How To Install; Before Starting; Side-By-Side Installation; Before Commencing Repair Work - Danfoss VLT Micro Drive FC 51 Design Manual

How to Install

6 How to Install

6.1 Before Starting

6.1.1 Checklist
When unpacking the frequency converter, make sure that
the unit is undamaged and complete. Check that the
packaging contains the following:
•
®
VLT
•
Quick Guide
6 6
Optional: LCP and/or decoupling plate.
Illustration 6.1 Content of Box

6.4 Mechanical Dimensions

A template for drilling is on the flap of the packaging.
42
Micro Drive FC 51
Danfoss A/S © 01/2016 All rights reserved.
®
VLT Micro Drive FC 51

6.2 Side-by-Side Installation

The frequency converter can be mounted side-by-side for
IP20 rating units and requires 100 mm (3.94 in) clearance
above and below for cooling. Regarding surroundings in
general, see chapter 9 Specifications.
Illustration 6.2 Side-by-side Installation

6.3 Before Commencing Repair Work

1.
2.
3.
4.
Disconnect the FC 51 from mains (and external
DC supply, if present).
Wait for 4 minutes (M1, M2, and M3) and 15
minutes (M4 and M5) for discharge of the DC-link.
See Table 2.1.
Disconnect the DC bus terminals and the brake
terminals (if present).
Remove the motor cable.
MG02K402