Table Of Contents - Panasonic CU-Z20VKE Series Installation Instruction

TABLE OF CONTENTS

1. Safety Precautions ............................................. 5
2. Precaution for Using R32 Refrigerant .............. 8
3. Specifications ................................................... 12
4. Features ............................................................ 25
5. Location of Controls and Components .......... 26
5.1 Indoor Unit .................................................. 26
5.2 Outdoor Unit ............................................... 26
5.3 Remote Control .......................................... 26
6. Dimensions ....................................................... 27
6.1 Indoor Unit .................................................. 27
6.2 Outdoor Unit ............................................... 29
7. Refrigeration Cycle Diagram ........................... 31
7.1 CS-Z20VKEW CU-Z20VKE
CS-Z25VKEW CU-Z25VKE
CS-Z35VKEW CU-Z35VKE
CS-Z42VKEW CU-Z42VKE
CS-XZ20VKEW CU-Z20VKE
CS-XZ25VKEW CU-Z25VKE
CS-XZ35VKEW CU-Z35VKE ..................... 31
7.2 CS-Z50VKEW CU-Z50VKE
CS-Z71VKEW CU-Z71VKE
CS-XZ50VKEW CU-Z50VKE ..................... 32
8. Block Diagram .................................................. 33
8.1 CS-Z20VKEW CU-Z20VKE
CS-XZ20VKEW CU-Z20VKE ..................... 33
8.2 CS-Z25VKEW CU-Z25VKE
CS-Z35VKEW CU-Z35VKE
CS-Z42VKEW CU-Z42VKE
CS-XZ25VKEW CU-Z25VKE
CS-XZ35VKEW CU-Z35VKE ..................... 34
8.3 CS-Z50VKEW CU-Z50VKE
CS-Z71VKEW CU-Z71VKE ....................... 35
9. Wiring Connection Diagram ............................ 36
9.1 Indoor Unit .................................................. 36
9.2 Outdoor Unit ............................................... 37
10. Electronic Circuit Diagram .............................. 39
10.1 Indoor Unit .................................................. 39
10.2 Outdoor Unit ............................................... 40
11. Printed Circuit Board ....................................... 42
11.1 Indoor Unit .................................................. 42
11.2 Outdoor Unit ............................................... 45
12. Installation Instruction ..................................... 48
12.1 Select the Best Location ............................ 48
12.2 Indoor Unit .................................................. 49
13. Installation and Servicing Air Conditioner
using R32 .......................................................... 58
13.1 About R32 Refrigerant ............................... 58
13.2 Characteristics of R32 Refrigerant ............. 58
13.3 Refrigerant piping installation • Tools used
in services .................................................. 60
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13.4 New installation, Relocation, Repairing of
Refrigerant Cycle System The
Procedures ................................................. 64
13.5 Piping installation of R32 ............................ 65
13.6 Installation, Relocation, and Service .......... 66
13.7 Repairing of refrigerant cycle / Brazing
point ............................................................ 70
13.8 <Reference> Analysis method for no error
code, no cooling / no warming ................... 76
14. Operation Control ............................................. 78
14.1 Basic Function ............................................ 78
14.2 Indoor Fan Motor Operation ....................... 79
14.3 Outdoor Fan Motor Operation .................... 80
14.4 Airflow Direction ......................................... 81
14.5 Quiet Operation (Cooling Mode/Cooling
Area of Dry Mode) ...................................... 84
14.6 Quiet Operation (Heating) .......................... 84
14.7 Powerful Mode Operation .......................... 84
14.8 Timer Control .............................................. 85
14.9 Sleep Mode Operation ............................... 85
14.10 Auto Restart Control ................................... 86
14.11 Indication Panel .......................................... 87
14.12 nanoe
14.13 Mild Dry Cooling Operation ........................ 89
14.14 Wireless LAN Control ................................. 89
15. Operation Control (For Multi Split
Connection) ...................................................... 92
15.1 Cooling operation ....................................... 92
15.2 Soft Dry Operation ...................................... 92
15.3 Heating Operation ...................................... 92
15.4 Automatic Operation .................................. 93
15.5 Indoor Fan Motor Operation ....................... 93
15.6 Powerful Mode Operation .......................... 93
15.7 Auto Restart Control ................................... 93
15.8 Indication Panel .......................................... 93
15.9 Mild Dry Cooling Operation ........................ 93
16. Protection Control ............................................ 94
16.1 Protection Control for All Operations .......... 94
16.2 Protection Control for Cooling & Soft Dry
Operation .................................................... 96
16.3 Protection Control for Heating
Operation .................................................... 97
17. Servicing Mode ................................................. 99
17.1 Auto OFF/ON Button .................................. 99
17.2 Heat Only Operation ................................ 100
17.3 Remote Control Button ............................. 102
18. Troubleshooting Guide .................................. 108
18.1 Refrigeration Cycle System ...................... 108
18.2 Breakdown Self Diagnosis Function ........ 110
18.3 Error Codes Table .................................... 111
18.4 Self-diagnosis Method .............................. 113
19. Disassembly and Assembly Instructions .... 141
19.1 CS-Z20VKEW CS-Z25VKEW
CS-Z35VKEW CS-Z42VKEW
CS-XZ20VKEW CS-XZ25VKEW
CS-XZ35VKEW ........................................ 141
3
TM
X Operation .................................. 87
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