1.2 Introduction
1.2.1 Available Literature
This Quick Guide contains basic information necessary for
installing and running the adjustable frequency drive.
Supplementary publications and manuals are available
from Danfoss. See
www.danfoss.com/BusinessAreas/DrivesSo-
lutions/ Documentations/VLT+TeDocumentation.htm
for listings.
1.2.2 Approvals
Certification
IP20
EC Declaration of
Conformity
✓
UL-listed
✓
C-tick
✓
Table 1.2 Approvals
The adjustable frequency drive complies with UL508C
thermal memory retention requirements. For more
information, refer to the section
Motor Thermal Protection
in the
Design Guide
.
1.2.3 IT Line Power
CAUTION
IT Line Power
Installation on isolated line power source, that is, IT line
power.
Max. supply voltage allowed when connected to line
power: 440 V (3x380–480 V units).
Open the RFI switch by removing the screw on the side of
the adjustable frequency drive when at IT grid.
130BB612.10
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RFI switch
Figure 1.1 IP20
CAUTION
If reinserted, only use M3x12 screws.
1.2.4 Avoid Unintended Start
While the adjustable frequency drive is connected to line
power, the compressor can be started/stopped using
digital commands, bus commands, references or via the
LCP.
•
Disconnect the adjustable frequency drive from
line power whenever personal safety consider-
ations make it necessary to avoid unintended
start of any compressors.
•
To avoid unintended start, always press [Off/
Reset] before changing parameters.
1.2.5 Disposal Instruction
Equipment containing electrical components
may not be disposed of together with domestic
waste.
It must be separately collected with electrical
and electronic waste according to local and
currently valid legislation.
Quick Guide
Quick Guide
MG18M122
Danfoss A/S © Rev. 08/2014 All rights reserved.
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