Table Of Contents - Panasonic CS-XZ7SKEW Service Manual

TABLE OF CONTENTS

1. Safety Precautions ............................................. 4
2. Precaution for Using R32 Refrigerant .............. 6
3. Specifications ................................................... 10
4. Features ............................................................ 18
5. Location of Controls and Components .......... 19
5.1 Indoor Unit .................................................. 19
5.2 Outdoor Unit ............................................... 19
5.3 Remote Control .......................................... 19
6. Dimensions ....................................................... 20
6.1 Indoor Unit .................................................. 20
6.2 Outdoor Unit ............................................... 21
7. Refrigeration Cycle Diagram ........................... 23
7.1 CU-Z7SKE CU-Z9SKE CU-Z12SKE ........ 23
7.2 CU-Z18SKE ................................................ 24
8. Block Diagram .................................................. 25
8.1 CU-Z7SKE CU-Z9SKE .............................. 25
8.2 CU-Z12SKE ................................................ 26
8.3 CU-Z18SKE ................................................ 27
9. Wiring Connection Diagram ............................ 28
9.1 Indoor Unit .................................................. 28
9.2 Outdoor Unit ............................................... 29
10. Electronic Circuit Diagram .............................. 32
10.1 Indoor Unit .................................................. 32
10.2 Outdoor Unit ............................................... 33
11. Printed Circuit Board ....................................... 36
11.1 Indoor Unit .................................................. 36
11.2 Outdoor Unit ............................................... 39
12. Installation Instruction ..................................... 42
12.1 Select the Best Location ............................ 42
12.2 Indoor Unit .................................................. 43
12.3 Outdoor Unit ............................................... 48
13. Installation and Servicing Air Conditioner
using R32 .......................................................... 52
13.1 About R32 Refrigerant ............................... 52
13.2 Characteristics of R32 Refrigerant ............. 52
13.3 Refrigerant piping installation • Tools used
in services .................................................. 54
13.4 New installation, Relocation, Repairing of
Refrigerant Cycle System The
Procedures ................................................. 58
13.5 Piping installation of R32 ............................ 59
13.6 Installation, Relocation, and Service .......... 60
13.7 Repairing of refrigerant cycle / Brazing
point ............................................................ 64
13.8 <Reference> Analysis method for no error
code, no cooling / no warming ................... 70
14. Operation Control ............................................. 72
14.1 Basic Function ............................................ 72
14.2 Indoor Fan Motor Operation ....................... 73
14.3 Outdoor Fan Motor Operation .................... 74
14.4 Airflow Direction ......................................... 75
14.5 Quiet Operation (Cooling Mode/Cooling
Area of Dry Mode) ...................................... 77
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14.6 Quiet Operation (Heating) .......................... 77
14.7 Powerful Mode Operation .......................... 77
14.8 Timer Control .............................................. 78
14.9 Sleep Mode Operation ............................... 78
14.10 Auto Restart Control ................................... 78
14.11 Indication Panel .......................................... 79
14.12 nanoe Operation ......................................... 79
14.13 Mild Dry Cooling Operation ........................ 81
14.14 ECONAVI Operation .................................. 81
15. Operation Control (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
16.2 Protection Control for Cooling & Soft Dry
Operation .................................................... 93
16.3 Protection Control for Heating
Operation .................................................... 94
17. Servicing Mode ................................................. 95
17.1 Auto OFF/ON Button .................................. 95
17.2 Heat Only Operation .................................. 96
17.3 Remote Control Button ............................... 97
18. Troubleshooting Guide .................................... 98
18.1 Refrigeration Cycle System ........................ 98
18.2 Breakdown Self Diagnosis Function ........ 100
18.3 Error Codes Table .................................... 101
18.4 Self-diagnosis Method .............................. 103
19. Disassembly and Assembly Instructions .... 132
19.1 Indoor Electronic Controllers, Cross Flow
Fan and Indoor Fan Motor Removal
Procedures ............................................... 132
19.2 Outdoor Electronic Controller Removal
Procedure ................................................. 139
20. Technical Data ................................................ 142
1.1 Cool Mode Performance Data .................. 142
1.2 Heat Mode Performance Data ................. 144
21. Service Data .................................................... 145
21.1 Cool Mode Outdoor Air Temperature
Characteristic ........................................... 145
21.2 Heat Mode Outdoor Air Temperature
Characteristic ........................................... 149
21.3 Piping Length Correction Factor .............. 153
22. Exploded View and Replacement Parts
List ................................................................... 155
22.1 Indoor Unit ................................................ 155
22.2 Outdoor Unit ............................................. 158
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