Daewoo DSA-151L, DSA-181L, DSB-181L Service Manual

Contents
CONTENTS
1. Specifications................................................................................................2
2. Outline and Dimensions .................................................................................3
3. Operation.....................................................................................................5
4. Wiring Diagram..........................................................................................17
5. Refrigerant Cycle.........................................................................................22
6. Control Block Diagram.................................................................................23
7. Electric Circuit Diagram................................................................................24
8. Trouble Shooting..........................................................................................27
9. Disassembly Instructions ...............................................................................43
1) Indoor Unit..............................................................................................43
2) Outdoor Unit...........................................................................................45
5) Control Box Assembly..............................................................................56
1. SPECIFICATIONS
DSA-151L/DSA-181L/DSB-181L
MODEL
ITEM
Function Cooling Class T Power Supply Capacity W 4,300 5,100 5,100
Btu/h 15,500 17,500 17,500
Dehumidification 1.98l/h 2.3l/h 2.3l/h
Running Current 6.6A 8.3A 9.8A
Electrical
Data
Compressor
Power Input 1,450W 1,785W 1,950W Starting Current 42A 44A 46A Type Rotary Rotary RECIPRO Model RCA150A001 ECB185211A CRDQ-0200-PFJ Capacitor 30µF/400 VAC
DSA-151L DSA-181L DSB-181L
AC 208~230V, 60Hz AC 208~230V, 60Hz AC 220~240V, 50Hz
Type Indoor Cross Flow Fan
Outdoor Propeller Fan
Capacitor Indoor 1.2µF/400 VAC
Fan
Outdoor 3µF/400 VAC
Motor Model Indoor IC-9425DWKH6A IC-9425DWKH6A IC-9425DWKC5A
Outdoor AM12DPD05 AM12DPD05 AM12DPD04
Refrigerant
(R-22)
Connection
Dimensions Indoor 1,035 x 322 x 205
Control Capillary Charge Q'ty 1,250g 1,450g 1,150g Type Flare OD Indoor 1/4”(6.35mm) (Liquid/Suction) Outdoor 1/2”(12.7mm)
Outdoor 800 x 615 x 277
Net Weight Indoor 11.7Kg 11.7Kg 11.7Kg
Outdoor 43Kg 44Kg 55.8Kg
2
1035
205
322
453
¿‹ Æ˘˜ ˙`
”fi `⁄˘˙
`⁄„«…–‚fi‚ ˜
‰˙‡»– ‚Ø–
‰˙‡»– ˆ
Connecting Pipe
453
1035
Plate Mounting
REMOCON
Filter-L
INDOOR UNIT
2. OUTLINE AND DIMENSIONS
1
DSA-151L/DSA-181L/DSB-181L
3
Grille Insert
Body
Filter-R
277
367
615
800
Inlet
Inlet
Outlet
Panel Top
Cabinet
Handle
4
Discharge Grille
OUTDOOR UNIT
2
DSA-151L/DSA-181L/DSB-181L
Foot
Service Valve
3. OPERATION
Indoor Cover
Electrostatic Filter
Removes dust particles from the air.
Deodorizing Filter
Removes bad smells from the air.
Test/Emergency/ Remote Switch
Slide to select the desired position.
Indicators
Indicate the AC setting.
Remote Sensor
Power PlugLCD Remote Controller
Air Cleaning Filters
Removes dust and prohibits germs.
Cold Air
Air In
Fan Direction
(Up/Down)
Fan Direction
(Left/Right)
ON
OFF
ENTERCANCEL
TIMER RESET
FAN DIR.
FAN SPEED
MODE
SLEEP
ON/OFF
TEMP.
1
PARTS OF NAME AND FUNCTION
DSA-151L/DSA-181L/DSB-181L
Indoor Unit
5
ON (Red)
Lights when the operation is going on.
Air clean (Green)
Timer (Yellow)
Lights during the time
reservation mode.
Quick (Red)
Lights during the
time Quick
Mode.
Timer Quick
Airclean
ON
EMERGENCY REMOTE
DSA-151L/DSA-181L/DSB-181L
Indoor Unit Display Switch Panel
Remote Control Signal Receiver
This place is the part to receive the signal if it receive the signal, you can hear the signal “beep. beep”.
There is a switch panel at inside of Front Panel.
At the time of operating, open the Front Panel.
Emergency switch can be used when the remote controller is lost or Testing.
Remote switch is usually used by remote controller.
6
DSA-151L/DSA-181L/DSB-181L
Outdoor Unit
AIR IN
AC Cover
Remove cover to access the AC connection from this unit to the indoor unit.
Connection Wire
AIR OUT
Drain Hose
COPPER TUBING
Service Valves
The indoor and outdoor units are connected by copper tubes which are connected here.
Grounding Screw
Ground the unit here.
Ground Wire (Not supplied)
7
2
MODE
SLEEP
ON/OFF
TIMER
ENTER/ CANCEL
FAN SPEED
TURBO/MILD
Display
Displays information pertaining to unit.
TURBO/MILD
Press to be colder the unit.
TIMER ENTER/CANCEL Button
Press to enter a timer setting or to cancel timer setting
TIMER ON/OFF Button
Press to set the unit of or on time. (0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10, 12, 16, 20, 24hr)
MODE Button
Press to cycle through the modes (Auto/Quick/Cooling/Fan/Dry)
SLEEP Button
Press to set the unit for the sleep mode.
FAN DIR. Button
Press to select up/down direction for fan.
FAN DIR. Button
Press to select left/right direction for fan.
ON/OFF Button
Press to turn the unit on or off.
TEMPERATURE Buttons
Press to raise or lower the desired temperature.
FAN SPEED Button
Press to select the fan speed (High " ", Middle " ", Low " ").
COVER
Slide down to access most of the remote buttons. Slide down further to access the battery compartment.
AUTO
FAN DIR.
FAN DIR.
REMOTE CONTROLLER
DSA-151L/DSA-181L/DSB-181L
Name of Each Button
8
3
MODE Indicators (Auto/Quick/Cool/Fan/Dehumidifier)
Lights to indicate the mode selected.
TIMER Indicators (Include sleep)
Lights to indicate the timer function mode.
TEMPERATURE & RESERVATION TIME lndicators
Lights to indicate the temperature or time.
FAN DIRECTION Indicators
Lights to indicate the fan direction.
NATURAL Indicator
Lights to indicate the speeds simulating a breeze.
FAN Indicators
Lights to indicate the fan speed.
AUTO
+
+
REMOTE CONTROLLER DISPLAY
DSA-151L/DSA-181L/DSB-181L
Replacing Batteries
Open the cover after pressing the arrow
1
direction and pulling out.
+
Put the drycell by
2
direction.
9
3
Close the cover after pushing into arrow direction.
4
Unit ON
Unit OFF
SET Time
HOUR
ON
OFF
Unit ON
Unit OFF
SET Time
HOUR
ON
OFF
COMP (ON)
(COOLING)
COMP (OFF)
-1˚C 0˚C
Temperature (RT-DT)
DESCRIPTION OF FUNCTIONS
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: 18~32°C (2) Setting temperature: Operating temperature of compressor
Room temperatrue
< setting temperature
(
Compressor OFF Room temperature
> setting temperafure
(
Compressor ON
(3) During the time of test operating, Fan (Indoor , Outdoor) and Compressor is running regardless of room temperature.
Buzzer
If the Indoor Unit Display receive the signal of Remote Controller , y ou can hear the signal "beep –" or "beep , beep".
10
Fan Speed (Indoor Unit)
0
L
M
H
+1°C+2°C (RT-DT)
(1) Motor speed (high speed, normal speed, low speed). (2) Remote controller setting fan speed. (Auto , L, M, H, Natural) (3) Relation of operating mode between fan speed.
FAN ONLY COOL
H HHXHH MMMXMX
LLLXLX
Auto X Auto Auto Auto X
Natural Natural Natural X Natural X
DEHUMI-
DIFICATION
AUTO Quick
(4) Automatic Operation If the unit is set in 'AUT O' mode , the unit operates automatically according to the room temperature to keep the room temperature comfortable.
(COOLING)
• DSA-151L/DSA-181L/DSB-181L
11
Sleep Mode
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
(1) When you are going to sleep , select sleep s witch and the unit controls the room to the desired temper ature.
(The unit will not operate after 4 hour)
(2) For changing the temperature.
(3) To cancel sleep mode, press the SLEEP button again or press the MODE button once.: the SLEEP
indicator will disappear in the display.
Emergency Operation
(1) When the remote controller is lost, damaged or the battery is discharged, the Emergency operation can be
used to run the unit.
(2) The setting conditions of Emergency operation are as follows.
• Operation mode: AUTO
• Preset temperature: 26°C
• Fan speed: AUT O
12
Frost Prevention of Indoor Unit
0°C7°C
Compressor and Outdoor Fan
OFF
ON
Set Speed
Indoor Fan
When the unit operates at low ambient temperature, frost may appear on the Ev aporator. When the indoor coil temperature is lower than 0°C at the end of 10 minutes of continuous compressor operation from the start, the microcomputer of the unit stops the compressor to protect the unit from the frost. The control procedure for indoor coil freeze protection.
1) The compressor and outdoor fan turn off.
2) Indoor fan operates according to user set speed.
3) The normal operation returns when the indoor coil temperature is higher than 7°C or equal to 7°C.
(Indoor coil temperature)
3 min. 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.
Indoor Fan Motor Starting
When indoor fan motor is on, it alwa ys starts at normal speed and then it operates desired speed.
13
Auto Mode
-1 0
°C
OFF
ON
(Room temperature­ Desired temperature)
H
M
L
0+1+2
°C
(Room temerature­ Desired temperature)
(1) When the room temperature is higher than 28°C (Cooling Mode)
! Compressor and lndoor F an
@ The fan will automatically operate as f ollowing Figure
(2) When the room temperature is lower than 28°C and higher than 22°C (Dehumidification Mode). (3) When the room temperature is lower than 22°C (F an only).
14
-1
OFF
ON
(Room temperature-18˚C)
0
Dehumidification Mode
!Desired temperature < Room temperature
Outdoor Fan, Compressor : ON Indoor Fan : Low speed
@ Desired temperature Room temperature
Compressor : 3 min/ON, 5 min/OFF Indoor Fan : 3 min 30 second/ON, 4 min 30 second/OFF Fan Speed : Low speed
# Room temperature 18°C
Compressor : OFF Indoor Fan : 1 min/ON, 7 min/OFF Fan speed : Low speed
>
>
Air Discharge Direction
(1) When you turn on the unit, the flaps move to the position of keeping the room temperature comfortable. (2) The air discharge direction is below.
Up/Down On/Off
Left/Right On/Off
Quick Mode (Powerful Cooling)
(1) Cooling condition
!Fan Speed: High speed @ Air discharge direction: Fixed # Set temperature: 18°C (Fixed) $ Operation Mode: Cooling Mode % Compressor and Outdoor Fan
15
Self-Diagnostic Function
The control will contain diagnostic test to verify the integrity of the system. (1)Error Code Display Pattern
!ON LAMP: ON (Red) LED ON/OFF @ Error Code (Display in Emergency Mode only)
ERROR CODE
1
2
DISPLAY PATTEN ERROR CONTENTS
8 seconds
0.5 second
8 seconds
0.5 second
Room air thermistor, connector Indoor coil thermistor, connector
Compressor, Electrical parts of comp. Gas leak
16
4. WIRING DIAGRAM
DSA-151L
OUTDOOR UNIT
INDOOR UNIT
17
DSA-181L/DSB-181L
18
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