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TABLE OF CONTENTS
PAGE PAGE
1. Safety Precautions ............................................. 3
2. Precaution For Using R32 Refrigerant ............. 6
3. Specification ..................................................... 10
4. Features ............................................................. 16
5. Location of Controls and Components .......... 17
5.1 Indoor Unit .................................................. 17
5.2 Outdoor Unit ............................................... 17
5.3 Remote Control .......................................... 18
6. Dimensions ....................................................... 19
6.1 Indoor Unit and Remote Control ................. 19
6.2 Outdoor Unit ............................................... 20
7. Refrigeration Cycle Diagram ........................... 21
7.1 Refrigerant Flow ......................................... 22
7.2 Deice Operation Flow ................................. 23
8. Block Diagram .................................................. 25
9. Wiring Connection Diagram ............................ 26
9.1 Indoor Unit .................................................. 26
9.2 Outdoor Unit ............................................... 27
10. Electronic Circuit Diagram .............................. 28
10.1 Indoor Unit .................................................. 28
10.2 Outdoor U nit .............................................. 29
11. Printed Circuit Board ....................................... 30
11.1 Indoor Unit .................................................. 30
11.2 Outdoor Unit ............................................... 32
12. Installation Instruction ..................................... 33
12.1 Select The Best Location ........................... 33
12.2 Indoor Unit .................................................. 34
12.3 Outdoor Unit ............................................... 38
13. Installation and Servicing Air Conditioner
using R32 .......................................................... 41
13.1 About R32 Refrigerant ................................ 41
13.2 Characteristics of R32 Refrigerant ............. 41
13.3 Refrigerant piping installation • Tools used in
services ...................................................... 43
13.4 New installation, Relocation, Repairing of
Refrigerant Cycle System The Procedures 47
13.5 Piping installation of R32 ............................ 48
13.6 Installation, Relocation, and Service .......... 49
13.7 Repairing of refrigerant cycle / Brazing point .
.................................................................... 53
13.8 <Reference> Analysis method for no error
code, no cooling / no warming .................... 59
14. Operation Control ............................................. 61
14.1 Basic Function ............................................ 61
14.2 Indoor Fan Motor Operation ....................... 63
14.3 Outdoor Fan Motor Operation .................... 65
14.4 Airflow Direction .......................................... 66
14.5 Quiet Operation .......................................... 69
14.6 Powerful Mode Operation ........................... 69
14.7 Timer Control ..............................................70
14.8 Auto Restart Control ...................................71
14.9 Menu Function ............................................72
14.10 Info Function ...............................................73
14.11 Indication Panel ..........................................73
14.12 nanoe Operation .........................................74
14.13 ODOR CLEANUP .......................................75
14.14 +8/10°C Operation ......................................76
14.15 Pre Heating Operation ................................77
14.16 AUTO COMFORT and ECONAVI Operation .
....................................................................78
15. Protection Control ............................................86
15.1 Protection Control for All Operations ..........86
15.2 Protection Control for Cooling and Dry
Operation ....................................................88
15.3 Protection Control for Heating Operation ...89
16. Servicing Mode .................................................94
16.1 Auto OFF/ON Button (Indoor Unit) .............94
16.2 Remote Control Button ...............................96
17. Troubleshooting Guide ....................................97
17.1 Refrigeration Cycle System ........................97
17.2 Breakdown Self Diagnosis Function ...........99
17.3 Self Diagnosis Functions and Points of
Diagnosis ................................................. 101
17.4 Self-diagnosis Method ............................. 106
18. Disassembly and Assembly Instructions ... 135
18.1 Points of Disassembly (Indoor Unit) ........ 135
18.2 Vertical Airflow Direction Louver ............. 151
18.3 Points of Disassembly (Outdoor Unit) ..... 155
19. Technical Data ............................................... 168
19.1 Cool Mode Performance Data ................. 168
19.2 Heat Mode Performance Data ................. 169
20. Service Data ................................................... 170
20.1 Cool Mode Outdoor Air Temperature
Characteristic...................................................... 170
20.2 Heat Mode Outdoor Air Temperature
Characteristic...................................................... 172
20.3 Piping Length Correction Factor .............. 174
21. Exploded View and Replacement Parts List 176
21.1 Indoor Unit ............................................... 176
21.2 Outdoor Unit ............................................ 179
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