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TABLE OF CONTENTS
1. Safety Precautions ............................................. 3
2. Specifications ..................................................... 5
3. Location of Controls and Components .......... 14
3.1 Indoor Unit .................................................. 14
3.2 Outdoor Unit ............................................... 14
3.3 Remote Control .......................................... 14
4. Dimensions ....................................................... 15
4.1 Outdoor Unit ............................................... 15
5. Refrigeration Cycle Diagram ........................... 17
5.1 CU-E9PFE CU-E12PFE ............................ 17
5.2 CU-E18PFE ................................................ 18
6. Block Diagram .................................................. 19
6.1 CU-E9PFE CU-E12PFE ............................ 19
6.2 CU-E18PFE ................................................ 20
7. Wiring Connection Diagram ............................ 21
7.1 Outdoor Unit ............................................... 21
8. Electronic Circuit Diagram .............................. 23
8.1 Outdoor Unit ............................................... 23
9. Printed Circuit Board ....................................... 25
9.1 Outdoor Unit ............................................... 25
10. Installation Instruction ..................................... 28
10.1 Indoor Unit .................................................. 28
10.2 Outdoor Unit ............................................... 36
11. Protection Control ............................................ 40
11.1 Protection Control For All Operations ......... 40
11.2 Protection Control For Cooling & Soft Dry
Operation .................................................... 42
11.3 Protection Control For Heating
Operation .................................................... 43
12. Disassembly and Assembly Instructions ...... 44
12.1 Outdoor Electronic Controller Removal
Procedure ................................................... 44
13. Technical Data .................................................. 47
13.1 Operation Characteristics ........................... 47
13.2 Sensible Capacity Chart ............................. 59
14. Exploded View and Replacement Parts
List ..................................................................... 60
14.1 Outdoor Unit ............................................... 60
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