5 Refrigeration Cycle 16
6 Block Diagram
17
6.1. CS-F24DB4E5 CS-F28DB4E5
17
6.2. CU-L24DBE5 CU-L28DBE5
18
7 Wiring Diagram
19
7.1. CS-F24DB4E5 CS-F28DB4E5
19
7.2. CU-L24DBE5 CU-L28DBE5
20
8 Operation Details
21
8.1. Wired Remote Control (Optional part)
21
8.2. Wireless Remote Control (Optional part)
22
9 Operation Control
23
9.1. Operation Mode
23
9.2. Compressor Start Control
23
9.3. Cooling Operation
23
9.4. Heating Mode Operation
26
9.5. Louver Control
29
9.6. Odour Removing Operation
31
9.7. Energy Save Operation
32
9.8. Outdoor Fan Remaining Heat Removal Control
32
9.9. Crank Case Heater Control
32
9.10. Valve Error
32
9.11. Pump Down Operation
33
9.12. Indoor Air Volume Up Control (DC Fan Motor Type Only)
33
10 Installation Instruction
34
10.1. Pipe length
34
10.2. Refrigerant additional charge
35
10.3. Position of the centre gravity
35
10.4. Indoor unit installation
36
10.5. Outdoor unit installation
48
10.6. Wired remote control installation
59
10.7. Wireless remote control installation manual
66
10.8. Twin and triple
73
11 Installation and Servicing Air Conditioner Using R410A
74
11.1. Outline
74
11.2. Tools for installing/servicing refrigerant piping
75
11.3. Refrigerant piping work
79
11.4. Installation, transferring, servicing
81
12 Troubleshooting Guide
85
12.1. Self-diagnosis error code table
85
13 Replacement Parts
87
13.1. Indoor unit
87
13.2. Outdoor unit
92
14 Electronic Circuit Diagram
96
14.1. Indoor unit
96
14.2. Outdoor unit
100
14.3. Wired remote control
107
14.4. Wireless remote control
108
14.5. Print pattern
109
2
CS-F24DB4E5 CU-L24DBE5 / CS-F28DB4E5 CU-L28DBE5