S/M No. : DWC121R040
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)
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).
DAEWOO ELECTRONICS CO., LTD.
Contents
CONTENTS |
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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 |
1
1. SPECIFICATIONS
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MODEL |
DWC-121R |
DWA-121R |
DWA-122R |
DWB-121R |
DWB-122R |
DWB-123R |
DWA-150R |
DWA-151R |
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ITEM |
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(DWC-124R) |
(DWA-124R) |
(DWB-124R) |
(DWA-152R) |
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Function |
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Cooling only |
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Power source |
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AC 115V, 60Hz |
AC 208~230V, 60Hz |
AC 220~240V, 50Hz |
AC 220~230V, 50Hz |
AC 240V, 50Hz |
AC 208~230V, 60Hz |
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Cooling Capacity |
Btu/h |
12,100 |
12,000 |
12,000 |
11,700 |
12,000 |
11,500 |
14,018 |
14,000 |
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Kcal/h |
3,050 |
3,024 |
3,024 |
2,950 |
3,024 |
2,898 |
3,533 |
3,528 |
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Energy Efficiency |
Btu/wh |
10.1 |
10.2 |
10.1 |
9.9 |
10.0 |
10.0 |
9.4 |
9.8 |
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Ratio |
Kcal/wh |
2.55 |
2.57 |
2.55 |
2.49 |
2.52 |
2.52 |
2.38 |
2.47 |
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Dehumidification |
Pts/h |
3.40 |
3.61 |
3.14 |
3.30 |
2.66 |
2.71 |
4.04 |
3.93 |
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g/h |
1,545 |
1,640 |
1,427 |
1,500 |
1,209 |
1,836 |
1,786 |
1,232 |
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Power Input (W) |
1,200 |
1,175 |
1,184 |
1,180 |
1,150 |
1,150 |
1,487 |
1,420 |
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Electrical Data |
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Running Current (A) |
11.5 |
5.5 |
5.5 |
5.2 |
5.4 |
5.4 |
6.7 |
6.5 |
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Type |
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Rotary |
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Compressor |
Model |
QK164CN12 |
QK164KN12 |
RBA115A001 |
QK196PN13A |
RBB110A011 |
RBF110A011 |
QJ196KC23B |
RCA135A001 |
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Capacitor |
40µF/370VAC |
25µF/370VAC |
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30µF/400VAC |
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25µF/370VAC |
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Model |
AM12DWD10-1/ |
AM12DWD12-1/OBM-2502U1 |
A2925CA070/OBM-2501P2 |
AM12DWD11-1/OBM-2503U1 |
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OBM-2501K |
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Capacitor |
12µF/370VAC |
5µF/370VAC |
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5µF/400VAC |
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4µF/370VAC |
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Motor |
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Indoor-Fan |
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Blower-Fan |
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Outdoor-Fan |
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Propeller-Fan |
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Refrigerant(R-22) |
Control |
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Capillary |
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Charge Q’ty (g) |
680 |
740 |
790 |
730 |
690 |
760 |
790 |
780 |
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Dimensions |
Unit(W x H x D) |
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23.6(W) x 14.9(H) x 21.0(D) inch (600(W ) x 380(H) x 535(D) mm) |
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Packing(W x H x D) |
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26.1(W) x 18.1(H) x 22.6(D) inch (663(W ) x 460(H) x 573(D) mm) |
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Weight |
Net Weight |
88 lbs (38.8Kg) |
88 lbs (38.8Kg) |
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90.2 lbs (39.8Kg) |
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92 lbs (42Kg) |
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Gross Weight |
89 lbs (40.3 Kg) |
89 lbs (40.3 Kg) |
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97.5 lbs (43Kg) |
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96 lbs (43.5Kg) |
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•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.
2
2. OPERATION
1PARTS OF NAME AND FUNCTION
DW*-121R/DW*-122R/DWB-123R/DWA-150R/DWA-151R (NOTE:* A or B or C)
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3
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7 q
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8
2
1 5
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3
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7 |
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2 |
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8 |
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1 |
5 |
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NO |
PART NAME |
NO |
PART NAME |
1 |
AIR FILTER |
7 |
BLADE HORIZENTAL |
2 |
GRILLE FRONT |
8 |
AIR VENT |
3 |
CABINET |
9 |
FRAME GUIDE TOP |
4 |
BLADE VERTICAL |
10 |
FRAME WINDOW KIT |
5 |
PANEL CONTROL |
11 |
SHUTTER WINDOW |
6 |
REMOTE CONTROLLER |
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3
DW*-124R/DWA-152R (NOTE:* A or B or C)
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3 |
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q |
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2 |
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7 |
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w |
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8 |
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1 |
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9 |
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6 |
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9 |
NO |
PART NAME |
NO |
PART NAME |
1 |
AIR FILTER |
7 |
BLADE HORIZENTAL |
2 |
GRILLE |
8 |
AIR VENT |
3 |
CABINET |
9 |
FRAME GRILLE |
4 |
BLADE VERTICAL |
10 |
FRAME GUIDE TOP |
5 |
PANEL CONTROL |
11 |
FRAME WINDOW KIT |
6 |
REMOTE CONTROLLER |
12 |
SHUTTER WINDOW |
4
2 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.
TIMER/
CANCEL SLEEP
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AUTO |
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FAN SPEED |
SWING |
MODE |
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FAN SPEED
•Everytime you push this button, it is selected as follow.
(High→Mid→Low→High)
TEMP
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.
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.
5
3REMOTE CONTROLLER DISPLAY
●SELECT ONE ALTERNATIVE PAGE 6 or PAGE 7
MODE DISPLAY
• It displays the operating mode.
TEMP./TIMER DISPLAY
• It displays the temperature and the timer.
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)
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88 |
SENSOR |
Room Air-conditioner |
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FAN |
ROOM TEMP |
TURBO |
DESIRED TEMP |
COOLING |
TIMER |
MODE |
FAN |
AUTO |
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SPEED |
SWING |
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FAN SPEED BUTTON
•Everytime you push this button, It is selected as follow. (High→Mid→Low→High)
AUTO SWING BUTTON
TEMP
POWER
POWER ON/OFF BUTTON
•To turn the unit ON, push this button. To turn the unit OFF, push this button again.
• Everytime you push this button, the auto swing mode is toggled.
MODE SELECT BUTTON
•Everytime you push this button, It is selected as follow. (COOLING→TURBO→FAN→COOLING)
6
MODE DISPLAY
• It displays the operating mode.
TEMP./TIMER DISPLAY
• It displays the temperature and the timer.
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)
SENSOR
Room Air-conditioner
Fan |
Room temp |
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Turbo |
Desired temp |
TEMP |
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Cooling |
Timer |
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MODE FAN SPEED AUTO SWING POWER
FAN SPEED
•Everytime you push this button, It is selected as follow. (High→Mid→Low→High)
AUTO SWING
POWER ON/OFF SWITCH
•To turn the unit ON, push this button. To turn the unit OFF, push this button again.
• Everytime you push this button, the auto swing mode is toggled.
MODE SELECT
•Everytime you push this button, It is selected as follow. (Cooling→Turbo→Fan→Cooling)
7
Replacing Batteries
Remove the COVER from |
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Insert two battaries. |
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Re-attach the cover. |
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1 the back of the remote |
• Be sure that the (+) and |
• Slide it back into position |
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controller. |
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(–) directions are correct |
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• Slide the cover |
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• Be sure that both batteries |
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according to the arrow |
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are new |
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direction |
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– |
+ |
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– |
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•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.
8
4 DESCRIPTION OF FUNCTIONS
Unit ON
ON
Unit OFF
OFF
SET Time |
HOUR |
ON-Timer
Unit ON |
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ON |
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Unit OFF |
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OFF |
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SET Time |
HOUR |
Control of Room Temperature
(1)Range of setting temperature: 16~32°C
(2)Setting temperature: Operating temperature of compressor
COMP (ON)
COMP (OFF)
-1˚C Desired temperature |
Temperature |
(COOLING)
Room temperatrue * (< setting temperature
Compressor OFF
Room temperature (> setting temperafure
Compressor ON
If the Unit Display receive the signal of Remote Controller, you can hear the signal "beep –" or "beep, beep".
9
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.
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FAN ONLY |
COOL |
TURBO |
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H |
H |
H |
H |
M |
M |
M |
- |
L |
L |
L |
- |
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Sleep Mode
(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)For changing the temperature.
•Mode I (L1)
Difference
desired temperature between room temperature (° C)
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1°C0.5° C |
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1°C0.5° C |
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Desired |
1°C0.5° C |
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Temperature |
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0 |
0.5 |
1.0 |
HOUR |
SET TIME |
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•The unit will not operate after 4 hour.
•Mode II (L2)
Desired |
Temperature |
+1˚C |
+1˚C |
SET ON |
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SET OFF
2hr |
2hr |
2hr |
2hr |
2hr |
• The unit will not operate perfectly after 10 hour.
(3)To cancel sleep mode, press the SLEEP button again or press the MODE button once. : the SLEEP indicator will disappear in the display.
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.
10
Auto Swing
(1)When you push this button, in remocon the left/right flap move to the position of keeping the room temperature comiortable.
(2)The air discharge direction procedure is below.
Auto swing Fixed
Turbo Mode(Powerful Cooling)
(1) Cooling Condition
1Fan Speed: High speed
2Set temperature:16˚C(Fixed)
3Compressor and Fan
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
ERROR CODE |
88 LED DISPLAY |
ERROR CONTENTS |
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1 |
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Room air thermistor short or open. |
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11
3. WIRING DIAGRAM
(3103529000)
12