Panasonic CS-S12MKQ, Service Manual

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TABLE OF CONTENTS
1. Safety Precautions .............................................3
2. Specification .......................................................5
3. Location of Controls and Components..........11
3.1 Indoor Unit ..................................................11
3.2 Outdoor Unit ...............................................11
3.3 Remote Control ..........................................11
4. Dimensions .......................................................12
4.1 Indoor Unit ..................................................12
4.2 Outdoor Unit ...............................................14
5. Refrigeration Cycle Diagram ...........................17
5.1 CS-S9MKQ CU-S9MKQ
CS-S12MKQ CU-S12MKQ.........................17
5.2 CS-S18MKQ CU-S18MKQ
CS-S24MKQ CU-S24MKQ
CS-S28MKQ CU-S28MKQ.........................18
6. Block Diagram ..................................................19
6.1 CS-S9MKQ CU-S9MKQ.............................19
6.2 CS-S12MKQ CU-S12MKQ.........................20
6.3 CS-S18MKQ CU-S18MKQ
CS-S24MKQ CU-S24MKQ.........................21
6.4 CS-S28MKQ CU-S28MKQ.........................22
7. Wiring Connection Diagram ............................23
7.1 Indoor Unit ..................................................23
7.2 Outdoor Unit ...............................................26
8. Electronic Circuit Diagram ..............................30
8.1 Indoor Unit ..................................................30
8.2 Outdoor Unit ...............................................33
9. Printed Circuit Board .......................................37
9.1 Indoor Unit ..................................................37
9.2 Outdoor Unit ...............................................41
10. Installation Instruction.....................................46
10.1 Select The Best Location ...........................46
10.2 Outdoor Unit ...............................................51
11. Installation Instruction.....................................54
11.1 Select The Best Location ...........................54
11.2 Outdoor Unit ...............................................59
12. Operation Control.............................................62
12.1 Basic Function ............................................62
12.2 Indoor Fan Motor Operation .......................63
12.3 Outdoor Fan Motor Operation
(For S9/12/18MK) .......................................63
12.4 Outdoor Fan Motor Operation
(For S24/28MK) ..........................................63
12.5 Airflow Direction..........................................64
12.6 Quiet Operation (Cooling Mode/Cooling Area
of Dry Mode)...............................................65
12.7 Powerful Mode Operation...........................65
12.8 Timer Control..............................................66
12.9 Random Auto Restart Control ....................66
12.10 Indication Panel ..........................................66
12.11 Patrol Operation .........................................67
12.12 E-ion Operation ......................................... 71
12.13 Mild Dry Cooling Operation ....................... 73
12.14 AUTO COMFORT and ECO NAVI Operation
................................................................... 74
13. Protection Control........................................... 79
13.1 Restart Control (Time Delay Safety Control)..
................................................................... 79
13.2 30 Seconds Forced Operation .................. 79
13.3 Total Running Current Control .................. 79
13.4 IPM (Power Transistor) Prevention Control79
13.5 Compressor Overheating Prevention Control
(For S18, S24MK, S28MK only) ................ 80
13.6 Low Pressure Prevention Control (Gas
Leakage Detection) ................................... 80
13.7 Compressor Tank Temperature Rise
Protection Control...................................... 80
13.8 Low Frequency Protection Control 1 ......... 80
13.9 Low Frequency Protection Control 2 ......... 81
13.10 Outdoor Air Temperature Control.............. 81
13.11 Cooling Overload Control .......................... 81
13.12 Freeze Prevention Control ........................ 81
13.13 Freeze Prevention Control 2 ..................... 81
13.14 Dew Prevention Control ............................ 81
13.15 Odor Cut Control ....................................... 82
14. Servicing Mode ................................................ 83
14.1 Auto Off/On Button .................................... 83
14.2 Remote Control Button.............................. 84
15. Troubleshooting Guide................................... 85
15.1 Refrigeration Cycle System....................... 85
15.2 Breakdown Self Diagnosis Function.......... 87
15.3 Error Code Table ....................................... 88
15.4 Troubleshooting Flowchart ........................ 89
16. Disassembly and Assembly Instructions ... 114
16.1 CS-S9MK CS-S12MK............................. 114
16.2 CS-S18MK CS-S24MK CS-S28MK ...... 118
17. Technical Data ............................................... 122
17.1 Operation Characteristics........................ 122
18. Exploded View and Replacement Parts List132
18.1 Indoor Unit ............................................... 132
18.2 Outdoor Unit ............................................ 138