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TABLE OF CONTENTS
PAGE PAGE
1. Safety Precautions .............................................3
2. Specifications .....................................................5
2.1 WH-MDC05F3E5 ...........................................5
3. Features...............................................................7
4. Location of Controls and Components............8
4.1 Mono Bloc Unit...............................................8
5. Dimensions .......................................................18
5.1 Mono bloc Unit .............................................18
6. Refrigeration and Water Cycle Diagram ........19
7. Block Diagram ..................................................21
8. Wiring Connection Diagram ............................22
9. Electronic Circuit Diagram ..............................24
10. Printed Circuit Board .......................................26
10.1 Water System ..............................................26
10.2 Refrigerant System ......................................28
11. Installation Instruction Mono bloc Unit..........30
11.1 Select the Best Location ..............................32
11.2 Mono Bloc Unit Installation ..........................32
11.3 Piping Installation.........................................33
11.4 Connect The Cord And Cable To Mono Bloc
Unit...............................................................34
11.5 Checking And Test Cord Run Procedures ..38
12. Operation and Control .....................................39
12.1 Basic Function .............................................39
12.2 Water Pump .................................................60
12.3 Pump Down Operation [Service Mode: 01] .62
12.4 Flow Switch..................................................62
12.5 Indoor Unit Safety ........................................63
12.6 Auto Restart Control ....................................63
12.7 Indication Panel ...........................................63
12.8 Indoor Back-Up Heater Control ...................64
12.9 Tank Booster Heater Control .......................65
12.10Base Pan Heater Control (Optional) ............65
12.11Sterilization Mode ........................................66
12.12Quiet Operation............................................66
12.13Anti Freeze Control......................................67
12.14Solar Operation (Optional) ...........................68
12.15External Room Thermostat Control (Optional)
....................................................................72
12.16Three Ways Valve Control...........................73
12.17Two Ways Valve Control .............................73
12.18External OFF/ON Control ............................74
12.19Holiday Mode ...............................................75
12.20Dry Concrete Function.................................75
13. Protection Control............................................76
13.1 Protection Control For All Operations ..........76
13.2 Protection Control For Heating Operation ...78
13.3 Protection Control For Cooling Operation ...79
14. Servicing Mode.................................................80
14.1 Test Run ..................................................... 80
14.2 How To Adjust Water Flow Rate................. 80
14.3 Expansion Vessel Pre Pressure Checking . 80
15. Maintenance Guide.......................................... 81
16. Troubleshooting Guide................................... 84
16.1 Refrigeration Cycle System ........................ 84
16.2 Relationship between the Condition of the Air-
to-Water Heatpump Indoor and Outdoor Units
and Pressure and Electric Current.............. 85
16.3 Breakdown Self Diagnosis Function ........... 86
16.4 Error Codes Table....................................... 87
16.5 Self-diagnosis Method ................................ 89
17. Disassembly and Assembly Instructions ... 124
17.1 To Remove The Cabinet Front Plate ........ 124
17.2 To Remove The Cabinet Top Plate .......... 124
17.3 To Remove The Cabinet Rear Plate......... 125
17.4 To Remove Pressure Gauge .................... 125
17.5 To Remove RCCB .................................... 126
17.6 To Remove Transformer........................... 126
17.7 To Remove Water System Electronic
Controller Board........................................ 127
17.8 To Remove Refrigerant Side Control Board
Complete................................................... 128
17.9 To Remove Pressure Relief Valve and Air
Purge Valve .............................................. 129
17.10To Remove Flow Switch ........................... 129
17.11To Remove Water Pump .......................... 130
18. Technical Data ............................................... 131
18.1 Operation Characteristics ......................... 131
18.2 Heating Capacity Table............................. 135
18.3 Cooling Capacity Table............................. 135
19. Exploded View and Replacement Parts List136
19.1 WH-MDC05F3E5 (Refrigerant System)... 136
19.2 WH-MDC05F3E5 (Water System)........... 140