Table of Contents
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TABLE OF CONTENTS
1. Safety Precautions ............................................. 4
2. Precaution for Using R32 Refrigerant .............. 6
3. Specification ..................................................... 11
4. Features ............................................................. 30
5. Location of Controls and Components .......... 31
5.1
Indoor Unit .................................................. 31
5.2
Outdoor Unit ............................................... 31
5.3
Remote Control .......................................... 31
6. Dimensions ....................................................... 32
6.1
Indoor Unit .................................................. 32
6.2
Outdoor Unit ............................................... 33
7. Refrigeration Cycle Diagram ........................... 35
7.1
CS-RZ35WKRW CU-RZ35WKR ............... 35
7.2
CS-RZ50WKRW CU-RZ50WKR ............... 36
8. Block Diagram .................................................. 37
8.1
CS-RZ42WKRW CU-RZ42WKR ............... 37
8.2
CS-RZ35WKRW CU-RZ35WKR ............... 38
8.3
CS-RZ50WKRW CU-RZ50WKR ............... 39
9. Wiring Connection Diagram ............................ 40
9.1
Indoor Unit .................................................. 40
9.2
Outdoor Unit ............................................... 41
10. Electronic Circuit Diagram .............................. 44
10.1
Indoor Unit .................................................. 44
10.2
Outdoor Unit ............................................... 45
11. Printed Circuit Board ....................................... 48
11.1
Indoor Unit .................................................. 48
11.2
Outdoor Unit ............................................... 50
12. Installation Instruction ..................................... 54
12.1
Select the Best Location ............................. 54
12.2
Indoor Unit .................................................. 55
12.3
Select the Best Location ............................. 62
12.4
Outdoor Unit ............................................... 63
Manual ........................................................ 67
using R32 .......................................................... 72
13.1
About R32 Refrigerant ................................ 72
13.2
Characteristics of R32 Refrigerant ............. 72
in services ................................................... 74
The Procedures .......................................... 78
13.5
Piping installation of R32 ............................ 79
13.6
Installation, Relocation, and Service .......... 80
Brazing point ............................................... 84
code, no cooling / no warming .................... 90
PAGE
14. Operation and Control .....................................92
14.1
Basic Function ............................................92
14.2
Indoor Fan Motor Operation .......................94
14.3
Outdoor Fan Motor Operation ....................95
14.4
Airflow Direction ..........................................95
14.5
Timer Control ..............................................97
14.6
Auto Restart Control ...................................97
14.7
Indication Panel ..........................................97
Area of Dry Mode) ......................................98
14.9
Quiet Operation (Heating) ..........................98
14.10 Powerful Mode Operation ...........................98
14.11 ECO Operation ...........................................99
14.12 Sleep Mode Operation ............................ 100
14.13 HA Terminal (HAJEM-A) ......................... 101
14.14 Demand Control ...................................... 102
14.15 Pump down Operation by CN-S .............. 102
(For Multi Split Connection) ......................... 103
15.1
Cooling Operation .................................... 103
15.2
Soft Dry Operation ................................... 103
15.3
Heating Operation ................................... 103
15.4
Automatic Operation ................................ 104
15.5
Indoor Fan Motor Operation .................... 104
15.6
Powerful Mode Operation ........................ 104
15.7
Auto Restart Control ................................ 104
15.8
Indication Panel ....................................... 104
16. Protection Control ......................................... 105
16.1
Protection Control for All Operations ....... 105
Operation ................................................. 107
Operation ................................................. 108
17. Servicing Mode .............................................. 110
17.1
Auto OFF/ON Button ............................... 110
17.2
Heat Only Operation ................................ 111
17.3
Cool Only Operation ................................ 111
17.4
Remote Control Button ............................ 113
18. Troubleshooting Guide ................................. 120
18.1
Refrigeration Cycle System ..................... 120
18.2
Breakdown Self Diagnosis Function ........ 122
18.3
Error Code Table ..................................... 123
18.4
Self-diagnosis Method ............................. 125
Removal Procedures ............................... 152
Procedure ................................................ 157
20. Technical Data ............................................... 159
Capacity Chart ......................................... 159
20.2
Heat Mode Performance Data ................. 163
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