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  4. DSB-G075L
  5. Service Manual

Daewoo DSB-G075L Service Manual

Summary of DSB-G075L

  • Page 1

    Service manual split system air conditioner model: dsb-g075l dsb-g095l dsb-g125l dsb-g185l dsb-g075lh dsb-g095lh dsb-g125lh dsb-g185lh apr., 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 ...

  • Page 2

    Contents 1. Features 2. Specification 3. Dimensions 4. Refrigeration cycle diagram 5. Capacity table 6. Wiring diagram 7. Electronic function 8. Troubleshooting 9. 02 03 05 09 10 16 21 29 32 characteristic of temp. Sensor 1.

  • Page 3

    1.Features 1.1 compact design 1.2 led display 2.

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    2.Specification dsb-g075l dsb-g075lh dsb-g095l dsb-g095lh ph-v-hz 220-240v~,50hz 220-240v~,50hz 220-240v~,50hz 220-240v~,50hz capacity btu/h 7000 7000 9000 9000 input w 790 790 1020 1020 rated current a 3.5 3.5 4.5 4.5 eer btu/w.H, w/w 8.8,2.6 8.8,2.6 8.8,2.6 8.8,2.6 capacity btu/h 8000 10000 input ...

  • Page 5

    Dsb-g125l dsb-g125lh dsb-g185l dsb-g185lh ph-v-hz 220-240v~,50hz 220-240v~,50hz 220-240v~,50hz 220-240v~,50hz capacity btu/h 12000 12000 18000 18000 input w 1350 1350 1960 1960 rated current a 6.0 6.0 9.4 9.4 eer btu/w.H, w/w 8.9,2.6 8.9,2.6 9.2,2.7 9.2,2.7 capacity btu/h 14000 / 20500 input w 1350 ...

  • Page 6

    3.Dimensions 3.1 indoor unit dsb-g075l, dsb-g075lh dsb-g095l, dsb-g095lh dsb-g125l, dsb-g125lh 5.

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    Dsb-g185l, dsb-g185lh 6.

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    3.4 outdoor unit dsb-g075l, dsb-g075lh dsb-g095l, dsb-g095lh 3.5 outdoor unit dsb-g125l, dsb-g125lh 7.

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    3.6 outdoor unit dsb-g185l, dsb-g185lh 110 62 8.

  • Page 10

    4.Refrigeration cycle diagram 9.

  • Page 11

    5. Capacity table 5.1 dsb-g075l summer outdoor temperature dry indoor conditions 25°c 30°c 35°c 40°c 45°c 50°c total capacity kw 2.02 1.92 1.79 1.64 1.51 1.41 sensitive capacity kw 1.44 1.39 1.34 1.27 1.20 1.15 21°c d 15°c w input kw. 0.70 0.76 0.82 0.88 0.95 1.00 total capacity kw 2.16 2.07 1.95 1....

  • Page 12

    Winter outdoor conditions indoor conditions 12°c d 11°c w 7°c d 6°c w 4°c d 3°c w 0°c d -1°c w -4°c d -6°c w -7°c d -8°c w capacity kw 2.75 2.45 2.17 1.40 1.17 1.13 15°c input kw. 0.97 0.86 0.77 0.67 0.62 0.65 capacity kw 2.60 2.33 2.10 1.33 1.23 1.09 18°c input kw. 0.99 0.86 0.78 0.71 0.68 0.68 cap...

  • Page 13

    5.4 dsb-g095lh summer winter outdoor temperature dry indoor conditions 25°c 30°c 35°c 40°c 45°c 50°c total capacity kw 2.44 2.32 2.16 1.98 1.82 1.70 sensitive capacity kw 1.68 1.63 1.56 1.48 1.40 1.34 21°c d 15°c w input kw. 0.87 0.95 1.02 1.09 1.17 1.24 total capacity kw 2.62 2.50 2.36 2.20 2.07 1....

  • Page 14

    5.5 dsb-g125l summer outdoor temperature dry indoor conditions 25°c 30°c 35°c 40°c 45°c 50°c total capacity kw 3.38 3.21 2.99 2.75 2.52 2.35 sensitive capacity kw 2.53 2.28 2.18 2.07 1.96 1.88 21°c d 15°c w input kw. 1.20 1.30 1.41 1.51 1.61 1.72 total capacity kw 3.62 3.46 3.26 3.06 2.86 2.68 sensi...

  • Page 15

    Outdoor conditions indoor conditions 12°c d 11°c w 7°c d 6°c w 4°c d 3°c w 0°c d -1°c w -4°c d -6°c w -7°c d -8°c w capacity kw 4.81 4.28 3.78 2.45 2.04 1.97 15°c input kw. 1.61 1.44 1.29 1.11 1.03 0.99 capacity kw 4.53 4.06 3.66 2.32 2.14 1.98 18°c input kw. 1.65 1.44 1.31 1.18 1.14 1.02 capacity k...

  • Page 16

    5.8 dsb-g185lh summer winter outdoor temperature dry indoor conditions 25°c 30°c 35°c 40°c 45°c 50°c total capacity kw 4.69 4.45 4.15 3.81 3.50 3.27 sensitive capacity kw 3.28 3.18 3.04 2.88 2.74 2.62 21°c d 15°c w input kw. 1.70 1.84 1.99 2.14 2.28 2.43 total capacity kw 5.03 4.81 4.53 4.25 3.97 3....

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    16.

  • Page 18

    6.2 wiring diagram 6.2.1 cooling only 6.2.1.1 dsb-g075l, dsb-g095l, dsb-g125l 17.

  • Page 19

    6.2.1.2 dsb-g185l indoor unit outdoor unit red red y&g overload relay compressor y/g c r blue blue capacitor fan white compressor capacitor r black black black fan motor 18.

  • Page 20

    6.2.2 heating/cooling 6.2.2.1 dsb-g075lh, dsb-g095lh, dsb-g125lh indoor unit outdoor unit 19.

  • Page 21

    6.2.2.2 dsb-g185lh indoor unit outdoor unit red overload relay red fan motor blue blue blue blue c r s white y&g y&g compressor compressor capacitor fan capacitor 4-way black black black 20

  • Page 22

    7 electronic function 7.1 electric control working environment 7.1.1 input voltage: 175~253v 7.1.2 input power frequency:50hz 7.1.3 ambient temperature: -7 c~+45 c 7.1.4 indoor fan normal working amp is less than 1a, 7.1.5 outdoor fan. Normal working amp is less than 1.5a 7.1.6 four-way valve normal...

  • Page 23

    7.4 protection 7.4.1 3 minutes delay at restart for compressor. 7.4.2 sensor protection at open circuit and breaking disconnection 7.4.3 fan speed is out of control. When indoor fan speed is too high(higher than high fan+300rpm)or too low(lower than 400rpm), the unit stops and led displays failure i...

  • Page 24

    Anti-freezing control to indoor evaporator at cooling mode( t: evaporator temp. ) condition temp. T ime compressor out door fan t> te6 on on evaporator temp. Up t >5 minutes off off t> te5 on on evaporator temp. Down t >5 minutes off off 7.7 dehumidifying mode 7.7.1 the 4-way valve is off in dehumid...

  • Page 25

    24.

  • Page 26

    °c 25.

  • Page 27

    7.13.3 all protections of remote control cooling are available at forced cooling operation. 7.14 forced auto function select forced auto function with the forced auto button or the switch. In forced auto status the a/c operates at remote control mode with a set temp. Of 24°c. 7.15 timer function 7.1...

  • Page 28

    °c °c °c °c °c °c °c °c °c °c °c °c °c °c °c °c ° ° ° ° ° dsb-g075l dsb-g075lh dsb-g095l dsb-g095lh 27.

  • Page 29

    0° 0° 0° 0° ° ° ° dsb-g125l dsb-g125lh dsb-g185l dsb-g185lh 28.

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    29.

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    30

  • Page 32

    31.

  • Page 33

    °c °c 32.

  • Page 34

    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: apr., 2006.