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Daewoo DSA-241L Service Manual

Summary of DSA-241L

  • Page 1

    Service manual split system air conditioner model: dsa-241l aug., 2006 ✔ 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 c...

  • Page 2

    1 contents 1. Features………………………………………………………………… 02 2. Specification………………………………………………………..……03 3. Dimensions…………………………………………………………..… 0 4 4. Refrigeration cycle diagram…………………………………………… 06 5. Capacity table…………………………………………………………... 07 6. Wiring diagram…………………………………………………..……… 08 7. Troubleshooting……...

  • Page 3

    2 1.Features 1.1 compact design 1.2 led display.

  • Page 4

    ° c ° c m m 20 r22 / 1450 56/60 2500 800 ydk53-6d 1080x330x225 1080/1020/960/880 1200/1120/1080/1000 2 µ welling ydk36-4c p14re5245 (interna) welling 16 54 150 950 ≤ ø ø 10

  • Page 5

    4 3.Dimensions 3.1 indoor unit dsa-241l.

  • Page 6

    5 3.2 outdoor unit dsa-241l 1 2.5.

  • Page 7

    6 4.Refrigeration cycle diagram.

  • Page 8

    5.1 dsa-241l summer outdoor temperature dry indoor conditions 25ºc 30ºc 35ºc 40ºc 45ºc 50ºc total capacity kw 6.57 6.25 5.81 5.34 4.90 4.57 sensitive capacity kw 4.61 4.47 4.28 4.06 3.85 3.69 21ºc d 15ºc w input kw. 2.30 2.50 2.71 2.95 3.13 3.35 total capacity kw 7.04 6.73 6.35 5.94 5.55 5.22 sensit...

  • Page 9

    8 6. Schematic diagram and wiring diagram 6.1 schematic diagram a0 1 a1 2 a2 3 gnd 4 sda 5 scl 6 wc 7 vcc 8 ic2 24c04 +5v c3 104 r4 10k r3 10k sda scl c1 104 +5v r7 12k 1 2 3 ic1 kia7042 rst buz1 r9 1k +12v buz e4 10uf/16v r17 8.1k/1% c9 104 r11 2k d14 in4148 d13 in4148 +5v 1 2 cn7 t1_room t1_room e...

  • Page 10

    9 c10 104 +5v r11 12k 1 2 3 ic6 kia7042 rst ct1 0057u d11 1n4148 r8 5.1k/1% r10 1k/1% r7 16k e3 100uf/16v d10 1n4148 r6 2k c5 104 +5v current l1 n rl5 1 cn5 ac_n l1 fuse1 3.15a/250v 1 cn9 valve 1 cn8 comp zr1 14d681k c3 0.1uf/275vac 1 2 cn6 trans_in t ptc1 82rm c15 104 r32 10k +5v 压力开关 c11 104 相序 c ...

  • Page 11

    10 6.2 wiring diagram 6.2.1 cooling only dsa-241l cn2 cn9 cn1 cn10 m ~ swing swing un it 2 cn6 cn7 cn 5 y/g re d y/ g wh it e bl ue fuse 3.15a/250v fan1 trans1 cap1 xt1 rt2 rt1 to outdoor unit unit1 1 s wiring diagram (indoor unit) xs2 xp2 cn8 cn11 ag cn1 cn4 cn3 unit1 cn5 cn8 cn6 to indoor unit pow...

  • Page 12

    11 7.Troubleshooting the following tables will help to find where error happened (led on indoor unit): for models adopting electrical function failure phenomenon operation lamp timer lamp defrosting lamp auto lamp over current protection of the compressor occurs 4 times ☆ ☆ ☆ ☆ indoor room temp. Sen...

  • Page 13

    12 cur r ent p rotectio n (led indi cates) check t he indoor air filter. Does outdo o r heat- exchanger fr osted? No it is n orma l under tha t ambient temp . Che ck t he dra inage sys tem of out door unit. Yes does ind oor heat- exchan g er frosted? Yes check sp eed of in door motor. Yes no doe s t...

  • Page 14

    13 t he unit does not o per ate does the power led light af ter turning the switch on? C heck the elect rical so urce. No check the po wer supplie r. Does the voltag e betwee n inpu t terminates o f transformer i s corre ct? Does the voltag e betwee n outp ut terminates o f transformer i s corre ct?...

  • Page 15

    14 problem cause remedy power failure check the power cord. Wiring failure check the wiring. Replace the terminates or wires if failure. Transformer failure check the input and the output on transformer. Replace if failure. Indoor pcb failure replace after checked failure. Cross flow fan failure rep...

  • Page 16

    15 problem cause remedy temperature sensor failure replace after checked failure. Connector failure or loose repair or replace the sensor. Outdoor pcb failure replace after checked failure. Temperature sensor failure replace after checked failure. Connector failure or loose repair or replace the sen...

  • Page 17

    16 problem cause remedy led failure replace the display if checked failure. Remote control shut the display push the button to turn the display on. No power check the voltage. Call an electrician if not within the limit. Wiring check the terminals. Repair and correct if loose. Temperature setting ch...

  • Page 18

    17 8. Electronic control principle of large cooling capacity split model a/c 8.1 fan only mode fan speed is high/mid/low/ auto 8.2 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. Condition compressor outdoor fa...

  • Page 19

    18 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 heatin...

  • Page 20

    19 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

    20 8.5.3 time sequence of the whole defrosting procedure is as follows: remark: when the evaporator pipe sensor temp. More than te16, the indoor fan start to run. 8.6 auto mode 8.6.1 when running in automatic mode, the air conditioner automatically selects one of the following operation modes: cooli...

  • Page 22

    21 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 th...

  • Page 23

    22 models and parameters model dsa-241l i3sec 14a i5min 20a ifan 22a irestore idefrost te1 te2 te3 te4 te5 2°c te6 12°c te7 te8 te9 anglcool 67 anglheat angloff 130 thdefrost tmdefrost tldefrost.

  • Page 24

    23 9. Characteristic of temp. Sensor temp. ℃ resistance k Ω temp. ℃ resistance k Ω temp. ℃ resistance k Ω -10 62.2756 17 14.6181 44 4.3874 -9 58.7079 18 13.918 45 4.2126 -8 56.3694 19 13.2631 46 4.0459 -7 52.2438 20 12.6431 47 3.8867 -6 49.3161 21 12.0561 48 3.7348 -5 46.5725 22 11.5 49 3.5896 -4 44...

  • Page 25

    24 exploded view parts for model dsa-241l 220~240v, 60hz: indoor unit.

  • Page 26

    25 no name quanlity sale code bom code remark 1 indicator for led 1 13518111001 2113029215 2 panel ass’y 1 13528111001 2113079316 3 air filter 2 13528111002 2113079315 4 air cleaner 1 10109121226 2113010212 5 air cleaner holder 1 10109121225 2113010217 6 screw cap 3 13528111003 2113079313 7 panel fr...

  • Page 27

    26 exploded view parts for model dsa-241l 220~240v, 60hz : outdoor unit.

  • Page 28

    27 no. Part name quantity sale code bom code remark 1 clamp for front net 8 10112121801 2113511801 2 front net 1 10118121801 2124550017 3 front clapboard 1 10924121801 2124550030 4 propeller fan 1 10118121804 2114550002 5 fan motor 1 13521311801 2240041637 6 holder for fan motor 1 10118121809 212455...

  • 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.