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TABLE OF CONTENTS
1. Safety Precautions ............................................. 3
2. Specifications ..................................................... 5
3. Features ............................................................. 14
4. Location of Controls and Components .......... 15
4.1 Indoor Unit .................................................. 15
4.2 Outdoor Unit ............................................... 15
4.3 Remote Control .......................................... 15
5. Dimensions ....................................................... 16
5.1 Indoor Unit & Remote Control .................... 16
5.2 Outdoor Unit ............................................... 18
6. Refrigeration Cycle Diagram ........................... 20
7. Block Diagram .................................................. 21
7.1 CS-PE9RKE CU-PE9RKE
CS-PE12RKE CU-PE12RKE
CS-UE9RKE CU-UE9RKE
CS-UE12RKE CU-UE12RKE ..................... 21
7.2 CS-UE18RKE CU-UE18RKE ..................... 22
8. Wiring Connection Diagram ............................ 23
8.1 Indoor Unit .................................................. 23
8.2 Outdoor Unit ............................................... 25
9. Electronic Circuit Diagram .............................. 27
9.1 Indoor Unit .................................................. 27
9.2 Outdoor Unit ............................................... 29
10. Printed Circuit Board ....................................... 31
10.1 Indoor Unit .................................................. 31
10.2 Outdoor Unit ............................................... 33
11. Installation Instruction ..................................... 36
11.1 Select the Best Location ............................. 36
11.2 Indoor Unit .................................................. 37
11.3 Outdoor Unit ............................................... 42
12. Operation Control ............................................. 45
12.1 Basic Function ............................................ 45
12.2 Indoor Fan Motor Operation ....................... 46
12.3 Outdoor Fan Motor Operation .................... 47
12.4 Airflow Direction .......................................... 47
12.5 Timer Control .............................................. 49
12.6 Random Auto Restart Control .................... 50
12.7 Indication Panel .......................................... 50
12.8 Quiet Operation (Cooling Mode/Cooling Area
of Dry Mode) ............................................... 50
12.9 Quiet Operation (Heating) .......................... 51
12.10 Powerful Mode Operation ........................... 51
13. Protection Control ............................................ 52
13.1 Protection Control For All Operations ......... 52
13.2 Protection Control For Cooling & Soft Dry
Operation .................................................... 54
13.3 Protection Control For Heating Operation .. 55
14. Servicing Mode ................................................. 57
14.1 Auto OFF/ON Button .................................. 57
14.2 Remote Control Button ............................... 58
15. Troubleshooting Guide ....................................59
15.1 Refrigeration Cycle System ........................59
15.2 Relationship Between The Condition Of The
Air Conditioner And Pressure And Electric
Current ........................................................60
15.3 Breakdown Self Diagnosis Function ...........61
15.4 Error Codes Table ......................................62
15.5 Self-diagnosis Method ................................64
16. Disassembly and Assembly Instructions ......92
16.1 Indoor Electronic Controllers, Cross Flow
Fan and Indoor Fan Motor Removal
Procedures .................................................92
16.2 Indoor Electronic Controllers, Cross Flow
Fan and Indoor Fan Motor Removal
Procedures .................................................96
16.3 Outdoor Electronic Controller Removal
Procedure ................................................ 100
17. Technical Data ............................................... 102
17.1 Cool Mode Performance Data ................. 102
17.2 Heat Mode Performance Data ................. 103
18. Service Data ................................................... 104
18.1 Cool Mode Outdoor Air Temperature
Characteristic ........................................... 104
18.2 Heat Mode Outdoor Air Temperature
Characteristic ........................................... 107
18.3 Piping Length Correction Factor .............. 110
19. Exploded View and Replacement Parts List 112
19.1 Indoor Unit ............................................... 112
19.2 Outdoor Unit ............................................ 120
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