Danfoss VLT 2800 Operations Instructions download pdf (Page 2)

1Quick Guide

1.1 Safety

1.1.1 Warnings

High Voltage Warning:

The voltage of the frequency converter is dangerous whenever it is connected to

mains. Incorrect installation of the motor or frequency converter may cause damage

to the equipment, serious injury or death. Consequently, it is essential to comply

with the instructions in this manual as well as local and national rules and safety

regulations.

Warning:

Touching the electrical parts may be fatal - even after the equipment has been dis-

connected from mains.Also make sure that other voltage inputs have been discon-

nected (linkage of DC intermediate circuit). Be aware that there may be high voltage

on the DC link even when the LEDs are turned off. Before touching any potentially

live parts of the frequency converter, wait at least 4 minutes.

Leakage Current:

The earth leakage current from the frequency converter exceeds 3.5 mA. According

to IEC 61800-5-1 a reinforced Protective Earth connection must be ensured by

means of a min. 10mm² Cu or an addtional PE wire - with the same cable cross

section as the Mains wiring - must be terminated separately.

To increase safety, install an RCD

Residual Current Device:

This product can cause a DC current in the protective conductor. Where a residual

current device (RCD) is used for extra protection, only an RCD of Type B (time de-

layed) shall be used on the supply side of this product. See also Danfoss Application

Note on RCD, MN.90.GX.YY.

Protective earthing of the frequency converter and the use of RCDs must always

follow national and local regulations.

Motor Thermal Protection:

Protection against Motor overload is not included in the factory setting. If this func-

tion is required, set par. 128

Motor Thermal Protection

to data value

ETR trip

or data

value

ETR warning

. For the North American market: The ETR functions provide

overload protection of the motor, class 20, in accordance with NEC.

Installation in high altitudes:

For altitudes above 2 km, please contact Danfoss regarding PELV.

VLT 2800 Quick Guide 1 Quick Guide

MG.28.M1.02 - VLT

is a registered Danfoss trademark

Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.ctiautomation.net - Email: [email protected]

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Danfoss VLT 2800 Operations Instructions Page 2

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