Daewoo DWA-180R Service Manual
Contents
CONTENTS
1. Specifications................................................................................................2
2. Operation.....................................................................................................3
3. Wiring Diagram..........................................................................................10
4. Refrigerant Cycle.........................................................................................11
5. Control Block Diagram.................................................................................12
6. Circuit Diagram..........................................................................................13
7. Trouble Shooting..........................................................................................16
8. Key Components of Electronic Circuit............................................................26
9. Disassembly Instructions ...............................................................................28
10. Exploded Diagram and Parts List...................................................................29
1. SPECIFICATIONS
MODEL
ITEM
Power Source V/Hz AC 220V/60Hz
Btu/h 17,500
Cooling Capacity
Kcal/h 4,410
Btu/wh 9.0
Energy Efficiency Ratio
Dehumidification L/h 2.0
Electrical Data
Compressor
Fan Motor
Kcal/wh 2.3
Power Input(W) 1,900
Running Current(A) 9.0
Type Rotary
Model QJ250KD24A
Capacitor AC 400V, 30µF
Model IC-12640DWWF6A
Capacitor AC 400V, 6µF
Indoor-Fan Blower Fan
DWA-180R
Outdoor-Fan Propeller Fan
Control Capillary
Refrigerant(R-22)
Charge Amount (g) 970g
Dimensions Unit (W x H x D) 660 x 430 x 705 (mm)
Packing (W x H x D) 711 x 525 x 757 (mm)
Weight Net Weight (Kg) 52.5
Gross Weight (kg) 57.5
2
2. OPERATION
PARTS OF NAME AND FUNCTION
1
3
1
2
NO PART NAME
1 AIR FILTER
2 GRILLE FRONT
3 CABINET
4 BLADE VERTICAL
7
4
8
5
6
NO PART NAME
5 PANEL CONTROL
6 REMOTE CONTROLLER
7 BLADE HORIZONTAL
8 AIR VENT
3
2
TIMER/
CANCEL
FAN SPEED
TEMP
SLEEP
MODE
AUTO
SWING
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)
FAN SPEED
• Everytime you push this button,
it is selected as follow.
(High→Mid→Low→High)
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.
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.
✽ Do not use the REMOTE CONTROLLER before the lamp lights. If use, the “°F ” temperature display can
change to “°C ” temperature display (only “°F” temperature display model).
4
REMOTE CONTROLLER DISPLAY
Room Air-conditioner
FAN
TURBO
COOLING
ROOM TEMP
TEMP
DESIRED TEMP
TIMER
SENSOR
MODE POWER
FAN
SPEED
AUTO
SWING
88
3
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)
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.
MODE SELECT BUTTON
• Everytime you push this button, It is selected as
follow. (COOLING→TURBO→FAN→COOLING)
POWER ON/OFF BUTTON
• To turn the unit ON, push this button.
To turn the unit OFF, push this button
again.
5
Replacing Batteries
– +
– +
Remove the COVER from
the back of the remote
1 2 3
controller.
• Slide the cover
according to the arrow
direction
• 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.
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
6
DESCRIPTION OF FUNCTIONS
Unit ON
Unit OFF
SET Time
HOUR
ON
OFF
Unit ON
Unit OFF
SET Time
HOUR
ON
OFF
COMP (ON)
(COOLING)
Desired temperature
COMP (OFF)
-1˚C
Temperature
4
OFF-Timer
If you set time in OFF-Timer Mode, the unit will stop at the set time.
ON-Timer
If you set time in ON-Timer Mode, the unit will run at the set time.
Control of Room Temperature
(1) Range of setting temperature: 16~32°C
(2) Setting temperature: Operating temperature of compressor
Room temperatrue
*
< setting temperature
(
Compressor OFF
Room temperature
> setting temperafure
(
Compressor ON
Buzzer
If the Unit Display receive the signal of Remote Controller , y ou can hear the signal "beep –" or "beep , beep".
7
0 0.5 1.0 HOUR
SET TIME
Desired
Difference
desired temperature
between room
temperature (°C)
0.5°C
0.5°C
0.5°C
Temperature
Fan Speed
2hr 2hr 2hr 2hr 2hr
Desired
+1˚C
Temperature
+1˚C
SET ON
SET OFF
(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
MMM -
L LL-
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)
1°C
1
1°C
1°C
1
1
• The unit will not operate after 4 hour .
• Mode II (L2)
• 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 .
8
Auto Swing
-1
OFF
ON
(Room temperature-18˚C)
01
(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
Turbo Mode(Powerful Cooling)
(1) Cooling Condition
1 Fan Speed: High speed
2 Set temperature:16˚C(Fixed)
3 Compressor and Fan
Self-Diagnostic Function
The control will contain diagnostic test to verify the integrity of the system.
(1)Error Code Display
ERROR CODE
1 Room air thermistor short or open.
88 LED DISPLAY ERROR CONTENTS
9
3. WIRING DIAGRAM
1
2
1
2
CN3 CN4
I/D
SENSER
SWING
MOTOR
FAN
MOTOR
COMP
M
1
2
3
4
5
6
7
8
M
A
I
N
P
C
B
L
E
D
P
C
B
1
2
3
4
5
6
7
8
9
10
1
2
3
4
BLK
BRN
RED
ORG
YEL
GRN
BLU
VOL
BLK
BRN
RED
ORG
YEL
GRN
BLU
VOL
GRY
WHT
BLK
RED
GRY
YEL
BRN
ORG
ORG
ORG
WHT
RED
WHT
HF
C
GRN(GRN/YEL)
3103528810
GRN(GRN/YEL)
BLK(BLU)
WHT(BRN)
C
R
S
BLU
BLU
CN5
RL1
POWER
TRANS FORMER
CAPACITOR
CAPACITOR
1 2
1
1 2
3
4
CN1
CN6 CN7
10
4. REFRIGERANT CYCLE
Evaporator
Capillary tube
Blower fan
Condenser
Propeller fan
Accumulator
Compressor
M MOTOR
11
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