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 2.1. 

Remote Control 

3

 2.2. 

Indoor Unit 

4

 2.3. 

Outdoor Unit 

5

 3.1. 

CS-C18DKD CU-C18DKD 

6

 3.2. 

CS-C24DKD CU-C24DKD 

8

 4.1. 

Indoor Unit & Remote Control 

10

 4.2. 

Outdoor Unit 

11

 8.1. 

Cooling Operation 

17

Order No. MAC0411054C3

 8.2. 

Soft Dry Operation 

18

 8.3. 

Automatic Operation 

19

 8.4. 

Operation Control 

20

 8.5. 

Indoor Fan Speed Control 

23

 8.6. 

Outdoor Fan Speed Control 

24

 8.7. 

Vertical Airflow Direction Control 

24

 8.8. 

Horizontal Airflow Direction Control 

25

 8.9. 

Powerful Operation 

25

 8.10. Quiet Operation 

26

 8.11. Ionizer Operation 

27

 8.12. Timer Control 

28

 8.13. Random Auto Restart Control 

28

 8.14. Remote Control Signal Receiving Sound 

28

 10.1. Safety Precautions 

35

 10.2. Indoor Unit 

38

 10.3. Outdoor Unit 

42

 11.1. Air Purging of the Piping and Indoor Unit 

46

 12.1. Indoor Electronic Controllers Removal Procedures 

52

 • High efficiency.
 • Compact design.
 • Wider range of horizontal discharge air.
 • Air Filter with function to reduce dust and smoke.
 • Automatic air swing and manual adjusted by Remote

Control for horizontal and vertical airflow.

 • Long installation piping up to 25 meter.
 • Supersonic Air Purifying System with SUPER alleru-buster.

 − Inactive various harmful airbone elements including

allergens, viruses and bacteria.

 − Generated supersonic waves enhance the ability to

collect dust and dirt in the air.

 • Quality Improvement

 − Random auto restart after power failure for safety restart

operation.

 − Gas leakage detection.
 − Prevent Compressor reverse cycle.
 − Inner protector to protect Compressor.
 − Noise prevention during soft dry operation.
 − Blue coated Condenser for high resistance to corrosion.
 − Anti-dew formation control (Cooling & Soft Dry).

 • Operation Improvement

 − Quiet mode to provide quiet operation.
 − Powerful mode to reach the desired room temperature

quickly.

 12.2. Cross Flow Fan and Indoor Fan Motor Removal

Procedures 

53

 12.3. Remote Control Reset 

54

 12.4. Auto OFF/ON Button 

55

 13.1. Refrigeration cycle system 

56

 14.1. Thermostat characteristics 

58

 14.2. Operation characteristics 

58

 15.1. CS-C18DKD CS-C24DKD 

60

 16.1. CS-C18DKD CS-C24DKD 

61

 17.1. CU-C18DKD 

62

 17.2. CU-C24DKD 

63

 18.1. CU-C18DKD CU-C24DKD 

64

 19.1. Indoor Unit & Outdoor Unit 

65

 19.2. Remote Control 

70

 19.3. Print Pattern Indoor Unit Printed Circuit Board 

71

 19.4. Print Pattern Indicator & Receiver Printed Circuit Board 72

 − Ionizer control for generating negative ion in discharge

air.

 − 24-hour timer setting.

 • Serviceability Improvement

 − Removable and washable Front Panel.

2

OFF / ON 

TEMP.

•

AUTO

Automatic Operation

•

COOL

Cooling Operation

•

DRY

Soft Dry Operation

MODE

• Hours and minutes setting.

• Current time setting.

FAN SPEED

•

FAN

 

Low Fan Speed

•

FAN

 

Medium Fan Speed

•

FAN

 

High Fan Speed

•

AUTO

Automatic Fan Speed

FAN

• 24-hour, OFF / ON Real Timer Setting.

ON-TIMER

OFF-TIMER

SET

CANCEL

• ON Timer and OFF Timer setting and

cancellation.

CLOCK

AIR SWING

•

Vertical Automatic Airflow
Direction Control and Manual
Airflow Direction Control 
(5 stages of adjustment).

•

Horizontal Automatic Airflow
Direction Control and Manual
Airflow Direction Control 
(5 stages of adjustment).

POWERFUL

QUIET

Cooling, Soft Dry Operation.
• Increase or decrease set temperature 

(16

°C to 30°C)

Automatic Operation
•

Operation with 2

°C higher than

standard temperature.

•

Operation with standard temperature.

•

Operation with 2

°C lower than

standard temperature.

<

<

3

• Unit will be restarted, when resume from

power failure, at previous setting.

• To prevent indoor heat exchanger from

freezing.

• Generate and discharge negative ion.

• Manual control fan speed

(High, Medium and Low).

• Automatic fan speed

• Automatic air swing and manual adjusted

by remote control for vertical and
horizontal airflow.

• Press for < 5 second to operate Automatic

operation mode.Use when the remote
control cannot be used.

• Press for > 5 second to operate Cooling

operation mode and compressor force
to on (“beep” sound will be heard). Used 
when test running or servicing.

• Within 20 second of Cooling operation, 

press continuously for > 5 second to enter 
various setting mode. “beep, beep” sound 
will be heard. (Used to toggle remote 
control signal receiving sound or select 
remote control transmission code.) 

AUTO

OFF / ON

•

POWER

 (Green) ........ Lights up in operation,

blinks in Automatic
Operation judging.

•

QUIET

 (Orange) ........ Lights up in Quiet

Operation.

•

TIMER

 (Orange) ....... Lights up in Timer

Setting.

•

POWERFUL

 (Orange) .. Lights up in Powerful

Operation.

• ION (Green) ........... Lights up in Ionizer

Operation.

• SUPER 

ALLERU-BUSTER (Blue) ... Lights up in operation.

• Cooling, Soft Dry and Automatic Operation.

• Delay OFF/ON Timer control.

• Reaches the desired room temperature 

quickly.

• Restarting is inhibited for approximately

3 minutes.

• To provide quiet operation.

• To reduce the built up humidity inside

the room.

• Anti-Dew Formation Control for indoor

unit discharge area.

4