Daewoo DSB-090L, DSB-120L, DSB-A-100L Schematic

0 (0)

Service Manual

Split System Air

Conditioner

Model: DSB-090L/DSB-120L

DSA-100L/DSA-120L

DAEWOO ELECTRONICSCO.,LTD.

Contents

CONTENTS

1.

Specifications ................................................................................................

2

2.

Outline and Dimensions .................................................................................

4

3.

Operation .....................................................................................................

6

4.

Wiring Diagram..........................................................................................

18

5.

Refrigerant Cycle .........................................................................................

21

6.

Control Block Diagram.................................................................................

22

7.

Electric Circuit Diagram................................................................................

23

8.

Trouble Shooting..........................................................................................

25

9.

Key Components of Electronic Circuit ............................................................

47

10.

Disassembly Instructions ...............................................................................

50

 

1)

Indoor Unit..............................................................................................

50

 

2)

Outdoor Unit...........................................................................................

51

 

3)

Exploded Diagram (Indoor Unit) ...............................................................

52

 

4)

Exploded Diagram (Outdoor Unit) ............................................................

55

 

5)

Control Box Assembly..............................................................................

60

1. SPECIFICATIONS

¡ DSB-090L

 

 

 

 

 

 

MODEL

 

DSB-090L

ITEM

 

 

 

 

 

 

 

Function

 

 

 

Cooling

Class

 

 

 

T

Power

 

 

AC 220-240V / 50Hz

Capacity

 

W

 

2,770

 

 

Btu/h

 

9,500

Dehumidification

 

l/h

 

2.1

 

Running Current

A

 

4.5A

Electrical

Power Input

W

 

950W

Data

 

 

 

 

 

 

Starting Current

A

 

24A

 

Type

 

 

Rotary

Compressor

Model

 

RCB 090A001

 

Capacitor

 

25µF/400VAC

 

Division

 

Indoor Unit

Outdoor Unit

Fan

Type

 

Cross flow fan

Propeller fan

 

 

 

 

 

Capacitor

 

1.0µ F 400VAC

1.8µF 400VAC

 

Motor Model Number

IC-8428DWKG7A

IC-9630DWLC5A

Refrigerant

Control

 

 

Capillary

 

 

 

 

(R-22)

Charge Q'ty

g

 

1,170

 

 

Connection

Type

 

 

Flare

 

 

 

 

 

OD (Liquid/Suction)

in(mm)

1/4 (6.35)

1/2 (12.7)

Dimensions (W x H x D)

mm

925 x 285 x 194

666 x 552 x 264

Net Weight

 

kg

9.7

34

 

 

 

2

 

¡ DSB-120L

 

 

 

 

 

 

MODEL

 

DSB-120L

ITEM

 

 

 

 

 

 

 

Function

 

 

 

Cooling

Class

 

 

 

T

Power

 

 

AC 220-240V / 50Hz

Capacity

 

W

 

3,507

 

 

Btu/h

 

12,000

Dehumidification

 

l/h

 

2.1

 

Running Current

A

 

5.7A

Electrical

Power Input

W

 

1,250A

Data

 

 

 

 

 

 

Starting Current

A

 

34A

 

Type

 

 

Rotary

Compressor

Model

 

RCB 120A001

 

Capacitor

 

25µF / 400VAC

 

Division

 

Indoor Unit

Outdoor Unit

Fan

Type

 

Cross flow fan

Propeller fan

 

 

 

 

 

Capacitor

 

1.0µ F 400VAC

3.5µF 400VAC

 

Motor Model Number

IC-8428DWKG7A

IC-9430DWLC5A

Refrigerant

Control

 

 

Capillary

 

 

 

 

(R-22)

Charge Q'ty

g

 

1,300

 

 

Connection

Type

 

 

Flare

 

 

 

 

 

OD (Liquid/Suction)

in(mm)

1/4 (6.35)

1/2 (12.7)

Dimensions (W x H x D)

mm

925 x 285 x 194

666 x 552 x 264

Net Weight

 

kg

9.7

34

 

 

 

3

 

¡ DSA-100L

 

 

 

 

 

 

MODEL

 

DSA-100L

ITEM

 

 

 

 

 

 

 

Function

 

 

 

Cooling

Class

 

 

 

T

Power

 

 

AC 208-230V / 60Hz

Capacity

 

W

 

2,923

 

 

Btu/h

 

10,000

Dehumidification

 

l/h

 

2.1

 

Running Current

A

 

5.1A

Electrical

Power Input

W

 

1,115W

Data

 

 

 

 

 

 

Starting Current

A

 

27A

 

Type

 

 

Rotary

Compressor

Model

 

RCA 100A001

 

Capacitor

 

25µF/400VAC

 

Division

 

Indoor Unit

Outdoor Unit

Fan

Type

 

Cross flow fan

Propeller fan

 

 

 

 

 

Capacitor

 

1.0µ F 400VAC

1.8µF 400VAC

 

Motor Model Number

IC-8428DWKG7A

IC-9630DWLA6A

Refrigerant

Control

 

 

Capillary

 

 

 

 

(R-22)

Charge Q'ty

g

 

1,150

 

 

Connection

Type

 

 

Flare

 

 

 

 

 

OD (Liquid/Suction)

in(mm)

1/4 (6.35)

1/2 (12.7)

Dimensions (W x H x D)

mm

925 x 285 x 194

666 x 552 x 264

Net Weight

 

kg

9.7

34

 

 

 

4

 

¡ DSA-120L

 

 

 

 

 

 

MODEL

 

DSA-120L

ITEM

 

 

 

 

 

 

 

Function

 

 

 

Cooling

Class

 

 

 

T

Power

 

 

AC 208-230V / 60Hz

Capacity

 

W

 

3,507

 

 

Btu/h

 

12,000

Dehumidification

 

l/h

 

2.1

 

Running Current

A

 

5.7A

Electrical

Power Input

W

 

1,250W

Data

 

 

 

 

 

 

Starting Current

A

 

34A

 

Type

 

 

Rotary

Compressor

Model

 

RCA 120A001

 

Capacitor

 

30µF / 400VAC

 

Division

 

Indoor Unit

Outdoor Unit

Fan

Type

 

Cross flow fan

Propeller fan

 

 

 

 

 

Capacitor

 

1.0µ F 400VAC

2.0µF 400VAC

 

Motor Model Number

IC-8428DWKG7A

IC-9630DWLA6A

Refrigerant

Control

 

 

Capillary

 

 

 

 

(R-22)

Charge Q'ty

g

 

1,200

 

 

Connection

Type

 

 

Flare

 

 

 

 

 

OD (Liquid/Suction)

in(mm)

1/4 (6.35)

1/2 (12.7)

Dimensions (W x H x D)

mm

925 x 285 x 194

666 x 552 x 264

Net Weight

 

kg

9.7

34

 

 

 

5

 

Daewoo DSB-090L, DSB-120L, DSB-A-100L Schematic

2. OUTLINE AND DIMENSIONS

1INDOOR UNIT

¡DSB-090L/DSB-120L/DSA-100L/DSA-120L

L - Filter

 

 

 

925

 

 

 

Connecting Pipe

R - Filter

 

 

 

194

Insert Grille

Grille Frame

Mounting Plate Body

 

285

 

REMOCON

 

 

 

Plate Mounting

406

6

2OUTDOOR UNIT

¡DSB-090L/DSB-120L/DSA-100L/DSA-12OL

Inlet

Cushion Foot

666

Valve Service

Outlet

AIR

Inlet

Front Cabinet

 

 

Foot

264

334

Handle

552

572 CabinetSide

Top Panel Back Cabinet

7

3. OPERATION

1PARTS OF NAME AND FUNCTION

¡DSB-090L/DSB-120L/DSA-100L/DSA-120L

Indoor Unit

Electrostatic Filter

 

 

 

 

Air Inlet

 

 

Deodorizing Filter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(option)

 

 

 

 

 

 

 

 

 

 

 

 

(option)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Antibacterial

 

Air Outlet

Fan Direction

 

Filter

 

 

(Up, Down)

TEMP .

ON/OFF

AIR

REMOTE-

CONDITIONER

CONTROLLER

Power Plug

 

Remote

 

Controller

 

 

 

 

Receiver

Remote Controller

Lamp

 

8

¡ DSB-090L/DSB-120L/DSA-100L/DSA-120L

Indoor Unit Display

Remote Control Signal Receiver

This place is the part to receive the signal if it receive the signal, you can hear the signal "beep, beep".

ON AIR CLEAN FAN DELAY TIMER

 

 

 

 

 

 

 

 

ON (Red)

 

 

 

 

Timer (Green)

Lights when the

 

 

 

 

Lights during the time

operation is

 

 

 

 

reservation mode.

going on.

 

 

 

 

 

 

Air clean (Green)

 

 

 

 

 

 

 

FAN DELAY (Green)

 

 

 

 

 

 

 

 

 

 

Lights during the time

 

 

 

 

 

 

Fan delay mode

 

 

 

 

 

 

 

 

Switch Panel

EMERGENCY REMOTE

§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 controller is lost or testing.

Remote switch is usally used by Remote

Controller.

9

¡ DSB-090L/DSB-120L/DSA-100L/DSA-120L

Outdoor Unit

Air Inlet (side Back)

AIR

Air Outlet

Connection

Wire

Drain Hose

Connecting

Pipe

NOTE:

How to remove Top Panel

1.Loosen the screw at left and right side.

2.Push the three parts op Front and Back sides like figure orderly.

3.Unhook the locking parts of Top Panel.

The front locking parts

The back locking parts

FRONT SIDE

BACK SIDE

10

2REMOTE CONTROLLER

¡DSB-090L/DSB-120L/DSA-100L/DSA-120L

Name of Each Button

A

TEMP.

SLEEP

TIMER

HOUR

ON OFF

AUTO

 

NATURAL

 

L

M H

 

TEMP.

Display

Displays information pertaining to the unit.

The option is LEFT/RIGHT direction.

Temperature Buttons

Press to raise or lower the desired temperature.

FAN DIR. Button

Press to select the fan direction.

FAN SPEED Button

Press to select the fan speed (Auto, L, M, H or Natural).

TIMER ON Button

Press to set the on time.

TIMER OFF Button

Press to set the off time.

Cover

Slide down to access most of the remote buttons. Slide down further to access the battery compartment.

ON/OFF

FAN DIR.

MODE

FAN SPEED

SLEEP

TIMER

RESET

ON OFF

ENTER CANCEL

ON/OFF Button

Press to turn the unit on or off.

MODE Button

Press to cycle through the modes (Auto/Cool/Fan/Dehumidifier).

SLEEP Button

Press to set the unit for the sleep mode.

RESET Button

Press to reset settings to their default positions.

CANCEL Button

Press to cancel Timer settings.

ENTER Button

Press to enter a Timer setting.

AIR CONDITIONER REMOTE CONTROLLER

11

3REMOTE CONTROLLER DISPLAY

¡DSB-090L/DSB-120L/DSA-100L/DSA-120L

TRANSMITTER Icon

Lights to indicate

a signal is being sent.

MODE Indicators (Auto/Cool/Fan/Dehumidifier)

Lights to indicate the mode selected.

A

TEMP. Indicator

Lights to indicate the temperature is being set.

SLEEP Indicator

Lights to indicate the unit is in sleep mode.

NATURAL Indicator

Lights to indicate the temperature is being set.

FAN Indicators

Lights to indicate the fan speed.

TEMP.

SLEEP

TIMER

HOUR

ON OFF

AUTO

NATURAL

L M H

Temperature

Indicator

Lights to indicate the temperature

TIMER Indicators

Lights to indicate the timer function modes.

FAN DIRECTION

Indicators

Lights to indicate the fan direction.

The option LEFT/RIGHT dirction

Replacing Batteries

 

 

 

 

 

 

1

Open the cover after

2

Put the drycell by §]§^

3

Close the cover after

pressing the arrow

direction.

pushing into arrow

direction and pulling out.

 

direction.

TEMP .

ON/OFF

TEMP .

ON/OFF

12

4 DESCRIPTION OF FUNCTIONS

OFF-Timer

If you set time in OFF-Timer Mode, the unit will stop at the set time.

Unit ON

ON

Unit OFF

OFF

SET Time

HOUR

ON-Timer

If you set time in ON-Timer Mode, the unit will run at the set time.

Unit ON

 

ON

 

Unit OFF

 

OFF

 

SET Time

HOUR

Control of Room Temperature

(1)Range of setting temperature: 18~32°C

(2)Setting temperature: Operating temperature of compressor

COMP (ON)

COMP (OFF)

-1˚C Desired temperature

Temperature

(COOLING)

Buzzer

¡ Room temperatrue

( < setting temperature Compressor OFF

Room temperature

( > setting temperafure Compressor ON

If the Indoor Unit Display receive the signal of Remote Controller, you can hear the signal "beep –" or "beep, beep".

(1)In the case of receiving ON/OFF signal-"beep""beep"

(2)And so on-"beep"

13

FanSpeed (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.

 

FAN ONLY

COOL

DEHUMI-

AUTO

AUTO II

 

DIFICATION

 

 

 

 

 

Super high

X

X

X

X

Super high

H

H

H

X

H

X

M

M

M

X

M

X

L

L

L

X

L

X

Auto

X

Auto

Auto

Auto

X

Natural

Natural

Natural

X

Natural

X

 

 

 

 

 

 

(4) Automatic Operation

If the unit is set in 'AUTO' mode, the unit operates automatically according to the room temperature to keep the room temperature comfortable.

(COOLING)

 

 

 

 

 

 

 

 

 

 

 

 

H

 

 

 

 

 

 

 

M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

R.T=Room temperafure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D.T=Desired temperafure

 

 

 

 

 

 

 

 

 

 

 

 

 

0 +1°C +2°C +3°C

(R.T-D.T)

 

 

(D.T)

 

 

 

Sleep Mode

(1)When you are going to sleep, select sleep switch and the unit controls the room to the desired temperature. (The unit will not operate after 4 hour)

(2)For changing the temperature.

Difference

desired temperature between room temperature (°C)

 

 

 

0.5°C

 

 

0.5°C

 

Desired

0.5°C

 

 

 

 

 

Temperature

 

 

 

0

0.5

1.0

HOUR

SET TIME

 

 

14

Emergency Operation

(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: AUTO

Preset temperature: 26°C

Discharge Air Direction: SWING (up and down)

Fan speed: AUTO

¡You cannot operate with remote controller.

FrostPrevention 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 to protect the unit from the frost. The control procedure for indoor coil freeze protection.

1)The compressor and outdoor fan turn off.

2)Indoor fan operates according to user set speed.

3)The normal operation returns when the indoor coil temperature is higher than 7°C or equal to 7°C.

ON

Compressor and

OFF

Outdoor Fan

Set Speed

OFF

Indoor Fan

0°C 7°C

(Indoor coil temperature)

3min. 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.

Indoor Fan Motor Starting

When indoor fan motor is on, it always starts at normal speed and then it operates desired speed.

15

AutoMode I

(1) When the room temperature is higher than 28 ºC (Cooling Mode) !Compressor and lndoor Fan

 

 

 

 

 

ON

 

OFF

 

 

 

 

 

°

(Room temperature-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-1

0

1

C

Desired temperature)

 

@ The fan will automatically operate as following Figure

 

 

 

 

 

 

 

 

 

 

H

 

 

 

 

M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

 

°C

(Room temerature-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Desired temperature)

0

+1

+2

+3

 

 

 

 

 

 

 

 

 

Dehumidification Mode

!Desired temperature < Room temperature Outdoor Fan, Compressor : ON

Indoor Fan : Low speed

@Desired temperature ¡ˆRoom temperature Compressor : 3 min/ON, 5 min/OFF

Indoor Fan : 3 min 30 second/ON, 4 min 30 second/OFF Fan Speed : Ultra low speed

#Room temperature ¡´18°C Compressor : OFF

Indoor Fan : 1 min/ON, 7 min/OFF

AirDischarge Direction(only remocon operation)

The air discharge direction procedure is below.

Fixed Up/Down Fixed

Up/Down Fixed Left/Right

16

AutoMode II(Powerful Cooling)

!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 Fixed

Up/Down Fixed Left/Right

ƒRThe option is LEFT/RIGHT direction.

ON

OFF

(Room temperature-18˚C)

-1 0 1

Self-Diagnostic Function

The control will contain diagnostic test to verify the integrity of the system.

(1)Error Code Display Pattern

!ON LAMP: ON (Red) LED ON/OFF @ Error Code

ERROR CODE

 

 

 

 

 

 

 

 

 

DIDSPLAY PATTEN

ERROR CONTENTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8 seconds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

0.5 second

 

 

 

 

 

 

Romm air thermistor, connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8 seconds

 

2

0.5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indoor coil thermistor, connector

 

 

 

 

 

 

 

0.5 second

 

 

 

 

 

second

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8 seconds

Compressor, Electrical parts of

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.5

second

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

comp. Gas leak

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8 seconds

 

4

 

 

 

 

 

 

 

 

 

 

 

 

Motor, Conector, P.C.B.

 

 

 

 

 

 

 

 

 

0.5 second

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

4. WIRING DIAGRAM

¡ DSB-090L/DSB-120L/DSA-100L/DSA-120L

 

 

 

C

 

 

 

R

YELLOW/GREEN

BLU

BLK

BRN

DOMESTIC

 

 

 

CORDPOWER

BLU

YEL/GRN

BRN

1 ORG 2 GRY 3 YEL

 

HOLE SENSOR

 

èXée MOTORFAN

R

C

3 2 1

 

 

S

 

MOTOR FAN CAPACITOR

 

 

2 1

SWING MOTOR

 

 

1

 

 

4 3 2

 

 

 

5

R

COMPRESSOR

S

H

MOTOR FAN

 

RED

YEL

 

 

HERM

FAN

CAPACITOR

 

BRN

 

C

 

 

 

 

BRN

 

 

 

L

 

YELLOW/GREEN

Y

BLOCK

OUTDOOR TERMINAL

BROWN

 

BLU

 

 

L

 

 

Y

BLOCK

INDOOR TERMINAL

BRN

 

YEL/GRN

BLU

 

 

 

 

BLU

 

 

 

3

2

1

1

 

 

 

 

 

COMP

 

 

 

 

 

 

BLK

1

 

 

 

 

 

 

 

 

 

BLK

2

 

 

 

 

 

 

 

 

 

LED

1

 

 

 

 

LED

2

BLU

 

 

 

 

 

ORG

 

 

 

 

 

RED

 

 

 

BLU

1

 

 

 

 

RED

2

BLK

 

 

 

GRN

3

 

 

 

YEL

4

 

 

 

 

5

YEL

 

 

 

GRY

 

 

 

6

 

 

 

BRN

 

 

 

 

7

 

 

 

 

BLK

 

 

 

 

 

RED

 

 

 

 

 

PINK

 

 

 

BLK

1

BLU

 

 

 

 

 

 

BLK

2

ORG

 

 

 

 

 

 

BLK

4 3

YEL

 

 

 

 

 

 

 

BLK

 

 

 

 

 

YEL

1

 

 

 

 

RED

2

 

 

 

 

BLU

3

UNIT OUTDOOR

POWER CORD

 

 

 

 

 

 

BRN

YEL/GRN

BLU

 

 

 

 

 

EXPORT

L

 

N

L1

 

Y

BRN

YEL/GRN

BLU

 

 

BLU

3

2

1

1

 

 

 

 

 

COMP.

 

 

 

 

 

RELAY

 

 

TRANS PCB

INDOOR

 

UNIT

PCB LED

SENSOR I/D

S/W SELECT

18

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