8.5.1 System Wiring.......................................................................... 54
8.5.2 Operation ................................................................................. 54
8.5.3 Relevant Parameter Setting ..................................................... 54
8.6 Electric Contact Gauge Water Supply .................................................... 54
8.6.1 System Wiring.......................................................................... 54
8.6.2 Relevant Parameter Setting ..................................................... 55
8.6.3 Relevant Parameter Setting ..................................................... 55
8.7 Application of One VFD Drive Two Pump ............................................ 56
8.7.1 Relevant Parameter Setting ..................................................... 56
8.7.2 System Debugging Procedure ................................................. 58
8.7.3 Relevant Parameter Setting ..................................................... 58
8.8 Application Summary ............................................................................. 59
9. FAULT AND TROUBLE SHOOTING .............................................. 60
9.1 System Running Fault and Trouble Shooting ........................................ 60
9.2 Water Supply Running Fault and Trouble Shooting .............................. 61
9.3 Controller Running Fault and Trouble Shooting .................................... 61
9. COMMUNICATION PROTOCOL ................................................... 63