Daewoo DWA-182RH User Manual

Manual de servicio

Acondicionador de Aire Tipo Ventana

Modelo:

CONTENTS

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

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

3. Wiring Diagram..........................................................................................13

4. Refrigerant Cycle.........................................................................................14

5. Control Block Diagram.................................................................................15

6. Circuit Diagram..........................................................................................16

7. Trouble Shooting Guide ...............................................................................19

8. Key Components of Electronic Circuit............................................................30

9. Disassembly Instructions ...............................................................................32

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

Contents

2

1. SPECIFICATIONS

ITEM

MODEL

DWA-182RH

Power Source V/Ph/Hz AC 208~230V / 1 / 60Hz

Capacity

Btu/h 18,000

(Cooling & Heating)

Kcal/h 4,530

Dehumidification

l

/h 2.4

Power Input(W)

Cooling 2,000
Heating 1,700

Running Current(A)

Cooling 11.0
Heating 10.0
Type Rotary

Compressor

Model RCA180U001
Capacitor 35µF/370VAC
Overload Protector MRA12138-696(T1)
Model A2951GA011

Fan Motor

Capacitor 7.5µF/400VAC
Indoor-Fan Blower Fan
Outdoor-Fan Propeller Fan
Control Capillary

Refrigerant (R-22) Capillary Tube ID Ø1.4 x L1000 x 2

Amount (g) 1,350

Dimensions (WxHxD)

Unit (mm) 660 x 430 x 705
Packing (mm) 711 x 525 x 757

Weight (Kg)

Net Weight 57.7
Gross Weight 61.7

Electrical
Data

Conditions by JIS C9812

3

1

PARTS OF NAME AND FUNCTION

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

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. (LP→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.
(High→Low→High)

TIMER/

CANCEL

FAN SPEED

TEMP

SLEEP

MODE

AUTO

SWING

5

3

REMOTE CONTROLLER DISPLAY

Room Air-conditioner

FAN
HEATING
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

• 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. (High→Low→High)

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.)

6

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

– +

– +

7

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 ‘HIGH’.

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.
(HIGH→LOW→HIGH)

DISPLAY

1. Current room temperature is
displayed.

2. ‘COOLING’ lamp lights.

3. ‘ROOM TEMP’ lamp lights.

1. Current room temperature is
displayed.

2. ‘COOLING’ lamp lights.

3. ‘ROOM TEMP’ lamp lights.

1. Current room temperature is
displayed.

2. ‘HEATING’ lamp lights.

3. ‘ROOM TEMP’ lamp lights.

no display

1. It display desired room temperature
when ‘TEMP’ button is pushed.

2. ‘DESIRED TEMP’ lamp lights.

3. After a few seconds, display is
changed to current room temperature
and ‘ROOM TEMP’ lamp lights.

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

TEMP

MODE

TEMP

FAN

SPEED

FAN SPEED

or

MODE

MODE

or

8

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.

3. ‘ROOM TEMP’ lamp lights.

There is no change in display.

1. ‘TIMER’ lamp lights.

2. Set time is displayed.

3. After a few seconds, display is
changed to current room
temprature. and ‘ROOM TEMP’
lamp lights.

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

9

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.
(LP→Cancel)
* LP 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’.

2. Set proper desired room
temperature, fan speed and auto­swing mode.

3. 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. and ‘ROOM TEMP’
lamp lights.

1. ‘LP’ is displayed.

2. ‘ROOM TEMP’ and ‘DESIRED
TEMP’ lamp is off.

no display

FAN
HEATING
COOLING

ROOM TEMP
DESIRED TEMP
TIMER

TIMER/

CANCEL

SLEEP

• 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

10

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, you can hear the signal "beep –" or "beep, beep".

OFF-Timer

Unit ON

Unit OFF

SET Time

HOUR

ON

OFF

ON-Timer

Unit ON

Unit OFF

SET Time

HOUR

ON

OFF

Control of Room Temperature

Buzzer

COMP (ON)

(COOLING)

Desired

temperature

COMP (OFF)

-1˚C+1˚C

Room
Temperature

Desired

temperature

COMP (ON)

(HEATING)

COMP (OFF)

+3˚C

Room
Temperature

5

DESCRIPTION OF FUNCTIONS

11

(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 (Cooling)

• The unit will not operate after 4 hour.

• Mode (Heating)

• The unit will not operate perfectly after 4 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 .

In normal operation, there is a time delay of three minutes between turn off and turning back on including
initial power up. (but when the unit resets the time delay is 30 seconds)

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

0.5°C

0.5°C

Temperature

Fan Speed

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

FAN ONLY COOL HEAT

H HHH
L LLL

1

1

1

0 0.5 1.0 HOUR

SET TIME

Desired

Difference
desired temperature
between room
temperature (°C)

1°C

1°C

1°C

Temperature

1°C

1°C

1°C