Panasonic CU-C12DKU - Manual (Page 2)

10.5. Indoor unit 37
10.6. Outdoor unit 40
11 2-way, 3-way Valve 45
11.1. Evacuation of Installation 46
11.2. Pumping down 47
11.3. Evacuation of Re-installation 48
11.4. Balance refrigerant of the 2-way, 3-way valves 49
11.5. Evacuation 50
11.6. Gas charging 51
12 Servicing Information 52
12.1. Distinction of Lead Free (PbF) Printed Circuit Board 52
12.2. Indoor Electronic Controller Removal Procedures 52
12.3. Indoor Fan Motor and Cross Flow Fan Removal
Procedures 54
12.4. Auto OFF/ON Button 55
12.5. Remote Control Reset 56
• 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 vertical airflow.
• Long installation piping.
− CS/CU-C9DKU, long piping up to 33ft.
− CS/CU-C12DKU, long piping up to 49ft.
13 Troubleshooting Guide 57
13.1. Refrigeration cycle system 57
13.2. Relationship between the condition of the air conditioner
and pressure and electric current 58
13.3. Diagnosis methods of a malfunction of a compressor 58
14 Technical Data 59
14.1. Thermostat characteristics 59
14.2. Operation characteristics 60
15 Exploded View (Indoor Unit) 64
16 Replacement Parts List (Indoor Unit) 65
17 Exploded View (Outdoor Unit) 66
18 Replacement Parts List (Outdoor Unit) 67
19 Electronic Circuit Diagram 68
19.1. Indoor Unit 68
19.2. Remote Control 74
19.3. Print Pattern Indoor Unit Printed Circuit Board 75
• Quality Improvement
− Random auto restart after power failure for safety restart
operation.
− Gas leakage protection.
− Prevent Compressor reverse cycle.
− Inner protector to protect Compressor.
− Noise prevention during soft dry operation.
− Blue Coated Condenser for high resistance to corrosion.
• Operation Improvement
− Quiet mode to provide quiet operation.
− Powerful mode to reach the desired room temperature
quickly.
− 24-hour timer setting.
• Serviceability Improvement
− Removable and washable Front Panel.
1 Features
2
CS-C9DKU CU-C9DKU / CS-C12DKU CU-C12DKU