8.12. Timer Control 29
8.13. Random Auto Restart Control
29
8.14. Remote Control Signal Receiving Sound
29
9 Operating Instructions
30
10 Installation Instructions
36
10.1. Safety Precautions
36
10.2. Attached accessories
38
10.3. Select the best location
38
10.4. Indoor/Outdoor Unit Installation Diagram
38
10.5. Indoor unit
39
10.6. Outdoor unit
43
11 3-way Valve
47
11.1. Air purging
48
11.2. Pumping down
49
11.3. Evacuation
52
11.4. Gas charging
53
12 Servicing Information
54
12.1. Distinction of Lead Free (PbF) Printed Circuit Board
54
12.2. Indoor Electronic Controllers Removal Procedures
54
12.3. Indoor Fan Motor and Cross Flow Fan Removal
Procedures
55
12.4. Auto OFF/ON Button
56
12.5. Remote Control Reset
57
13 Troubleshooting Guide
58
• High Efficiency
• Compact Design
• Comfort Environment
− Ionizer control for generating negative ion in discharge
air
− Air filter with function to reduce dust and smoke
− Wider range of horizontal discharge air
• Auto Restart
− Random auto restart after power failure for safety restart
operation
• Removable and Washable Front Panel
• Remote Control Illuminable Button
• Catechin Air Purifying Filter
− Trap dust, tobacco smoke and tiny particles
− Prevent the growth of bacteria and viruses trapped
• Triple Deodorizing Filter
− Absorb odours produced by wall paper, construction
material and living environment
13.1. Refrigeration cycle system 58
13.2. Relationship between the condition of the air conditioner
and pressure and electric current
59
13.3. Diagnosis methods of a malfunction of a compressor
59
14 Technical Data
60
14.1. Thermostat characteristics
60
14.2. Operation characteristics
60
15 Exploded View (Indoor Unit)
62
16 Replacement Parts List (Indoor Unit)
63
16.1. CS-C9DKZW
63
17 Exploded View (Outdoor Unit)
64
17.1. CU-2C18DKH
64
18 Replacement Parts List (Outdoor Unit)
65
18.1. CU-2C18DKH
65
19 Exploded View (Outdoor Unit)
66
19.1. CU-3C20DKH
66
20 Replacement Parts List (Outdoor Unit)
67
20.1. CU-3C20DKH
67
21 Electronic Circuit Diagram
68
21.1. Remote Control
76
21.2. Print Pattern Indoor Unit Printed Circuit Board
77
21.3. Print Pattern Indicator Printed Circuit Board
79
21.4. Print Pattern Outdoor Unit Printed Circuit Board
80
• Quality Improvement
− Gas leakage protection
− Prevent compressor reverse cycle
− 2-stage OLP to protect compressor
− Noise prevention during soft dry operation.
− Blue Coated Condenser
− High resistance to corrosion.
• Operation Improvement
− Quiet mode to provide extra quiet operation
− Powerful mode to reach the desired room temperature
quickly
• Long Installation Piping
− Long piping up to 15 meter
• 12-hour Timer Setting
1 Features
2
CS-C9DKZW CU-2C18DKH / CS-C9DKZW CU-3C20DKH
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