2
TABLE OF CONTENTS
1.
Safety Precautions ............................................. 4
2.
Precaution For Using R32 Refrigerant ............. 7
3.
Specifications ................................................... 12
3.1
WH-ADC0912K6E5AN WH-UXZ09KE5 ..... 12
3.2
WH-ADC0912K6E5AN WH-UXZ12KE5 ..... 16
4.
Features ............................................................. 20
5.
Location of Controls and Components .......... 21
5.1
Indoor Unit ................................................... 21
5.2
Outdoor Unit ................................................. 53
6.
Dimensions ....................................................... 54
6.1
Indoor Unit ................................................... 54
6.2
Outdoor Unit ................................................. 55
7.
Refrigeration and Water Cycle Diagram ........ 56
8.
Block Diagram .................................................. 57
9.
Wiring Connection Diagram ............................ 58
9.1
Indoor Unit ................................................... 58
9.2
Outdoor Unit ................................................. 59
10.
Electronic Circuit Diagram .............................. 60
10.1
Indoor Unit ................................................... 60
10.2
Outdoor Unit ................................................. 61
11.
Printed Circuit Board ....................................... 62
11.1
Indoor Unit ................................................... 62
11.2
Outdoor Unit ................................................. 64
12.
Installation Instruction ..................................... 66
12.1
Indoor Floor Area Requirement ................... 66
12.2
Indoor Unit ................................................... 69
12.3
Outdoor Unit ................................................. 79
12.4
Appendix ...................................................... 84
12.5
Service and Maintenance ..........................111
13.
Installation and Servicing Heat Pump using
R32 ...................................................................113
13.1
About R32 Refrigerant ...............................113
13.2
Characteristics of R32 Refrigerant .............113
13.3
Refrigerant piping installation • Tools used in
services ......................................................115
13.4
New installation, Relocation, Repairing of
Refrigerant Cycle System The Procedures .....
..................................................................119
13.5
Piping installation of R32 ...........................120
13.6
Installation and Service ..............................121
13.7
Repairing of refrigerant cycle / Brazing point ...
..................................................................124
14.
Operation and Control ...................................130
14.1
Basic Function ...........................................130
14.2
Water Pump ...............................................141
14.3
Water Pressure Control .............................144
14.4
Indoor Unit Safety ......................................145
14.5
Auto Restart Control ..................................145
14.6
Indication Panel .........................................145
14.7
Indoor Back-Up Heater Control .................146
14.8
Tank Heater Control .................................. 148
14.9
Base Pan Heater Control (Optional) ......... 149
14.10
Force Heater Mode ................................... 149
14.11
Powerful Operation ................................... 151
14.12
Quiet Operation ......................................... 151
14.13
Sterilization Mode ..................................... 152
14.14
Outdoor Ambient Thermo OFF Control .... 153
14.15
Alternative Outdoor Ambient Sensor Control ..
................................................................. 153
14.16
Force DHW mode ..................................... 153
14.17
SMART DHW mode .................................. 154
14.18
DHW Capacity Setting .............................. 154
14.19
Anti Freeze Control ................................... 155
14.20
Solar Operation (Optional) ........................ 156
14.21
Boiler Bivalent Control .............................. 157
14.22
External Room Thermostat Control (Optional)
................................................................. 159
14.23
Three Ways Valve Control ........................ 160
14.24
Two Ways Valve Control........................... 161
14.25
External OFF/ON Control ......................... 161
14.26
External Compressor Switch (Optional PCB) ..
................................................................. 162
14.27
Heat/Cool Switch (Optional PCB) ............. 163
14.28
SG Ready Control (Optional PCB) ........... 164
14.29
Demand Control (Optional PCB) .............. 166
14.30
Holiday Mode ............................................ 166
14.31
Dry Concrete ............................................. 167
14.32
Flow Sensor .............................................. 167
15.
Protection Control ......................................... 168
15.1
Protection Control for All Operations ........ 168
15.2
Protection Control for Heating Operation.........
................................................................. 170
15.3
Protection Control for Cooling Operation .........
................................................................. 171
16.
Servicing Guide ............................................. 172
16.1
How to take out Front Plate ...................... 172
16.2
Test Run ................................................... 172
16.3
Expansion Vessel Pre Pressure Checking ......
................................................................. 172
16.4
Pump Down Procedures ........................... 173
16.5
How To Adjust Pump Speed ..................... 174
16.6
How To Unlock Cool Mode ....................... 175
16.7
EEPROM Factory Default Data Setup
Procedure ................................................. 176
16.8
Dry Concrete Setup .................................. 177
17.
Maintenance Guide........................................ 179
17.1
Maintenance for Magnetic Water Filter Set .....
................................................................. 182
18.
Troubleshooting Guide ................................. 184
18.1
Refrigeration Cycle System ...................... 184
18.2
Relationship between the Condition of the Air-
to-Water Heatpump Indoor and Outdoor Units
and Pressure and Electric Current ............ 185
18.3
Breakdown Self Diagnosis Function ......... 186
18.4
Error Codes Table ..................................... 188
18.5
Self-diagnosis Method .............................. 190