Table of Contents
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TABLE OF CONTENTS
1. Safety Precautions ............................................. 4
2. Precaution for Using R32 Refrigerant .............. 7
3. Specifications ................................................... 12
4. Features ............................................................ 23
5. Location of Controls and Components .......... 24
5.1
Indoor Unit .................................................. 24
5.2
Outdoor Unit ............................................... 24
5.3
Remote Control .......................................... 24
6. Dimensions ....................................................... 25
6.1
Indoor Unit .................................................. 25
6.2
Outdoor Unit ............................................... 26
7. Refrigeration Cycle Diagram ........................... 27
8. Block Diagram .................................................. 28
8.1
CS-XZ25XKEW-H CU-Z25XKE ................ 28
8.2
CS-XZ35XKEW-H CU-Z35XKE ................ 29
9. Wiring Connection Diagram ............................ 30
9.1
Indoor Unit .................................................. 30
9.2
Outdoor Unit ............................................... 31
10. Electronic Circuit Diagram .............................. 33
10.1
Indoor Unit .................................................. 33
10.2
Outdoor Unit ............................................... 34
11. Printed Circuit Board ....................................... 36
11.1
Indoor Unit .................................................. 36
11.2
Outdoor Unit ............................................... 38
12. Installation Instruction ..................................... 40
12.1
Select the Best Location ............................ 40
12.2
Indoor Unit .................................................. 41
12.3
Select the Best Location ............................ 51
12.4
Outdoor Unit ............................................... 52
using R32 .......................................................... 56
13.1
About R32 Refrigerant ............................... 56
13.2
Characteristics of R32 Refrigerant ............. 56
in services .................................................. 58
The Procedures .......................................... 62
13.5
Piping installation of R32 ............................ 63
13.6
Installation, Relocation, and Service .......... 64
Brazing point .............................................. 68
code, no cooling / no warming ................... 74
14. Operation Control ............................................. 76
14.1
Basic Function ............................................ 76
14.2
Indoor Fan Motor Operation ....................... 77
14.3
Outdoor Fan Motor Operation .................... 78
14.4
Airflow Direction ......................................... 79
Area of Dry Mode) ...................................... 81
Specifications, designs and contents in this Service Manual are subject to change without notice.
PAGE
14.6
Quiet Operation (Heating) .......................... 81
14.7
Powerful Mode Operation .......................... 82
14.8
Timer Control .............................................. 82
14.9
Sleep Mode Operation ............................... 82
14.10 Auto Restart Control ................................... 83
14.11 Indication Panel .......................................... 84
14.13 Mild Dry Cooling Operation ........................ 86
14.14 Wireless LAN Control ................................. 86
(For Multi Split Connection) ............................ 89
15.1
Cooling operation ....................................... 89
15.2
Soft Dry Operation ...................................... 89
15.3
Heating Operation ...................................... 89
15.4
Automatic Operation .................................. 90
15.5
Indoor Fan Motor Operation ....................... 90
15.6
Powerful Mode Operation .......................... 90
15.7
Auto Restart Control ................................... 90
15.8
Indication Panel .......................................... 90
15.9
Mild Dry Cooling Operation ........................ 90
16. Protection Control ............................................ 91
16.1
Protection Control for All Operations .......... 91
Operation .................................................... 93
16.3
17. Servicing Mode ................................................. 96
17.1
Auto OFF/ON Button .................................. 96
17.2
Heat Only Operation .................................. 97
17.3
Remote Control Button ............................... 99
18. Troubleshooting Guide .................................. 107
18.1
Refrigeration Cycle System ...................... 107
18.2
Breakdown Self Diagnosis Function ........ 109
18.3
Error Codes Table .................................... 110
18.4
Self-diagnosis Method .............................. 112
Removal Procedures ................................ 143
Procedure ................................................. 150
Panasonic Comfort Cloud ........................ 151
20. Technical Data ................................................ 152
20.1
Cool Mode Performance Data .................. 152
20.2
Heat Mode Performance Data ................. 153
21. Service Data .................................................... 154
Characteristic ........................................... 154
Characteristic ........................................... 157
21.3
Piping Length Correction Factor .............. 160
List ................................................................... 161
22.1
Indoor Unit ................................................ 161
22.2
Outdoor Unit ............................................. 166
3
X Operation .................................. 84
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