SERVICE Manual AIR CONDITIONER AW05B05A(AW0500, AW0500A) AW05E05A(AW0510, AW1510A) AW05F05A. 1. Precautions. 2. Product Specifications

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1 ROOM AIR CONDITIONER AW05B05A(AW0500, AW0500A) AW05E05A(AW050, AW50A) AW05F05A SERVICE Manual AIR CONDITIONER CONTENTS. Precautions 2. Product Specifications. Installation and Operating Instructions 4. Disassembly and Reassembly 5. Troubleshooting 6. Exploded Views and Parts List 7. Block Diagram 8. Wiring Diagram

2 . Precautions. Warning: Prior to repair, disconnect the power cord from the circuit breaker. 2. Use proper parts: Use only exact replacement parts. (Also, we recommend replacing parts rather than repairing them.). Use the proper tools: Use the proper tools and test equipment, and know how to use equipment may cause problems laterintermittent contact, for example. Fig. Avoid Dangerous Contact 4. Power Cord: Prior to repair, check the power cord and replace it if necessary. 5. Avoid using an extension 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, measure the resistance between the power cord and the ground terminal. The resistance must be greater than 0 megohms. Fig. 2 No Tapping and No Extension Cords 7. Make sure that the grounds are adequate. 8. Make sure that the installation conditions are satisfactory. Relocate the unit if necessary. 9. Keep children away from the unit while it is being repaired. 0. Be sure to clean the unit and its surrounding area. Fig. No Kids Nearby! Fig. 4 Clean the Unit Samsung Electronics

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4 2. Product Specifications 2 Table Item Unit of Measure AW05B05A (AW0500) AW05E05A (AW050) AW05B05A (AW0500A) AW05E05A (AW050A) AW05F05A Remarks Type Window Dimensions: Inches 7 /6 x 2 /8 x 9/6 Width x Height x Depth mm 452 x 4 x 45 Packing Size: Inches 9 /2 x 4 7/8 x 7 /2 Width x Height x Depth mm 49 x 78 x 440 Voltage: Volt 5 Phase Single Frequency Hz 60 Operating Current A Power Consumption W Refrigerant Type FREON R22 Refrigerant Charge OZ(kg) 9.0(255) 2.0(40) 9.0(255) 2.0(40) 2.0(40) Cooling Capacity BTU/h 5,000 5,00 5,000 5,00 Kcal/h,250 E.E.R (BTU/h,W) (Kcal/hw) 2.22 Humidity Removed LT/h Air Circulation C.F.M Net Weight LBS Condenser Row Condenser Fan Type Propeller Fan Evaporator Row Evaporator Fan Type Squirrel Cage Fan Motor Model AFS05ZREA Compressor(Rotary) Model 44A052HWKA 44A052HSKA 2R7S26A6F 2R7S26A6F 44A052HSKA Overload Protect MRA Fan Motor Capacitor µf/vac 4 & 0/70.5 & 0/70 4 & 5/270.5 & 5/70.5 & 0/70 Compressor Capacitor µf/vac (DUAL TYPE) Plug Type Parallel Fan Speed Control Selector S/W Thermo Control Thermostat Design Pressure High Side/Low Side PSI 00/50 Samsung Electronics 2

5 22 Dimensions Unit : mm Samsung Electronics

6 . Installation and Operating Instructions Installation Selecting Area for Installation Select an area for installation that is suitable to the customer s needs.. Make sure that you install the unit in an area providing good ventilation. The air conditioner must not be blocked by any obstacles affecting the airflow near the air inlet and the air outlet. 2. Make sure that you install the unit in an area that allows good air handling. The installation area must be able to endure vibration from the unit.. Make sure that you install the unit away from heat or vapor. 4. Make sure that you install the unit in an area which is cool and has adequate space. 6. Make sure that you install the unit in an area which provides easy drainage for condensed water. 7. Make sure that you install the unit in area not exposed to the rain or direct sunlight. (Install a separate sunblind if exposed to direct sunlight). 8. Make sure that you install the unit in an area allowing good air movement. Do not install it in a space that would cause noise amplification of noise. 9. Fix the unit firmly if mounted in a high place. 5. Make sure that you install the unit in an area away from TVs, audio units, cordless phones, fluorescent lighting fixtures and other electrical appliances (at least meter clearance). Caution: 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

7 2 Controls and Components Thermostat control Selector LOW Fan OFF HIGH Fan HIGH Cool Coolest MED Cool LOW Cool Thermostat Selector 2 Thermostat Control Operation : By turning control knob clockwise(toward higher numbers), the temperature will be cooler. By turning the control knob counterclockwise(toward lower numbers), the temperature will be warmer. Level : Cool air will be supplied above 0~5 C Cool air will be ceased below 28~2.5 C Level 0 : Cool air will be supplied above ~7 C Cool air will be ceased below 7~ C 22 Selector Slowly turn the Fan Selector Switch in the following order : to LOW FAN, HIGH FAN, HIGH COOL, MED COOL, LOW COOL. OFF : All functions will be off. LOW FAN : The circulation of air is low. HIGH FAN : The circulation of air is maximum. LOW COOL : Circulation, cooling, and humidity removal are low(all simultaneousy operated). MED COOL : Circulation, cooling, and humidity removal are mediume(all simultaneously operated). HIGH COOL : Circulation, cooling, and humidity removal are maximum(all simultaneously operated). 2 Samsung Electronics

8 4. Disassembly and Reassembly 4 Compressor Replacement Flow Chart Locate cause of defect Release refrigerant Disconnect electrical wiring from compressor Cut refrigerant lines from compressor Plug disconnected lines Replace compressor Inspect electrical wiring for defects, and terminals for correct and secure connections Solder discharge line Solder suction line Use nitrogen gas Perform soldering function Problem? Fill system with nitrogen gas Y N Check for leakage Corrective action Check refrigerant oil level Leakage? Y N Release nitrogen gas? Low oil level? Y N Evacuate system Add oil as necessary Recharge system Pinch and braze filling tube Samsung Electronics 4

9 42 Checking the Oil Put approximately 0cc oil into a transparent container and test it. 42 Oil quality Condition of Refrigerant Cycle Color Condition of Oil Odor Remarks Normal Light Yellow No Odor Return with the system Overheat Brown Color Oil Change Motor Damage Dark Brown Pungent Oil Oil Change 422 Changing and adding refrigerant oil. Change the compressor DO NOT recharge the oil as the compressor itself is already charged. 2. Change the condenser... add 50cc. Change the evaporator... add 50cc 4. When the refrigerant is replaced... add 0cc oil. 5. After vacuum is completed, the oil is filled through the high pressure side. 6. In the event of a refrigerant leak, generally it is not necessary to add oil (unless the oil has leaked significantly). 4 Refrigerant Oil Specifications Model Oil Specification Oil Change AW05B05A(AW0500) SONTEX 200LT 260CC AW05E05A(AW050) SONTEX 200LT 260CC AW05B05A(AW0500A) SUNISO 4GDID 260CC AW05E05A(AW050A) SUNISO 4GDID 260CC AW05F05A SONTEX 200LT 2600CC AW05F05A SUNTEX 200LT 260CC 42 Samsung Electronics

10 44 Disassembly and Reassembly Procedure Stop operating of the air conditioner and remove the power cord before repairing the unit. No. Part name Procedures Remarks Ass'y Grille. Remove the knobs and the grille screw located behind the guard air filter. 2. Remove the grille from the cabinet by pushing in on the grille tabs on both cabinet sides, and then lift the grille off the top latches. ➁ Ass'y Frame. Remove the 7 screws on each of the cabinet and lift the cabinet upward. ➂ Ass'y Evaporator. Remove foamseal on the top of the unit. 2. Remove 4 screw on the both side of evaporator.. Separate the evaporator from the unit. ➃ Ass'y Blower. Loose the nut to disassemble the blower. Samsung Electronics 4

11 Disassembly and Reassembly No. Part name Procedures Remarks ➄ Ass'y Condenser & Fan propeller. Remove the 2 screws on the bottom between the basepan and the condenser and 2 screws on left side of condenser. 2. Separate the condcasing from the basepan.. Loose the nut to disassemble the fanpropeller. 4. Separate the fanpropeller from the motor and the condcasing. ➅ Ass'y Control. Remove the 2 screws at the bottom of between the basepan and the controlbox. 2. Separate the power cord from the base pan. ➆ Ass'y Motor. Remove the 2 screws on the motor and mountor motor. 2. Separate the motor from mountor motor. 44 Samsung Electronics

12 5. Troubleshooting Before troubleshooting the air conditioner, it is necessary to determine whether the electrical power or the electrical parts are faulty. Follow this procedure : 5 Method of Troubleshooting and Cautions on Troubleshooting 5 Check the Voltage of the power source. The input voltage shall be 5V/60Hz The air conditioner may not operate properly if the voltage is out of this range. 52 Check weak and fragile parts. 5 Check the connection of terminals. 54 When a malfunction occurs: Malfunction Check point Possible cause ➀ ➁ ➂ ➃ The compressor does not operate. The motor does not operate. The cooling capacity is low. Noise. check the thermostat position.. Setting temp is lower than room temp. 2. check the connection of the lead wire. 2. Disconnection of the lead wire.. check the over load protector.. O.L.P is faulty 4. check the compressor. 4. Compressor is faulty. check the connection of the lead. disconnection of the lead wire wire & switch. 2. switch is faulty. 2. check the motor. motor is faulty. check the refrigerant leakage.. Caused by the pipe crack 2. check the evaporator condition 2. shortage of refrigerant ( freezing, blocked with dusts, etc. ). clean the evaporator & air filter. Difference of temp. exists between the suction side and the discharge side at least 2 C Standard condition Indoor : 27 C outdoor : 5 C. check vibration of the pipe. pipes are contact with the other parts. 2. check the propeller fan and blower 2. the hex nut is loose ( not loose or broken ).. the parts are broken. check bearing noise of the motor 4. motor is faulty 4. check the compressor noise against 5. compressor is faulty that of other compressors. Samsung Electronics 5

13 6. Exploded View and Parts List Samsung Electronics

14 Part List Q'TY No. Code No. Description Specification AW05B05A (AW0500) AW05E05A (AW050) AW05B05A (AW0500A) AW05E05A (AW050A) AW05F05A Remarks DB A DB B DB A DB B DB A DB A DB A DB A DB B DB A DB A DB A DB A DB A DB67 000A DB6 0008A DB7 000A DB6 000A DB A DB A DB 0005A DB A DB A DB A DB A DB A DB90 002B DB7 0006A DB A DB A DB A DB B DB A DB A DB A DB A DB B DB B DB A DB A DB F DB5 0002A DB6 0504A DB A DB6 0002A DB6 0026A DB A DB A DB A DB B DB G DB H DB C DB A DB B DB65 000A DB9 002J DB B DB E DB F DB D DB F DB D DB F 44A052HWKA 44A052HSKA DB A DB K DB A DB A DB7 20A DB7 205A KNOB THERMO KNOB SELECTOR ASSY GRILLE ASSYGRILLE GRILLE FRONT BLADE V LEVER DAMPER GUARD AIR FILTER GUARD AIR FILTER TRAY DRAIN ASSY EVAP ASSY EVAP PLATE EVAP CASING NUT FLANGE BLOWER CASE EVAP RUBBER PIPE COVER PIPE PARTITION MOUNT MOTOR MOTOR FAN CASE COND FAN PROPELLER NUT FLANGE ASSY COND ASSY COND ASSY BASE GROMMET ISOLATOR GROMMET ISOLATOR NUT WASHER TUBE DISCHARGE TUBE DISCHARGE TUBE DISCHARGE TUBE SUCTION TUBE SUCTION TUBE SUCTION ASSY TUBE CAPILLAR ASSY TUBE CAPILLAR GASKET GASKET OLP OLP COVER TERMINAL COVER TERMINAL COVER TERMINAL COVER TERMINAL NUT FLANGE COVERPARTITION ASSY CONTROL BOX ASSY CONTROL BOX ASSY CONTROL ASSY CONTROL ASSY CONTROL BOX PLATE CONTROL SWITCH ROTARY THERMOSTAT C OIL C OIL C OIL C OIL CLIP CAPACITOR POWERCORD CABINET OK SHUTTER ANGLEUP SHUTTER ANGLE UP ASSY SHUTTERRH ASSY SHUTTER RH ASSY SHUTTERLF ASSY SHUTTER LF ASSY COMP ASSY COMP ASSY COMPRESSOR ASSY SCREW DRAIN PLUG DRAIN TUBE RUBBER DRAIN RUNNER DRAIN ABS, SC 94445R, ASSY ABS, SC 94445R, ASSY ASSY, SC 94445R ASSY, SC 94445R HIPS, SC 94445R PP, SC 94445R ABS, SC 94445R ABS, SC 94445R ABS, SF(GREEN) EPS D FIN, OD 9.52 R T, OD 2R SGCC M SM20C, NTR ABS EPS NR, BLK PP SGCC M SGCC M AFS05ZREA SGCC M ABS M6, FEFZY, LF SLIT, OD 7.0, R T, OD 2R x 5S ASSY EPDM, BLK EPDM, MEI COMP HEX, 2C, M8, ZPC C220T0, OD 7.9 C220T0 C220T0, OD 9.52 C220T0, OD 9.52 C220T0, OD 9.52 ID.2x00 ID.2x750 EPDM, T 0.8 EPDM, T 0.8 MRA MRA NORYL, BLK EPDM, BLK NORYL, BLK, MEI COMP NORYL, BLK HEX, M5, SM20C ABS ASSY ASSY AW0500A AW050A ASSY SGCC M DYU, 240V, 25A BU A2 0/4uF, 70V 0/.5uF, 70V 5/.5uF, 70V 5/4uF, 270V SGCCM SPT, 25V, 0A, GRAY SCP SC94445T SGCCA, SC94445T ASSY, SC94445R(GR) PVC, SC 94445R ASSY, SC 94445R(GR) PVC, SC 94445R ASSY ASSY 2R7S26A6F ASSY PP, ID0 PP NR, T0., BLK NR, T Samsung Electronics 62

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16 7. Block Diagram 7 Refrigerating Cycle Block Diagram PINCH PIPE (SERVICE VALVE) SUCTION LINE PINCH PIPE (SERVICE VALVE) DISCHARGE LINE ACCUMULATOR/COMPRESSOR EVAPORATOR CONDENSER CAPILLARY TUBE PINCH PIPE (SERVICE VALVE) Samsung Electronics 7

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18 8. Wiring Diagram GRN ACTIVE (WHT) SELECTOR SWITCH L 4 2 NEUTRAL (RIB) ORN BLK CAPACTIOR RED WHT BLUE M S L MOTOR M H YEL RED BLK S R C COMP O.L.P BLK L THERMOSTAT C DIAGRAMELECTRIC AW05B05A(AW0500) AW05E05A(AW050) AW05B05A(AW0500A) AW05E05A(AW050A) AW05F05A CAPACITOR : 4/0µF, 70VAC CAPACITOR :.5/0µF, 70VAC CAPACITOR : 4/5µF, 270VAC CAPACITOR :.5/5µF, 70VAC CAPACITOR :.5/0µF, 70VAC Samsung Electronics 8

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20 UPDATE LOG SHEET Application date Page Part# Note(Cause & Solution) S/Bulletin# Use this page to keep any special servicing information.(service Bulletin, etc.) If only parts number changes, Just change parts number directly on parts list. And if you need more information, please see the service bulletin Copyright 995 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. SyncMaster 7GLi/CMG787L Service Manual First edition June 995. Printed in Korea. Trademarks Samsung is a registered trademark and SyncMaster 7GLi/CMG787L and MacMaster Cable Adapter are trademark of Samsung Electronics Co., Ltd. Macintosh, Centris, Quadra, Duo Dock, and Power Macintosh are trademark of Apple computer, Inc. All other trademarks are the property of their respective owners.

21 ELECTRONICS Samsung Electronics Co., Ltd. May Printed in Korea. Code No. DB8008A()