DAEWOO DWA-122R, DWB-122R, DWA-121R, DWB-123R, DWA-151R Service Manual

Service Manual

Window Type Room Air Conditioner

Model: DWC-121R / (DWC-124R)

DWA-122R / (DWA-124R) DWB-122R / (DWB-124R) DWA-121R / DWB-121R DWB-123R / DWA-150R DWA-151R / (DWA-152R)

DAEW OO ELECTR ONICS CO., LTD.

S/M No. : DWC121R040

✔

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 Price List) in Service Information Center (http://svc.dwe.co.kr).

CONTENTS

1. Specifications................................................................................................2

2. Operation.....................................................................................................3

3. Wiring Diagram..........................................................................................12

4. Refrigerant Cycle.........................................................................................13

5. Control Block Diagram.................................................................................14

6. Circuit Diagram..........................................................................................15

7. Trouble Shooting..........................................................................................18

8. Key Components of Electronic Circuit............................................................28

9. Disassembly Instructions ...............................................................................30

10. Exploded Diagram and Parts List...................................................................33

Contents

1. SPECIFIC A TIONS

ITEM

MODEL

Function Power source AC 115V, 60Hz

Cooling Capacity

Btu/h 12,100 12,000 12,000 11,700 12,000 11,500 14,018 14,000 Kcal/h 3,050 3,024 3,024 2,950 3,024 2,898 3,533 3,528

Btu/wh 10.1 10.2 10.1 9.9 10.0 10.0 9.4 9.8 Kcal/wh 2.55 2.57 2.55 2.49 2.52 2.52 2.38 2.47

Dehumidification

Pts/h 3.40 3.61 3.14 3.30 2.66 2.71 4.04 3.93 g/h 1,545 1,640 1,427 1,500 1,209 1,836 1,786 1,232

Electrical Data

Power Input (W)

1,200 1,175 1,184 1,180 1,150 1,150 1,487 1,420

Running Current (A)

11.5 5.5 5.5 5.2 5.4 5.4 6.7 6.5

Type Rotary

Compressor Model QK164CN12 QK164KN12 RBA115A001 QK196PN13A RBB110A011 RBF110A011 QJ196KC23B RCA135A001

Capacitor 40µF/370VAC Model

Motor

Capacitor 12µF/370VAC Indoor-Fan Blower-Fan Outdoor-Fan Propeller-Fan

Refrigerant(R-22)

Control Capillary Charge Q’ty (g) 680 740 790 730 690 760 790 780

Dimensions

Unit(W x H x D) Packing(W x H x D)

Weight

Net Weight 88 lbs (38.8Kg) Gross Weight 89 lbs (40.3 Kg)

30µF/400VAC

A2925CA070/OBM-2501P2

5µF/400VAC

25µF/370VAC

AM12DWD11-1/OBM-2503U1

4µF/370VAC

90.2 lbs (39.8Kg)

97.5 lbs (43Kg)

92 lbs (42Kg)

96 lbs (43.5Kg)

Energy Efficiency Ratio

AC 208~230V, 60Hz

AC 220~240V, 50Hz

Cooling only

AC 220~230V, 50Hz

AC 240V, 50Hz

25µF/370VAC

AM12DWD12-1/OBM-2502U1

5µF/370VAC

AM12DWD10-1/

OBM-2501K

88 lbs (38.8Kg)

89 lbs (40.3 Kg)

23.6(W) x 14.9(H) x 21.0(D) inch (600(W ) x 380(H) x 535(D) mm)

26.1(W) x 18.1(H) x 22.6(D) inch (663(W ) x 460(H) x 573(D) mm)

AC 208~230V, 60Hz

DWC-121R

(DWC-124R)

DWA-121R

DWA-122R

(DWA-124R)

DWB-121R

DWB-122R

(DWB-124R)

DWB-123R DWA-150R

DWA-151R

(DWA-152R)

• DWA-124R, DWB-124R, DWC-124R, DWA-152R; Except detachable Double Grille Front, the general spec of this model is same to one of the old models.

PARTS OF NAME AND FUNCTION

2. OPERA TION

● DW*-121R/DW*-122R/DWB-123R/DW A-150R/DWA-151R (NOTE:* ➔ A or B or C)

NO PART NAME

1 AIR FILTER 2 GRILLE FRONT 3 CABINET 4 BLADE VERTICAL 5 PANEL CONTROL 6 REMOTE CONTROLLER

NO PART NAME

7 BLADE HORIZENTAL 8 AIR VENT

9 FRAME GUIDE TOP 10 FRAME WINDOW KIT 11 SHUTTER WINDOW

0 7 q

4 8

A ir

-co n di

tio n

Roo

Air-co

n di

tio

ne r

NO PART NAME

1 AIR FILTER 2 GRILLE 3 CABINET 4 BLADE VERTICAL 5 PANEL CONTROL 6 REMOTE CONTROLLER

NO PART NAME

7 BLADE HORIZENTAL 8 AIR VENT

9 FRAME GRILLE 10 FRAME GUIDE TOP 11 FRAME WINDOW KIT 12 SHUTTER WINDOW

● DW*-124R/DW A-152R (NOTE:* ➔ A or B or C)

R o o

m A

i r

o n d

i t i o

n e r

4 w 8

R o o

m A

i r

o n d

i t i o

n e r

REMOTE CONTROLLER

REMOCON SIGNAL TRANSMITTER

TIMER/CANCEL

• Everytime you push this button, timer is set as follow. (1Hr→2Hr→3Hr→4Hr→5Hr→6Hr→8 Hr→10Hr→12Hr→16Hr→20Hr→24Hr →CANCEL). After the unit is timed, if this button is pushed, timer is canceled.

SLEEP

• SLEEP mode is selected as follow. (L1→L2→Cancel)

MODE

• Everytime you push this button, it is selected as follow. (COOLING→TURBO→FAN→ COOLING)

AUTO SWING

• Everytime you push this button,

the auto swing mode is toggled.

TEMPERATURE

• It is the button to set the room in the desired room temp. The temp can be set within a range from 16°C (60°F) to 32°C (90°F) by 1°C (1°F)

POWER ON/OFF

• To turn the unit ON, push this

button. To turn the unit OFF, push this button, again.

FAN SPEED

• Everytime you push this button,

it is selected as follow. (High→Mid→Low→High)

TIMER/

CANCEL

FAN SPEED

TEMP

SLEEP

MODE

AUTO

SWING

REMOTE CONTROLLER DISPLAY

Room Air-conditioner

FAN TURBO COOLING

ROOM TEMP

TEMP

DESIRED TEMP TIMER

SENSOR

MODE POWER

FAN

SPEED

AUTO

SWING

TEMP./TIMER DISPLAY

• It displays the temperature and the timer.

MODE DISPLAY

• It displays the operating mode.

REMOCON SIGNAL RECEIVER

TEMPERATURE SET BUTTON

• It is the button to set the desired room temperature. The temperature can be set within a range from 16°C (60°F) to 32°C (90°F) by 1°C (1°F)

POWER ON/OFF BUTTON

• To turn the unit ON, push this button. To turn the unit OFF, push this button again.

MODE SELECT BUTTON

• Everytime you push this button, It is selected as follow. (COOLING→TURBO→FAN→COOLING)

FAN SPEED BUTTON

• Everytime you push this button, It is selected as follow. (High→Mid→Low→High)

AUTO SWING BUTTON

• Everytime you push this button, the auto swing mode is toggled.

● SELECT ONE ALTERNATIVE PAGE 6 or PAGE 7

MODE FAN SPEED AUTO SWING

POWER

Room Air-conditioner

Fan Turbo

Cooling

Room temp Desired temp

Timer

TEMP

SENSOR

TEMP./TIMER DISPLAY

• It displays the temperature and the timer.

MODE DISPLAY

• It displays the operating mode.

REMOTE SIGNAL RECEIVER

TEMPERATURE SET

• It is the button to set the desired room temperature. The temperature can be set within a range from 16°C (60°F) to 32°C (90°F) by 1°C (1°F)

POWER ON/OFF SWITCH

• To turn the unit ON, push this button. To turn the unit OFF, push this button again.

MODE SELECT

• Everytime you push this button, It is selected as follow. (Cooling→Turbo→Fan→Cooling)

FAN SPEED

• Everytime you push this button, It is selected as follow. (High→Mid→Low→High)

AUTO SWING

• Everytime you push this button, the auto swing mode is toggled.

Replacing Batteries

Remove the COVER from the back of the remote controller.

• Slide the cover according to the arrow direction

Insert two battaries.

• Be sure that the (+) and (–) directions are correct

• Be sure that both batteries are new

Re-attach the cover.

• Slide it back into position

• Do not use rechargeable batteries such batteries differ from standard dry cells in shape,

dimensions and performance.

• Remove the batteries from the remote controller if the air conditioner is not going to be used for an extended length of time.

1 2 3

– +

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

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

OFF-Timer

DESCRIPTION OF FUNCTIONS

Unit ON

Unit OFF

SET Time

HOUR

OFF

ON-Timer

Unit ON

Unit OFF

SET Time

HOUR

OFF

Control of Room Temperature

Buzzer

COMP (ON)

(COOLING)

Desired temperature

COMP (OFF)

-1˚C

Temperature

Room temperatrue < setting temperature Compressor OFF

Room temperature > setting temperafure Compressor ON

( (

(1) When you are going to sleep , select sleep button in remocon and the unit controls the room to the desired

temperature. (The unit will not operate after 4 hour)

(2) F or changing the temperature.

• Mode I (L1)

• The unit will not operate after 4 hour.

• Mode II (L2)

• The unit will not operate perf ectly after 10 hour.

(3) To cancel sleep mode, press the SLEEP b utton again or press the MODE button once . :the SLEEP indicator will

disappear in the display.

In normal operation, there is a time delay of three minutes between turn off and turning back on including initial power up .

Sleep Mode

3min. Time Delay of Compressor

0 0.5 1.0 HOUR

SET TIME

Desired

Difference desired temperature between room temperature (°C)

0.5°C

Temperature

Fan Speed

(1) Motor speed (high speed, normal speed, low speed). (2) Remote controller setting fan speed. (H, M, L) (3) Relation of operating mode between fan speed.

FAN ONLY COOL TURBO

H HHH M MM - L LL-

2hr 2hr 2hr 2hr 2hr

Desired

+1˚C

Temperature

+1˚C

SET ON

SET OFF

1°C

Auto Swing

(1) When you push this button, in remocon the left/right flap mov e to the position of keeping the room temper ature

comiortable.

(2) The air discharge direction procedure is below.

Auto swing Fixed

(1) Cooling Condition

1 Fan Speed: High speed 2 Set temperature:16˚C(Fixed) 3 Compressor and Fan

Turbo Mode(Powerful Cooling)

-1

OFF

(Room temperature-18˚C)

Self-Diagnostic Function

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

(1)Error Code Display

ERROR CODE

88 LED DISPLAY ERROR CONTENTS

1 Room air thermistor short or open.

3. WIRING DIA GRAM

(3103529000)

+ 28 hidden pages