Daewoo 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

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

/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

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

• DWB-186RH-R / DWB-246RH-R

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

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

REMOTE CONTROLLER DISPLAY

Room Air-conditioner

FAN

HEATING

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.

•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

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

–+

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

ROOMTEMP

DESIREDTEMP

TIMER

FAN

HEATING

COOLING

ROOMTEMP

DESIREDTEMP

TIMER

FAN

HEATING

COOLING

ROOMTEMP

DESIREDTEMP

TIMER

FAN

HEATING

COOLING

ROOMTEMP

DESIREDTEMP

TIMER

LOW

HIGH

POWER

MODE

TEMP

MODE

TEMP

FAN

SPEED

FAN SPEED

MODE

•DWB-180RH-R/DWB-240RH-R

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