1. DL manuals
  2. Daewoo
  3. Air Conditioner
  4. DPA-380R
  5. Service Manual

Daewoo DPA-380R Service Manual

Manual is about: Floor Standing

Summary of DPA-380R

  • Page 1

    Contents 1. Installation guide...........................................................................................2 2. Specification..................................................................................................6 3. Outline......................................................

  • Page 2: 1. Installation Guide

    2 1. Installation guide 1 installation place ◆ indoor unit ◆ outdoor unit secure enough space from the neighboring objects as shown below. This is required to operate the unit efficiently. • flat and strong place in the room • no obstacles in front of air in/out grille • easy place to connect drain ...

  • Page 3: Installation of Outdoor Unit

    3 4 installation of outdoor unit 5 refrigerant tube connection 1) cushion rubbers absorb vibration of outdoor unit 2) the unit must be grounded for safety in accordance with local electrical codes. (grounding resistance should be under 100 ohms ■ specification and method of copper tube • connection ...

  • Page 4: Electrical Wiring

    4 6 electrical wiring caution • be sure to use designated wires and make it as short as possible • use an exclusive power supply for the air conditioner • use an electricity leakage interrupter having suitable capacity. • grounding resistance should be under 100 ohms and the grounding wire should be...

  • Page 5

    5 (model: dpa-300rh) (model: dpa-300r) connecting method specification of wires (model: dpa-300r) (model: dpa-300rh) no. Of terminal block y n l n1 l1 spec h07rn-f, 1.0mm 2 h07rn-f, 1.0mm 2 h07rn-f, 1.0mm 2 h07rn-f, 1.0mm 2 h07rn-f, 6.0mm 2 h07rn-f, 6.0mm 2 h07rn-f, 6.0mm 2 name of cord connection c...

  • Page 6: 2. Specifications

    6 2. Specifications model dpa-300r item function cooling class t power ac 220v, 60hz conditions by jis c9812 capacity w 11,134 btu/h 38,000 dehumidification l/h – running current a 17.0 power input w 3,600 starting current a – type recipro model cr38k6-pfv capacitor 40µf / 450 vac indoor unit outdoo...

  • Page 7

    7 model dpa-300rh item function cooling heating class t power ac 220v, 60hz conditions by jis c9812 capacity w 11,134 11,134 btu/h 38,000 38,000 dehumidification l/h – – running current a 19.0 18.0 power input w 4,000 3,800 starting current a – type recipro model cr41kq-pfv capacitor 50µf / 400 vac ...

  • Page 8: 3. Outline

    8 3. Outline 1 indoor unit ◆ dpa-300r/rh no part name quantity description remarks 1 connecting hole 3 ø60x100 (left, right, back) 2 evaporator 1 heat exchanger 3 suction grille 1 air inlet 4 discharge grille 1 air outlet 5 fan blower 1 sirocco type 6 joint (gas) 1 od ø15.88mm 7 joint (liquid) 1 od ...

  • Page 9: Outdoor Unit

    9 2 outdoor unit ◆ dpa-300r/rh no part name quantity description remarks 1 service valve (liquid) 1 od ø9.52mm flare type 2 service valve (gas) 1 od ø15.88mm flare type 3 service door 1 4 fan guard 1 fan protector 5 fan blower 1 propeller type 6 condenser 1 heat exchanger 7 fan motor 1 foor propelle...

  • Page 10: Parts of Name and Function

    10 1 parts of name and function indoor unit 4. Operation main controls/ remote sensor remote controller - operative distance is within 7m from the indoor unit. - use toward to the remote sensor air out air in - there is an air filter inside this grille. * the method to open the air suction grille pu...

  • Page 11

    11 save mode button and indicator timer on/off button press to set the unit off or on time. (1, 2, 3......24hr) temperature & reservation time button press to raise or lower the desired temperature and time. Outdoor unit operation indicator lights to indicate the outdoor unit operation. Fan speed bu...

  • Page 12: Outdoor Unit

    12 outdoor unit caution • do not install the outdoor unit on unstable place like outside wall of building or outside of balcony. In case of falling, it may cause serious trouble and damage. Outdoor unit air in - if there is any obstacle in front of the grille, the efficiency of the unit can be lower...

  • Page 13: Name of Each Button

    13 name of each button 2 remote controller fan dir. Lock mode fan speed temp fan dir. Auto swing fan dir. Button press to select left/right direction for fan. Temperature button press to raise or lower the desired temperature and time. Mode button press to cycle through the modes (cool/fan/heat) loc...

  • Page 14: Replacing Batteries

    14 replacing batteries 1. Slide down further to access the battery compartment. 2. Insert two “aaa” size alkaline batteries following the polarity diagram below. Battery precautions the precautions below should be followed when using batteries in this device: 1. Use only the size and type of batteri...

  • Page 15: Off-Timer

    15 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: 16~32°c (2) setting temperature: operating temperature of compressor (3) during the time of test operating, fan (indoor, ou...

  • Page 16: Fan Speed (Indoor Unit)

    16 fan speed (indoor unit) (1) motor speed (high speed, middle speed, low speed). (2) remote controller setting fan speed. (auto, l, m, h) (3) relation of operating mode between fan speed. (legend: x-no relation) (4) automatic operation if the unit is set in 'auto' mode, the unit operates automatica...

  • Page 17: Save Mode

    17 (1) to set the save mode, press the save mode button during cool or heat mode. By applying the save mode, the desired temperature is adjusted gradually enough not to feel the change of temperature, so that electricity cost can be cut down and also over-air cooling and-heating can be prevented. (2...

  • Page 18: Cooling Airflow Prevention

    18 3 seconds time delay of indoor fan motor when the speed of indoor fan motor changes, there is a time delay of 3 seconds at each speed step. Cooling airflow prevention when the indoor coil temperature is lower than 37°c, microcomputer of the unit stops indoor fan to prevent cooling airflow. Heatin...

  • Page 19: Test Operation

    19 test operation self-diagnostic function the control will contain diagnostic test to verify the integrity of the system. (1) error code display : rt (room temperature) led error code display error contents 1 “e1” indoor unit sensor open or short 2 “e2” outdoor unit sensor open or short 3 “ e3 ” co...

  • Page 20: 5. Circuit Diagram

    20 5. Circuit diagram ◆ dpa-300r 1 wire connection of indoor and outdoor unit.

  • Page 21

    21 ◆ dpa-300rh.

  • Page 22: Main Electric Parts

    22 ◆ dpa-300r 2 main electric parts object/part no. Manufacturer/trademark type/model technical data mark(s) ofconformity compressor copeland cr38k6-pfv ac 208~230v/60hz, demko r22(2.6kg), 3520w, e-class outdoor fan motor o-sung motor ind. Obm-3012b1 ac 220v/60hz, 174w/92w, none 920rpm, e-class, ccw...

  • Page 23

    23 ◆ dpa-300rh object/part no. Manufacturer/trademark type/model technical data mark(s) ofconformity compressor copeland cr41kq-pfv ac 208~230v/60hz, r22(2.6kg), demko 4027w, e-class outdoor fan motor o-sung motor ind. Obm-3012b1 ac 220v/60hz, 174w/92w, none 920rpm, e-class, ccw indoor fan motor sun...

  • Page 24: Pcb Circuit Diagram

    24 3 pcb circuit diagram.

  • Page 25

    25 no part code part name quantity specification 1 5fvgb8022l fuse 1 250v 51s 8a 2 3107000600 fuse clip 2 afc-520 3 3108802600 wafer 1 yw396-03avd (rd) 4 3108802700 wafer 1 yw396-03avd (bk) 5 3108802800 wafer 1 yw396-03avd (bl) 6 3108806400 wafer 1 ypw500-05 7 3108803000 wafer 1 yw500-02v 8 31088039...

  • Page 26: Power Supply(1)

    26 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, stepping motor. Ac voltage of secondary power transformer is rectified by bridge diode, and it is filtering by main condensor ce1. Filte...

  • Page 27: Sensor(3)

    27 room temperature and evaporator temperature sensor input description number 23 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 r37 (12.7k Ω ) and r38 (12.7k Ω ). Relation be...

  • Page 28: Remote Controller(4)

    28 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 4-1. But in secondary wave custom code is reversed face. Leader code custom code data cod...

  • Page 29: Buzzer Driving(6)

    29 description micom 30 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 2khz. Vcc 12v 62783 micom 30 8 11 r12 1k bz buzzer driving(6).

  • Page 30

    30 micom pin description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 osc1 osc2 vss_2 reset ispsel pa7 pa6 pa5 pa4 vss_1 vdd_1 pa3 pc7 pc6 pb4 pd0 pd1 pd2 pd3 pd4 pd5 vdda vssa pf0 pf1 pf2 pf4 pf6 pf7 pc0 pc1 pc2 pc3 pc4 pc5 display output temperature sensor input display output oscillation...

  • Page 31: 6. Refrigerant Cycle

    31 6. Refrigerant cycle service valve filter compressor fan indoor heat exchanger m distributer capillary tube union outdoor heat exchanger indoor unit outdoor unit m note) if the pipe length exceeds the standard length, add 130g of refrigerant per extra meter. Contents model name cooling heating ca...

  • Page 32: 7. Tr

    32 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 33

    33 the power is applied to the unit check the voltage between and of outdoor unit terminal block n1 l1 check the breaker or fuse self diagnostic function is on check according to self diagnostic function control p.C.B defect check the indoor unit display is the display all off? Press the on/off swit...

  • Page 34

    34 2 outdoor unit runs but indoor unit do not run 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 aga...

  • Page 35: Outdoor Fan Do Not Run

    35 3 outdoor fan do not run check the voltage between and of indoor unit terminal block n l check the voltage between and of outdoor unit terminal block n1 l1 check the voltage between and of outdoor unit terminal block 2 l check outdoor fan motor individually check the connecting wire check the con...

  • Page 36: Only Compressor Do Not Run

    36 4 only compressor do not run - check the following at cooling mode check the voltage between and of outdoor unit terminal block y n check the voltage between and of indoor unit terminal block y n check the magnetic contactor check the wiring of outdoor unit check the compressor (check the winding...

  • Page 37

    37 5 remote controller assmbly functional test method 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 is display at the beginning on?...

  • Page 38: 8. Exploded Diagram

    38 8. Exploded diagram 1 indoor unit.

  • Page 39

    39 no part name part code quantity remarks dpa-380r dpa-380rh dpa-380r dpa-380rh 1 base cover assy 310p20107b 310p20107b 1 1 2 side panel (l) assy 310p30555c 310p30555c 1 1 including insu. 3 bkt drain support 3110600300 3110600300 2 2 4 side panel (r) assy 310p30540b 310p30540b 1 1 including insu. 5...

  • Page 40

    40 no part name part code quantity remarks dpa-380r dpa-380rh dpa-380r dpa-380rh 28 bkt swing motor assy 3110003500 3110003500 1 1 including insu. 29 swing motor assy 3966031000 3966031000 2 2 30 cam 310p30377a 310p30377a 2 2 31 bushing blade 3100700100 3100700100 18 18 32 vertical conn.Bar 310p3063...

  • Page 41: Outdoor Unit

    41 2 outdoor unit.

  • Page 42

    42 no part name part code quantity remarks dpa-380r dpa-380rh dpa-380r dpa-380rh 1 base panel assy 3110003700 3110003700 1 1 2 bkt svc v/v assy 3110003800 3110003800 1 1 3 comp. Unit assy 310p30725a 3117109600 1 1 4 service v/v assy(g) 310p30753a 310p30753a 1 1 5 service v/v assy(l) 310p30751a 310p3...

  • Page 43

    Daewoo electronics co., ltd. 686, ahyeon-dong mapo-gu seoul, korea c.P.O. Box 8003 seoul, korea telex: dwelec k28177-8 cable: “daewooelec” fax: 02) 360-8184 tel: 02) 360-8182/8178~9 http://www.Dwe. Daewoo.Co.Kr printed date: mar.2002.

  • Page 44: Service Manual

    45 service manual floor standing air conditioner model: dpa-380r/rh daewoo electronics co., ltd. Overseas service deft. ✔ 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 t...