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TABLE OF CONTENTS
PAGE PAGE
1.Safety Precautions.............................................5
2.Precaution for Using R32 Refrigerant..............8
3.Specifications ...................................................12
4.Features ............................................................23
5.Location of Controls and Components..........24
5.1Indoor Unit..................................................24
5.2Outdoor Unit ...............................................24
5.3Remote Control ..........................................24
6.Dimensions .......................................................25
6.1Indoor Unit..................................................25
6.2Outdoor Unit ...............................................27
7.Refrigeration Cycle Diagram...........................29
7.1CS-Z20TKEW CU-Z20TKE
CS-Z25TKEW CU-Z25TKE
CS-Z35TKEW CU-Z35TKE
CS-Z42TKEW CU-Z42TKE
CS-XZ20TKEW CU-Z20TKE
CS-XZ25TKEW CU-Z25TKE
CS-XZ35TKEW CU-Z35TKE .....................29
7.2CS-Z50TKEW CU-Z50TKE
CS-Z71TKEW CU-Z71TKE
CS-XZ50TKEW CU-Z50TKE .....................30
8.Block Diagram ..................................................31
8.1CS-Z20TKEW CU-Z20TKE
CS-XZ20TKEW CU-Z20TKE .....................31
8.2CS-Z25TKEW CU-Z25TKE
CS-Z35TKEW CU-Z35TKE
CS-Z50TKEW CU-Z50TKE
CS-Z71TKEW CU-Z71TKE
CS-XZ25TKEW CU-Z25TKE
CS-XZ35TKEW CU-Z35TKE
CS-XZ50TKEW CU-Z50TKE .....................32
8.3CS-Z42TKEW CU-Z42TKE........................33
9.Wiring Connection Diagram............................34
9.1Indoor Unit..................................................34
9.2Outdoor Unit ...............................................35
10.Electronic Circuit Diagram ..............................38
10.1Indoor Unit..................................................38
10.2Outdoor Unit ...............................................39
11.Printed Circuit Board .......................................42
11.1Indoor Unit..................................................42
11.2Outdoor Unit ...............................................46
12.Installation Instruction.....................................49
12.1Select the Best Location ............................49
12.2Indoor Unit..................................................50
12.3Outdoor Unit ...............................................57
13.Installation and Servicing Air Conditioner
using R32 ..........................................................61
13.1About R32 Refrigerant ...............................61
13.2Characteristics of R32 Refrigerant .............61
13.3Refrigerant piping installation • Tools used
in services ..................................................63
13.4New installation, Relocation, Repairing of
Refrigerant Cycle System The
Procedures .................................................67
13.5Piping installation of R32............................68
13.6Installation, Relocation, and Service..........69
13.7Repairing of refrigerant cycle / Brazing
point............................................................73
13.8<Reference> Analysis method for no error
code, no cooling / no warming ...................79
14.Operation Control.............................................81
14.1Basic Function............................................81
14.2Indoor Fan Motor Operation.......................82
14.3Outdoor Fan Motor Operation ....................83
14.4Airflow Direction .........................................84
14.5Quiet Operation (Cooling Mode/Cooling
Area of Dry Mode) ......................................87
14.6Quiet Operation (Heating) ..........................87
14.7Powerful Mode Operation ..........................87
14.8Timer Control..............................................88
14.9Sleep Mode Operation ...............................88
14.10Auto Restart Control...................................88
14.11Indication Panel..........................................89
14.12nanoe Operation.........................................89
14.13Mild Dry Cooling Operation ........................91
14.14ECONAVI Operation ..................................91
15.Operation Control (For Multi Split
Connection) ......................................................99
15.1Cooling operation .......................................99
15.2Soft Dry Operation......................................99
15.3Heating Operation ......................................99
15.4Automatic Operation ................................100
15.5Indoor Fan Motor Operation.....................100
15.6Powerful Mode Operation ........................100
15.7Auto Restart Control.................................100
15.8Indication Panel........................................100
15.9Mild Dry Cooling Operation ......................100
16.Protection Control..........................................101
16.1Protection Control for All Operations........101
16.2Protection Control for Cooling & Soft Dry
Operation..................................................103
16.3Protection Control for Heating
Operation..................................................104
17.Servicing Mode...............................................106
17.1Auto OFF/ON Button................................106
17.2Heat Only Operation ................................107
17.3Remote Control Button.............................108
18.Troubleshooting Guide..................................111
18.1Refrigeration Cycle System......................111
18.2Breakdown Self Diagnosis Function ........113
18.3Error Codes Table....................................114
18.4Self-diagnosis Method..............................116