Daewoo DWB-240RH-R, DWB-246RH-R, DWB-186RH-R, DWB-180RH-R User Manual
Service Manual
Window Type
Room Air Conditioner
Model: DWB-180RH-R
DWB-186RH-R
DWB-240RH-R
DWB-246RH-R
DAEWOO ELECTRONICS CORP.
CONTENTS
1. Specifications................................................................................................2
2. Operation.....................................................................................................3
3. Wiring Diagram..........................................................................................18
4. Refrigerant Cycle.........................................................................................19
5. Control Block Diagram.................................................................................20
6. Circuit Diagram..........................................................................................21
7. Trouble Shooting Guide ...............................................................................24
8. Key Components of Electronic Circuit............................................................33
9. Disassembly Instructions ...............................................................................35
10. Exploded Diagram and Parts List...................................................................37
Contents
2
1. SPECIFICATIONS
ITEM
MODEL
DWB-180RH-R DWB-186RH-R DWB-240RH-R DWB-246RH-R
Power Source V/Ph/Hz AC 220-240V / 1 / 50Hz
Capacity
Btu/h 18,000 24,000
(Cooling & Heating)
Kcal/h 4,530 6,048
Dehumidification
l
/h 2.10
Power Cooling 2,240 2,750
Input(W) Heating 1,880 2,350
Running Cooling 10.40 13.10
Current(A) Heating 8.80 11.40
Type Recipro
Compressor
Model H2EB243ABKC H2EB283ABKC
Capacitor 35µF/400VAC 40µF/370VAC
Overload Protector Internal Type
Model AM12DWD08(D.M.I) A2945CA011(D.M.I)
Fan Motor
Capacitor 7.5µF/400VAC 7.5µF/400VAC
Indoor-Fan Blower Fan
Outdoor-Fan Propeller Fan
Control Capillary
Refrigerant (R-22) Capillary Tube ID ø1.4 x L800 x 2 ID ø 1.6 x L1000 x 2
Amount (g) 1,230 1,080
Dimensions (WxHxD)
Unit (mm) 660 x 430 x 705
Packing (mm) 711 x 525 x 757
Weight (Kg)
Net Weight 65 67
Gross Weight 69 71.5
Electrical
Data
Conditions by JIS C9812
3
1
PARTS OF NAME AND FUNCTION
• DWB-180RH-R/DWB-240RH-R
2. OPERATION
NO PART NAME
1 AIR FILTER
2 GRILL FRONT
3 CABINET
4 BLADE VERTICAL
NO PART NAME
5 PANEL CONTROL
6 REMOTE CONTROLLER
7 BLADE HORIZENTAL
8 AIR VENT
6
3
1
2
7
4
8
5
4
• DWB-186RH-R / DWB-246RH-R
6
5
3
4
8
2
7
1
9
NO PART NAME
1 AIR FILTER
2 INLET GRILLE
3 CABINET
4 BLADE VERTICAL
5 PANEL CONTROL
NO PART NAME
6 REMOTE CONTROLLER
7 BLADE HORIZENTAL
8 AIR VENT
9 GRILLE FRONT
5
2
REMOTE CONTROLLER
REMOCON SIGNAL TRANSMITTER
TIMER/CANCEL
• Everytime you push this button,
timer is set as follow.
(1Hr→2Hr→3Hr→4Hr→5Hr→6Hr
→8Hr→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→HEATING→
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.
(Low→High→Low)
TIMER/
CANCEL
FAN SPEED
TEMP
SLEEP
MODE
AUTO
SWING
6
3
REMOTE CONTROLLER DISPLAY
Room Air-conditioner
FAN
HEA TING
COOLING
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
• 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→HEATING→FAN→COOLING)
FAN SPEED
• Everytime you push this button, It is selected as
follow. (Low→High→Low)
AUTO SWING
• Everytime you push this button, the auto swing mode is toggled.
(When the fan stops in heating mode, the auto swing is also
stopped and restarts when the fan goes run.)
• DWB-180RH-R/DWB-240RH-R
CAUTION: When you turn off the unit with cooling mode, the Fan still work for about 10 seconds.
7
CAUTION: When you turn off the unit with cooling mode, the Fan still work for about 10 seconds.
• DWB-186RH-R / DWB-246RH-R
Room Air-conditioner
FAN
HEATING
COOLING TIMER
MODE
POWER
FAN
SPEED
AUTO
SWING
TEMP
SENSOR
TEMP./TIMER DISPLAY
• It displays the temperature and the timer.
MODE DISPLAY
• It displays the operating mode.
REMOCON
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→HEATING→FAN→COOLING)
FAN SPEED
• Everytime you push this button, It is selected as
follow. (Low→High→Low)
AUTO SWING
• Everytime you push this button, the auto swing mode is toggled.
(When the fan stops in heating mode, the auto swing is also stopped and restarts when the
fan goes run.)
Replacing Batteries
8
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
– +
– +
4
OPERATION INSTRUCTION
FUNCTION
POWER ON
Push POWER button
COOLING MODE
Push the ‘MODE’ button until
‘COOLING’ lamp lights.
HEATING MODE
Push the ‘MODE’ button until
‘HEATING’ lamp lights.
FAN Delay in heating mode
Change desired room temperature
Push the ‘TEMP▲▼’ button.
Change ‘FAN SPEED’
Push the ‘FAN SPEED’ button.
OPERATION
1. The unit starts working.
(It is delayed 30 seconds after main
power source is supplied.)
when running the unit again after
once having stopped it, please wait
for over 3 minutes.
2. Default mode is ‘COOLING’ mode.
3. Default desired room temperature is
‘26°C’ (79°F).
And fan speed is ‘Low’.
1. Operating modes are changed as
follows by pushing “MODE” button.
(COOLING→HEATING→FAN→
COOLING)
2. The compressor and fan work.
3. In this mode you can change fan
speed and desired temperature at any
time.
4. SLEEP mode and ON/OFF TIMER
can be selected.
(By remocon button only)
1. Operating modes are changed as
follows by pushing “MODE” button.
(COOLING→HEATING→FAN→
COOLING)
2. The compressor and fan work.
3. In this mode you can change fan
speed and desired temperature at any
time.
4. SLEEP mode and ON/OFF TIMER
can be selected.
(By remocon button only)
There are 10 seconds time delay of the
Fan Motor, when compressor is starts or
stops.
1. The desired room temperature is
changed within a range from 16°C
(60°F) to 32°C (90°F) by 1°C.
1. FAN SPEED is changed as follows by
pushing “FAN SPEED” button.
(LOW→HIGH→LOW)
DISPLAY
1. Current room temperature is
displayed.
2. ‘COOLING’ lamp lights.
1. Current room temperature is
displayed.
2. ‘COOLING’ lamp lights.
1. Current room temperature is
displayed.
2. ‘HEATING’ lamp lights.
no display
1. It display desired room temperature
when ‘TEMP’ button is pushed.
3. After a few seconds, display is
changed to current room
temperature.
1. It displays as follows.
2. After a few seconds, display is
changed to current room
temperature.
FAN
HEATING
COOLING
ROOM TEMP
DESIRED TEMP
TIMER
FAN
HEATING
COOLING
ROOM TEMP
DESIRED TEMP
TIMER
FAN
HEATING
COOLING
ROOM TEMP
DESIRED TEMP
TIMER
FAN
HEATING
COOLING
ROOM TEMP
DESIRED TEMP
TIMER
LOW
HIGH
POWER
MODE
TEMP
MODE
TEMP
FAN
SPEED
FAN SPEED
or
or
MODE
MODE
or
or
or
9
• DWB-180RH-R/DWB-240RH-R
10
FUNCTION
FAN MODE
Push the ‘MODE’ button until
‘FAN’ lamp lights.
ON/OFF AUTO SWING
Push the ‘AUTO SWING’ button.
OFF TIMER
Push the ‘TIMER/CANCEL’
button when unit is working.
(REMOCON ONLY)
OPERATION
1. The Fan works only.
2. In this mode, the unit circulate room
air.
3. Fan speed can be changed.
1. Auto swing function is toggled.
2. Air out-flow direction is changed
automatically. (left/right direction)
3. While the fan stops in heating
mode, the auto swing is also
stopped and restarts when the fan
goes run.
1. Timer is set to as follows by pushing
“TIMER/CANCEL” button.
(1hr→2hr→3hr→4hr→5hr→6hr→8hr
→10hr→12hr→16hr→20hr→
24hr→cancel)
2. Unit is off after timer is over.
3. If you want to cancel timer, push
this button again at any time.
DISPLAY
1. Current room temperature is
displayed.
2. ‘FAN’ lamp lights.
There is no change in display.
1. ‘TIMER’ lamp lights.
2. Setting time is displayed.
3. After a few seconds, display is
changed to current room
temprature.
4. At this time, operation mode is
displayed current setting mode.
FAN
HEATING
COOLING
ROOM TEMP
DESIRED TEMP
TIMER
FAN
HEATING
COOLING
ROOM TEMP
DESIRED TEMP
TIMER
FAN
HEATING
COOLING
ROOM TEMP
DESIRED TEMP
TIMER
AUTO
SWING
AUTO
SWING
TIMER/
CANCEL
MODE
MODE
or
or
FUNCTION
ON TIMER
Push the ‘TIMER/CANCEL’
button when unit is off.
(REMOCON ONLY)
SLEEP MODE
Push the ‘SLEEP’ button in
‘COOLING’ mode and
HEATING MODE. (REMOCON
ONLY)
Defrost the heat-exchanger of
the outside (in heating mode)
OPERATION
1. Timer is changed to as follows by
pushing “TIMER/CANCEL” button.
(1hr→2hr→3hr→4hr→5hr→6hr→8hr
→10hr→12hr→16hr→20hr→
24hr→cancel)
2. The unit starts working after set time
is over. (by the operation mode and
last setting temperature before the
unit is off.)
3. If you want to cancel timer, push this
button again at any time.
1. SLEEP MODE is changed as follows
by pushing “SLEEP” button.
(L1→L2→Cancel)
* L1 Mode
– The unit is off after 4 hours.
– The desired Temp is increased 3°C
(5.4°F) for 4 hours in Cooling mode.
– The desired temp is decreased 3°C
(5.4°F) for 4 hours in heating mode.
– Auto swing is selected.
– Fan speed is set to ‘LOW’.
* L2 Mode
– The unit work; as follow
– Auto swing is selected.
– Fan speed is set to ‘LOW’.
2. This mode can be selected in
‘COOLING’ and ‘HEATING’ mode
only.
The unit runs 50 minutes
The unit will start defrost function when
the temperature of the heat exchanger
of the outside arrived at the programed
temperature.
If not arrived at the programed
temperature, the unit continuousiy runs
the heating mode.
While the defrost function is working
the unit runs cooling cycle but the fan
stops.
DISPLAY
1. ‘TIMER’ lamp lights.
2. Setting time is displayed.
3. After a few seconds, display is
changed to current room
temperature.
1. ‘L1’ or ‘L2’ is displayed.
no display
FAN
HEATING
COOLING
ROOM TEMP
DESIRED TEMP
TIMER
TIMER/
CANCEL
• ROOM TEMPERATURE DISPLAY.
Over 45°C or 100°F
5°C~45°C or 41°F~99°F
Below 5°C (41°F)
DISPLAY TEMPERATURE
11
SLEEP
12
FUNCTION
POWER ON
Push POWER button
COOLING MODE
Push the ‘MODE’ button until
‘COOLING’ lamp lights.
HEATING MODE
Push the ‘MODE’ button until
‘HEATING’ lamp lights.
FAN Delay in heating mode
Change desired room temperature
Push the ‘TEMP▲▼’ button.
Change ‘FAN SPEED’
Push the ‘FAN SPEED’ button.
OPERATION
1. The unit starts working.
(It is delayed 30 seconds after main
power source is supplied.)
when running the unit again after
once having stopped it, please wait
for over 3 minutes.
2. Default mode is ‘COOLING’ mode.
3. Default desired room temperature is
‘26°C’ (79°F).
And fan speed is ‘LOW’.
1. Operating modes are changed as
follows by pushing “MODE” button.
(COOLING→HEATING→FAN→
COOLING)
2. The compressor and fan work.
3. In this mode you can change fan
speed and desired temperature at any
time.
4. SLEEP mode and ON/OFF TIMER
can be selected.
(By remocon button only)
1. Operating modes are changed as
follows by pushing “MODE” button.
(COOLING→HEATING→FAN→
COOLING)
2. The compressor and fan work.
3. In this mode you can change fan
speed and desired temperature at any
time.
4. SLEEP mode and ON/OFF TIMER
can be selected.
(By remocon button only)
There are 10 seconds time delay of the
Fan Motor, when compressor is starts or
stops.
1. The desired room temperature is
changed within a range from 16°C
(60°F) to 32°C (90°F) by 1°C.
1. FAN SPEED is changed as follows by
pushing “FAN SPEED” button.
(LOW→HIGH→LOW)
DISPLAY
1. Current room temperature is
displayed.
2. ‘COOLING’ lamp lights.
1. Current room temperature is
displayed.
2. ‘COOLING’ lamp lights.
1. Current room temperature is
displayed.
2. ‘HEATING’ lamp lights.
no display
1. It display desired room temperature
when ‘TEMP’ button is pushed.
3. After a few seconds, display is
changed to current room temperature.
1. It displays as follows.
2. After a few seconds, display is
changed to current room temperature.
FAN
HEATING
COOLING
ROOM TEMP
DESIRED TEMP
TIMER
FAN
HEATING
COOLING
ROOM TEMP
DESIRED TEMP
TIMER
FAN
HEATING
COOLING
ROOM TEMP
DESIRED TEMP
TIMER
FAN
HEATING
COOLING
ROOM TEMP
DESIRED TEMP
TIMER
HIGH
LOW
POWER
MODE
MODE
FAN
SPEED
TEMP
MODE
TEMP
FAN SPEED
or
or
MODE
or
or
or
• DWB-186RH-R / DWB-246RH-R
13
FUNCTION
FAN MODE
Push the ‘MODE’ button until
‘FAN’ lamp lights.
ON/OFF AUTO SWING
Push the ‘AUTO SWING’ button.
OFF TIMER
Push the ‘TIMER/CANCEL’
button when unit is working.
(REMOCON ONLY)
OPERATION
1. The Fan works only.
2. In this mode, the unit circulate room
air.
3. Fan speed can be changed.
1. Auto swing function is toggled.
2. Air out-flow direction is changed
automatically. (left/right direction)
3. While the fan stops in heating
mode, the auto swing is also
stopped and restarts when the fan
goes run.
1. Timer is set to as follows by pushing
“TIMER/CANCEL” button.
(1hr→2hr→3hr→4hr→5hr→6hr→8hr
→10hr→12hr→16hr→20hr→
24hr→cancel)
2. Unit is off after timer is over.
3. If you want to cancel timer, push
this button again at any time.
DISPLAY
1. Current room temperature is
displayed.
2. ‘FAN’ lamp lights.
There is no change in display.
1. ‘TIMER’ lamp lights.
2. Setting time is displayed.
3. After a few seconds, display is
changed to current room
temprature.
4. At this time, operation mode is
displayed current setting mode.
FAN
HEATING
COOLING
ROOM TEMP
DESIRED TEMP
TIMER
FAN
HEATING
COOLING
ROOM TEMP
DESIRED TEMP
TIMER
FAN
HEATING
COOLING
ROOM TEMP
DESIRED TEMP
TIMER
AUTO
SWING
AUTO
SWING
TIMER/
CANCEL
MODE
MODE
or
or
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