Danfoss VLT HVAC Basic Drive FC 101 Spezifikationen PDF herunterladen (Seite 4)

1.2 Introduction

1.2.1 Available Literature

This quick guide contains the basic information necessary

for installing and running the frequency converter. If more

information is needed, literature can be found on the

enclosed cd or downloaded from:

http://www.danfoss.com/Products/Literature/Technical

+Documentation.htm

1.2.2 Approvals

1.2.3 IT Mains

CAUTION

IT Mains

Installation on isolated mains source, i.e. IT mains.

Max. supply voltage allowed when connected to mains:

440 V (3 x 380-480 V units).

On IP20 200-240 V 0.25-11 kW and 380-480 V IP20 0.37-22

kW, open the RFI switch by removing the screw on the

side of the frequency converter when at IT grid.

130BB612.10

Illustration 1.1 IP20 200-240 V 0.25-11 kW, IP20 0.37-22 kW

380-480 V.

1: EMC screw

130BC251.10

Illustration 1.2 IP54 400 V 0.75-18.5 kW

1: EMC screw

On all units, set par. 14-50 RFI filter to OFF when operating

in IT mains.

CAUTION

If reinserted, only use M3 x 12 screw.

1.2.4 Avoid Unintended Start

While the frequency converter is connected to mains, the

motor can be started/stopped using digital commands, bus

commands, references or via the LCP.

•

Disconnect the frequency converter from mains

whenever personal safety considerations make it

necessary to avoid unintended start of any

motors.

•

To avoid unintended start, always activate the

[OFF] key before changing parameters.

Quick Guide VLT HVAC Basic Drive Quick Guide

MG18A302 - VLT

is a registered Danfoss trademark 3

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