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S/M No : DSA241L001
Service Manual
Split System
Air Conditioner
Model: DSA-241L
Caution
: In this Manual, some parts can be changed for improving,
their performance without notice in the parts list. So, if you
need the latest parts information, please refer to PPL(Parts
Price List) in Service Information Center.
AUG., 2006
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Summary of Contents for Daewoo DSA-241L
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Page 1: Service Manual
S/M No : DSA241L001 Service Manual Split System Air Conditioner Model: DSA-241L Caution : In this Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service Information Center. -
Page 2: Table Of Contents
Contents 1. Features………………………………………………………………… 02 2. Specification………………………………………………………..……03 3. Dimensions…………………………………………………………..… 04 4. Refrigeration cycle diagram……………………………………………06 5. Capacity table…………………………………………………………...07 6. Wiring diagram…………………………………………………..………08 7. Troubleshooting………………………………….………….…………..11 8. Electronic function…………………………………………………… .17 9. Characteristic of temp. sensor…………………………………………23... -
Page 3: Features
1.Features 1.1 Compact design 1.2 LED display... -
Page 4: Specification
P14RE5245 (Interna) YDK36-4C Welling 2µ 1200/1120/1080/1000 1080/1020/960/880 1080X330X225 YDK53-6D Welling 2500 ≤ 56/60 R22 / 1450 ø ø °C °C... -
Page 5: Dimensions
3.Dimensions 3.1 Indoor unit DSA-241L... - Page 6 3.2 Outdoor unit DSA-241L...
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Page 7: Refrigeration Cycle Diagram
4.Refrigeration cycle diagram... -
Page 8: Capacity Table
5. Capacity table 5.1 DSA-241L SUMMER OUTDOOR TEMPERATURE DRY Indoor 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Conditions Total capacity kW 6.57 6.25 5.81 5.34 4.90 4.57 21ºC D Sensitive capacity kW 4.61 4.47 4.28 4.06 3.85 3.69 15ºC W Input kW. -
Page 9: Wiring Diagram
6. Schematic diagram and wiring diagram 6.1 Schematic diagram IN4007*8 7805 Vout 5VAC2 IC2 24C04 5VAC1 FUSE1 3.15A/250V 1000uF/25V 470uF/16V 12VAC2 14D681K 0.1uF/275VAC +12V POWER TRANS_IN PTC1 TRANS_OUT 12VAC1 R7 12K 82RM 2200uF/25V +12V EEPROM Model In_FanLL' IC1 KIA7042 SW_TEST 无... - Page 10 IN4007*8 +12V 7805 4148 Vout FUSE1 +12V 5VAC1 3.15A/250V AC_L COMP 9014 COMP 5VAC2 COMP 14D681K 0.1uF/275VAC TRANS_IN 1000uF/25V 470uF/16V TRANS_OUT PTC1 AC_N 82RM VALVE 51/1W 4148 VALVE 9014 VALVE CN10 F_OUT1 CN11 4148 F_OUT2 IN4148 F_OUT1 9014 F_OUT1 CN13 IC2 IC/UPD78F9116 IN4148 10uF/16V...
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Page 11: Indoor Unit
6.2 Wiring diagram 6.2.1 Cooling only DSA-241L WIRING DIAGRAM TRANS1 (INDOOR UNIT) XS2 XP2 UNIT1 FUSE 3.15A/250V CN10 CN11 FAN1 SWING SWING CAP1 TO OUTDOOR UNIT CN11 CN10 UNIT1 TO INDOOR UNIT POWER SUPPLY... -
Page 12: Troubleshooting
7.troubleshooting The following tables will help to find where error happened (LED on indoor unit): For models adopting electrical function Operation Timer Defrosting Auto lamp Failure phenomenon lamp lamp lamp Over current protection of the compressor ☆ ☆ ☆ ☆ occurs 4 times Indoor room temp. - Page 13 Cur r ent p rotectio n (LED indi cates) Check t he indoor air filt er. Check the out door condenser. Che ck t he positio n If wro ng, t he unit w ill and wiring of tem p result in current sen sor (all of the m).
- Page 14 T he unit does not o per ate Ye s Does the power LED C heck t he elect rical Per f orm Do th e LED lamps light af ter turning so urce. the related indicat es ERR? the switch on? inst ruct io ns.
- Page 15 PROBLEM CAUSE REMEDY Power failure Check the power cord. Wiring failure Check the wiring. Replace the terminates or wires if failure. Not operating Check the input and the output on transformer. Replace if Transformer failure failure. Indoor PCB failure Replace after checked failure. Replace the fan if cracked, out of balance, or partially Cross flow fan failure missing...
- Page 16 PROBLEM CAUSE REMEDY Open or short Temperature sensor Replace after checked failure. circuit of outdoor failure Connector failure or loose Repair or replace the sensor. temperature Outdoor PCB failure Replace after checked failure. sensor Temperature sensor Room temp or Replace after checked failure. evap temp sensor failure Connector failure or loose Repair or replace the sensor.
- Page 17 PROBLEM CAUSE REMEDY LED failure Replace the display if checked failure. No display on Remote control shut the indoor unit. Push the button to turn the display on. display No power Check the voltage. Call an electrician if not within the limit. Wiring Check the terminals.
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Page 18: Electronic Function
8. Electronic Control Principle of Large Cooling Capacity Split Model A/C Fan only mode Fan speed is high/mid/low/ Auto Cooling mode The 4-way valve is closed at cooling mode. The action of the compressor and the outdoor fan: T: Room temp. Ts: Setting temp. - Page 19 8.4.1 Generally, the 4-way valve is open in heating mode, but it is closed in defrosting mode. 8.4.2 Generally, the outdoor fan is turned off with the on-off action of compressor in heating mode, except for the defrosting mode or the end of defrost. 8.4.3 Action conditions of compressor at heating mode: compressor must run for 4 minutes after starting and then judge temperature.
- Page 20 the compressor still running. Add up to 90 minutes 8.5.2 Conditions of defrost ending: Defrosting ends when either of the following : The time gets to 10 minutes; T3>20°c...
- Page 21 8.5.3 Time sequence of the whole defrosting procedure is as follows: Defrost 10or 6minutes Compressor 4-way Valve Outdoor Fan Indoor Fan Remark: when the evaporator pipe sensor temp. more than TE16, The indoor fan start to run. Auto mode 8.6.1 When running in automatic mode, the air conditioner automatically selects one of the following operation modes: cooling, heating or ventilation according to the difference between room temp.
- Page 22 8.8.2. Forced Auto 8.8.2.1 Remote control signal can be received in forced auto mode. When receiving the signals, the forced auto mode will be canceled and the A/C changes to remote control status and performs operation as the signals indicates. 8.8.2.2 The system performs control according to the remote control auto mode with a set temperature of 24°c.
- Page 23 Models and Parameters Model DSA-241L I3SEC I5MIN IFAN IRESTORE IDEFROST 2°C 12°C ANGLCOOL ANGLHEAT ANGLOFF THDEFROST TMDEFROST TLDEFROST...
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Page 24: Characteristic Of Temp. Sensor
9. Characteristic of temp. sensor Temp.℃ Resistance KΩ Temp.℃ Resistance KΩ Temp.℃ Resistance KΩ 62.2756 14.6181 4.3874 58.7079 13.918 4.2126 56.3694 13.2631 4.0459 52.2438 12.6431 3.8867 49.3161 12.0561 3.7348 46.5725 11.5 3.5896 10.9731 3.451 41.5878 10.4736 3.3185 39.8239 3.1918 37.1988 9.5507 3.0707 35.2024... - Page 25 Exploded View Parts for Model DSA-241L 220~240V, 60Hz: Indoor Unit...
- Page 26 Name Quanlity Sale code BOM code Remark Indicator for LED 13518111001 2113029215 Panel Ass’y 13528111001 2113079316 air filter 13528111002 2113079315 Air cleaner 10109121226 2113010212 Air cleaner holder 10109121225 2113010217 Screw cap 13528111003 2113079313 Panel frame assy 13528111004 2113079317 display board holder 13518111007 2113029159 display board assy...
- Page 27 Exploded View Parts for Model DSA-241L 220~240V, 60Hz : Outdoor Unit...
- Page 28 Part Name Quantity Sale code BOM code Remark Clamp for front net 10112121801 2113511801 Front net 10118121801 2124550017 Front clapboard 10924121801 2124550030 Propeller fan 10118121804 2114550002 Fan Motor 13521311801 2240041637 Holder for fan motor 10118121809 2124550020 Foam over holder for motor 10118121807 2224550001 Front right clapboard...
- Page 29 DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX: DWELEC K28177-8 CABLE: “DAEWOOELEC” PRINTED DATE: AUG., 2006...
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