Panasonic (WH-UD12CE5-A-1, Service Manual

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TABLE OF CONTENTS
PAGE PAGE
1. Safety Precautions .............................................4
2. Specifications .....................................................6
2.1 WH-SDF07C3E5 WH-UD07CE5-A
(WH-SDF07C3E5-1 WH-UD07CE5-A-1)......6
2.2 WH-SDF09C3E5 WH-UD09CE5-A
(WH-SDF09C3E5-1 WH-UD09CE5-A-1)......8
2.3 WH-SDF12C6E5 WH-UD12CE5-A
(WH-SDF12C6E5-1 WH-UD12CE5-A-1)....10
2.4 WH-SDF14C6E5 WH-UD14CE5-A
(WH-SDF14C6E5-1 WH-UD14CE5-A-1)....12
2.5 WH-SDF16C6E5 WH-UD16CE5-A
(WH-SDF16C6E5-1 WH-UD16CE5-A-1)....14
3. Features.............................................................16
4. Location of Controls and Components..........17
4.1 Indoor Unit ...................................................17
4.2 Outdoor Unit.................................................23
5. Dimensions .......................................................24
5.1 Indoor Unit ...................................................24
5.2 Outdoor Unit.................................................25
6. Refrigeration and Water Cycle Diagram ........27
7. Block Diagram ..................................................28
7.1 WH-UD07CE5-A WH-UD09CE5-A
(WH-UD07CE5-A-1 WH-UD09CE5-A-1) ....28
7.2 WH-UD12CE5-A WH-UD14CE5-A
WH-UD16CE5-A (WH-UD12CE5-A-1
WH-UD14CE5-A-1 WH-UD16CE5-A-1) .....29
8. Wiring Connection Diagram ............................30
8.1 Indoor Unit ...................................................30
8.2 Outdoor Unit.................................................32
9. Electronic Circuit Diagram ..............................34
9.1 Indoor Unit ...................................................34
9.2 Outdoor Unit.................................................36
10. Printed Circuit Board .......................................38
10.1 Indoor Unit ...................................................38
10.2 Outdoor Unit.................................................40
11. Installation Instruction
WH-UD07CE5-A WH-UD09CE5-A
(WH-UD07CE5-A-1 WH-UD09CE5-A-1) ..........44
11.1 Select The Best Location.............................44
11.2 Indoor/Outdoor Unit Installation Diagram ....44
11.3 Indoor Unit ...................................................45
11.4 Outdoor Unit.................................................50
12. Installation Instruction
WH-UD12CE5-A WH-UD14CE5-A
WH-UD16CE5-A
(WH-UD12CE5-A-1 WH-UD14CE5-A-1
WH-UD16CE5-A-1)............................................53
12.1 Select The Best Location.............................53
12.2 Indoor/Outdoor Unit Installation Diagram ....53
12.3 Indoor Unit ...................................................54
12.4 Outdoor Unit................................................ 59
13. Operation and Control .................................... 63
13.1 Basic Function ............................................ 63
13.2 Water Pump ................................................ 74
13.3 Pump Down Operation................................ 75
13.4 Flow Switch................................................. 75
13.5 Force Heater Mode Operation .................... 75
13.6 Indoor Unit Safety ....................................... 76
13.7 Auto Restart Control ................................... 76
13.8 Indication Panel .......................................... 76
13.9 Indoor Back-Up Heater Control .................. 77
13.10 Tank Booster Heater Control ...................... 77
13.11 Base Pan Heater Control (Optional) ........... 78
13.12 Three Way Valve Control............................ 78
13.13 Sterillization Mode....................................... 79
13.14 Quiet Operation........................................... 79
13.15 Anti Freeze Control ..................................... 79
13.16 Solar Operation (Optional).......................... 80
13.17 External Room Thermostat Control
(Optional) .................................................... 83
14. Protection Control........................................... 84
14.1 Protection Control for All Operations .......... 84
14.2 Protection Control for Heating Operation.... 85
15. Servicing Mode ................................................ 87
15.1 How to Take Out Front Plate ...................... 87
15.2 How to Take Out Side Cabinet ................... 87
15.3 Test Run ..................................................... 87
15.4 Proper Pump Down Procedure................... 87
15.5 How to Adjust Water Flow Rate.................. 88
15.6 Expansion Vessel Pre Pressure
Checking ..................................................... 88
16. Maintenance Guide.......................................... 89
17. Troubleshooting Guide................................... 91
17.1 Refrigeration Cycle System ........................ 91
17.2 Relationship Between The Condition Of
The Air-to-Water Heatpump Indoor And
Outdoor Units And Pressure And Electric
Current ........................................................ 92
17.3 Breakdown Self Diagnosis Function ........... 93
17.4 Error Codes Table....................................... 94
17.5 Self-diagnosis Method ................................ 96
18. Disassembly and Assembly Instructions ... 130
18.1 To Remove Front Plate............................. 130
18.2 To Remove Cabinet.................................. 130
18.3 To Remove Pressure Gauge .................... 131
18.4 To Remove Control Panel ........................ 131
18.5 To Remove RCCB .................................... 132
18.6 To Remove Transformer and Electronic
Controller Board........................................ 132
18.7 To Remove Pressure Relief Valve,
Flow Switch, Water Pump and Bottle
Complete................................................... 133
19. Technical Data ............................................... 135
19.1 Operation Characteristics ......................... 135