Table Of Contents - Panasonic CS-DZ50VKE Service Manual

TABLE OF CONTENTS

1. Safety Precautions ............................................. 3
2. Precaution for Using R32 Refrigerant .............. 6
3. Specifications ................................................... 11
4. Features ............................................................. 29
5. Location of Controls and Components .......... 30
5.1 Indoor Unit .................................................. 30
5.2 Outdoor Unit ............................................... 30
5.3 Remote Control .......................................... 30
6. Dimensions ....................................................... 31
6.1 Indoor Unit & Remote Control .................... 31
6.2 Outdoor Unit ............................................... 33
7. Refrigeration Cycle Diagram ........................... 35
8. Block Diagram .................................................. 36
8.1 CS-DZ25VKE CU-DZ25VKE
CS-DZ35VKE CU-DZ35VKE
CS-PZ25VKE CU-PZ25VKE
CS-PZ35VKE CU-PZ35VKE
CS-UZ25VKE CU-UZ25VKE
CS-UZ35VKE CU-UZ35VKE ..................... 36
8.2 CS-DZ50VKE CU-DZ50VKE
CS-PZ50VKE CU-PZ50VKE
CS-UZ50VKE CU-UZ50VKE ..................... 37
9. Wiring Connection Diagram ............................ 38
9.1 Indoor Unit .................................................. 38
9.2 Outdoor Unit ............................................... 40
10. Electronic Circuit Diagram .............................. 42
10.1 Indoor Unit .................................................. 42
10.2 Outdoor Unit ............................................... 44
11. Printed Circuit Board ....................................... 46
11.1 Indoor Unit .................................................. 46
11.2 Outdoor Unit ............................................... 49
12. Installation Instruction ..................................... 51
12.1 Select the Best Location ............................. 51
12.2 Indoor Unit .................................................. 52
12.3 Outdoor Unit ............................................... 57
13. Installation and Servicing Air Conditioner
using R32 .......................................................... 62
13.1 About R32 Refrigerant ................................ 62
13.2 Characteristics of R32 Refrigerant ............. 62
13.3 Refrigerant piping installation • Tools used
in services ................................................... 64
13.4 New installation, Relocation,
Repairing of Refrigerant Cycle System
The Procedures .......................................... 68
13.5 Piping installation of R32 ............................ 69
13.6 Installation, Relocation, and Service .......... 70
13.7 Repairing of refrigerant cycle /
Brazing point ............................................... 74
13.8 <Reference> Analysis method for no error
code, no cooling / no warming .................... 80
 Specifications, designs and contents in this Service Manual are subject to change without notice.
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14. Operation Control .............................................82
14.1 Basic Function ............................................82
14.2 Indoor Fan Motor Operation .......................83
14.3 Outdoor Fan Motor Operation ....................84
14.4 Airflow Direction ..........................................84
14.5 Timer Control ..............................................86
14.6 Sleep Mode Operation ...............................87
14.7 Random Auto Restart Control ....................88
14.8 Indication Panel ..........................................88
14.9 Quiet Operation (Cooling Mode/Cooling
Area of Dry Mode) ......................................88
14.10 Quiet Operation (Heating) ..........................89
14.11 Powerful Mode Operation ...........................89
15. Protection Control ............................................90
15.1 Protection Control for All Operations ..........90
15.2 Protection Control for Cooling & Soft Dry
Operation ....................................................92
15.3 Protection Control for Heating Operation ...93
16. Servicing Mode .................................................95
16.1 Auto OFF/ON Button ..................................95
16.2 Heat Only Operation ...................................96
16.3 Remote Control Button ...............................97
17. Troubleshooting Guide ................................. 100
17.1 Refrigeration Cycle System ..................... 100
17.2 Relationship Between the Condition of the
Air Conditioner and Pressure and Electric
Current ..................................................... 101
17.3 Breakdown Self Diagnosis Function ........ 102
17.4 Error Codes Table ................................... 103
17.5 Self-diagnosis Method ............................. 105
18. Disassembly and Assembly Instructions ... 133
18.1 CS-DZ25VKE CS-DZ35VKE
CS-PZ25VKE CS-PZ35VKE
CS-UZ25VKE CS-UZ35VKE .................. 133
18.2 CS-DZ50VKE CS-PZ50VKE
CS-UZ50VKE .......................................... 138
18.3 Outdoor Electronic Controller Removal
Procedure ................................................ 143
19. Technical Data ............................................... 145
19.1 Cool Mode Performance Data ................. 145
19.2 Heat Mode Performance Data ................. 147
20. Service Data ................................................... 149
20.1 Cool Mode Outdoor Air Temperature
Characteristic ........................................... 149
20.2 Heat Mode Outdoor Air Temperature
Characteristic ........................................... 155
20.3 Piping Length Correction Factor .............. 161
21. Exploded View and Replacement Parts
List .................................................................. 163
21.1 Indoor Unit ............................................... 163
21.2 Outdoor Unit ............................................ 169
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