2
TABLE OF CONTENTS
1. Safety Precautions ............................................. 4
2. Specifications ..................................................... 6
2.1 WH-ADC0309H3E5 WH-UD03HE5-1 .......... 6
2.2 WH-ADC0309H3E5 WH-UD05HE5-1 .......... 9
2.3 WH-ADC0309H3E5 WH-UD07HE5-1 ........ 12
2.4 WH-ADC0309H3E5 WH-UD09HE5-1 ........ 15
3. Features ............................................................. 18
4. Location of Controls and Components .......... 19
4.1 Indoor Unit ................................................... 19
4.2 Outdoor Unit ................................................. 37
5. Dimensions ....................................................... 38
5.1 Indoor Unit ................................................... 38
5.2 Outdoor Unit ................................................. 39
6. Refrigeration and Water Cycle Diagram ........ 41
7. Block Diagram .................................................. 42
7.1 WH-ADC0309H3E5 WH-UD03HE5-1
WH-ADC0309H3E5 WH-UD05HE5-1 ........ 42
7.2 WH-ADC0309H3E5 WH-UD07HE5-1
WH-ADC0309H3E5 WH-UD09HE5-1 ........ 43
8. Wiring Connection Diagram ............................ 44
8.1 Indoor Unit ................................................... 44
8.2 Outdoor Unit ................................................. 45
9. Electronic Circuit Diagram .............................. 47
9.1 Indoor Unit ................................................... 47
9.2 Outdoor Unit ................................................. 48
10. Printed Circuit Board ....................................... 50
10.1 Indoor Unit ................................................... 50
10.2 Outdoor Unit ................................................. 52
11. Installation Instruction ..................................... 55
11.1 Indoor Unit ................................................... 55
11.2 Outdoor Unit ................................................. 66
11.3 Appendix ...................................................... 70
11.4 Service and maintenance ............................ 92
12. Operation and Control ..................................... 93
12.1 Basic Function ............................................. 93
12.2 Water Pump ...............................................103
12.3 Indoor Unit Safety ......................................106
12.4 Auto Restart Control ..................................106
12.5 Indication Panel .........................................106
12.6 Indoor Back-Up Heater Control .................107
12.7 Tank Heater Control ...................................108
12.8 Base Pan Heater Control (Optional) ..........109
12.9 Force Heater Mode ....................................109
12.10 Powerful Operation ....................................110
12.11 Quiet Operation ..........................................111
12.12 Sterilization Mode ......................................111
12.13 Outdoor Ambient Thermo OFF Control .....112
12.14 Alternative Outdoor Ambient Sensor
Control .......................................................112
12.15 Force DHW mode ......................................113
12.16 SMART DHW mode: ..................................113
12.17 Anti Freeze Control ................................... 114
12.18 Solar Operation (Optional) ........................ 115
12.19 Boiler Bivalent Control .............................. 116
12.20 External Room Thermostat Control
(Optional) .................................................. 118
12.21 Three Ways Valve Control ........................ 119
12.22 Two Ways Valve Control........................... 119
12.23 External OFF/ON Control ......................... 120
12.24 External Compressor Switch
(Optional PCB) .......................................... 121
12.25 Heat/Cool Switch (Optional PCB) ............. 121
12.26 SG Ready Control (Optional PCB) ........... 122
12.27 Demand Control (Optional PCB) .............. 123
12.28 Holiday Mode ............................................ 124
12.29 Dry Concrete ............................................. 124
12.30 Flow Sensor .............................................. 124
13. Protection Control (WH-UD03HE5-1
WH-UD05HE5-1) ............................................. 125
13.1 Protection Control for All Operations ........ 125
13.2 Protection Control for Heating
Operation .................................................. 127
13.3 Protection Control for Cooling
Operation .................................................. 128
14. Protection Control (WH-UD07HE5-1
WH-UD09HE5-1) ............................................. 129
14.1 Protection Control for All Operations ........ 129
14.2 Protection Control for Heating
Operation .................................................. 131
14.3 Protection Control for Cooling
Operation .................................................. 132
15. Servicing Guide ............................................. 133
15.1 How to take out Front Plate ...................... 133
15.2 Test Run ................................................... 133
15.3 Expansion Vessel Pre Pressure
Checking ................................................... 133
15.4 Pump Down Procedures ........................... 134
15.5 How To Adjust Pump Speed ..................... 135
15.6 How To Unlock Cool Mode ....................... 136
15.7 EEPROM Factory Default Data Setup
Procedure ................................................. 137
15.8 Dry Concrete Setup .................................. 138
16. Maintenance Guide........................................ 140
16.1 Maintenance for Water Filter Set .............. 142
17. Troubleshooting Guide ................................. 144
17.1 Refrigeration Cycle System ...................... 144
17.2 Relationship between the Condition of the
Air-to-Water Heatpump Indoor and Outdoor
Units and Pressure and Electric Current .. 145
17.3 Breakdown Self Diagnosis Function ......... 146
17.4 Error Codes Table ..................................... 148
17.5 Self-diagnosis Method .............................. 150
18. Disassembly and Assembly Instructions ... 198
18.1 To Remove Front Plate and Top Plate ..... 198
18.2 To Remove Pressure Gauge .................... 199
18.3 To Remove Remote Control ..................... 199