2
TABLE OF CONTENTS
1.
Safety Precautions .............................................4
2.
Specifications .....................................................7
2.1
WH-SDC09H3E8 WH-UD09HE8...................7
2.2
WH-SDC12H9E8 WH-UD12HE8.................10
2.3
WH-SDC16H9E8 WH-UD16HE8.................13
3.
Features.............................................................16
4.
Location of Controls and Components..........17
4.1
Indoor Unit ...................................................17
4.2
Outdoor Unit.................................................41
5.
Dimensions .......................................................42
5.1
Indoor Unit ...................................................42
5.2
Outdoor Unit.................................................43
6.
Refrigeration and Water Cycle Diagram ........44
6.1
Standard System (Optional PCB not
connected) ...................................................45
6.2
Advance System (Optional PCB connected)...
....................................................................45
7.
Block Diagram ..................................................46
7.1
WH-SDC09H3E8 WH-UD09HE8.................46
7.2
WH-SDC12H9E8 WH-UD12HE8
WH-SDC16H9E8 WH-UD16HE8.................47
8.
Wiring Connection Diagram ............................48
8.1
Indoor Unit ...................................................48
8.2
Outdoor Unit.................................................50
9.
Electronic Circuit Diagram ..............................51
9.1
Indoor Unit ...................................................51
9.2
Outdoor Unit.................................................53
10.
Printed Circuit Board .......................................54
10.1
Indoor Unit ...................................................54
10.2
Outdoor Unit.................................................56
11.
Installation Instruction.....................................58
11.1
Indoor Unit ...................................................58
11.2
Variation of system ......................................66
11.3
System Installation.......................................78
11.4
Service and maintenance ............................89
11.5
Outdoor Unit.................................................90
12.
Operation and Control .....................................97
12.1
Basic Function .............................................97
12.2
Water Pump .............................................. 111
12.3
Indoor Unit Safety ..................................... 115
12.4
Auto Restart Control ................................. 115
12.5
Indication Panel ........................................ 115
12.6
Indoor Back-Up Heater Control ................ 116
12.7
Tank Heater Control.................................. 118
12.8
Base Pan Heater Control (Optional) ......... 120
12.9
Heater Turn ON/OFF priority Control........ 120
12.10
Force Heater Mode................................... 121
12.11
Powerful Operation ................................... 122
12.12
Quiet Operation......................................... 123
12.13
Sterilization Mode ..................................... 123
12.14
Outdoor Ambient Thermo OFF Control .... 124
12.15
Alternative Outdoor Ambient Sensor Control ..
................................................................. 125
12.16
Force DHW mode ..................................... 125
12.17
Anti Freeze Control ................................... 126
12.18
Solar Operation (Optional)........................ 127
12.19
Boiler Bivalent Control .............................. 129
12.20
External Room Thermostat Control (Optional)
................................................................. 131
12.21
Three Ways Valve Control........................ 132
12.22
Two Ways Valve Control........................... 132
12.23
External OFF/ON Control ......................... 133
12.24
External Compressor Switch (Optional PCB) ..
................................................................. 134
12.25
Heat/Cool Switch (Optional PCB) ............. 135
12.26
SG Ready Control (Optional PCB) ........... 136
12.27
Demand Control (Optional PCB) .............. 138
12.28
Holiday Mode ............................................ 139
12.29
Dry Concrete............................................. 139
12.30
Flow Sensor .............................................. 139
13.
Protection Control......................................... 140
13.1
Protection Control for All Operations ........ 140
13.2
Protection Control for Heating Operation.. 142
13.3
Protection Control for Cooling Operation.. 143
14.
Servicing Mode .............................................. 144
14.1
How to Take Out Front Plate .................... 144
14.2
Test Run ................................................... 144
14.3
Expansion Vessel Pre Pressure Checking ......
................................................................. 144
14.4
Pump Down Procedures........................... 145
14.5
How To Adjust Pump Speed..................... 146
14.6
How To Adjust Pump Speed..................... 147
14.7
How To Unlock Cool Mode ....................... 148
14.8
EEPROM Factory Default Data Setup
Procedure ................................................. 149
14.9
Dry Concrete Setup .................................. 150
15.
Maintenance Guide........................................ 152
15.1
Maintenance for Water Filter Set .............. 153
16.
Troubleshooting Guide................................. 155
16.1
Refrigeration Cycle System ...................... 155
16.2
Relationship between the Condition of the Air-
to-Water Heatpump Indoor and Outdoor Units
and Pressure and Electric Current............ 156
16.3
Breakdown Self Diagnosis Function ......... 157
16.4
Error Codes Table..................................... 159
16.5
Self-diagnosis Method .............................. 161
17.
Disassembly and Assembly Instructions ... 208
17.1
To Remove Front Plate............................. 208
17.2
To Remove Pressure Gauge .................... 208
17.3
To Open Control Board Cover .................. 209
17.4
To Remove Control Panel ........................ 209
17.5
To Remove RCCB .................................... 210
17.6
To Remove Transformer and Electronic
Controller Board........................................ 210
17.7
To Open Control Board............................. 211
17.8
To Remove Pressure Relief Valve, Air Purge
Valve and Flow Sensor............................. 211