Danfoss FC 300 Design Manual

Also see for FC 300: Operating instructions Instruction manual Design guide Design guide Design guide

Contents

Danfoss FC 300 Design Manual Manual pdf 110 page image

6.3.2. Connection to Line Power and GroundingNOTEThe plug connector for power is pluggable on the FC 300 up to 10 hp [7.5 kW].1. Insert the two screws into the de-coupling plate, and then slide it into place and tightenthe screws.2. Make sure the FC 300 is properly grounded. Connect to the ground connection (terminal95). Use the screw from the accessory bag.3. Place plug connector 91(L1), 92(L2), 93(L3) from the accessory bag onto the terminalslabeled MAINS at the bottom of the FC 300.4. Attach the line wires to the line power plug connector.5. Support the cable with the enclosed supporting brackets.NOTEMake sure that the line voltage corresponds to the given line voltage on the FC 300nameplate.IT LineDo not connect 400 V adjustable frequency drives with RFI filters to line supplieswith a voltage between phase and ground of more than 440 V.The ground connection cable cross-section must be at least 0.016 in.2 [10 mm2] or2 x rated line wires terminated separately according to EN 50178.The line connection is fitted to the line switch if this is included.6. How to Install FC 300 Design Guide110 MG.33.B9.22 - VLT® is a registered Danfoss trademark.6