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 Micro Drive FC 51
•
Quick Guide
Optional: LCP and/or de-coupling plate.
Illustration 6.1 Content of box
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®
VLT Micro Drive FC 51 Design Guide

6.2 Side-by-Side Installation

The frequency converter can be mounted side-by-side for
IP 20 rating units and requires 100 mm clearance above
and below for cooling. Regarding surroundings in general,
see 7 Programming.
Illustration 6.2 Side-by-side Installation

6.3 Before Commencing Repair Work

®
MG02K202 - VLT is a registered Danfoss trademark
1. Disconnect FC 51 from mains (and external DC
supply, if present.)
2. Wait for 4 min (M1, M2 and M3) and 15 min (M4
and M5) for discharge of the DC-link. See
Table 2.1.
3. Disconnect DC bus terminals and brake terminals
(if present).
4. Remove motor cable.
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