Panasonic CS-E12QB4RW, Service Manual

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TABLE OF CONTENTS
PAGE PAGE
1. Safety Precautions .............................................3
2. Specifications .....................................................5
3. Features.............................................................11
4. Location of Controls and Components..........12
4.1 Indoor Unit ..................................................12
4.2 Outdoor Unit ...............................................12
4.3 Remote Control ..........................................12
5. Dimensions .......................................................13
5.1 Indoor Unit ..................................................13
5.2 Outdoor Unit ...............................................14
6. Refrigeration Cycle Diagram ...........................15
7. Block Diagram ..................................................16
7.1 CS-E12QB4RW CU-E12QB4R .................16
7.2 CS-E18QB4RW CU-E18QB4R .................17
8. Wiring Connection Diagram ............................18
8.1 Indoor Unit ..................................................18
8.2 Outdoor Unit ...............................................19
9. Electronic Circuit Diagram ..............................21
9.1 Indoor Unit ..................................................21
9.2 Outdoor Unit ...............................................22
10. Printed Circuit Board .......................................24
10.1 Indoor Unit ..................................................24
10.2 Outdoor Unit ...............................................26
11. Installation Instruction.....................................29
11.1 Indoor Unit ..................................................29
11.2 Outdoor Unit ...............................................35
12. Operation Control.............................................40
12.1 Basic Function ............................................40
12.2 Indoor Fan Motor Operation .......................41
12.3 Outdoor Fan Motor Operation ....................42
12.4 Airflow Direction..........................................43
12.5 Quiet Operation (Cooling Mode/Cooling
Area of Dry Mode) ......................................43
12.6 Quiet Operation (Heating) ..........................44
12.7 Powerful Mode Operation...........................44
12.8 Timer Control..............................................44
12.9 Auto Restart Control...................................45
12.10 Indication Panel ..........................................45
12.11 Drain Pump Control Operation ...................45
13. Protection Control............................................46
13.1 Protection Control For All Operations.........46
13.2 Protection Control For Cooling & Soft
Dry Operation .............................................48
13.3 Protection Control For Heating
Operation....................................................49
14. Servicing Mode .................................................51
14.1 Auto OFF/ON Button ..................................51
14.2 Remote Control Button...............................52
14.3 Outdoor PCB Test Run Operation
(For Pump Down/Servicing Purpose)........ 53
15. Troubleshooting Guide................................... 55
15.1 Refrigeration Cycle System....................... 55
15.2 Breakdown Self Diagnosis Function.......... 57
15.3 Error Codes Table ..................................... 58
15.4 Self-diagnosis Method............................... 60
16. Disassembly and Assembly Instructions ..... 84
16.1 Disassembly of Parts................................. 84
16.2 Outdoor Electronic Controller Removal
Procedure .................................................. 87
17. Technical Data ................................................. 89
17.1 Cool Mode Performance Data................... 89
17.2 Heat Mode Performance Data................... 90
18. Service Data ..................................................... 91
18.1 Cool Mode Outdoor Air Temperature
Characteristic............................................. 91
18.2 Heat Mode Outdoor Air Temperature
Characteristic............................................. 93
18.3 Piping Length Correction Factor................ 95
19. Exploded View and Replacement Parts
List .................................................................... 97
19.1 Indoor Unit ................................................. 97
19.2 CZ-BT20E (Front Grille Complete).......... 101
19.3 Outdoor Unit ............................................ 103