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
9 Operating Instructions
29
10 Installation Instructions
35
10.1. Safety Precautions
35
10.2. Indoor Unit
38
10.3. Outdoor Unit
42
11 3-way Valve
45
11.1. Air Purging of the Piping and Indoor Unit
46
12 Servicing Information
52
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 Troubleshooting Guide
56
13.1. Refrigeration cycle system
56
14 Technical Data
58
14.1. Thermostat characteristics
58
14.2. Operation characteristics
58
15 Exploded View (Indoor Unit)
60
15.1. CS-C18DKD CS-C24DKD
60
16 Replacement Parts List (Indoor Unit)
61
16.1. CS-C18DKD CS-C24DKD
61
17 Exploded View (Outdoor Unit)
62
17.1. CU-C18DKD
62
17.2. CU-C24DKD
63
18 Replacement Parts List (Outdoor Unit)
64
18.1. CU-C18DKD CU-C24DKD
64
19 Electronic Circuit Diagram
65
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.
1 Features
2
CS-C18DKD CU-C18DKD / CS-C24DKD CU-C24DKD
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