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Daewoo DSA-183LH-R Service Manual

Other manuals for DSA-183LH-R: Service Manual
Manual is about: Split System Air Conditioner

Summary of DSA-183LH-R

  • Page 1

    Service manual split system air conditioner model: dsb-070lh/dsb-071lh dsb-091lh/dsb-092lh dsb-121lh/dsb-122lh dsb-123lh dsb-182lh/lh-r dsa-183lh-r dsb-240lh-r dsa-240lh-r daewoo electronics co., ltd. By nemko.

  • Page 2: Contents

    Contents 1. Specifications ..........................................................................................................2 2. Outline and dimensions .......................................................................................11 3. Operation .......................................

  • Page 3: 1. Specifications

    2 1. Specifications model dsb-070lh /071lh item function cooling & heating class t power ac 220~ 240v/ 50hz capacity w 2,051/2,051 btu/h 7,000/7,000 dehumidification l/h 0.89 running current a 3.1/3.1 power input w 740/720 starting current a 18 type rotary model rbb075a011 capacitor 25µf/370vac indo...

  • Page 4

    3 model dsb-091lh /092lh item function cooling & heating class t power ac 220~240v/ 50hz capacity w 2,637/2,637 btu/h 9,000/9,000 dehumidification l/h 1.15 running current a 4.5/4.5 power input w 1,000/1,000 starting current a 24 type rotary model rbb100a011 capacitor 30µf / 370vac indoor unit outdo...

  • Page 5

    4 model dsb-121lh/122lh item function cooling & heating class t power ac 220~240v/ 50hz capacity w 3,663/3,956 btu/h 12,500/13,500 dehumidification l/h 1.6 running current a 7.0/6.5 power input w 1,500/1,410 starting current a 37 type rotary model rcb 150a001 capacitor 35µf/ 370vac division indoor u...

  • Page 6

    5 model dsb-123lh item function cooling & heating class t power ac 220~240v/ 50hz capacity w 3,517/3,810 btu/h 12,000/13,000 dehumidification l/h 1.28 running current a 6.8/7.3 power input w 1,500/1,550 starting current a 37 type rotary model rcb 150a001 capacitor 35µf/ 370vac division indoor unit o...

  • Page 7

    6 model dsb-182lh item function cooling & heating class t1 power ac 220~240v/ 50hz capacity w 5,129/5,422 btu/h 17,500/18,500 dehumidification l/h 2.3 running current a 9.65/10 power input w 2,150/2,235 starting current a 49 type rotary model shw33tc4-u capacitor 50µf / 370vac indoor unit outdoor un...

  • Page 8

    7 model dsb-182lh-r item function cooling & heating class t1 power ac 220~240v/ 50hz capacity w 5,275/5,275 btu/h 18,000/18,000 dehumidification l/h 2.3 running current a 9.2/9.5 power input w 2,000/2,100 starting current a 54 type recipro model shw33tc4-u capacitor 35µf / 370vac indoor unit outdoor...

  • Page 9

    8 model dsa-183lh-r item remark jis c9812 saa385386 function cooling & heating class t1 power ac 220v / 60hz capacity w 5275.5/5422 4500/5400 btu/h 18,000/18,500 15354/18425 dehumidification l/h 2.3 running current a 9.4/8.8 10.4/8.8 power input w 2,000/1,900 2,200/1,900 starting current a 52 52 typ...

  • Page 10

    9 model dsb-240lh-r item function cooling & heating class t1 power ac 220~240v/ 50hz capacity w 7,034/7,034 btu/h 24,000/24,000 dehumidification l/h 2.67 running current a 13.4 / 13.6 power input w 2,450 / 2,500 starting current a 83 type recipro model awg5530exc capacitor 45µf/ 400vac division indo...

  • Page 11

    10 model dsa-240lh-r item remark jis c9812 saa385386 function cooling & heating class t1 power ac 220v / 60hz capacity w 7,034/7,034 5,129 btu/h 24,000/24,000 17.5 dehumidification l/h 2.67 running current a 11.5/11.8 13 power input w 2,500/2,500 2,800 starting current a 60 602 type recipro model aw...

  • Page 12: 2. Outline and Dimensions

    11 750 plate mounting remocon connecting pipe grille insert 179 245 remote controller frame grille body plate mounting 2. Outline and dimensions 1 indoor unit ◆ dsb-070lh/dsb-091lh.

  • Page 13

    12 750 plate mounting remocon connecting pipe grille insert 179 245 remote controller frame grille body plate mounting ◆ dsb-071lh/dsb-092lh.

  • Page 14

    13 remocon filter - l filter - r grille insert frame grille body plate mounting connecting pipe plate mounting 406 194 285 925 remote controller ◆ dsb-121lh/122lh.

  • Page 15

    14 ◆dsb-123lh.

  • Page 16

    15 connecting pipe body grille insert plate mounting 453 filter-l filter-r remocon 1035 322 1035 ◆ dsb-182lh/lh-r.

  • Page 17

    16 connecting pipe body frame grille grille insert plate mounting 430 710 1080 filter-l filter-r remocon ◆ dsa-183lh-r/dsb-240lh-r/dsa-240lh-r 200 298.

  • Page 18: Outdoor Unit

    17 ◆dsb-070lh/071lh/091lh/092lh/121lh/122lh/123lh 2 outdoor unit.

  • Page 19

    18 ◆ dsb-182lh/lh-r/dsa-183lh-r inlet inlet outlet outlet foot foot cushion handle cabinet side panel top guide support service valve cabinet front 320 615 800

  • Page 20

    Inlet 380 699 323 foot service valve 873 cabinet front service cover cabinet side ◆ dsb-240lh-r/dsa-240lh-r 19.

  • Page 21: Name and Function of Parts

    20 1 name and function of parts indoor unit 3. Operation remote controller electrostatic filter(option) removes dust and particles from the air deodorizing filter(option) removes bad smells from the air. Air inlet remote controller receiver power plug remote controller fan direction (up, down) air o...

  • Page 22

    21 remote controller electrostatic filter(option) removes dust and particles from the air deodorizing filter(option) removes bad smells from the air. Air inlet remote controller receiver power plug remote controller fan direction (up, down) air outlet antibacterial filter removes dust and prohibits ...

  • Page 23

    22 ◆dsb-121lh/122lh power plug ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;...

  • Page 24

    23 ◆dsb-123lh power plug electrostatic filter deodorizing filter air inlet antibacterial filter air outlet fan direction (up, down) remote controller remote controller receiver lamp remo te co ntro ller removes bad smells from the air. Removes dust and prohibits germs. Removes dust and particles fro...

  • Page 25

    24 ◆ dsb-182lh/dsb-182lh-r indoor cover electrostatic filter removes dust particles from the air. Deodorizing filter removes bad smells from the air. Test/emergency/ remote switch slide to select the desired position. Indicators indicate the ac setting. Remote sensor power plug lcd remote controller...

  • Page 26

    25 indoor cover electrostatic filter removes dust particles from the air. Deodorizing filter removes bad smells from the air. Emergency/remote switch indicators indicate the ac setting. Remote sensor power plug lcd remote controller air cleaning filters removes dust and prohibits germs. Air out air ...

  • Page 27: Indoor Unit Display

    26 ◆dsb-070lh/dsb-091lh ■ remote control signal receiver this place is the part to receive the signal if it receives the signal, you can hear the signal “beep. “beep. Beep.” ■ there is a switch panel at inside of front panel. At the time of operating, open the front panel. Emergency switch can be us...

  • Page 28: Indoor Unit Display

    27 ◆dsb-071lh/dsb-092lh ■ remote control signal receiver this place is the part to receive the signal if it receives the signal, you can hear the signal “beep. “beep. Beep.” ■ there is a switch panel at inside of front panel. At the time of operating, open the front panel. Emergency switch can be us...

  • Page 29: Indoor Unit Display

    28 remote control signal receiver this place is the part to receive the signal if it receives the signal, you can hear the signal "beep, beep". Timer (yellow) lights during the time reservation mode. On (red) lights when the operation is going on. There is a switch panel at inside of front panel. At...

  • Page 30: Indoor Unit Display

    ◆ dsb-123lh ■ remote control signal receiver this place is the part to receive the signal if it receives the signal, you can hear the signal “beep. Beep”. ■ there is a switch panel at inside of front panel. At the time of operating, open the front panel. Emergency switch can be used when the remote ...

  • Page 31: Indoor Unit Display

    ◆ dsb-182lh/182lh-r ■ remote control signal receiver this place is the part to receive the signal if it receives the signal, you can hear the signal “beep. Beep”. ■ there is a switch panel at inside of front panel. At the time of operating, open the front panel. Emergency switch can be used when the...

  • Page 32: Indoor Unit Display

    31 ◆dsb-240lh-r/dsa-240lh-r ■ remote control signal receiver this place is the part to receive the signal if it receives the signal, you can hear the signal “beep. “beep, beep.” ■ there is a switch panel at inside of front panel. At the time of operating, open the front panel. Emergency switch can b...

  • Page 33: Outdoor Unit

    32 ◆ dsb-070lh/071lh/dsb-091lh/092lh/dsb-121lh/122lh/123lh connection cover remove cover to access the ac connection to the indoor unit. Service valves the indoor and outdoor units are connected by copper tubes which are connected here. Air in air out connection wire connecting pipe drain hose outdo...

  • Page 34

    33 ◆ dsb-182lh/lh-r / dsa-183lh-r air in air out ac cover remove cover to access the ac connection from this unit to the indoor unit. Connection wire drain hose copper tubing service valves the indoor and outdoor units are connected by copper tubes which are connected here. Grounding screw ground th...

  • Page 35

    34 ◆dsb-240lh-r / dsa-240lh-r air inlet air outlet connection pipe connection wire drain hose.

  • Page 36: Name of Each Button

    35 name of each button 2 remote controller ◆dsb-070lh/dsb-071lh/dsb-091lh/dsb-092lh/dsb-121lh/ dsb-122lh/dsb-123lh/dsa-183lh-r/dsb-240lh-r/dsa-240lh-r mode sleep on/off timer enter/ cancel fan speed turbo/mild display displays information pertaining to unit. Turbo/mild press to select super power op...

  • Page 37

    36 ◆dsb-182lh/182lh-r mode sleep on/off timer enter/ cancel fan speed turbo/mild display displays information pertaining to unit. Turbo/mild press to select super power operation(turbo) mode timer enter/cancel button press to enter a timer setting or to cancel timer setting timer on/off button press...

  • Page 38: Replacing Batteries

    37 replacing batteries 3 remote controller display open the cover after pressing the arrow direction and pulling out. Put the drycell by ⊕ ⊖ direction. Close the cover after pushing into arrow direction. 1 2 3 r e m o t e c o n t r o ll e r + – + – r e m o t e c o n t r o ll e r ◆dsb-070lh/dsb-071lh...

  • Page 39: Off-Timer

    38 if you set time in off-timer mode, the unit will stop at the set time. If you set time in on-timer mode, the unit will run at the set time. (1) range of setting temperature: 18~32°c (2) setting temperature: operating temperature of compressor (3) during the time of test operating, fan (indoor, ou...

  • Page 40: Fan Speed (Indoor Unit)

    39 fan speed (indoor unit) (1) motor speed (super high speed, high speed, normal speed, low speed, ultra low speed). (2) remote controller setting fan speed. (auto, l, m, h, natural) (3) relation of operating mode between fan speed. (legned: x-no relation) (4) automatic operation if the unit is set ...

  • Page 41: Sleep Mode

    40 (1) when the remote controller is lost, damaged or the battery is discharged, the emergency operation can be used to run the unit. (2) the setting conditions of emergency operation are as follows. • operation mode: quick • preset temperature:18°c: cooling, 32°c: heating) • fan speed: high you can...

  • Page 42: Auto Mode

    41 auto mode (1) in auto mode after the indoor fan is operated for 20 seconds in the auto mode the unit will operate automatically by selecting operating mode according to the room temperature (2) selecting operating mode again room temperature meets desired temperature and the compressor stops runn...

  • Page 43: Dehumidification Mode

    42 1) cooling mode * * when the room temperature is higher than 22°c 1 fan speed: super high speed 2 air discharge direction: fixed 3 set temperature: 18°c (fixed) 4 compressor and outdoor fan the air discharge direction procedure is below fixed up/down up/down fixed ✽ ✽ the option is left/right dir...

  • Page 44: Self-Diagnostic Function

    43 self-diagnostic function the control will contain diagnostic test to verify the integrity of the system. (1)error code display pattern 1 on lamp: blink led blink pattern case note room sensor open or short • continuously woorking to fix room temperature 18°c in heating mode. • continuously woorki...

  • Page 45: 4. Wiring Diagram

    44 4. Wiring diagram indoor unit ◆ dsb-070lh/091lh ◆ dsb-071lh/092lh ◆ dsa-121lh/122lh, dsb-121lh/122lh ◆ dsb-123lh.

  • Page 46

    45 ◆ dsa-181lh/182lh/182lh-r dsa-181lh/182lh/183lh-r ◆ dsa-240lh-r, dsb-240lh-r.

  • Page 47: Outdoor Unit

    46 outdoor unit ◆ dsa-121lh/122lh, dsb-070lh/071lh dsb-091lh/092lh/121lh/122lh ◆ dsb-123lh/123ph ◆ dsa-181lh/182lh dsb-181lh/182lh/182ph ◆ dsa-240lh-r/240ph-r dsb-240lh-r/240ph-r ◆ dsa-182lh-r/183lh-r, dsb-183lh-r/183lh-r.

  • Page 48: Main Electric Parts

    47 ◆dsb-070lh/071lh ◆dsb-091lh/092lh part name part code spec. Quantity remark fan motor 3108003800 ydk-8-4b 1 fan motor capacitor 3106900300 1.0µf 400vac 1 fuse 5fvlb3152l 250v 3.15a 1 stepping motor 3108003900 gsp-24sw-061 1 terminal block 3108912301 sn-dbw-05p 1 compressor 3107101200 kh134vllc 1 ...

  • Page 49

    48 ◆dsb-182lh/182lh-r ◆dsb-183lh-r part name part code spec. Quantity remark fan motor 3108000311 ic-9425dwkc5c 1 fan motor capacitor 3106900200 1.2µf 450vac 1 fuse 5fvlb3152l 250v 3.15a 1 transformer 5epv633110 220v 50hz 1 stepping motor 3108004300 dc12v, 400mm 2 3108004310 dc12v, 1300mm 1 terminal...

  • Page 50

    49 ◆dsb-240lh-r part name part code spec. Quantity remark fan motor 3108003800 220/50/60hz 1 fan motor capacitor 3106902400 2.0uf 400vac 1 fuse 5fvlb3152l 250v 3.15a 1 transformer 5epv050120 230v/50hz 1 stepping motor 3108007600 gsp-24rw-062 1 terminal block 3108912320 sn-dbw-4p 1 compressor 3100068...

  • Page 51: 5. Refrigerant Cycle

    50 5. Refrigerant cycle note) if the pipe length exceeds the standard length, add 30g of refrigerant per extra meter. Contents cool heat charge quantity dsb-070lh/071lh idØ1.2 x l700 idØ1.2 x l700 850 g dsb-091lh/092lh idØ1.4 x l900 idØ1.4 x l900 800 g dsb-121lh/122lh idØ1.8 x odØ3.2 x 500l idØ1.8 x...

  • Page 52: 6. Control Block Diagram

    Relay rl1 indoor fan motor compressor relay rl2 outdoor fan motor relay rl3 4 way valve triac dc12v operating mode fan speed timer selection flap position unit on lamp room air temp. Indoor coil temp. Outdoor coil temp air clean lamp quick lamp remote emergency operation signal receiver timer lamp a...

  • Page 53

    Relay rl1 indoor fan motor compressor relay rl2 outdoor fan motor relay rl3 4 way valve triac dc12v operating mode fan speed timer selection flap position unit on lamp room air temp. Indoor coil temp. Outdoor coil temp air clean lamp quick lamp remote emergency operation signal receiver timer lamp a...

  • Page 54: 7. Tr

    53 7. Tr ouble shoo ting outdoor unit does not run?(note. 1) does the compressor run normally? Indoor unit does not run(note 1) check the failure code according to the self diagnostic (note 2) is the unit display mormal? Check the failure code according to the self-diagonostic (note 2) normal check ...

  • Page 55: Self-Diagnostic Function

    54 note 1) 1 neither indoor unit nor outdoor unit runs. Check the following points first. (there are following case in normal operation) a. Is the timer mode set the "timer on". B. Is the timer mode set the "timer-off" and the time had passed? 2 neither outdoor fan nor compressor runs while indoor f...

  • Page 56

    55 confirm following statement. When the unit operate normally, sometimes the outdoor unit and indoor unit cannot operate. 1 check the function select switch. Is it timer mode? 2 the function select switch locate the sleep mode and is the setting time over? 3 is the setting mode dehumidifier mode? 4...

  • Page 57

    56 check rotation of indoor fan rotate indoor fan by hand check input voltage of fan motor connector at power p.C.B check the winding resistance of indoor unit fan motor check the fan motor capacitor check the connecting wire of indoor fan motor run again check the starting of indoor fan motor run a...

  • Page 58

    57 confirm following statement. When the unit operate normally, sometimes the outdoor unit and indoor unit cannot operate. 1 is the setting temperature proper? 2 is the unit during 3min. Time delay of compressor. 3 during frost prevention of lndoor unit. 4 during dehumidifier mode. Outdoor fan and c...

  • Page 59: Only Compressor Does Not Run

    58 - check the following at cooling mode check the voltge between and of indoor unit terminal y l check the voltge between and of outdoor unit terminal y l check the wiring of outdoor unit check the compressor (check the winding resistance) check the compressor capacitor check the connecting wire be...

  • Page 60: Pcb Driving Description

    Pcb driving description.

  • Page 61: Pcb Circuit Diagram

    1 pcb circuit diagram ◆dsb-071lh, 092lh.

  • Page 63

    ◆dsb-123lh.

  • Page 65

    ◆dsb-121lh/dsb-122lh.

  • Page 67

    ◆dsb-182lh/182lh-r/dsa-183lh-r/dsb-240lh-r/dsa-240lh-r.

  • Page 69

    64 ◆ dsb-071lh part list (indoor unit) part name spec qty loc. Fuse 250v 50t 3.15a 1 fuse fuse clip afc-520 2 fuse varistor 15g561k 1 var wafer yw396-05avd 1 cn2 wafer yw396-03avd 1 cn1 wafer yw396-03avd(bl) cn9 c-cera 104z,50vdc 5 cc1,2,5,6,7 c-cera 103z,50vdc 6 cc3,4,9,10,11,12 c-multi 104z,cr0561...

  • Page 70

    65 part name spec qty loc. Diode 1n4007 tape 1 d3 diode uf203 1 d2 diode zenor 1n5241b 1 zd1 diode st01d-200 1 d1 c-cera 2200pf, 250v 1 cy1 choke coil 1mh, 0.5a 1 l1 filter emi 0.6*10*3turn 1 l2 buzzer bm-20k 1 bz1 coil 130uh, 3a 1 l3 ic regulator kia7805p 1 ic3 tr krc102m 1 tr1 ic reset kia7042p 1 ...

  • Page 71

    66 ◆ dsb-092lh part list (indoor unit) part name spec qty loc. Fuse 250v 50t 3.15a 1 fuse fuse clip afc-520 2 fuse varistor 15g561k 1 var wafer yw396-05avd 1 cn2 wafer yw396-03avd 1 cn1 wafer yw396-03avd(bl) cn9 c-cera 104z,50vdc 5 cc1,2,5,6,7 c-cera 103z,50vdc 6 cc3,4,9,10,11,12 c-multi 104z,cr0561...

  • Page 72

    67 part name spec qty loc. Diode 1n4007 tape 1 d3 diode uf203 1 d2 diode zenor 1n5241b 1 zd1 diode st01d-200 1 d1 c-cera 2200pf, 250v 1 cy1 choke coil 1mh, 0.5a 1 l1 filter emi 0.6*10*3turn 1 l2 buzzer bm-20k 1 bz1 coil 130uh, 3a 1 l3 ic regulator kia7805p 1 ic3 tr krc102m 1 tr1 ic reset kia7042p 1 ...

  • Page 73

    68 ◆ dsb-123lh part list (indoor unit) part name spec qty loc. Fuse 250v 50t 3.15a 1 fuse fuse clip afc-520 2 fuse varistor 15g561k 1 var wafer yw396-05avd 1 cn2 wafer yw396-03avd 1 cn1 c-cera 104z,50vdc 5 cc1,2,5,6,7 c-cera 103z,50vdc 6 cc3,4,9,10,11,12 c-multi 104z,cr0561b-z5u 1 cc8 c-elec 470uf 3...

  • Page 74

    69 part name spec qty loc. Diode 1n4007 tape 1 d3 diode uf203 1 d2 diode zenor 1n5241b 1 zd1 diode st01d-200 1 d1 c-cera 4700pf, 250v 2 cy1,cy2 choke coil 1mh, 0.5a 2 l1,l2,l4 buzzer bm-20k 1 bz1 coil 130uh, 3a 1 l3 coil uu,40mh 1 l5 ic regulator kia7805p 1 ic3 tr krc102m 1 tr1 ic reset kia7042p 1 i...

  • Page 75

    ◆dsb-182lh/182lh-r/dsa-183lh-r/dsb-240lh-r/dsa-240lh-r part list(indoor unit) no part code part name spec q'ty unit remark bz1 3105698200 buzzer dp-2520ba 1 ea ca1 cn5xd104m- c-array f5 104z 1 ea ca2 cn4xd104m- c-array f4 104z 1 ea ca3 cn3xd104m- c-array f3 104z 1 ea cc 3108803500 pin gp881206-2(250...

  • Page 76

    No part code part name spec q'ty unit remark ic5 1ka7042p-- ic reset kia7042p 5l 1 ea ic6 1kd65004ap ic driver kid65004ap 1 ea l1 52c1374001 coil 130uh 3a 1 ea osc 4850103610 resonator cst8.00mtw,8mhz 1 ea pcb 3104398102 pcb control 160.5*140*1.6t.1(42) 1 ea pt1 1tlp560j-- ic photo coupler tlp 560j ...

  • Page 77

    ◆control pcb ass`y (model : 082m/h,102m/h,122m/h,151l,122l/lh,182l/l-r,182lh/lh-r) no part code part name spec q'ty unit remark ca1 cn4xd104m- c-array f4 104z 1 ea ca2 cn3xd104m- c-array f3 104z 1 ea cc1 ccxe1e104m c-cera 104z 25vdc 1 ea cc10 ccxe1h103m c-cera 103z 50vdc 1 ea 122lh,182lh/lh-r cc13 c...

  • Page 78

    No part code part name spec q'ty unit remark r2 rd-4k103j- r carbon film 1/4 10k ohm j 1 ea r20 rn-4k1272f r metal film 1/4 12.7k ohm f 1 ea r21 rd-4k331j- r carbon film 1/4 330 ohm j 1 ea r22 rn-4k1272f r metal film 1/4 12.7k ohm f 1 ea 122lh,182lh/lh-r r23 rd-4k331j- r carbon film 1/4 330 ohm j 1 ...

  • Page 79

    ◆power pcb ass`y (model : 122l/lh,151l,182l/l-r,182lh/lh-r,082m/h,102m/h,122m/h) no part code part name spec q'ty unit remark bz1 3105698200 buzzer dp-2520ba 1 ea c1 clv-b3104m c-line across 275v 104k(pilkor) 1 ea c2 clv-b3104m c-line across 275v 104k(pilkor) 1 ea cc 3108803500 pin gp881206-2(250) 1...

  • Page 80

    ◆led pcb ass`y (model : 070l/lh, 071lh, 091l/lh, 092lh, 052m/h) no part code part name spec q'ty unit remark cc1 cdxe1h104m c-multi cr501b-z5u,104z,50v 1 ea cn1 3108804800 wafer smaw250-08 1 ea hold 3103002700 holder led abs 1 ea l1 ddls05031d led dlso-5031d(red) 1 ea l2 ddlg05031d led dlg-5031d(grn...

  • Page 81: Power Supply(1)

    76 power supply(1) description dc power supply in circuit needs +12v and +5v. +12v is used for compressor driving relay, triac driving photo triac, buzzer driving swing, sweep motor. Ac voltage of secondary power transformer is rectified by bridge diode, and it is filtering by main condensor ce1. Fi...

  • Page 82: Sensor(3)

    77 room temperature and evaporator temperature sensor input description number 24, 25 of micom is terminal of a/d convertor input. Room temperature and evaporator temperature is sensing by change of thermister resistance, micom is put in 5v by ratio between r10 (12.7k Ω ) and r11 (12.7k Ω ). Relatio...

  • Page 83: Triac Driving(4)

    78 triac driving(4) description number 38 terminal of micom is put out pulse output, by way of buffer it is driving photo triac is supplied trigger signal. Trigger test of triac is detected zero cross part of ac input and it is triggered from zero cross part to time delay part according to fan speed...

  • Page 84: Remote Controller(5)

    79 description signal from remote controller put in only control data signal at micom terminal of number 33, which is gotten fid of carrier (38khz) from receive module. Signal wave repeat third as following fig 5-1. But in secondary wave custom code is reversed face. Leader code custom code data cod...

  • Page 85: Micom Power Supply(7)

    80 description micom power is supplied 5v at number 42 using vdd, number 19, 20 vsing oscillator, cc13 is noise filter. Micom power supply(7) vdd 42 ce5 10 µ f 16v cc11 104 cc13 104 + 5v 41 40 39 22 21 19 osc 8mhz 20 vss micom.

  • Page 86: Reset(8)

    81 description voltage less than about 0.8v put in micom terminal of number 18 and then micom reset. Reset ic detect power on and voltage less than 4.25v, and then send reset signal. Reset(8) r13 5.6k 1k r12 18 cc9 ce4 4.7uf/50v ic5 7042p 10.3 micom 4.25v h l t t power on vcc (+5v) delay time for po...

  • Page 87: Buzzer Driving(10)

    82 description micom 34 terminal put out buzzer driving pulse, its output is driving buzzer through buffer. Ocillatory frequency of buzzer is selected by internal micom. This unit is setting at 4khz. Vcc 12v kid 65004 micom 34 6 11 r4 1k bz1 buzzer driving(10) description selecting function is as fo...

  • Page 88: Zero Crossing Detect(11)

    83 description it defect zero cross part of trans output voltage, transistor tr1 is used to put in the micom. Detail driving is as following fig 11-1. R19 is resistance to limit current. Micom trans output d5 d6 r2 5.6k 1 2 cc4 103 tr1 krc120m 1 2 1 2 3 2 1 r3 10k r27 1k vcc 31 detect point h the nu...

  • Page 89: Stepping Motor Driving(12)

    84 description there are one stepping motor for flap (up and down) and it is used 4 face drive method. It is driving as following fig 12-1. (ring count method of 8 status) Ø 4 Ø 3 Ø 2 Ø 1 b+ 6 5 4 3 2 1 12v ic6 kid65004 cn13 1 micom 2 3 4 m1 for swing Ø 4 Ø 3 Ø 2 Ø 1 fig 12-1 (normal rotating) (reve...

  • Page 90

    Error no error no error no no no no yes select on/off button select mode button select fan speed button select fan dir. Button power supply test start power supply again check the following battery spring micom pcb lcd is display at the beginning on? Is display at the beginning on? Is it normal? Is ...

  • Page 91

    86 (0.5~24 hour) error no select timer on button select timer enter button select cancel button select on/off button select off (timer) button select sleep button select sleep button test ok! Is lcd display off? Is it normal display? Timer is all display off? Is it normal? Sleep mode display on? Is ...

  • Page 92: (1) U1 (Micom)

    87 (1) u1 (micom) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 vdd (xtout)p22 (xtin)p21 (int5/stop)p20 p17 p16 (tc2)p15 (ppg)p14 (dvo)p13 (int2/tc1)p12 (int1)p11 (into)p10 (ain7)p67 (ain6)p66 (ain5)p65 (ain4)p64 (ain3)p63 (ain2)p62 (ain1)p61 (ain0)p60 varef p77(hso) p76(hsck) p75(so) p74(si...

  • Page 93

    88 (2) u2, 4 (kid65004) darlington arrays (3) u8 (kia7805p) : voltage regulator (5vdc) (4) u7 (kia7812p) : voltage regulator (12vdc) in1 1 16 out 1 in2 2 15 out 2 in 3 3 14 out 3 in 4 4 13 out 4 in5 5 12 out 5 in6 6 11 out 6 in7 7 10 out 7 gnd 8 9 common free wheeling diodes common 10.5k Ω 7.2k Ω 3k...

  • Page 94: (5) U9 (Kia7042P) : Reset Ic

    89 (5) u9 (kia7042p) : reset ic kia70 42p outline input ground output vcc 1 3 2 out gnd.

  • Page 95: Indoor Unit

    90 1 indoor unit procedures photos 1. Stop the operation of the air conditioner and disconnect the power cord from the wall outlet. 2. Removing the insert grille and frame grille. (fig 1~2) 1 draw up the insert grille and remove it. 2 loosen the screw fixed at the cover ter-block. 3 loosen two screw...

  • Page 96

    91 procedures photos 1. Stop the operation of the air conditioner and disconnect the power cord from the wall outlet. 2. Removing the insert grille and frame grille. (fig 1~2) 1 draw up the insert grille and remove it. 2 loosen the screw fixed at the cover ter-block. 3 loosen two screws fixed at the...

  • Page 97

    92 procedures photos 1. Stop the operation of the air conditioner and disconnect the power cord from the wall outlet. 2. Removing the insert grille and frame grille. (fig 1~2) 1 draw up the insert grille and remove it. 2 loosen two special screws fixed at the cover ter-block. 3 loosen three screws f...

  • Page 98

    93 procedures photos 1. Stop the operation of the air conditioner and disconnect the power cord from the wall outlet. 2. Removing the insert grille and frame grille. (fig 1~2) 1 draw up the insert grille and remove it. 2 loosen the screw fixed at the cover ter-block. 3 loosen four screws fixed at th...

  • Page 99

    94 procedures photos 1. Stop the operation of the air conditioner and disconnect the power cord from the wall outlet. 2. Removing the insert grille and frame. 1 loosen three screws fixed at the the insert grille and frame. (pull out the frame cap before loosening three screws) (fig 1) 2 loosen three...

  • Page 100

    95 procedures photos 7. Removing the blower. ! Loosen the screw fixed at the holder bearing. @ remove the blower. Fig 8 fig 7.

  • Page 101

    96 procedures photos 1. Stop the operation of the air conditioner and disconnect the power cord from the wall outlet. 2. Removing the insert grille and frame grille. (fig 1~2) 1 draw up the insert grille and remove it. 2 loosen the screws fixed at the cover ter-block. 3 loosen two screw at the frame...

  • Page 102: Outdoor Unit

    97 ◆dsb-070lh/071lh/dsb-091lh/092lh/dsb-121lh/122lh/123lh procedures photos 1.Stop the operation of the air conditioner and disconnect the wire from indoor unit to outdoor unit. 2. Disassemble the case. (fig 1~2) 1 remove the top panel. (loosen thirteen screws) 2 remove the front cabinet. (loosen si...

  • Page 103

    98 ◆dsb-182lh/182lh-r/dsa-183lh-r procedures photos 1.Stop the operation of the air conditioner and dis connect the wire from in door unit to out door unit. 2. Disassemble the case. (fig 1~2) 1 remove the top panel. 2 remove the side cabinet. 3 remove the front cabinet. 3. Removing the propeller fan...

  • Page 104

    99 ◆dsb-240lh-r/dsa-240lh-r procedures photos 1.Stop the operation of the air conditioner and disconnect the wire from in door unit to out door unit. 2. Disassemble the case. (fig 1~2) 1 remove the top panel. 2 remove the front cabinet. 3 remove the side cabinet and back cabinet. 3. Removing the pro...

  • Page 105

    100 3 exploded diagram (indoor unit) ◆dsb-070lh/dsb-091lh.

  • Page 106

    101 ◆dsb-070lh/dsb-091lh part list(indoor unit) no part code part name q'ty spec remark 1 3100400300 body 1 hips t2.0 2 3108004700 motor idu 1 ic-8417dwkf5a 3 3101500400 cushion motor 2 cr Ø30 4 3106400400 bearing plastic ass’y 1 5 3100053700 fan cross flow ass’y 1 Ø90.0xl540 6 7485401012 set screw ...

  • Page 107

    102 ◆dsb-071lh/dsb-092lh.

  • Page 108

    103 ◆dsb-071lh/dsb-092lh part list(indoor unit) no part code part name q'ty spec remark 1 3100400300 body 1 hips t2.0 2 3108004700 motor idu 1 ic-8417dwkf5a 3 3101500400 cushion motor 2 cr Ø30 4 3106400400 bearing plastic ass’y 1 5 3100053700 fan cross flow ass’y 1 Ø90.0xl540 6 7485401012 set screw ...

  • Page 109

    104 ◆dsb-121lh.

  • Page 110

    105 ◆dsb-121lh/122lh part list(indoor unit) no part code part name q'ty spec remark 1 3100400201 body 1 abs or hips 2 3108001220 motor idu 1 220v 50/60hz 3 3101500400 cushion motor 2 cr 4 3106400200 bearing plastic ass’y 1 5 3100014400 fan cross flow ass'y 1 san+g. F20% 6 7485401012 set screw 1 6s-4...

  • Page 111

    106 no part code part name q'ty spec remark 15-8 3102797910 harness 1 i.D earth 15-9 3103400300 knob reset switch 1 abs 15-10 3100024000 mode select ass'y 1 ts-11 & harness 15-11 3101395060 power cord ass'y 1 buyer 15-12 7111301611 tapping screw 2 t1s pan 3 x 16 mfzn 16 3102200401 frame 1 abs buyer ...

  • Page 112

    107 ◆dsb-123lh.

  • Page 113

    108 ◆dsa-123lh part list (indoor unit) no part code part name q'ty spec remark 1 3110400300 body 1 hips t2.0 (gy171a) 2 3110078100 motor idu assy 1 assy 3 3118003500 motor idu 1 rb13b(220v, 50/60v) 4 3106400400 bearing plastic assy 1 dsb-123l/lh/ph 5 3110046000 fan cross flow ass`y 1 san+g.F 30% •’1...

  • Page 114

    109 no part code part name q'ty spec remark 30 3112715900 harness motor signal 1 31 3112716100 harness led pcb 1 32 3112715800 harness comp signal 1 33 3112716250 harness i/d earth 1 green/yellow 34 3104896300 sensor i/d assy 1 35 3100033320 voltage generator 1 6.2kv 36 3118900200 terminal block 1 j...

  • Page 115

    110 ◆dsb-182lh/lh-r xx vv cc.

  • Page 116

    111 ◆dsb-182lh/lh-r parts list (indoor unit) no part code part name q'ty spec remark 1 3100400101 body 1 abs 2 3107600100 flap top 1 abs 3 3107600200 flap under 1 abs 4 3106500400 blade ver 16 abs 5 3103000500 holder motor r 1 abs 6 3103000700 holder bearing 1 abs 7 3103000600 holder motor l 1 abs 8...

  • Page 117

    112 no part code part name q'ty spec remark 21 3100000200 filter pre l ass’y 1 22 3102900100 hinge r-a 1 pom 23 3102900300 hinge l-a 1 pom 24 3100001000 m-pcb ass’y 1 25 3107800100 link ver cam 1 p.O.M 26 3104395400 f-pcb ass’y 1 27 3108004300 motor stepping 2 mp28ga/gsp-24sw-06/st-28 l=400mm 28 310...

  • Page 118

    113 ◆dsa-183lh-r/dsb-240lh -r/dsa-240lh-r contr ol bo x assy.

  • Page 119

    114 ◆dsa-183lh-r/dsb-240lh-r/dsa-240lh-r part list (indoor unit) no part code part name q'ty spec remark 1 3100400600 body 1 2 3108007500 motor fcu 1 ic-9430dwkg7a 3 3101500400 cushion motor 2 cr i.D30 (r/w45) 4 3106400200 bearing plastic assy 2 o.D37 .0*i.D6.0 5 3100076400 fan cross flow assy 1 Ø10...

  • Page 120

    115 no part code part name q'ty spec remark 32 2150013200 al foil emi 0.1 al100p (w100xl100) 33 3106902400 capacitor sh.M.B 1 2.0mf 400v 34 3102797910 harness earth 1 green/yellow l170mm 35 3104896300 sensor id assy 1 ptm-kd43c-d2, l330 36 3108912320 terminal block 1 sn-dbw-4p 37 5epv050120 transfor...

  • Page 121

    116 ◆dsb-070lh/071lh/dsb-091lh/092lh/dsb-121lh/122lh/123lh 4 exploded diagram (outdoor unit).

  • Page 122

    117 no part code part name q'ty spec remark 3100300511 071lh(dw comp rbb075a011) 1 pan base 3 secc t1.2 092lh(dw comp rbb100a011) 3100300531 123lh(dw comp. Rcb150a001) 071lh(dw comp rbb075a011) 2 310600900 comp. Bolt 3 mb x l46.5 092lh(dw comp rbb100a011) 123lh(dw comp. Rcb150a001) 3 3102100800 foot...

  • Page 123

    118 no part code part name q'ty spec remark 3108008900 ydk-30-6b 071lh 20 3118001100 motor odu 1 a9525bd010 092lh 3118001300 a9530cd010 123lh 21 3101801000 fan propeller 1 abs+g.F20% (black) 22 7400208411 washer plain 1 pw-2-8 mfzn 23 7392800011 nut lock 1 m8 x p1.25 mfzn 24 3104201900 panel control...

  • Page 124

    119 ; ; ; ; ; ; ;;; ; ; ; ;; ;; ;; ; ; ; ; ; ;; ;;;;;;;; ◆dsb-182lh/182lh-r/dsa-183lh-r.

  • Page 125

    120 no part code part name q'ty spec remark 1 3102402100 grille cond 1 pe 2 3114200500 panel top 1 secc t1.0 3 3110800200 cabinet 1 secc t1.0 4 3101800100 fan 1 abs + g/f 5 3102400710 grille discharge 1 pp 6 3110800300 cabinet 1 secc t1.0 7 3118100200 pan base 1 secc t1.2 dsb-182lh 3118100220 8 3105...

  • Page 126

    121 no part code part name q'ty spec remark 19 3110010700 pipe discharge ass’y 1 dsb-182lh 3110010800 dsb-182lh-r, dsa-183lh-r 20 3110008710 pipe filter assy 1 dsb-182lh-r, dsa-183lh-r 3110027500 dsb-182lh-r 3107140100 shw-33tc4-u dsb-182lh 21 3100068010 compressor 1 awg5524exc dsb-182lh-r 310006811...

  • Page 127

    122 ◆ dsb-240lh-r/dsa-240lh-r 24 20 18 19 17 15 16 6 9 10 3 1 11 13 14 12 25 24 4 5 8 7 23 16-1 16-3 16-6 16-4 16-2 16-5 21 2 2.

  • Page 128

    123 no part code part name q'ty spec remark 1 3100041750 base pan paint assy 1 painting 2 310p30281a foot cushion 4 nbr (54*63.5) 3 3100068201 compressor assy 1 awg5530exc dsb-240lh-r 3100068300 awg5524exn dsa-240lh-r 4 7400208411 washer plain 3 id8.4*od22*t1.6 5 7392801211 nut lock 3 m8*1.25p 6 310...

  • Page 129: Control Box Assembly

    124 5 control box assembly 3 0 9 4 l y 1 2 5 1 w q 6 7 8 2 ◆dsb-070lh/071lh/dsb-091lh/092lh.

  • Page 130

    125 ◆dsb-070lh/071lh/dsb-091lh/092lh no part code part name q'ty spec remark 1 3100054410 control pcb ass’y 1 2 3108912301 terminal block 1 sn-dbw-05p 300v 25a 3 3106900300 capacitor sh.M.B 1 1.0µf 400vac 4 3104896300 sensor id ass’y 1 ptm-kd43c-d2 5 3101300100 power cord ass’y 1 16a 250v 6 31027976...

  • Page 131

    126 ◆dsb-121lh/dsb-122lh.

  • Page 132

    127 ◆dsb-090lh/dsb-121lh/dsb-122lh no part code part name q'ty spec remark 1 3100503100 control box 1 p.P+g.F 20% 2 3100054400 control pcb ass’y 1 fr-1 3 3100054200 led pcb ass’y 1 fr-1 4 3103400300 knob reset switch 1 abs 5 3101395060 power cord ass’y 1 buyer 6 3108912301 terminal block 1 sn-dbw-05...

  • Page 133

    128 ◆dsb-123lh.

  • Page 134

    129 ◆dsb-123lh no part code part name q'ty spec remark 1 3110504000 control box 1 hips t2.0(black) 2 3111312110 power cord 1 ac250v, 10/16a h0.5v v-f x 1mm 2 3 3114302090 control pcb ass’y 1 4 3108914200 terminal block 1 jxo-ch-4p 5 3108003910 stepping motor 1 mp24ga 6 3112716100 harness led pcb 1 u...

  • Page 135

    130 ◆dsb-182lh/182lh-r.

  • Page 136

    131 ◆dsb-182lh/182lh-r no part code part name q'ty spec re mark 1 3100506900 control box 1 abs 2 3104300720 control pcb ass’y 1 3 3104300212 power pcb ass’y 1 4 3104300301 switch pcb ass’y 1 5 3104300401 led pcb ass’y 1 6 3108004310 motor stepping 1 dc 12v l=1300mm 7 3108004300 motor stepping 2 dc 1...

  • Page 137

    132 ◆dsa-183lh-r/dsb-240lh-r/dsa-240lh-r 3 13 7 6 9 10 5 8 7 2 12 11 4.

  • Page 138

    133 ◆dsa-183lh-r/dsb-240lh-r/dsa-240lh-r no part code part name q'ty spec remark 1 3104300770 control pcb ass’y 1 2 3101200400 clamp power cord 1 da-5n 3 3106902400 capacitor sh.M.B 1 2.0mf 400v 4 3102797910 harness earth 1 green/yellow l170mm 5 3102714400 harness capacitor 1 6 3102704410 harness co...

  • Page 139

    Deawoo electronics co., ltd 686, ahyeon-dong mapogu, seoul, korea. C.P.O. Box 8003 seoul korea telex: dwelec k28177-8 cable:"daewooelec" fax: +82-2-364-5588 tel: +82-2-360-7114, 8114 http://www.Dwe.Daewoo.Co.Kr s/m no. : 3113907100 printed date: may. 2001.