Read Panasonic WH-SDC12H6E5 / WH-SDC16H6E5 / WH-UD12HE5 / WH-UD16HE5 Service Manual online
2
TABLE OF CONTENTS
1.
Safety Precautions ............................................. 4
2.
Specifications ..................................................... 7
2.1
WH-SDC12H6E5 WH-UD12HE5 ................... 7
2.2
WH-SDC16H6E5 WH-UD16HE5 ................. 10
3.
Features ............................................................. 13
4.
Location of Controls and Components .......... 14
4.1
Indoor Unit ................................................... 14
4.2
Outdoor Unit ................................................. 38
5.
Dimensions ....................................................... 39
5.1
Indoor Unit ................................................... 39
5.2
Outdoor Unit ................................................. 40
6.
Refrigeration and Water Cycle Diagram ........ 41
6.1
Standard System (Optional PCB not
connected) ................................................... 42
connected) ................................................... 42
6.2
Advance System (Optional PCB connected) ...
.................................................................... 42
.................................................................... 42
7.
Block Diagram .................................................. 43
8.
Wiring Connection Diagram ............................ 44
8.1
Indoor Unit ................................................... 44
8.2
Outdoor Unit ................................................. 45
9.
Electronic Circuit Diagram .............................. 46
9.1
Indoor Unit ................................................... 46
9.2
Outdoor Unit ................................................. 47
10.
Printed Circuit Board ....................................... 48
10.1
Indoor Unit ................................................... 48
10.2
Outdoor Unit ................................................. 50
11.
Installation Instruction ..................................... 52
11.1
Indoor Unit ................................................... 52
11.2
Variation of system ...................................... 60
11.3
System Installation ....................................... 72
11.4
Service and maintenance ............................ 83
11.5
Outdoor Unit ................................................. 84
12.
Operation and Control ..................................... 91
12.1
Basic Function ............................................. 91
12.2
Water Pump ...............................................105
12.3
Indoor Unit Safety ......................................109
12.4
Auto Restart Control ..................................109
12.5
Indication Panel .........................................109
12.6
Indoor Back-Up Heater Control .................110
12.7
Tank Heater Control ...................................112
12.8
Base Pan Heater Control (Optional) ..........114
12.9
Heater Turn ON/OFF priority Control .........114
12.10
Force Heater Mode ....................................115
12.11
Powerful Operation ....................................116
12.12
Quiet Operation ..........................................117
12.13
Sterilization Mode ......................................117
12.14
Outdoor Ambient Thermo OFF Control .....118
12.15
Alternative Outdoor Ambient Sensor Control ..
..................................................................119
..................................................................119
12.16
Force DHW mode ......................................119
12.17
Anti Freeze Control ....................................120
12.18
Solar Operation (Optional) ........................ 121
12.19
Boiler Bivalent Control .............................. 123
12.20
External Room Thermostat Control (Optional)
................................................................. 125
................................................................. 125
12.21
Three Ways Valve Control ........................ 126
12.22
Two Ways Valve Control........................... 126
12.23
External OFF/ON Control ......................... 127
12.24
External Compressor Switch (Optional PCB) ..
................................................................. 128
................................................................. 128
12.25
Heat/Cool Switch (Optional PCB) ............. 129
12.26
SG Ready Control (Optional PCB) ........... 130
12.27
Demand Control (Optional PCB) .............. 132
12.28
Holiday Mode ............................................ 133
12.29
Dry Concrete ............................................. 133
12.30
Flow Sensor .............................................. 133
13.
Protection Control ......................................... 134
13.1
Protection Control for All Operations ........ 134
13.2
Protection Control for Heating Operation.. 136
13.3
Protection Control for Cooling Operation .. 137
14.
Servicing Mode .............................................. 138
14.1
How to Take Out Front Plate .................... 138
14.2
Test Run ................................................... 138
14.3
Expansion Vessel Pre Pressure Checking ......
................................................................. 138
................................................................. 138
14.4
Pump Down Procedures ........................... 139
14.5
How To Adjust Pump Speed ..................... 140
14.6
How To Adjust Pump Speed ..................... 141
14.7
How To Unlock Cool Mode ....................... 142
14.8
EEPROM Factory Default Data Setup
Procedure ................................................. 143
Procedure ................................................. 143
14.9
Dry Concrete Setup .................................. 144
15.
Maintenance Guide........................................ 146
15.1
Maintenance for Water Filter Set .............. 147
16.
Troubleshooting Guide ................................. 149
16.1
Refrigeration Cycle System ...................... 149
16.2
Relationship between the Condition of the Air-
to-Water Heatpump Indoor and Outdoor Units
and Pressure and Electric Current ............ 150
to-Water Heatpump Indoor and Outdoor Units
and Pressure and Electric Current ............ 150
16.3
Breakdown Self Diagnosis Function ......... 151
16.4
Error Codes Table ..................................... 153
16.5
Self-diagnosis Method .............................. 155
17.
Disassembly and Assembly Instructions ... 206
17.1
To Remove Front Plate ............................. 206
17.2
To Remove Pressure Gauge .................... 206
17.3
To Open Control Board Cover .................. 207
17.4
To Remove Control Panel ........................ 207
17.5
To Remove RCCB .................................... 208
17.6
To Remove Transformer and Electronic
Controller Board ........................................ 208
Controller Board ........................................ 208
17.7
To Open Control Board ............................. 209
17.8
To Remove Pressure Relief Valve, Air Purge
Valve and Flow Sensor ............................. 209
Valve and Flow Sensor ............................. 209
17.9
To Remove Water Pump and Bottle Complete
................................................................. 210
................................................................. 210
17.10
To Remove Filter ...................................... 211
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