Table Of Contents - Panasonic CU-Z20TKE Service Manual

TABLE OF CONTENTS

1. Safety Precautions ............................................. 5
2. Precaution for Using R32 Refrigerant .............. 8
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 ............................................... 27
7. Refrigeration Cycle Diagram ........................... 29
7.1 CS-Z20TKEW CU-Z20TKE
CS-Z25TKEW CU-Z25TKE
CS-Z35TKEW CU-Z35TKE
CS-Z42TKEW CU-Z42TKE
CS-XZ20TKEW CU-Z20TKE
CS-XZ25TKEW CU-Z25TKE
CS-XZ35TKEW CU-Z35TKE ..................... 29
7.2 CS-Z50TKEW CU-Z50TKE
CS-Z71TKEW CU-Z71TKE
CS-XZ50TKEW CU-Z50TKE ..................... 30
8. Block Diagram .................................................. 31
8.1 CS-Z20TKEW CU-Z20TKE
CS-XZ20TKEW CU-Z20TKE ..................... 31
8.2 CS-Z25TKEW CU-Z25TKE
CS-Z35TKEW CU-Z35TKE
CS-Z50TKEW CU-Z50TKE
CS-Z71TKEW CU-Z71TKE
CS-XZ25TKEW CU-Z25TKE
CS-XZ35TKEW CU-Z35TKE
CS-XZ50TKEW CU-Z50TKE ..................... 32
8.3 CS-Z42TKEW CU-Z42TKE ........................ 33
9. Wiring Connection Diagram ............................ 34
9.1 Indoor Unit .................................................. 34
9.2 Outdoor Unit ............................................... 35
10. Electronic Circuit Diagram .............................. 38
10.1 Indoor Unit .................................................. 38
10.2 Outdoor Unit ............................................... 39
11. Printed Circuit Board ....................................... 42
11.1 Indoor Unit .................................................. 42
11.2 Outdoor Unit ............................................... 46
12. Installation Instruction ..................................... 49
12.1 Select the Best Location ............................ 49
12.2 Indoor Unit .................................................. 50
12.3 Outdoor Unit ............................................... 57
13. Installation and Servicing Air Conditioner
using R32 .......................................................... 61
13.1 About R32 Refrigerant ............................... 61
13.2 Characteristics of R32 Refrigerant ............. 61
13.3 Refrigerant piping installation • Tools used
in services .................................................. 63
AMP Air Conditioning
PAGE
13.4 New installation, Relocation, Repairing of
Refrigerant Cycle System The
Procedures ................................................. 67
13.5 Piping installation of R32 ............................ 68
13.6 Installation, Relocation, and Service .......... 69
13.7 Repairing of refrigerant cycle / Brazing
point ............................................................ 73
13.8 <Reference> Analysis method for no error
code, no cooling / no warming ................... 79
14. Operation Control ............................................. 81
14.1 Basic Function ............................................ 81
14.2 Indoor Fan Motor Operation ....................... 82
14.3 Outdoor Fan Motor Operation .................... 83
14.4 Airflow Direction ......................................... 84
14.5 Quiet Operation (Cooling Mode/Cooling
Area of Dry Mode) ...................................... 87
14.6 Quiet Operation (Heating) .......................... 87
14.7 Powerful Mode Operation .......................... 87
14.8 Timer Control .............................................. 88
14.9 Sleep Mode Operation ............................... 88
14.10 Auto Restart Control ................................... 88
14.11 Indication Panel .......................................... 89
14.12 nanoe Operation ......................................... 89
14.13 Mild Dry Cooling Operation ........................ 91
14.14 ECONAVI Operation .................................. 91
15. Operation Control (For Multi Split
Connection) ...................................................... 99
15.1 Cooling operation ....................................... 99
15.2 Soft Dry Operation ...................................... 99
15.3 Heating Operation ...................................... 99
15.4 Automatic Operation ................................ 100
15.5 Indoor Fan Motor Operation ..................... 100
15.6 Powerful Mode Operation ........................ 100
15.7 Auto Restart Control ................................. 100
15.8 Indication Panel ........................................ 100
15.9 Mild Dry Cooling Operation ...................... 100
16. Protection Control .......................................... 101
16.1 Protection Control for All Operations ........ 101
16.2 Protection Control for Cooling & Soft Dry
Operation .................................................. 103
16.3 Protection Control for Heating
Operation .................................................. 104
17. Servicing Mode ............................................... 106
17.1 Auto OFF/ON Button ................................ 106
17.2 Heat Only Operation ................................ 107
17.3 Remote Control Button ............................. 108
18. Troubleshooting Guide .................................. 111
18.1 Refrigeration Cycle System ...................... 111
18.2 Breakdown Self Diagnosis Function ........ 113
18.3 Error Codes Table .................................... 114
18.4 Self-diagnosis Method .............................. 116
3
www.ampair.co.uk | sales@ampair.co.uk
PAGE