Related Manuals for Samsung AQT24A1QE/B
Summary of Contents for Samsung AQT24A1QE/B
-
Page 1: Table Of Contents
ROOM AIR CONDITIONER INDOOR INDOOR AQT24A1QE/B AQT24A2QE/B AQT24B1QE/B AQT24B2QE/B AQT18A1QE/B AQT18A2QE/B AQT18B1QE/B AQT18B2QE/B Manual SERVICE AIR CONDITIONER CONTENTS 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. - Page 2 © Samsung Electronics Co., Ltd. DEC. 1998. Printed in Korea. Code No. DB81-00029A(1)
-
Page 3: Precautions
9 . Keep children away from the unit while it is being re p a i re d . Fig. 1-3 No Kids Nearby! 1 0 . Be sure to clean the unit and its surro u n d- ing are a . Fig. 1-4 Clean the Unit Samsung Electronics... - Page 4 M E M O Samsung Electronics...
- Page 5 62.0 Remarks : Rating Conditions are : Indoor air temperature ISO(50Hz) : 27˚C DB/19.0˚C WB, ISO(60Hz) : 27.0˚C DB/19.5˚C WB, SASO : 29.0˚C DB/19.0˚C WB Outdoor air temperature ISO : 35.0˚C DB/24.0˚C WB, SASO : 46.0˚C DB/24.0˚C WB Samsung Electronics...
-
Page 6: Major Component Specifications
AL-FIN / Copper tube AL-FIN / Copper tube AL-FIN / Copper tube Heat Rows x Steps 2 x 24 2 x 24 2 x 24 2 x 24 Fin pitch E x c h . Face area 0.5376 0.5376 0.504 0.504 Samsung Electronics... - Page 7 2-3 Dimensions 2-3-1 Indoor Unit (Remote control) (Front view) 1080 (Rear view) 2-3-2 Outdoor Unit 2-3-2(a) 24K BTU (Front view) (Rear view) Samsung Electronics...
-
Page 8: Product Specifications
Product Specifications 2-3-3(b) 18K BTU (Front view) (Rear view) Samsung Electronics... - Page 9 2-4 Pressure Graph 24K BTU 18K BTU Samsung Electronics...
- Page 10 M E M O Samsung Electronics...
- Page 11 Without regard to ON/OFF condition in remote controller, use this button to set current time. TIME Adjust the current time using button. (Data can be transmitted after setting up the time) Samsung Electronics...
- Page 12 7. FAN SPEED : Manual / Auto De-ice end by sensing of the pro c e s s i n g Fan speed automatically varies depending time by de-ice Condition. on both the diff e rence between setting and the room temperature . Samsung Electronics...
- Page 13 The LCD also displays the time re m a i n i n g . 1 3 . BUZZER SOUND : Whenever the ON/OFF button is pressed or whenever change occurs to the condition which is set up or select, the compulsory operation mode, buzzer is sounded "beep" Samsung Electronics...
- Page 14 It is harmful to the air conditioner if it is used in the following environments: greasy areas (including areas near machines), salty areas such as coast areas, areas where sulfuric gas is present such as hot spring areas. Contact your dealer for advice. Samsung Electronics...
-
Page 15: Installation Diagram Of Indoor Unit And Outdoor Unit
125mm or more Cut the piping hole sloped slightly Remote control Remote control holder Piping (Liquid) 1/4" Clamper tube 18K BTU Piping(Gas) 1/2” Installation plate 24K BTU Piping(Gas) 5/8” Installation tube Pipe-connection Vinyl tape Screw Putty Drain hose Samsung Electronics... - Page 16 Result : All inert gas escapes from the indoor unit. • To prevent dirt or foreign objects from getting into the pipes during installation, do NOT remove the caps completely until you are ready to connect the piping. Samsung Electronics...
-
Page 17: Operating Instructions And
3. Pass the drain hose under the refrigerant piping, taking care to keep the drain hose tight. 4. Pass the drain hose through the hole in the wall, making sure that it is sloping downwards, as shown in the illustrations above. Shield Drain hose Extension drain hose Samsung Electronics... -
Page 18: Samsung Electronics
In heating and deice operation, condensed water may be generated. Hole Install drain line as following pro c e d u re . Drain plug Base 1. Insert the drain plug into base hole 2. And then connect drain hose to drain plug. Drain Hose Samsung Electronics... - Page 19 Caution : Burrs not removed may result in leakage of gas. Pipe Reamer Oblique Raughness Burr 3 ) Insert a flare nut into the pipe and modifty flare . Outer diameter A(mm) ø6.35mm ø9.52mm ø12.7mm ø15.8mm * Unproper flaring Inclined Surface Cracked Uneven damaged thickness Samsung Electronics...
- Page 20 Liquid pipe side Gas pipe side 6. Open the 2-way valve and 3-way valve completely 2-way valve 3-way valve Outdoor Unit 7. Close the cap of each valve. 8. Check each valve for leakage. 3-10 Samsung Electronics...
- Page 21 7. Stop operation of the air conditioner. 8. Close the 3-way valve, disconnect the pressure gauge, and open the 3-way valve again. 9. Close the cap of each valve. 3-11 Samsung Electronics...
- Page 22 24K BTU 18K BTU 3-2-2(j) Flare unt fixing torque Torque (kg-cm) Outter diameter Fixing Torque Final Torque ø 6.35 mm (Liquid Side) ø 9.52 mm (Gas Side) ø 12.7 mm (Gas Side) ø 15.8 mm (Gas Side) 3-12 Samsung Electronics...
- Page 23 At this time, cover the pipe of the indoor 8. Remove the mounting plate for the indoor unit and the other pipe using a cap or vinyl unit and move it to a new location. plug to avoid foreign material entering. 3-13 Samsung Electronics...
-
Page 24: Disassembly And Reassembly
7) Pull the upper left and right of discharge softly for the outside cover to be pulled out. 8) Pull softly the lower part of discharge and push it up. Caution; Assemble the front panel and fix the hooks of left and right. Samsung Electronics... - Page 25 4) Separate the bush body at the upper side and holder at the rearside. 5) Loosen the two fixing screws of left side. 6) Lifting the heat exchanger up a little to push the up side for separation from the indoor unit. Samsung Electronics...
- Page 26 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 motor from the fan. 5)Separate the fan from the left holder bearing. Samsung Electronics...
-
Page 27: Outdoor Unit
Fan Motor & 1) Do Procedure 1 above. Propeller Fan 2) Remove the nut flange. (Turn to the right to remove as it is a left turned screw) 3) Disassemble the propeller fan. Samsung Electronics... - Page 28 M E M O Samsung Electronics...
-
Page 29: Troubleshooting
Indoor unit Room sensor Error (open or short) 3 O P E R ATING and TIMER LED blinking (1Hz) Indoor unit heat exchanger temperature sensor Error (open or short) 4 FAN LED blinking (1Hz) Indoor fan malfunctioning (for spead is Below 38Orpm) Samsung Electronics... -
Page 30: Fault Diagnosis By Symptom
Check PCB pattern . Replace ICO2 10ms Replace main PCB. Is voltage output terminal of D101~D105(IN4007) normal? Are voltage at #30 and #31 of the micom normal? Replace resonator (X501) 100ns Replace IN4007 Is operation normal? Replace micom Samsung Electronics... - Page 31 Test rod location Normal voltage PCB CN73 Condition Fan operate = AC 180V Pin 3, Pin 5 MF-C is out of order Replace MFC Fan motor Fan motor should be replaced. is out of order. Samsung Electronics...
- Page 32 Power relay should be Is the rating voltage ±10% range applied relay between out of order replaced. CN78 Outdoor unit is out of order. Is the room sensor normal register? (25°C 10KΩ) 10°C 20°C 30°C 17.96k Ω 12.09k Ω 8.3k Ω Samsung Electronics...
- Page 33 Is the voltage between CN71 #1 and CN78 #1 the rating voltage ±10% range? Abnormal RY73 Abnormal 4way valve of Outdoor Unit. or connecting Cable PCB should be replaced. 4 way valve should be replaced or connecting Cable Check. Samsung Electronics...
-
Page 34: If Operation By Remote Control Unit Is Impossible. (Initial Diagnosis)
Voltage at PIN #30 of Remocon Micom change? Voltage at collecter of Q601 or Q602 change? Q601(C4375Y) or Q602(C1623Y) is faulty. IR LED(CL-1L5EU) is faulty. Voltage at pin #26 of micom (IC04) change (INDOOR UNIT)? Receiver module is faulty. Micom (IC04) is faulty. Samsung Electronics... -
Page 35: Pcb Inspection
The parts should be replaced in the following pro c e d u re . Check for any faulty part. Detach the faulty part. Replace it with a new part. Check the operation of the new part. The repair is completed. Samsung Electronics... - Page 36 1. Indoor unit fan motor is faulty. RMC switch pushed. above 180V~ 1. [FAN] mode 2. Poor connection of indoor fan motor 2. Fan speed [Hi] 2. Indoor unit fan motor does not operate. and connector of RPM sensing (CN43) 3. Continuously operation Samsung Electronics...
-
Page 37: Fault Diagnosis Of Major Parts
Black, Red ∞, O Ω … open or short Abnormal Measure resistance between red wire and each terminal. Stepping Motor Normal Approx. 380Ω at ambient temperature (20°C ~30°C) (UP/DOWN swing motor) ∞, O Ω … open or short Abnormal Samsung Electronics... -
Page 38: Exploded Views And Parts List
6. Exploded Views and Parts List 6-1 Indoor Unit Samsung Electronics... - Page 39 DB93-10555B ASS´Y MAIN PCB PD-Q24B1Q-04 1(A1,B1) 1(A1,B1) (DB93-10555D) ASS´Y MAIN PCB PD-Q24B1Q-07 1(A2,B2) 1(A2,B2) DB32-10008E ASS´Y-TERMISTOR 103AT DB61-10163A CASE CONTROL ABS(VO) DB94-20037B ASS´Y BACK BODY HIPS DB61-40246A HOLDER PIPE DB70-10663A PLATE HANGER SGCC-M DB26-10065B TRANSFORMER AC230V / DC17V Samsung Electronics...
- Page 40 6-2 Outdoor Unit 6-2-1 18K BTU 13-2 14-3 14-1 15-4 14-2 15-1 15-5 13-1 15-3 15-2 18-1 18-4 18-5 18-2, 18-3 18-7 18-6 Samsung Electronics...
- Page 41 CLOTH SOUND UP 18-1 DB39-20546A CONNECTOR POWER 3G,2.5mm 4G,1.00mm 18-2 DB39-10058A CONNECTOR WIRE 18-3 DB39-20235A CONNECTOR WIRE 2G,0.75mm 18-4 DB67-20011A DRAIN PLUG OUT 18-5 DB63-10355C CAP DRAIN C3771BD 18-6 DB60-30010A NUT FLANGE 1/4” C3771BD 18-7 DB60-30010C NUT FLANGE 1/2” Samsung Electronics...
- Page 42 6-2-2 24K BTU 13-2 14-3 14-1 15-4 14-2 15-1 15-5 13-1 15-3 15-2 18-1 18-4 18-2, 18-3 18-6 18-7 Samsung Electronics...
- Page 43 CLOTH SOUND COMP DB72-50614A CLOTH SOUND UP 3G,2.5mm 18-1 DB39-20546A CONNECTOR POWER 4G,1.0mm 18-2 DB39-10058A CONNECTOR WIRE 2G,0.75mm 18-3 DB39-20235A CONNECTOR WIRE 18-4 DB67-20011A DRAIN PLUG OUT 18-5 DB60-30010A NUT FLANGE 1/4” C3771BD 18-6 DB60-30010D NUT FLANGE 5/8” C3771BD Samsung Electronics...
- Page 44 LABEL DOOR ART 90 PH-M2 SCREW TAP PH-M2 DB67-60061A SPRING BATTERY SUS 304 DB67-60062A SPRING BATTERY SUS 304 DB67-60063A SPRING BATTERY SUS 304 90 X 250 PE BAG 90 X 250 DB93-40179C ASS’Y PCB REMOCON DB61-40243A HOLDER REMOCON Samsung Electronics...
- Page 45 ASS'Y MAIN PCB PD-Q24B1Q-06 1(A2,B2) DB93-10555B ASS'Y MAIN PCB PD-Q24B1Q-04 1(A1,B1) DB93-10555D ASS'Y MAIN PCB PD-Q24B1Q-07 1(A2,B2) DB32-10008E ASS'Y THERMISTOR 103AT 240/240 DB93-10600B ASS’Y PCB DISPLAY ROUND 1(B1,B2) 1(B1,B2) DB93-10599B ASS’Y PCB DISPLAY EDGE 1(A1,A2) 1(A1,A2) DB26-10065B TRANSFORMER AC230V/DC17 Samsung Electronics...
- Page 46 M E M O Samsung Electronics...
-
Page 47: Block Diagrams
7-1 Refrigerating Cycle Block Diagram INDOOR UNIT OUTDOOR UNIT Capillary tube Check valve 2-way valve Liquid side Capillary tube Heat Heat exchanger exchanger (Evaporator) (Condenser) Gas side 3-way valve 4-way valve Accumulator Cooling Heating Compressor Gas leak check point Samsung Electronics... -
Page 48: Pcb Diagrams
8. PCB Diagrams 8-1 Main PCB Samsung Electronics... - Page 49 WIRE SO COPER PI0.6 SN T 52MM OPJ1, OPJ2, OPJ3 CN72 CONNECTOR WAFER YW396-03AV WHT CN11 ” SMW250-03 RED F101 DB47-90053A FUSE FST 250V~2A IC08 EEORIM 93C5L R903 R-CARBON RD 1/2T(S) 471-J C701 2305-001027 C-FILM, MPEF 224K C702 ” 104K Samsung Electronics...
- Page 50 UL1007 AWG#26/9 DB61-10192A (R) CASE-CENTER PCB UP PC(BLU) DB61-10193A (R) CASE-CENTER PCB LOW ABS(BLK) DB72-10240A SEAL C/T PCB UP (L) 30FOAM-PE, T=3 DB72-10240B SEAL C/T PCB UP (R) 30FOAM-PE, T=3 DB72-10239A SEAL C/T PCB LOW 30FOAM-PE, T=3 DCR200H(BROWN) Samsung Electronics...
-
Page 51: Wiring Diagrams
9. Wiring Diagrams 9-1 Indoor Unit Samsung Electronics... - Page 52 9-2 Outdoor Unit MARK NAME MARK NAME MAGNETIC CONTACTOR TB 1,2 TERMINAL BLOCK SOLENOID COIL CRANK CASE HEATER CAPACITOR FAN MOTOR FUSE(2A, 250V~) SPARK KILLER Samsung Electronics...
- Page 53 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 54: Schematic Diagrams
10. Schematic Diagrams 10-1 Indoor Unit PNA4612MOOXD 10-1 Samsung Electronics...