3 SPECIFICATION  6
 3.1. CS-F24DD2E5 CU-B24DBE5 
6
 3.2. CS-F28DD2E5 CU-B28DBE5 
7
 3.3. CS-F28DD2E5 CU-B28DBE8 
8
 3.4. CS-F34DD2E5 CU-B34DBE5 
9
 3.5. CS-F34DD2E5 CU-B34DBE8 
10
 3.6. CS-F43DD2E5 CU-B43DBE8 
11
 3.7. CS-F50DD2E5 CU-B50DBE8 
12
 4 DIMENSIONS 
13
 4.1. CS-F24DD2E5 CS-F28DD2E5 
13
 4.2. CS-F34DD2E5 CS-F43DD2E5 CS-F50DD2E5 
14
 4.3. CU-B24DBE5 CU-B28DBE5 CU-B28DBE8 
15
 4.4. CU-B34DBE5 CU-B34DBE8 CU-B43DBE8 CU-
B50DBE8 
16
 5 REFRIGERATION CYCLE 
17
 5.1. CS-F24DD2E5 CU-B24DBE5 CS-F28DD2E5 CU-
B28DBE5 CU-B28DBE8 
17
 5.2. CS-F34DD2E5 CU-B34DBE5 CU-B34DBE8 CS-
F43DD2E5 CU-B43DBE8 CS-F50DD2E5 CU-B50DBE8
 
18
 6 BLOCK DIAGRAM 
19
 6.1. CS-F24DD2E5 CS-F28DD2E5 CS-F34DD2E5 CS-
F43DD2E5 CS-F50DD2E5 
19
 6.2. CU-B24DBE5 CU-B28DBE5 
19
 6.3. CU-B34DBE5 
19
 6.4. CU-B28DBE8 
20
 6.5. CU-B34DBE8 CU-B43DBE8 CU-B50DBE8 
20
 7 WIRING DIAGRAM 
21
 7.1. CS-F24DD2E5 CS-F28DD2E5 CS-F34DD2E5 CS-
F43DD2E5 CS-F50DD2E5 
21
 7.2. CU-B24DBE5 CU-B28DBE5 
22
 7.3. CU-B28DBE8 
23
 7.4. CU-B34DBE5 
24
 7.5. CU-B34DBE8 CU-B43DBE8 CU-B50DBE8 
25
 8 WIRED REMOTE CONTROL OPERATING INSTRUCTIONS 
26
 8.1. Name and function of each part 
26
 8.2. Remote control - display 
27
 8.3. Remote control - panel 
28
 8.4. How to set remote control day and time 
29
 8.5. How to select the timer 
29
 8.6. Daily timer setting 
30
 8.7. Weekly timer setting 
31
 9 OPERATION DETAIL 
33
 9.1. Cooling operation 
33
 9.2. Heating operation 
34
 9.3. Soft dry operation 
34
 9.4. Auto operation 
34
 9.5. Fan operation 
34
 9.6. Normal control 
35
 9.7. Operation control 
36
 9.8. Protection control 
39
 9.9. Test run 
41
 10 INSTALLATION INSTRUCTION 
42
 10.1. Pipe length 
42
 10.2. Position of the centre gravity 
44
 10.3. Indoor unit installation 
45
 10.4. Outdoor unit installation 
55
 10.5. Wired remote controller installation 
66
 10.6. Twin systems installation 
73
 11 INSTALLATION & SERVICING AIR CONDITIONER 
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 TROUBLE SHOOTING GUIDE 
85
 12.1. For standard installation 
85
 12.2. During twin operation 
87
 12.3. During group control operation 
89
 12.4. Test operation and self diagnosis 
90
 12.5. Emergency operation 
93
 12.6. Self-diagnosis error code table 
94
 13 TECHNICAL DATA 
96
 13.1. Sound data 
96
 13.2. Sound measurement point 
102
 13.3. Discharge and suction pressure 
103
 13.4. Capacity and power consumption 
105
 13.5. Fan performance 
128
 13.6. Safety device 
133
 13.7. Operating characteristics 
134
 14 REPLACEMENT PARTS 
135
 14.1. Indoor unit 
135
 14.2. Outdoor unit 
137
 15 PRINT PATTERN 
144
 15.1. Indoor unit 
144
 15.2. Outdoor unit 
145
2