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  5. User Manual

Daewoo DSB-093LH User Manual

Summary of DSB-093LH

  • Page 1

    Contents 1. Specifications ..........................................................................................................2 2. Outline and dimensions ....................................................................................... 4 3. Operation .......................................

  • Page 2: 1. Specifications

    2 model dsb-093lh item function cooling & heating class t1 power ac 220~240v/ 50hz capacity w 2,930/2,780 btu/h 10,000/9,500 dehumidification l/h 1.2 running current a 4.8/4.3 power input w 1,020/920 starting current a 24 type rotary model rbb100a011 capacitor 30µf / 370vac indoor unit outdoor unit ...

  • Page 3

    3 model item function class power capacity btu/h dehumidification l/h running current a power input w starting current a type model capacitor type capacitor motor model number sound level (hi) db(a) fan speed (hi) rpm control charge q'ty g type od (liquid/gas) in(mm) dimensions (w x h x d) mm 1080 x...

  • Page 4: 2. Outline And Dimensions

    4 2. Outline and dimensions 1 indoor unit dsb-093lh.

  • Page 5

    5 c on ne ctin g p ip e b od y fra m e g rille g rille in se rt p la te m ou nti ng 43 0 71 0 10 80 f ilte r-l f ilte r-r r e m o c o n dsb-183lh 20 0 29 8.

  • Page 6

    6 indoor unit dsb-183lh dsb-093lh indoor unit installation plate wall hole ( 65) wall hole ( 65) installation plate 90 97 53 355 285 122 40 80 460 400 140 50 unit : mm installing the installation plate 103 90

  • Page 7: 2 Outdoor Unit

    7 dsb-093lh o utl et fo ot c us hio n c ab in et fr on t c ab in et s id e p an el t op g uid e s up po rt s v c c ov er s er vis e v alv e in le t o utl et in le t 2 outdoor unit.

  • Page 8

    8 dsb-183lh in le t o utl et o utl et fo ot c us hio n c ab in et fr on t c ab in et s id e p an el t op g uid e s up po rt s v c c ov er s er vis e v alv e 58 0 80 0 320 360 400 in le t.

  • Page 9: Name and Function of Parts

    1 name and function of parts indoor unit 3. Operation dsb-093lh 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 a...

  • Page 10

    10 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 11: Indoor Unit Display

    Dsb-093lh ■ 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 co...

  • Page 12: Indoor Unit Display

    12 dsb-183lh ■ 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 used when the...

  • Page 13: Outdoor Unit

    13 dsb-093lh 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 outdoor unit.

  • Page 14

    14 dsb-183lh 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 the unit here. Ground w...

  • Page 15: Name of Each Button

    15 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 to set the unit of...

  • Page 16: Off-Timer

    16 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 17: Fan Speed (Indoor Unit)

    17 fan speed (indoor unit) (1) motor speed (high speed, middle speed, low speed). (2) remote controller setting fan speed. (auto, l, m, h, natural) (3) relation of operating mode between fan speed. (4) automatic operation if the unit is set in 'auto' mode, the unit operates automatically according t...

  • Page 18: Sleep Mode

    18 (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 19: Auto Mode

    19 frost prevention of indoor unit when the unit operates at low ambient temperature, frost may appear on the evaporator. When the indoor coil temperature is lower than 0°c at the end of 10 minutes of continuous compressor operation from the start, the microcomputer of the unit stops the compressor ...

  • Page 20: Dehumidification Mode

    20 1) cooling mode when the room temperature is higher than 22c fan speed: super high speed air discharge direction: fixed set temperature: 18 c (fixed) compressor and outdoor fan the air discharge direction procedure is below fixed up/down up/down fixed the option is left/right direction. 1) heatin...

  • Page 21

    21 defrost function chart for outdoor condenser max load heating operation diagram • note1 : 120sec for 24kbtu model • note2 : the temperature is over 120°c or 15 minute later. • note1 : 30s on. 120s off when the compressor is off. • note2 : the fan is on when the temperature is below 49°c. • note3 ...

  • Page 22: Self-Diagnostic Function

    22 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 self diagnostic function description 1. Sensor error open or short circuit of sensors, room, indoor coil sensor and outdoor coil sensor open : mi...

  • Page 23: 4. Wiring Diagram

    23 4. Wiring diagram indoor unit circuit diagram dsb-093lh.

  • Page 24

    Dsb-183lh 24.

  • Page 25: Outdoor Unit

    25 outdoor unit dsb-093lh dsb-093lh.

  • Page 26: 1 Main Electric Parts

    26 1 main electric parts dsb-093lh part name part code spec. Quantity remark fan motor 3118003500 rp13b 1 fan motor capacitor cmxw2g155k 1.5uf 400vac 1 fuse 5fvlb3152l 250v 3.15a 1 stepping motor 3108003910 mp24ga 1 terminal block 3118900200 jxo-ch-2p 1 compressor 3117104480 rbb100a 1 fan motor 3118...

  • Page 27: 5. Refrigerant Cycle

    27 5. Refrigerant cycle note) if the pipe length exceeds the standard length, add 30g of refrigerant per extra meter. 1 diagram of refrigerant cycle.

  • Page 28: Change of Outdoor Room Temp.

    28 2 table of suction pressures according to the change of outdoor room temp. Model dsb-071lh dsb-092lh dsb-093lh dsb-123lh dsb-183lh dsb-240lh refrigerant 850g 800g 730g 1200g 1400g 1900g indoor room temp.(db/wb, °c) 27.0/19.0 27.0/19.0 27.0/19.0 27.0/19.0 27.0/19.0 27.0/19.0 outdoor room temp.(db/...

  • Page 29

    29 3 r410a & r22 saturation pressure table r410a r22 temp (°c) pressure(liquid): bar pressure(vapor): bar pressure: bar 0 7.991 7.967 4.98 1 8.248 8.223 5.144 2 8.511 8.486 5.312 3 8.781 8.754 5.484 4 9.057 9.029 5.661 5 9.339 9.311 5.841 6 9.628 9.599 6.026 7 9.924 9.894 6.215 8 10.23 10.2 6.409 9 ...

  • Page 30: 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 31

    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 32: 7. Trouble Shooting

    32 7. Trouble shooting o utd oo r u nit d oe s no t ru n? (n ote . 1 ) d oe s th e c om pre ss or ru n no rm ally ? In do or un it d oe s no t ru n(n ote 1 ) c he ck th e f ailu re co de a cc ord in g t o th e s elf d ia gn os tic (n ote 2 ) is th e u nit dis pla y m orm al? Ch ec k t he fa ilu re c...

  • Page 33: Self-Diagnostic Function

    33 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 34

    34 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 35

    35 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 36

    36 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 37: Only Compressor Does Not Run

    37 - 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 38: Pcb Driving Description

    Pcb driving description.

  • Page 39: Pcb Circuit Diagram

    1 pcb circuit diagram dsb-093lh.

  • Page 41

    Dsb-183lh.

  • Page 43: Power Supply(1)

    43 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 44: Sensor(3)

    44 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 45: Triac Driving(4)

    45 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 46: Remote Controller(5)

    46 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 47: Micom Power Supply(7)

    47 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 48: Reset(8)

    48 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 49: Buzzer Driving(10)

    49 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 50: Zero Crossing Detect(11)

    50 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 51: Stepping Motor Driving(12)

    51 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 52

    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 53

    53 (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 54: (1) U1 (Micom)

    54 (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 55

    55 (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 56: (5) U9 (Kia7042P) : Reset Ic

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

  • Page 57: Indoor Unit

    1 indoor unit 9. Disassembly instructions 57 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 t...

  • Page 58

    58 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 59: Outdoor Unit

    59 dsb-093lh 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 six screws) 3 remove the side cabinet. (loosen ...

  • Page 60

    60 dsb-183lh 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. (fig 3) 1 loosen th...

  • Page 61

    61 3 exploded diagram (indoor unit) dsb-093lh.

  • Page 62

    62 dsb-093lh part list (indoor unit) no part code part name q'ty spec remark 1 3110400301 body 1 hips t2.0 (gy258a) 2 3118003500 motor idu 1 rb13b(220v, 50/60v) 3 3106400400 bearing plastic assy 1 4 3110046000 fan cross flow assy 1 san+g.F 30% ø100xl615 5 7485401012 set screw 1 6s-4x10-e mfzn 6 3113...

  • Page 63

    63 dsb-183lh.

  • Page 64

    64 dsb-183lh part list (indoor unit) no part code part name q'ty spec remark 1 3100400600 body 1 2 3108007510 motor idu 1 ic-9430dwkg7a 3 3101500400 cushion motor 2 cr i.D30 (r/w45) 4 3106400200 bearing plastic assy 1 o.D37.0*i.D6.0 5 3100076400 fan cross flow assy 1 od 100*l864 6 7485401012 set scr...

  • Page 65

    65 dsb-093lh 4 exploded diagram (outdoor unit).

  • Page 66

    66 dsb-093lh part list (outdoor unit) no part code part name q'ty spec remark 1 3100014720 pan base assy 1 secc t1.2 (rbb075a/rbb100a) 3100014700 (rcb135u) 2 3106000900 comp. Bolt 3 m8 x l46.5 3 3102100800 foot 1 secc t1.2 4 3108104ae0 comp. Grommet 3 epdm 3117104470 rbb075a011 070/071lh 5 311710448...

  • Page 67

    67 no part code part name q'ty spec remark 25 3114504110 plate partition 1 26 3104201900 panel control 1 sbhg1 t0.8 27 3108912300 terminal block 1 sn-dbw-03p 3109501201 1.8+25µf 400vac 070/071lh 28 3109505710 capacitor dual 1 1.8+30µf 400vac 093lh 3116904600 3.5+40µf 400vac 123lh 29 3101201100 clamp...

  • Page 68

    68 dsb-183lh.

  • Page 69

    69 no part code part name q'ty spec remark 3110016100 (b)-182lh 1 3110007500 pan base assy 1 (b)-183lh 3110016200 (b)-183lh-r, (a)-183lh-r 2 3102100201 foot 4 secc t2.0 3 3106000100 bolt comp. 3 m8xl46.5 (dw) 3106002700 4 m8xl30 (tecumseh) 3117104390 rcb195a001 (b)-183lh 4 3100068001 compressor 1 aw...

  • Page 70

    70 no part code part name q'ty spec remark 20 3112500300 guide support 1 secc t1.2 21 3112400700 grille cond. 1 pe 22 3110600200 bracket motor 1 sgcc t1.2 23 3108009110 motor odu 1 ydk-50-6b (b)-182/183 3108000521 ic-1625dwlf6b (a)-183lh-r 24 7348602011 bolt hex 4 washer m6xl20 mfzn 25 3101800100 fa...

  • Page 71: Control Box Assembly

    71 dsb-093lh 5 control box assembly.

  • Page 72

    72 dsb-093lh 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 123lh 3114302091 093lh 4 3108914200 terminal block 1 jxo-ch-4p 5 3108003910 stepping motor 1 mp24ga 6 311271610...

  • Page 73

    73 dsb-183lh 13 3 7 6 9 10 5 8 7 2 12 11 4.

  • Page 74

    74 dsb-183lh no part code part name q'ty spec remark 1 3104300830 control pcb ass’y 1 dsb-183lh-r/183lh/240lh-r 3104300770 dsa-183lh-r/240lh-r 2 3101395030 power cord 1 250v/16a ho5uv-f 3x1.5mm 2 3 3106902400 capacitor sh.M.B 1 2.0mf 400v 4 3102797910 harness earth 1 green/yellow l170mm 5 3102714400...

  • Page 75

    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. : 3113907130 printed date: may. 2001.

  • Page 76: Service Manual

    135 service manual split system air conditioner model: dsb-0 93l h dsb- 183 lh daewoo electronics corp. ✔ 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 pric...