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2.1.9 IT Mains
IT mains
Do not connect frequency converters with RFI-filters
to mains supplies with a voltage between phase and
earth of more than 440 V for 400 V converters and
760 V for 690 V converters.
For 400 V IT mains and delta earth (grounded leg),
mains voltage may exceed 440 V between phase and
earth.
For 690 V IT mains and delta earth (grounded leg),
mains voltage may exceed 760 V between phase and
earth.
Failure to follow recommendations could result in
death or serious injury.
Par. 14-50
RFI Filter
can be used to disconnect the internal RFI capaci-
tors from the RFI filter to ground.
2.1.10 Software Version and Approvals: VLT HVAC Drive
VLT HVAC Drive
Software version: 3.2.x
This manual can be used with all VLT HVAC Drive frequency con-
verters with software version 3.2.x.
The software version number can be seen from par. 15-43
Soft-
ware Version
.
2.1.11 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.
2 Safety
VLT HVAC Drive High Power Operating In-
structions
12
MG.11.F3.02 - VLT
®
is a registered Danfoss trademark
2