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TABLE OF CONTENTS
1.Safety Precautions ............................................. 3
2.Precaution For Using R32 Refrigerant ............. 6
3.Specification ..................................................... 10
4.Features ............................................................. 16
5.Location of Controls and Components .......... 17
5.1Indoor Unit .................................................. 17
5.2Outdoor Unit ............................................... 17
5.3Remote Control .......................................... 17
6.Dimensions ....................................................... 18
6.1Indoor Unit .................................................. 18
6.2Outdoor Unit ............................................... 19
7.Refrigeration Cycle Diagram ........................... 20
8.Block Diagram .................................................. 21
8.1Indoor Power Supply Connection ............... 21
8.2Outdoor Power Supply Connection ............ 22
9.Wiring Connection Diagram ............................ 23
9.1Indoor Unit .................................................. 23
9.2Outdoor Unit ............................................... 24
10.Electronic Circuit Diagram .............................. 25
10.1Indoor Unit .................................................. 25
10.2Outdoor Unit ............................................... 26
11.Printed Circuit Board ....................................... 27
11.1Indoor Unit .................................................. 27
11.2Outdoor Unit ............................................... 29
12.Installation Instruction ..................................... 30
12.1Select The Best Location ........................... 30
12.2Indoor Unit .................................................. 31
12.3Outdoor Unit ............................................... 37
13.Installation and Servicing Air Conditioner
using R32 .......................................................... 41
13.1About R32 Refrigerant ................................ 41
13.2Characteristics of R32 Refrigerant ............. 41
13.3Refrigerant piping installation • Tools used in
services ...................................................... 43
13.4New installation, Relocation, Repairing of
Refrigerant Cycle System The Procedures 47
13.5Piping installation of R32 ............................ 48
13.6Installation, Relocation, and Service .......... 49
13.7Repairing of refrigerant cycle / Brazing point .
.................................................................... 53
13.8<Reference> Analysis method for no error
code, no cooling / no warming .................... 59
14.Operation and Control ..................................... 61
14.1Basic Function ............................................ 61
14.2Indoor Fan Motor Operation ....................... 62
14.3Outdoor Fan Motor Operation .................... 63
14.4Airflow Direction .......................................... 64
14.5Quiet operation (Cooling Mode/Cooling area
of Dry Mode) ............................................... 65
14.6Quiet operation (Heating) ........................... 66
14.7Powerful Mode Operation ...........................66
14.8Timer Control ..............................................67
14.9Auto Restart Control ...................................67
14.10Indication Panel ..........................................67
14.11ECONAVI Operation...................................68
14.12+8/15°C Heat Operation .............................72
15.Protection Control ............................................73
15.1Protection Control For All Operations .........73
15.2Protection Control For Cooling & Soft Dry
Operation ....................................................75
15.3Protection Control For Heating Operation ..76
16.Servicing Mode .................................................78
16.1Auto OFF/ON Button ..................................78
16.2Remote Control Button ...............................79
17.Troubleshooting Guide ....................................82
17.1Refrigeration Cycle System ........................82
17.2Breakdown Self Diagnosis Function ...........84
17.3Error Code Table ........................................85
17.4Self-diagnosis Method ................................87
18.Disassembly and Assembly Instructions ... 115
18.1Indoor Unit ............................................... 115
18.2Outdoor Electronic Controller Removal
Procedure ................................................ 120
19.Technical Data ............................................... 121
19.1Cool Mode Performance Data ................. 121
19.2Heat Mode Performance Data ................. 122
20.Service Data ................................................... 123
20.1Cool Mode Outdoor Air Temperature
Characteristic ........................................... 123
20.2Heat Mode Outdoor Air Temperature
Characteristic ........................................... 125
20.3Piping Length Correction Factor .............. 127
21.Exploded View and Replacement Parts List 128
21.1Indoor Unit ............................................... 128
21.2Outdoor Unit ............................................ 133