3
TABLE OF CONTENTS
1. Safety Precautions.............................................4
2. Specifications.....................................................6
3. Features ............................................................27
4. Location of Controls and Components .........28
4.1 Indoor Unit..................................................28
4.2 Outdoor Unit...............................................28
4.3 Remote Control ..........................................28
5. Dimensions.......................................................29
5.1 Indoor Unit..................................................29
5.2 Outdoor Unit...............................................31
6. Refrigeration Cycle Diagram...........................34
6.1 CU-E7PKE CU-E9PKE CU-E12PKE
CU-E15PKE ...............................................34
6.2 CU-E18PKE CU-E21PKE .........................35
6.3 CU-E24PKE CU-E28PKE .........................36
7. Block Diagram ..................................................37
7.1 CU-E7PKE .................................................37
7.2 CU-E9PKE CU-E12PKE CU-E15PKE .....38
7.3 CU-E18PKE CU-E21PKE .........................39
7.4 CU-E24PKE CU-E28PKE .........................40
8. Wiring Connection Diagram............................41
8.1 Indoor Unit..................................................41
8.2 Outdoor Unit...............................................43
9. Electronic Circuit Diagram ..............................48
9.1 Indoor Unit..................................................48
9.2 Outdoor Unit...............................................49
10. Printed Circuit Board .......................................54
10.1 Indoor Unit..................................................54
10.2 Outdoor Unit...............................................57
11. Installation Instruction.....................................61
11.1 Select the Best Location ............................61
11.2 Indoor Unit..................................................62
11.3 Outdoor Unit...............................................67
12. Installation Instruction.....................................71
12.1 Select the Best Location ............................71
12.2 Indoor Unit..................................................72
12.3 Outdoor Unit...............................................77
13. Operation Control ............................................80
13.1 Basic Function............................................80
13.2 Indoor Fan Motor Operation.......................81
13.3 Outdoor Fan Motor Operation ....................82
13.4 Airflow Direction .........................................83
13.5 Quiet operation (Cooling Mode/Cooling area
of Dry Mode)...............................................84
13.6 Quiet operation (Heating)...........................85
13.7 Powerful Mode Operation ..........................85
13.8 Timer Control..............................................86
13.9 Auto Restart Control...................................86
13.10 Indication Panel..........................................86
13.11 nanoe-G Operation ....................................87
13.12 In-filter Deactivation Operation...................89
13.13 Mild Dry Cooling Operation ........................90
13.14 AUTO COMFORT and ECONAVI Operation.
....................................................................90
14. Operation Control (For Multi Split Connection)
............................................................................98
14.1 Cooling operation .......................................98
14.2 Soft Dry Operation......................................98
14.3 Heating Operation ......................................98
14.4 Automatic Operation ..................................99
14.5 Indoor Fan Motor Operation.......................99
14.6 Powerful Mode Operation ..........................99
14.7 Auto restart control.....................................99
14.8 Indication Panel..........................................99
14.9 Mild Dry Cooling Operation ........................99
15. Protection Control..........................................100
15.1 Protection Control For All Operations ......100
15.2 Protection Control For Cooling & Soft Dry
Operation..................................................102
15.3 Protection Control For Heating Operation103
16. Servicing Mode...............................................104
16.1 Auto OFF/ON Button................................104
16.2 Remote Control Button.............................105
17. Troubleshooting Guide..................................106
17.1 Refrigeration Cycle System......................106
17.2 Breakdown Self Diagnosis Function ........108
17.3 Error Codes Table....................................109
17.4 Self-diagnosis Method..............................111
18. Disassembly and Assembly Instructions ....139
18.1 CS-E7PK CS-E9PK CS-E12PK CS-E15PK
CS-XE7PK CS-XE9PK CS-XE12PK
CS-XE15PK..............................................139
18.2 CS-E18PK CS-E21PK CS-E24PK
CS-E28PK CS-XE18PK CS-XE21PK ....144
18.3 Outdoor Electronic Controller Removal
Procedure............................................................149
19. Technical Data ................................................153
19.1 Operation Characteristics.........................153
19.2 Sensible Capacity Chart...........................185
20. Exploded View and Replacement Parts List187
20.1 Indoor Unit................................................187
20.2 Outdoor Unit .............................................197
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