Panasonic WH-UD09HE8 - 10 Printed Circuit Board; Indoor Unit

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10. Printed Circuit Board

10.1 Indoor Unit

10.1.1 Main Printed Circuit Board

AC1-L2

AC1-L1AC2-L1

HT1-L1HT1-L2AC2-L2

CN-OLP1

G02

G03

AC1-L3

AC1-N

CN1

CN2

CN3 CN4 CN5 CN6

C2-N1

C2-N2

AC2-L3

G01

HT1-L3

CN-TH3

CN-CNT

CN-TH1

CN-FLWSEN

DATA

Main Page

Default Chapter2
- Table of Contents2
1 Safety Precautions4
2 Specifications7
- Wh-Sdc09H3E8 Wh-Ud09He87
- Wh-Sdc12H9E8 Wh-Ud12He810
- Wh-Sdc16H9E8 Wh-Ud16He813
3 Features16
4 Location of Controls and Components17
- Indoor Unit17
  - Setting the Clock19
  - System Check27
- Outdoor Unit41
5 Dimensions42
- Indoor Unit42
- Outdoor Unit43
6 Refrigeration and Water Cycle Diagram44
- Standard System (Optional PCB Not Connected)45
- Advance System (Optional PCB Connected)45
7 Block Diagram46
- Wh-Sdc09H3E8 Wh-Ud09He846
- Wh-Sdc12H9E8 Wh-Ud12He8 Wh-Sdc16H9E8 Wh-Ud16He847
8 Wiring Connection Diagram48
- Indoor Unit48
- Outdoor Unit50
9 Electronic Circuit Diagram51
- Indoor Unit51
- Outdoor Unit53
10 Printed Circuit Board54
- Indoor Unit54
- Outdoor Unit56
11 Installation Instruction58
- Indoor Unit58
  - Refrigerant Pipe Installation59
  - Installation Location62
- Variation of System66
- Boiler Connection71
- System Installation78
- Service and Maintenance89
- Outdoor Unit90
12 Operation and Control97
- Basic Function97
  - Cooling Operation98
  - Thermostat Control98
- Water Pump111
- Indoor Unit Safety115
- Auto Restart Control115
- Indication Panel115
- Indoor Back-Up Heater Control116
- Tank Heater Control118
- Base Pan Heater Control (Optional)120
- Heater Turn ON/OFF Priority Control120
- Force Heater Mode121
- Powerful Operation122
- Quiet Operation123
- Sterilization Mode123
- Outdoor Ambient Thermo off Control124
- Alternative Outdoor Ambient Sensor Control125
- Force DHW Mode125
- Anti Freeze Control126
- Solar Operation (Optional)127
- Boiler Bivalent Control129
- External Room Thermostat Control (Optional)131
- Three Ways Valve Control132
- Two Ways Valve Control132
- External OFF/ON Control133
- External Compressor Switch (Optional PCB)134
- Heat/Cool Switch (Optional PCB)135
- SG Ready Control (Optional PCB)136
- Demand Control (Optional PCB)138
- Holiday Mode139
- Dry Concrete139
- Flow Sensor139
13 Protection Control140
- Protection Control for All Operations140
- Protection Control for Heating Operation142
- Protection Control for Cooling Operation143
14 Servicing Mode144
- How to Take out Front Plate144
- Test Run144
- Expansion Vessel Pre Pressure Checking144
- Pump down Procedures145
- How to Adjust Pump Speed146
- How to Adjust Pump Speed147
- How to Unlock Cool Mode148
- EEPROM Factory Default Data Setup Procedure149
- Dry Concrete Setup150
15 Maintenance Guide152
- Maintenance for Water Filter Set153
16 Troubleshooting Guide155
- Refrigeration Cycle System155
- Relationship between the Condition of the Air-To-Water Heatpump Indoor and Outdoor Units and Pressure and Electric Current156
- Breakdown Self Diagnosis Function157
- Error Codes Table159
- Self-Diagnosis Method161
17 Disassembly and Assembly Instructions208
- To Remove Front Plate208
- To Remove Pressure Gauge208
- To Open Control Board Cover209
- To Remove Control Panel209
- To Remove RCCB210
- To Remove Transformer and Electronic Controller Board210
- To Open Control Board211
- To Remove Pressure Relief Valve, Air Purge Valve and Flow Sensor211
- To Remove Water Pump and Bottle Complete212
- To Remove Filter213
18 Technical Data214
- Operation Characteristics214
- Heating Capacity Table232
- Cooling Capacity Table233
19 Exploded View and Replacement Parts List234
- Indoor Unit234
- Outdoor Unit237

Panasonic WH-UD09HE8 - 10 Printed Circuit Board; Indoor Unit

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