Panasonic WH-SHF09D3E5, Service Manual

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TABLE OF CONTENTS
PAGE PAGE
1. Safety Precautions .............................................3
2. Specifications .....................................................5
2.1 WH-SHF09D3E5 WH-UH09DE5 ..................5
2.2 WH-SHF12D6E5 WH-UH12DE5 ..................7
3. Features...............................................................9
4. Location of Controls and Components..........10
4.1 Indoor Unit ...................................................10
4.2 Outdoor Unit.................................................15
5. Dimensions .......................................................16
5.1 Indoor Unit ...................................................16
5.2 Outdoor Unit.................................................17
6. Refrigeration and Water Cycle Diagram ........18
7. Block Diagram ..................................................20
8. Wiring Connection Diagram ............................21
8.1 Indoor Unit ...................................................21
8.2 Outdoor Unit.................................................23
9. Electronic Circuit Diagram ..............................24
9.1 Indoor Unit ...................................................24
9.2 Outdoor Unit.................................................26
10. Printed Circuit Board .......................................27
10.1 Indoor Unit ...................................................27
10.2 Outdoor Unit.................................................29
11. Installation Instruction.....................................31
11.1 Select the Best Location ..............................31
11.2 Indoor/Outdoor Unit Installation Diagram ....31
11.3 Indoor Unit ...................................................32
11.4 Outdoor Unit.................................................37
12. Operation and Control .....................................40
12.1 Basic Function .............................................40
12.2 Water Pump .................................................46
12.3 Pump Down Operation ................................47
12.4 Flow Switch..................................................47
12.5 Force Heater Mode Operation .....................47
12.6 Indoor Unit Safety ........................................48
12.7 Auto Restart Control ....................................48
12.8 Indication Panel ...........................................48
12.9 Indoor Back-Up Heater Control ...................49
12.10 Tank Booster Heater Control .......................50
12.11 Three Way Valve Control.............................50
12.12 Sterillization Mode........................................50
12.13 Quiet Operation............................................51
12.14 Solar Operation (Optional)...........................51
12.15 External Room Thermostat Control
(Optional) .....................................................54
13. Protection Control............................................55
13.1 Protection Control for All Operations ...........55
13.2 Protection Control for Heating Operation ....57
14. Servicing Mode .................................................58
14.1 How to Take Out Front Plate ...................... 58
14.2 How to Take Out Side Cabinet ................... 58
14.3 Test Run ..................................................... 58
14.4 Proper Pump Down Procedure................... 58
14.5 How to Adjust Water Flow Rate.................. 59
14.6 Expansion Vessel Pre Pressure
Checking ..................................................... 59
15. Maintenance Guide.......................................... 60
16. Troubleshooting Guide................................... 62
16.1 Refrigeration Cycle System ........................ 62
16.2 Relationship between the Condition of the
Air-to-Water Heatpump Indoor and Outdoor
Units and Pressure and Electric Current .... 63
16.3 Breakdown Self Diagnosis Function ........... 64
16.4 Error Codes Table....................................... 65
16.5 Self-diagnosis Method ................................ 67
17. Disassembly and Assembly Instructions ... 101
17.1 To Remove Front Plate............................. 101
17.2 To Remove Cabinet Side Plate ................ 101
17.3 To Remove Pressure Gauge .................... 102
17.4 To Remove Control Panel ........................ 102
17.5 To Remove RCCB/ELCB.......................... 103
17.6 To Remove Transformer and Electronic
Controller Board........................................ 103
17.7 To Remove Air Purge Valve,
Pressure Relief Valve, Flow Switch,
Water Pump and Bottle Complete ............ 104
18. Technical Data ............................................... 106
18.1 Heating Capacity Table............................. 106
18.2 Heating Capacity at Different Piping
Length ....................................................... 107
18.3 Hydraulic Pump Performance................... 107
18.4 Usage Limitation ....................................... 107
19. Exploded View and Replacement Parts
List .................................................................. 108
19.1 WH-SHF09D3E5 WH-SHF12D6E5 ......... 108
19.2 WH-UH09DE5 WH-UH12DE5 ................. 110