2
TABLE OF CONTENTS
1.
Safety Precautions ............................................. 4
2.
Specifications ..................................................... 7
2.1
WH-SDC07H3E5 WH-UD07HE5 ................... 7
2.2
WH-SDC09H3E5 WH-UD09HE5 ................. 10
3.
Features ............................................................. 13
4.
Location of Controls and Components .......... 14
4.1
Indoor Unit ................................................... 14
4.2
Outdoor Unit ................................................. 37
5.
Dimensions ....................................................... 38
5.1
Indoor Unit ................................................... 38
5.2
Outdoor Unit ................................................. 39
6.
Refrigeration and Water Cycle Diagram ........ 40
6.1
Standard System (Optional PCB not
connected) ................................................... 41
6.2
Advance System (Optional PCB connected) ...
.................................................................... 41
7.
Block Diagram .................................................. 42
8.
Wiring Connection Diagram ............................ 43
8.1
Indoor Unit ................................................... 43
8.2
Outdoor Unit ................................................. 44
9.
Electronic Circuit Diagram .............................. 45
9.1
Indoor Unit ................................................... 45
9.2
Outdoor Unit ................................................. 46
10.
Printed Circuit Board ....................................... 47
10.1
Indoor Unit ................................................... 47
10.2
Outdoor Unit ................................................. 49
11.
Installation Instruction ..................................... 51
11.1
Indoor Unit ................................................... 51
11.2
Variation of system ...................................... 58
11.3
System Installation ....................................... 69
11.4
Outdoor Unit ................................................. 80
12.
Operation and Control ..................................... 85
12.1
Basic Function ............................................. 85
12.2
Water Pump ................................................. 98
12.3
Indoor Unit Safety ......................................102
12.4
Auto Restart Control ..................................102
12.5
Indication Panel .........................................102
12.6
Indoor Back-Up Heater Control .................103
12.7
Tank Heater Control ...................................105
12.8
Base Pan Heater Control (Optional) ..........107
12.9
Heater Turn ON/OFF priority Control .........107
12.10
Force Heater Mode ....................................108
12.11
Powerful Operation ....................................109
12.12
Quiet Operation ..........................................109
12.13
Sterilization Mode ......................................110
12.14
Outdoor Ambient Thermo OFF Control .....111
12.15
Alternative Outdoor Ambient Sensor Control ..
..................................................................112
12.16
Force DHW mode ......................................112
12.17
Anti Freeze Control ....................................113
12.18
Solar Operation (Optional) .........................114
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) ............. 122
12.26
SG Ready Control (Optional PCB) ........... 123
12.27
Demand Control (Optional PCB) .............. 125
12.28
Holiday Mode ............................................ 126
12.29
Dry Concrete ............................................. 126
12.30
Flow Sensor .............................................. 126
13.
Protection Control ......................................... 127
13.1
Protection Control for All Operations ........ 127
13.2
Protection Control for Heating Operation.. 129
13.3
Protection Control for Cooling Operation .. 130
14.
Servicing Mode .............................................. 131
14.1
How to Take Out Front Plate .................... 131
14.2
Test Run ................................................... 131
14.3
Expansion Vessel Pre Pressure Checking 131
14.4
Pump Down Procedures ........................... 132
14.5
How To Adjust Pump Speed ..................... 133
14.6
How To Adjust Pump Speed ..................... 134
14.7
How To Unlock Cool Mode ....................... 135
14.8
EEPROM Factory Default Data Setup
Procedure ................................................. 136
14.9
Dry Concrete Setup .................................. 137
15.
Maintenance Guide........................................ 139
15.1
Maintenance for Water Filter Set .............. 140
16.
Troubleshooting Guide ................................. 142
16.1
Refrigeration Cycle System ...................... 142
16.2
Relationship between the Condition of the Air-
to-Water Heatpump Indoor and Outdoor Units
and Pressure and Electric Current ............ 143
16.3
Breakdown Self Diagnosis Function ......... 144
16.4
Error Codes Table ..................................... 146
16.5
Self-diagnosis Method .............................. 148
17.
Disassembly and Assembly Instructions ... 194
17.1
To Remove Front Plate ............................. 194
17.2
To Remove Pressure Gauge .................... 194
17.3
To Open Control Board Cover .................. 195
17.4
To Remove Control Panel ........................ 195
17.5
To Remove RCCB .................................... 196
17.6
To Remove Transformer and Electronic
Controller Board ........................................ 196
17.7
To Open Control Board ............................. 197
17.8
To Remove Pressure Relief Valve, Air Purge
Valve and Flow Sensor ............................. 197
17.9
To Remove Water Pump and Bottle Complete
................................................................. 198
17.10
To Remove Filter ...................................... 199
18.
Technical Data ............................................... 200
18.1
Operation Characteristics ......................... 200
18.2
Heating Capacity Table............................. 212