Danfoss VLT Drive Installation Guide - FC-102/202/302 Series

Overview and Configuration

The system comprises multiple cabinets arranged side-by-side, including an Options Cabinet, Filter Cabinet, Drive Rectifier Cabinet, and Drive Inverter Cabinet. The drawing specifies dimensions, clearances, and airflow considerations for proper installation.

Applicable Models: FC-102/202 (500-710kW) and FC-302 (450-630kW) Low Harmonics Drives.

Estimated Weight: 1900 KGS / 4189 LBS.

Top View

The top view illustrates the overall layout and dimensions of the drive system. Key features include:

• Minimum clearance from ceiling: 225.0 mm (8.9 in).
• Dimensions for various cabinet sections:
  • Options Cabinet
  • Filter Cabinet
  • Drive Rectifier Cabinet
  • Drive Inverter Cabinet
• Hole dimensions for mounting and connections, e.g., 6X Ø40.0 mm (1.6 in) and 6X Ø29.0 mm (1.1 in).
• Indication of 'Drive Side Airflow' and 'Back Wall Cooling' zones for different cabinet sections.

Overall dimensions are provided, such as a total width of 2791.0 mm (109.9 in).

Bottom View

The bottom view details the base of the unit, showing overall dimensions and indicating specific areas designated for conduit placement.

• Overall dimensions are detailed, e.g., a length of 2690.8 mm (106 in).
• Designated areas for conduit entry are marked.

Side Views

Side views provide detailed external dimensions of the drive enclosure. Key features include:

• Overall dimensions for depth and height.
• Identification of 'LIFTING HOLES FOR FILTER' and 'LIFTING HOLES FOR DRIVE' on the top surface of the enclosure.

Details

Specific details are provided for mounting and connections:

• Detail C: Shows a pattern of 24X 14.0 mm (0.6 in) holes, with a specific hole size of 18.0 mm (0.7 in).

Cooling and Ventilation

Important notes regarding cooling and ventilation are provided:

• VLT Frequency Converters must be installed vertically with minimum indicated free space above the enclosure.
• IP21/UL Type NEMA 1 and IP54/UL Type NEMA 12 units can be mounted side-by-side with no minimum clearance.
• Failure to reinstall cabinet floor gland plates can negatively affect internal cooling capacity and cause trip faults.
• Standard cooling configuration involves intake through the base cable plinth and exhaust out the top. Doors are equipped with fans for cabinet cooling.
• Optional 'Back Wall Cooling' configuration has intake through the lower rear of the cabinet and exhaust out the top. Consult the factory when placing units next to each other in this configuration.

Mounting and Lifting

Information on mounting and lifting procedures:

• The filter is not intended to be wall-mounted.
• The filter is intended to be lifted using the brackets located on the top of the enclosure.

Ratings

The units are rated for IP21/IP54 and NEMA 1/NEMA 12 environments.

Internal Cabinet Details

Schematic views of internal cabinet components are provided:

• Filter Cabinet Detail: Shows the internal layout and components of the filter cabinet.
• Rectifier Cabinet Detail: Shows the internal layout and components of the rectifier cabinet.
• Busbar connections for the Options Cabinet and Rectifier Cabinet are indicated.

Terminal Location References

For detailed terminal locations, refer to the following documents:

• Refer to 177R0036 for terminal locations.
• Refer to 177R0035 for terminal locations.

Document Information

Drawing Title: INST, MTG, SERIES 6, LHD330, F FRAME

Drawing Number: 177R0354

Revision: 004

Sheet: 5 of 5

Scale: 0.150

Manufacturer: Danfoss

Dimensions: Millimeters (mm) / Inches (in)

Weights: Kilograms (KGS) / Pounds (LBS)