Panasonic WH-SDC12F6E5, Service Manual

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TABLE OF CONTENTS
1. Safety Precautions .............................................3
2. Specifications .....................................................5
2.1 WH-SDC12F6E5 WH-UD12FE5 ...................5
2.2 WH-SDC14F6E5 WH-UD14FE5 ...................8
2.3 WH-SDC16F6E5 WH-UD16FE5 .................11
3. Features.............................................................14
4. Location of Controls and Components..........15
4.1 Indoor Unit ...................................................15
4.2 Outdoor Unit.................................................24
5. Dimensions .......................................................25
5.1 Indoor Unit ...................................................25
5.2 Outdoor Unit.................................................26
6. Refrigeration and Water Cycle Diagram ........27
7. Block Diagram ..................................................29
8. Wiring Connection Diagram ............................30
8.1 Indoor Unit ...................................................30
8.2 Outdoor Unit.................................................31
9. Electronic Circuit Diagram ..............................32
9.1 Indoor Unit ...................................................32
9.2 Outdoor Unit.................................................33
10. Printed Circuit Board .......................................34
10.1 Indoor Unit ...................................................34
10.2 Outdoor Unit.................................................36
11. Installation Instruction.....................................38
11.1 Select the Best Location ..............................38
11.2 Indoor/Outdoor Unit Installation Diagram ....38
11.3 Indoor Unit ...................................................39
11.4 Outdoor Unit.................................................44
12. Installation Instruction.....................................48
12.1 Select the Best Location ..............................48
12.2 Indoor/Outdoor Unit Installation Diagram ....48
12.3 Indoor Unit ...................................................49
12.4 Outdoor Unit.................................................54
13. Operation and Control .....................................58
13.1 Basic Function .............................................58
13.2 Water Pump .................................................79
13.3 Pump Down Operation [Service Mode: 01] .81
13.4 Flow Switch..................................................81
13.5 Indoor Unit Safety ........................................82
13.6 Auto Restart Control ....................................82
13.7 Indication Panel ...........................................82
13.8 Indoor Back-Up Heater Control ...................83
13.9 Tank Booster Heater Control .......................84
13.10 Base Pan Heater Control (Optional) ............84
13.11 Sterilization Mode ........................................85
13.12 Quiet Operation............................................85
13.13 Anti Freeze Control......................................86
13.14 Solar Operation (Optional)...........................87
13.15 External Room Thermostat Control (Optional)
....................................................................91
13.16 Three Ways Valve Control...........................92
13.17 Two Ways Valve Control............................. 92
13.18 External OFF/ON Control ........................... 93
13.19 Holiday Mode .............................................. 94
13.20 Dry Concrete Function................................ 94
14. Protection Control........................................... 95
14.1 Protection Control for All Operations .......... 95
14.2 Protection Control for Heating Operation.... 97
14.3 Protection Control for Cooling Operation.... 99
15. Servicing Guide ............................................. 100
15.1 How to Take Out Front Plate .................... 100
15.2 How to Take Out Side Cabinet ................. 100
15.3 Test Run ................................................... 100
15.4 Proper Pump Down Procedure [SERVICE
MODE: 01] ................................................ 100
15.5 How to Adjust Water Flow Rate [SERVICE
MODE: 02] ................................................ 101
15.6 Expansion Vessel Pre Pressure Checking 101
15.7 How to Unlock Cool Mode ........................ 102
15.8 Dry Concrete [SERVICE MODE: 03] ........ 102
15.9 EEPROM Factory Default Data Setup
Procedure ................................................. 102
16. Maintenance Guide........................................ 103
17. Troubleshooting Guide................................. 105
17.1 Refrigeration Cycle System ...................... 105
17.2 Relationship between the Condition of the Air-
to-Water Heatpump Indoor and Outdoor Units
and Pressure and Electric Current............ 106
17.3 Breakdown Self Diagnosis Function ......... 107
17.4 Error Codes Table..................................... 108
17.5 Self-diagnosis Method .............................. 110
18. Disassembly and Assembly Instructions ... 147
18.1 To Remove Front Plate............................. 147
18.2 To Remove Cabinet.................................. 147
18.3 To Remove Pressure Gauge .................... 148
18.4 To Remove Control Panel ........................ 148
18.5 To Remove RCCB .................................... 149
18.6 To Remove Transformer and Electronic
Controller Board........................................ 150
18.7 To Remove Pressure Relief Valve, Flow
Switch and Air Purge Valve ...................... 150
18.8 To Remove Water Pump and Bottle Complete
................................................................. 151
19. Technical Data ............................................... 153
19.1 Operation Characteristics ......................... 153
19.2 Heating Capacity Table............................. 171
19.3 Cooling Capacity Table............................. 172
20. Exploded View and Replacement Parts List173
20.1 Indoor Unit ................................................ 173
20.2 Outdoor Unit.............................................. 175