
10 Installation Instructions 34
10.1. Safety Precautions 34
10.2. Indoor Unit 37
10.3. Outdoor Unit 41
11 3-way Valve 44
11.1. Air Purging of the Piping and Indoor Unit 45
12 Servicing Information 51
12.1. Indoor Electronic Controllers Removal Procedures 51
12.2. Cross Flow Fan and Indoor Fan Motor Removal
Procedures 52
12.3. Remote Control Reset 53
12.4. Auto OFF/ON Button 54
13 Troubleshooting Guide 55
13.1. Refrigeration cycle system 55
14 Technical Data 57
• 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.
− Ionizer control for generating negative ion in discharge
air.
− 24-hour timer setting.
• Serviceability Improvement
− Removable and washable Front Panel.
14.1. Thermostat characteristics 57
14.2. Operation characteristics 57
15 Exploded View (Indoor Unit) 59
15.1. CS-C18DKV CS-C24DKV 59
16 Replacement Parts List (Indoor Unit) 60
16.1. CS-C18DKV CS-C24DKV 60
17 Exploded View (Outdoor Unit) 61
17.1. CU-C18DKV CU-C24DKV 61
18 Replacement Parts List (Outdoor Unit) 62
18.1. CU-C18DKV CU-C24DKV 62
19 Electronic Circuit Diagram 63
19.1. Indoor Unit & Outdoor Unit 63
19.2. Remote Control 68
19.3. Print Pattern Indoor Unit Printed Circuit Board 69
19.4. Print Pattern Indicator & Receiver Printed Circuit Board 70
1 Features
2
CS-C18DKV CU-C18DKV / CS-C24DKV CU-C24DKV