4-3-26. EVI EEV opening error .................................................................................................................................................................................. 66

4-3-27. Refrigerant leakage error ........................................................................................................................................................................... 67

4-3-28. Prevention of heating operation due to outdoor temperature ............................................................................................. 68

4-3-29. Fan starting error ............................................................................................................................................................................................ 69

4-3-30. Fan lock error ................................................................................................................................................................................................... 71

4-3-31. Momentary blackout error ........................................................................................................................................................................ 72

4-3-32. Outdoor Fan Motor overheating ........................................................................................................................................................... 73

4-3-33. Fan IPM Overheat error ............................................................................................................................................................................... 74

4-3-34. Compressor starting error ......................................................................................................................................................................... 75

4-3-35. Inverter Overcurrent error ......................................................................................................................................................................... 77

4-3-36. Overvoltage / Low voltage error ............................................................................................................................................................ 80

4-3-37. DC Link voltage sensor error .................................................................................................................................................................... 81

4-3-38. Fan Motor Overcurrent error.................................................................................................................................................................... 82

4-3-39. Input / Output Current sensor error ..................................................................................................................................................... 84

4-3-40. Outdoor Fan PCB Overvoltage / Low voltage error ...................................................................................................................... 85

4-3-41. Hall IC (Fan) error ............................................................................................................................................................................................ 86

4-3-42. Inverter overheat error ................................................................................................................................................................................ 87

4-3-43. Option setting error of outdoor unit .................................................................................................................................................... 88

4-3-44. Hydro inlet temperature sensor (Tw1) Short/Open ..................................................................................................................... 89

4-3-45. Hydro outlet temperature sensor (Tw2) Short/Open .................................................................................................................. 90

4-3-46. Frozen damage error ................................................................................................................................................................................... 91

4-3-47. Error when freeze prevention Comp Off ............................................................................................................................................ 92

4-3-48. Hydro outlet temperature sensor Breakaway ................................................................................................................................. 93

4-3-49. Water flow error(Water pressure sensor or Flow switch) ........................................................................................................... 94

4-3-50. Error on pump magnetic switch malfunction ................................................................................................................................. 95

5. PCB Diagram and Parts List ..................................................................................................................................................................................................... 96

5-1. ASSY PCB MAIN-HYDRO .............................................................................................................................................................................................. 96

5-2. ASSY PCB MAIN ................................................................................................................................................................................................................. 97

5-3. ASSY PCB SUB-FAN ........................................................................................................................................................................................................ 102

5-4. ASSY PCB SUB-EMI (PF#8 H power model only) ............................................................................................................................................... 104

5-5. ASSY PCB SUB-EMI (PF #9 H power model only) ............................................................................................................................................. 105

5-6. ASSY PCB MAIN-HUB ..................................................................................................................................................................................................... 107

5-7. ASSY PCB INVERTER ........................................................................................................................................................................................................ 111

5-8. ASSY PCB SUB-COMM ................................................................................................................................................................................................... 115

6. Wiring Diagram ............................................................................................................................................................................................................................. 116

6-1. DVM CHILLER hydro part wiring diagram(AG042/056/070KSVANH/EU) ............................................................................................. 116

DVM CHILLER hydro part wiring diagram(AG042/056/070KSVGNH/EU)............................................................................................. 118

6-2. DVM CHILLER inverter control part wiring diagram(AG042/056KSVANH/EU) .................................................................................. 120

6-3. DVM CHILLER inverter control part wiring diagram(AG070KSVANH/EU) ............................................................................................ 122

6-4. DVM CHILLER inverter control part wiring diagram(AG042/056KSVGNH/EU) .................................................................................. 124

6-5. DVM CHILLER inverter control part wiring diagram(AG070KSVGNH/EU) ............................................................................................ 126

7. Cycle Diagram................................................................................................................................................................................................................................ 128

8. Key options ..................................................................................................................................................................................................................................... 130

8-1. Setting hydro controller option ................................................................................................................................................................................. 130

8-2. How to set hydro controller option ......................................................................................................................................................................... 132

8-3. Setting inverter controller option ............................................................................................................................................................................ 137

9. Trial operation ............................................................................................................................................................................................................................... 142

9-1. Trial operation for each CHILLER unit ..................................................................................................................................................................... 142

Table of Contents