1.2.2 Approvals
Certification IP20
EC Declaration of
Conformity
✓
UL Listed
✓
C-tick
✓
Table 1.2 Approvals
The frequency converter complies with UL508C thermal
memory retention requirements. For more information,
refer to the section Motor Thermal Protection in the
product specific design guide.
1.2.3
IT Mains
CAUTION
IT Mains
Installation on isolated mains source, that is, IT mains.
Max. supply voltage allowed when connected to mains:
440 V (3x380-480 V units).
Open the RFI switch by removing the screw on the side of
the frequency converter when at IT grid.
1
RFI switch
Illustration 1.1 IP20
CAUTION
If reinserted, only use M3x12 screw.
1.2.4 Avoid Unintended Start
While the frequency converter is connected to mains, the
compressor 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
compressors.
•
To avoid unintended start, always press [Off/
Reset] before changing parameters.
1.2.5
Disposal Instruction
Equipment containing electrical components
must 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.
1.3 Installation
1.3.1 Before Starting Repair Work
1. Disconnect from mains (and external DC supply, if
present).
2.
Wait as stated in Table 1.1 for discharge of the
DC-link.
3. Remove compressor cable.
1.3.2
Enclosure Types
Cooling capacity 400 V IP20
Enclosure
4 TR/VZH028 H3
5 TR/VZH035 H3
6.5 TR/VZH044 H4
Table 1.3 H3-H4, 400 V
Cooling capacity 200 V IP20
Enclosure
4 TR/VZH028 H4
5 TR/VZH035 H4
6.5 TR/VZH044 H5
Table 1.4 H4-H5, 200 V
Quick Guide
Quick Guide
MG18M102 Danfoss A/S © Rev. 09/2014 All rights reserved. 3
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