 When soldering the lead wires of any new part be sure to polish...

Page 37: ...1 about DC 325 v 10 3 DC voltage at IC02 IN GND DC12 v OUT GND DC5 v 4 Voltage waveform at Q201 collector GND squarewave Voltage check 1 Voltage of IC06 1 COOL PIN 40 PIN 41 or PIN 42 1 HEAT PIN 40 PI...

Page 38: ...oded Views and Parts List 6 1 Indoor Unit 1 2 4 1 1 6 2 6 3 13 5 10 11 14 12 15R 17R or 16R 17 8 7 9 9 1 3 3 3 2 3 3 1 6 1 6 1 6R You can search for the updated part code number through the ITSELF URL...

Page 39: ...PING MOTOR ABS 1 1 6 2 DB66 00104A BLADE H ABS 1 1 6 3 DB93 00860A ASS Y DISPLAY CENTER ASS Y 1 1 7 DB96 01125A ASSY EVAPORATOR PLATE 1 2 5 8 1 1 DB96 01125D ASSY EVAPORATOR SLIT 1 5 1 2 1 8 DB67 0005...

Page 40: ...6 3 Samsung Electronics 4 1 3 2 5 11 6 16 8 10 9 7 14 15 15 2 15 6 15 4 15 3 15 5 15 1 13 13 1 12 4 12 5 12 1 12 2 12 12 3 17 1 17 3 17 5 17 6 17 2 17 7 17 4 6 2 Outdoor Unit 6 2 1 18K BTU...

Page 41: ...028A NUT WASHER M8 3 12 3 DB60 30018A NUT FLANGE M5 1 12 4 DB63 00450A COVER TERMINAL POLYCARBONATE 1 12 5 DB63 00451A COVER BUSHING POLYCARBONATE 1 13 DB99 00164A ASSY 4WAY VALVE ASSY 1 13 1 DB62 008...

Page 42: ...6 5 Samsung Electronics Exploded Views and Parts List 6 2 2 24K BTU 15 6 15 1 15 5 15 4 15 3 15 2 15 2 13 1 14 9 10 3 4 2 1 11 13 7 16 6 5 17 8 12 3 12 4 12 1 12 2 12 17 1 17 4 17 5 17 2 17 6 17 3...

Page 43: ...0028A NUT WASHER M8 3 12 3 DB63 00450A COVER TERMINAL POLYCARBONATE 1 12 4 DB63 00451A COVER BUSING POLYCARBONATE 1 13 DB99 00173A ASSY 4WAY VALVE ASSY 1 13 1 DB62 00898A VALVE SERIVCE 5 8 5 8 1 14 DB...

Page 44: ...6 7 Samsung Electronics 6 3 Remote Control PCB Box 6 3 1 Remote Control DB93 00251L 1 Parts List No 1 Description ASS Y PCB REMOCON BATTERY COVER Specification ARH 403 Q TY 1 1 Remark...

Page 45: ...2 PCB Box 4 1 2 3 Parts List No 1 2 3 4 PD SH30ZC 00 DB32 00027B DB93 00926A DB39 00172A ASS Y MAIN PCB ASS Y THERMISTOR ASS Y PCB S W MODULE CONNECTOR WIRE DISPLAY PD SH30ZC 00 103AT 240 240 ASS Y AW...

Page 46: ...Diagram INDOOR UNIT OUTDOOR UNIT Heat exchanger Evaporator Gas side 3 way valve 2 way valve Liquid side Capillary tube Cooling Gas leak check point Cross fan Heat exchanger Condenser Propeller fan He...

Page 47: ...Samsung Electronics 8 1 8 PCB Diagrams 8 1 Main PCB 8 1 1 Indoor Unit PD SH30ZC 00 PD SH30ZC 02...

Page 48: ...470OHM 5 1 4W AA TP 2 4X6 4MM 1 30 R206 501 502 601 604 606 902 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM 7 31 R201 207 208 401 403 408 603 605 608 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 9 32 R910 911 912...

Page 49: ...Description Specification Q TY PCB DISPLAY MODULE REMCOON TACT SWITCH C CERAMIC C CERAMIC DIODE SWITCHING R CARBON JUMP WIRE CONNECTOR WAFER CONNECTOR WAFER 1 2 3 4 5 6 7 8 9 10 FR 1 T1 6 FRP 4021H6 K...

Page 50: ...9 1 Samsung Electronics 9 Wiring Diagrams 9 1 Indoor Unit...

Page 51: ...Samsung Electronics 9 2 9 2 Outdoor Unit SH24AC5 6 X SH18AC9 0 X MARK NAME MARK NAME PR POWER RELAY T1 1 2 TERMINAL BLOCK 20S SOLENOID COIL CH C1 CAPACITOR FM1 FAN MOTOR F FUSE 2A 250V S SPARK KILLER...

Page 52: ...MEMO 9 3 Samsung Electronics...

Page 53: ...Samsung Electronics Samsung Electronics 10 2 10 1 10 Schematic Diagrams 10 1 Indoor Unit...

Page 54: ...MEMO Samsung Electronics 10 3...

Page 55: ...u need more information please see the service website Itself Solution Integrated technology supporting electronic library http itself sec samsung co kr Copyright 2002 By Samsung Electronics Co Ltd Al...

Page 56: ...ELECTRONICS Samsung Electronics Co Ltd Apr 2002 Printed in Korea Code No DB98 05230A 1...

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