Daewoo DPA-380R Service Manual
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Daewoo DPA-380R Service Manual

Daewoo DPA-380R Service Manual

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Contents
CONTENTS
1. Installation Guide...........................................................................................2
2. Specification..................................................................................................6
3. Outline..........................................................................................................8
4. Operation ...................................................................................................10
5. Circuit Diagram...........................................................................................20
6. Refrigerant Cycle .........................................................................................31
7. Trouble Shooting..........................................................................................32
8. Exploded Diagram ......................................................................................38

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Summary of Contents for Daewoo DPA-380R

  • Page 1: Table Of Contents

    Contents CONTENTS 1. Installation Guide...................2 2. Specification....................6 3. Outline......................8 4. Operation ....................10 5. Circuit Diagram...................20 6. Refrigerant Cycle ..................31 7. Trouble Shooting..................32 8. Exploded Diagram ..................38...

  • Page 2: Installation Guide

    1. INSTALLATION GUIDE INSTALLATION PLACE Indoor unit Outdoor unit • Flat and strong place in the room • A place no reach of direct ray of sun (if necessary, shield the • No obstacles in front of air in/out grille light) •...

  • Page 3: Installation Of Outdoor Unit

    INSTALLATION OF OUTDOOR UNIT 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 REFRIGERANT TUBE CONNECTION Specification and method of copper tube •...

  • Page 4: Electrical Wiring

    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 connected firmly to the terminal of out door unit.
  • Page 5 CONNECTING METHOD (MODEL: DPA-300R) (MODEL: DPA-300RH) SPECIFICATION OF WIRES No. of Terminal Block Spec Name of Cord H07RN-F, 1.0mm CONNECTION CORD H07RN-F, 1.0mm CONNECTION CORD H07RN-F, 1.0mm CONNECTION CORD H07RN-F, 1.0mm CONNECTION CORD H07RN-F, 6.0mm POWER CORD H07RN-F, 6.0mm POWER CORD H07RN-F, 6.0mm POWER CORD (MODEL: DPA-300R)

  • Page 6: Specification

    2. SPECIFICATIONS DPA-300R MODEL DPA-300R ITEM Function COOLING Class Power AC 220V, 60Hz Conditions By JIS C9812 Capacity 11,134 Btu/h 38,000 Dehumidification – Running Current 17.0 Electrical Power Input 3,600 Data Starting Current – Type Recipro Compressor Model CR38K6-PFV Capacitor 40µF / 450 VAC Indoor Unit Outdoor Unit...
  • Page 7 DPA-300RH MODEL DPA-300RH ITEM Function COOLING HEATING Class Power AC 220V, 60Hz Conditions By JIS C9812 Capacity 11,134 11,134 Btu/h 38,000 38,000 Dehumidification – – Running Current 19.0 18.0 Electrical Power Input 4,000 3,800 Data Starting Current – Type Recipro Compressor Model CR41KQ-PFV...

  • Page 8: Outline

    3. OUTLINE INDOOR UNIT DPA-300R/RH Part Name Quantity Description Remarks Connecting Hole ø60X100 (Left, Right, Back) Evaporator Heat Exchanger Suction Grille Air Inlet Discharge Grille Air outlet Fan Blower Sirocco Type Joint (Gas) OD ø15.88mm Joint (Liquid) OD ø9.52mm...
  • Page 9 OUTDOOR UNIT DPA-300R/RH 1065 Part Name Quantity Description Remarks Service Valve (Liquid) OD ø9.52mm Flare Type Service Valve (Gas) OD ø15.88mm Flare Type Service Door Fan Guard Fan Protector Fan Blower Propeller type Condenser Heat Exchanger Fan motor Foor propeller fan Compressor Depend on Models...

  • Page 10: Operation

    4. OPERATION PARTS OF NAME AND FUNCTION Indoor Unit AIR OUT MAIN CONTROLS/ AIR IN REMOTE SENSOR - There is an air filter inside this grille. * The method to open the air suction grille Pull the upper side of grille with both hands.
  • Page 11 COOL LO. MI. HI. AUTO REMOCON CURRENT TEMP DESIRED TEMP HEAT COMP ON/OFF FAN DIR. SAVE FAN SPEED MODE TIMER DOWN SAVE Mode Button and Indicator MODE Button and Indicator Press to cycle through the modes TIMER ON/OFF Button (Cool / Fan / Heat) Press to set the unit off or on time.
  • Page 12 Outdoor Unit OUTDOOR UNIT AIR OUT SERVICE VALVE(GAS TUBE) SERVICE VALVE(LIQUID TUBE) CAUTION • Do not install the outdoor unit on unstable place like outside wall of building or outside of balcony. In case of OUTDOOR UNIT AIR IN falling, it may cause serious trouble and - If there is any obstacle in front of damage.

  • Page 13: Remote Controller

    REMOTE CONTROLLER Name of Each Button AUTO SWING FAN DIR. Button FAN DIR. Button Press to select left/right Press to select up/down FAN DIR. FAN DIR. direction for fan. direction for fan. MODE Button LOCK Button Press to cycle through In case that the Lock LOCK MODE...
  • Page 14 Replacing Batteries 1. Slide down further to access 2. Insert two “AAA” size Alkaline batteries the battery compartment. 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 batteries specified. 2.
  • Page 15 DESCRIPTION OF FUNCTIONS OFF-Timer If you set time in OFF-Timer Mode, the unit will stop at the set time. Unit ON Unit OFF SET Time HOUR ON-Timer If you set time in ON-Timer Mode, the unit will run at the set time. Unit ON Unit OFF SET Time...
  • Page 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) FAN ONLY COOL HEAT Auto Auto Auto (4) Automatic Operation If the unit is set in 'AUTO' mode, the unit operates automatically according to the room temperature to keep...

  • Page 17: Save Mode

    Save Mode (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) For changing the temperature.
  • Page 18 3 min. Time Delay of Compressor In normal operation, there is a time delay of three minutes between turn off and turning back on including initial power up. 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.

  • Page 19: Test Operation

    Test Operation (1) Perform TEST operation after the units have been installed in position and gas leak test has been completed. (2) FAN (indoor unit, outdoor unit) and COMPRESSOR is continuously operating regardless of room temperature. 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...

  • Page 20: Circuit Diagram

    5. CIRCUIT DIAGRAM WIRE CONNECTION OF INDOOR AND OUTDOOR UNIT DPA-300R...
  • Page 21 DPA-300RH...
  • Page 22 MAIN ELECTRIC PARTS DPA-300R 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 Indoor fan motor Sungsin motor ind. IC-13840DWKF6B AC 220V/60Hz, 220W/104W, 690/ NONE...
  • Page 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 Sungsin motor ind. IC-13840DWKF6B AC 220V/60Hz, 220W/104W, NONE 690/640/590/540rpm, E-class, CCW Thermal protector...
  • Page 24 PCB CIRCUIT DIAGRAM...
  • Page 25 Part Code Part Name Quantity Specification 5FVGB8022L FUSE 250V 51S 8A 3107000600 FUSE CLIP AFC-520 3108802600 WAFER YW396-03AVD (RD) 3108802700 WAFER YW396-03AVD (BK) 3108802800 WAFER YW396-03AVD (BL) 3108806400 WAFER YPW500-05 3108803000 WAFER YW500-02V 3108803900 WAFER YW396-05AVD 3108801900 WAFER SMW250-04 3108802110 WAFER SMW250-09 3108802100...

  • Page 26: Pcb Driving Description

    PCB DRIVING DESCRIPTION Power Supply(1) VAR1 AC 220V 275V 7812 104K 7805 FUSE VI VO VI VO 3.15A 100µF 470µF 1000µF POWER TRANS 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.
  • Page 27 Sensor(3) Room temperature and Evaporator temperature Sensor Input CN12 PT-K43C CC10 12.7K MICOM Room SMW250-04 PT-K43C CC11 12.7K 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 (12.7KΩ) and R38 (12.7KΩ).
  • Page 28 Remote Controller(4) 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. 4.5ms 16bit 24bit...
  • Page 29 Buzzer Driving(6) DESCRIPTION MICOM Micom 30 Terminal put out Buzzer Driving Pulse, 62783 its output is driving Buzzer through Buffer. Ocillatory Frequency of buzzer is selected by internal Micom. This unit is setting at 2KHz.
  • Page 30 MICOM PIN DESCRIPTION Display Output Display Output Temperature Sensor Input VDDA OSC1 Oscillation VSSA OSC2 VSS_2 4-way Valve Driving RESET Outdoor Unit Motor Driving ISPSEL Buzzer Driving Indoor Fan Driving Auto Swing(L/R) Driving Compressor Driving Auto Swing(U/D) Driving Display Input VSS_1 VDD_1 Remocon Input...

  • Page 31: Refrigerant Cycle

    6. REFRIGERANT CYCLE INDOOR UNIT OUTDOOR UNIT INDOOR HEAT EXCHANGER UNION SERVICE VALVE FILTER OUTDOOR COMPRESSOR HEAT EXCHANGER DISTRIBUTER CAPILLARY TUBE Note) If the pipe length exceeds the standard length, add 130g of refrigerant per extra meter. Model Name Cooling Heating Contents Capillary tube...

  • Page 32: Trouble Shooting

    Trouble Is the Is the power Check power supply mains unit display applied to the or interconnection wires normal? unit Outdoor unit does Is the not run?(note. 1) power normal? Check the wiring of indoor check the voltage between L1 & N1 of terminal block Does the compressor run...
  • Page 33 Neither Indoor Unit nor Outdoor Unit Runs The power is applied to the unit Rating voltage Check the under 90% Breaker or Fuse Check the voltage between of outdoor unit terminal block Rating voltage more than 90% Check the indoor unit display Self Diagnostic is the display all off? function is ON...
  • Page 34 Outdoor Unit Runs but Indoor Unit Do Not Run Check rotation of indoor fan Check the Fan Motor bearing and fan Rotate indoor fan by hand Check the power P.C.B. Rating voltage Check input Voltage of Fan Motor connector at power P .C.B under 90% The circuit for triac control Rating Voltage more than 90%...
  • Page 35 Outdoor Fan Do Not Run Rating voltage Check the voltage between Check the of outdoor unit terminal block under 90% connecting wire Check the wiring Rating voltage Check the voltage between and voltage of indoor unit terminal block under 90% within doors Rating voltage Check the...
  • Page 36 Only Compressor Do not Run - Check the following at cooling mode Check the connecting Rating voltage Check the voltage between wire between indoor of indoor unit terminal block less than 90% and outdoor. Rating voltage more than 90% Check the control P .C.B Rating voltage Check the voltage between the circuit for relay...
  • Page 37 REMOTE CONTROLLER ASSMBLY FUNCTIONAL TEST METHOD TEST START Power supply again Power Supply Is Display at the beginning ON? Select ON/OFF button Check the Following BATTERY SPRING Is Display at the MICOM beginning ON? Select Mode button Is it normal? ERROR Select FAN SPEED button Is it normal?

  • Page 38: Exploded Diagram

    8. EXPLODED DIAGRAM INDOOR UNIT...
  • Page 39 In this Service 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 Center(http://svc.dwe.co.kr) Part Code Quantity Part Name Remarks DPA-380R DPA-380RH DPA-380R DPA-380RH BASE COVER ASSY 310P20107B 310P20107B SIDE PANEL (L) ASSY 310P30555C 310P30555C including INSU.
  • Page 40 Part Code Quantity Part Name Remarks DPA-380R DPA-380RH DPA-380R DPA-380RH BKT SWING MOTOR ASSY 3110003500 3110003500 including INSU. SWING MOTOR ASSY 3966031000 3966031000 310P30377A 310P30377A BUSHING BLADE 3100700100 3100700100 VERTICAL CONN.BAR 310P30636A 310P30636A VERTICAL BLADE 310P30376A 310P30376A BRACKET GRILLE ASSY...
  • Page 41 OUTDOOR UNIT...
  • Page 42 In this Service 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 Center(http://svc.dwe.co.kr) Part Code Quantity Part Name Remarks DPA-380R DPA-380RH DPA-380R DPA-380RH BASE PANEL ASSY 3110003700 3110003700 BKT SVC V/V ASSY 3110003800 3110003800 COMP. UNIT ASSY...
  • 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

    : 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 Center (http://svc.dwe.co.kr). DAEWOO ELECTRONICS CO., LTD. OVERSEAS SERVICE DEFT.

This manual is also suitable for:

Dpa-380rhDpb-500rDpb-500rh

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