Table Of Contents - Panasonic PAPAMY1702034CE Service Manual

TABLE OF CONTENTS

1. Safety Precautions ............................................. 3
2. Precaution for Using R32 Refrigerant .............. 5
3. Specifications ..................................................... 9
3.1 CU-2Z35TBE ................................................ 9
3.2 CU-2Z41TBE .............................................. 11
3.3 CU-2Z50TBE .............................................. 13
4. Dimensions ....................................................... 25
5. Refrigeration Cycle Diagram ........................... 26
6. Block Diagram .................................................. 27
7. Wiring Connection Diagram ............................ 28
8. Electronic Circuit Diagram .............................. 29
9. Printed Circuit Board ....................................... 30
9.1 Main Printed Circuit Board ......................... 30
10. Installation Information .................................... 31
10.1 CU-2Z35TBE CU-2Z41TBE ...................... 31
10.2 CU-2Z50TBE .............................................. 32
11. Installation Instruction ..................................... 33
11.1 Outdoor Unit ............................................... 33
12. Operation Control ............................................. 38
12.1 Cooling Operation ....................................... 38
12.2 Heating Operation ...................................... 39
12.3 Outdoor Quiet Cooling Operation
Control ........................................................ 39
13. Simultaneous Operation Control .................... 41
14. Protection Control ............................................ 42
14.1 Freeze Prevention control (Cool) ............... 42
14.2 Dew Prevention control (Cool) ................... 42
14.3 Electronic Parts Temperature Rise
Protection 1 (Cool) ...................................... 42
14.4 Electronic Parts Temperature Rise
Protection 2 (Cool) ...................................... 42
14.5 Cooling overload control (Cool) .................. 43
14.6 Heating overload control (Heat) ................. 43
14.7 Extreme Low Temperature Compressor
low pressure protection control (Heat) ....... 43
14.8 Deice Control .............................................. 44
14.9 Time Delay Safety Control
(Restart Control) ......................................... 44
14.10 30 seconds Force Operation ...................... 44
14.11 Total Current Control .................................. 44
14.12 IPM (power transistor) Protection
Control ........................................................ 44
14.13 Compressor Protection Control
(Gas leak detection control 1) .................... 44
14.14 Compressor Protection Control
(Gas leak detection control 2) .................... 45
14.15 Valve close detection control ...................... 45
14.16 Compressor discharge high pressure
protection control ........................................ 45
14.17 Compressor discharge high temperature
protection control ........................................ 45
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15. Servicing Mode .................................................46
15.1 Pump down operation.................................46
15.2 Heating only function ..................................46
16. Troubleshooting Guide ....................................47
16.1 Self Diagnosis Function ..............................47
17. Disassembly and Assembly Instructions ......49
17.1 Outdoor Unit Removal Procedure ..............49
18. Technical Data ..................................................51
18.1 Cool Mode Performance Data ....................51
18.2 Heat Mode Performance Data ....................62
19. Service Data ......................................................70
19.1 Operation Characteristics
(CU-2Z35TBE) ............................................70
19.2 Operation Characteristics
(CU-2Z41TBE) ............................................80
19.3 Operation Characteristics
(CU-2Z50TBE) ............................................90
20. Exploded View and Replacement Parts
List .................................................................. 102
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