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Samsung AQT24A5RE/B, Service Manual

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Samsung AQT24A5RE/B Service Manual Download Page 23

Samsung Electronics

4-4

4-2 Outdoor Unit

No

Parts

Procedure

Remark

1

2

Cabinet

Fan Motor

&

Propeller Fan

1) Turn off the unit and remove the power

cable.

2) 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 are fixed
firmly.

1) Do Procedure  1  above.
2) Remove the nut flange.

(Turn to the right to remove as it is a left
turned screw)

3) Disassemble the propeller fan.

 DB81_00114A(5)_1  11/5/02 4:17 PM  Page 4-4

Summary of Contents for AQT24A5RE/B

Page 1: ...10 Schematic Diagrams ROOM AIR CONDITIONER INDOOR AQT24A B 5 6 RE B AQT18A B 9 0 RE B AQ18A B 9 0 RE SH24AT B 5 SH18ZA B 9 AQT24A B 5 6 RED AQ18A B 9 0 RE B D SH24TA B 6D SH18ZA B 0D AQT24C5 6 RE B A...

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: ...0BTU h 6 80KW 24 000BTU h 6 90KW 14 0 14 0 14 5 14 5 3 0 198 264 12 5 12 5 13 0 13 0 2 6 2 6 2 7 2 65 86 7 86 7 86 5 84 9 9 2 8 9 82 Microprocessor I C Thermistor Wireless remote control 24 Hour ON or...

Page 5: ...anger plate AQT18A B 9RE AQT18A B 0RE AQT18C9 0 RE Cool Heat 220 240V 50Hz BTU KW BTU KW 18 000BTU h 5 10KW 20 000BTU h 5 60KW 13 0 13 0 13 5 13 5 2 5 198 264 9 5 9 5 10 0 10 0 2 00 2 00 2 10 2 10 87...

Page 6: ...te control 24 Hour ON or OFF 3 Steps and Turbo 2 Step Manual Auto Rotary SAMSUNG R22 1 550g Capillary tube 45 42 39 55 Flare type 15 6 35 1 4 12 70 1 2 Optional Hanger plate AQT24A B 5 6 RED SH24TA B...

Page 7: ...h 5 60 13 5 13 5 14 0 14 0 2 5 198 264 8 1 8 1 7 9 7 9 1 76 1 76 1 70 1 70 94 5 94 5 93 6 93 6 10 2 2 90 11 8 35 Microprocessor I C Thermistor Wireless remote control 24 Hour ON or OFF 3 Steps and Tur...

Page 8: ...perssor oil cc Oil Specific gravity Coil resistance Ambient temp 25 C Safety devices Type Overloal relay Operating temp Open C Close C Operating amp Ambient temp Run capacitor F x VAC Type Dia and len...

Page 9: ...sor oil cc Oil Specific gravity Coil resistance Ambient temp 25 C Safety devices Type Overloal relay Operating temp Open C Close C Operating amp Ambient temp Run capacitor F x VAC Type Dia and length...

Page 10: ...Reciprocating AWG5520EXN 2070 WITCO LP200 OR EQUIVALENT INITIAL 1125 REFILL 1066 0 92 Common to main 2 72 Common to sub 1 32 15HM2311 148 Internal Line Break 120 69 73 0 AT 2 10 SECOND 25MF x 370VAC...

Page 11: ...rssor oil kind Comperssor oil cc Oil Specific gravity Coil resistance Ambient temp 25 C Safety devices Type Overloal relay Operating temp Open C Close C Operating amp Ambient temp Run capacitor F x VA...

Page 12: ...ronics 2 3 Dimensions 2 3 1 Indoor Unit 2 3 2 Outdoor Unit 2 3 2 a 24K BTU Front view 1080 204 275 Rear view Front view Rear view 310 638 660 880 Remote control 22 45 115 The feature is subject to be...

Page 13: ...Samsung Electronics 2 10 2 3 3 b 18K BTU Front view Rear view 320 620 582 787 340 Product Specifications...

Page 14: ...2 11 Samsung Electronics 2 4 Pressure Graph 24K BTU 18 BTU Outdoor inlet air D B temp C Outdoor inlet air D B temp C Low pressure kg cm 2 G Low pressure kg cm 2 G...

Page 15: ...MEMO Samsung Electronics 2 12...

Page 16: ...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 17: ...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 18: ...ping 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 19: ...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 20: ...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 21: ...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 out 1 Do 1...

Page 22: ...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 23: ...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 24: ...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 compress...

Page 25: ...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 26: ...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 27: ...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 28: ...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 29: ...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 30: ...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 31: ...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 32: ...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 33: ...Q24A6RBD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9 9 8 8 9 8 8 9 9 8 9 8 9 8 8 8 8 8 8 8 8 9 8 9 8 4 4 4 4 7 7 7 4 4 4 6 6 6 6 6 6 4 4 7 7 5 4 4 5 5 6 6 6 6 4 4 4 4 4 4 3 3 4 4 3 4 6 6 4 4 4...

Page 34: ...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 35: ...e check 1 AC voltage at C702 rating voltage 10 range 2 DC voltage at C101 about 325 v 10 3 DC voltage at IC02 KA7805 IN GND DC12 v OUT GND DC5 v 4 Voltage waveform at Q201 collector GND squarewave Vol...

Page 36: ...s and Parts List 6 1 Indoor Unit 1 2 4 1 1 7 2 6 15 5 11 12 16 14 17L or 17R 18L or 18R 19 13 9 8 10 10 1 3 3 3 2 3 3 1 7 1 7 1 7R 7L 7 3 You can search for the updated part code number through the IT...

Page 37: ...1 10153B ASSY STEPING MOTOR ASSY 1 1 1 7 2 DB66 00104A BLADE H ABS 1 1 1 7 3 DB93 00860A ASSY CENTER DISPLAY ASSY 1 1 1 MODEL C 8 DB96 01125A ASSY EVAPORATOR PLATE 1 2 5 8 1 DB96 01125D ASSY EVAPORATO...

Page 38: ...PING MOTOR ASSY 1 1 7 2 DB66 00104A BLADE H ABS 1 1 7 3 DB93 00860A ASSY CENTER DISPLAY ASSY 1 1 MODEL C 8 DB96 01125A ASSY EVAPORATOR PLATE 1 2 5 8 1 DB96 01125D ASSY EVAPORATOR SLIT 1 5 1 2 1 9 DB67...

Page 39: ...Samsung Electronics 6 4 4 1 3 2 5 13 13 1 11 6 16 8 10 9 12 1 12 2 12 12 4 12 3 7 14 15 15 2 15 6 15 4 15 3 15 5 15 1 17 1 17 3 17 5 17 6 17 2 17 7 17 4 6 2 Outdoor Unit 6 2 1 18K BTU...

Page 40: ...VALVE ASSY 1 DB99 00195A ASSY VALVE 4WAY ASSY 1 1 DB90 00260A ASSY VALVE 4WAY ASSY 1 13 1 DB62 40074C PACKED VALVE 1 2 1 1 1 DB62 00898B VALVE SERVICE 1 2 1 1 1 14 DB99 10136C ASSY CHECK VALVE ASSY 1...

Page 41: ...Exploded Views and Parts List Samsung Electronics 6 6 6 2 2 24K BTU 13 1 13 1 13 1 13 1 13 1 13 1 13 1 12 12 1 14 9 10 3 4 2 1 11 12 2 13 7 16 6 5 17 8 18 1 18 4 18 5 18 2 18 6 18 3...

Page 42: ...7A ASS Y VALVE 4WAY ASS Y 1 DB99 00232A ASS Y VALVE 4WAY ASS Y 1 13 1 DB62 40055F PACKED V V5 8 20LT MIN 1 1 DB62 00899B VALVE SERVICE 5 8 20LT MIN 1 1 14 DB99 10138C ASS Y CHECK V V ASS Y 1 DB99 1013...

Page 43: ...ng Electronics 6 8 6 3 Remote Control PCB Box 6 3 1 Remote Control 1 Parts List No 1 Description ASS Y PCB REMOCON BATTERY COVER ASS Y PCB REMOCON Specification DB93 00251L DB93 00861L Q TY 1 1 1 Rema...

Page 44: ...5 PD SH30ZC 00 PD SH30ZC 02 DB32 00027B DB93 00311C DB39 00172A DB63 00115A ASS Y MAIN PCB ASS Y MAIN PCB ASS Y THERMISTOR ASS Y PCB DISPLAY CONNECTOR WIRE DISPLAY COVER DISPLAY UP PD SH30ZC 00 PD SH3...

Page 45: ...MEMO Samsung Electronics 6 10...

Page 46: ...iagram 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 Heat...

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: ...C CERAMIC C CERAMIC R CARBON DIODE SWITCHING JUMP WIRE CONNECTOR WAFER COVER DISPLAY UP 1 2 3 4 5 6 7 8 9 10 11 FR 1 T1 6 SY5511 YEL S05511 ORG FRB 4021H6 CA 0A 50V 102Z CA 0A 50V 104Z RD 1 4 TP 471 J...

Page 50: ...st NO 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 FRB 40...

Page 51: ...MEMO Samsung Electronics 8 5...

Page 52: ...9 1 Samsung Electronics 9 Wiring Diagrams 9 1 Indoor Unit ALL MODEL EXCEPT C...

Page 53: ...Wiring Diagrams Samsung Electronics 9 2 C...

Page 54: ...FAN MOTOR F FUSE 2A 250V S SPARK KILLER UQ18A B 9 0 RE SH18ZA B 9X UQ18A B 9 0 RED SH18ZA B 0DX UQ18A B 9 0 RBD MARK NAME MARK NAME PR POWER RELAY TB 1 2 TERMINAL BLOCK 20S SOLENOID COIL FM1 FAN MOTOR...

Page 55: ...Diagrams Samsung Electronics 9 4 MARK NAME MARK NAME 52C MAGNETIC CONTACTOR TB 1 2 TERMINAL BLOCK 20S SOLENOID COIL FM1 FAN MOTOR C1 CAPACITOR S SPARK KILLER F FUSE 2A 250V OLP INTERNAL TYPE UQ24A B 5...

Page 56: ...MEMO 9 5 Samsung Electronics...

Page 57: ...Samsung Electronics Samsung Electronics 10 2 10 1 10 Schematic Diagrams 10 1 Indoor Unit 5 _2 11 5 02 4 22 PM Page 9 6...

Page 58: ...MEMO Samsung Electronics 10 3...

Page 59: ...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 60: ...ELECTRONICS Samsung Electronics Co Ltd Nov 2002 Printed in Korea Code No DB81 00114A 5...

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