Warning against unintended start
1. The motor can be brought to a stop by means
of digital commands, bus commands, refer-
ences or a local stop, while the frequency
converter is connected to mains.
If personal safety considerations make it nec-
essary to ensure that no unintended start
occurs,
these stop functions are not suffi-
cient.
2. While parameters are being changed, the
motor may start. Consequently,
the stop key
[STOP/RESET] must always be activated,
following which data can be modified.
3. A motor that has been stopped may start if
faults occur in the electronics of the frequen-
cy converter, or if a temporary overload or a
fault in the supply mains or the motor con-
nection ceases.
Use on isolated mains
See section RFI Switch regarding use on isolated
mains.
It is important to follow the recommendations regard-
ing installation on IT-mains, since sufficient protection
of the complete installation must be observed. Not tak-
ing care using relevant monitoring devices for IT-
mains may result in damage.
Warning:
Touching the electrical parts may be fatal - even after the equipment has been disconnected from mains.
Also make sure that other voltage inputs have been disconnected, such as external 24 V DC, load-sharing (linkage
of DC intermediate circuit), as well as the motor connection for kinetic back-up.
VLT 5001 - 5006, 200-240 V: wait at least 4 minutes
VLT 5008 - 5052, 200-240 V: wait at least 15 minutes
VLT 5001 - 5006, 380-500 V: wait at least 4 minutes
VLT 5008 - 5062, 380-500 V: wait at least 15 minutes
VLT 5072 - 5302, 380-500 V: wait at least 20 minutes
VLT 5352 - 5552, 380-500 V: wait at least 40 minutes
VLT 5001 - 5005, 525-600 V wait at least 4 minutes
VLT 5006 - 5022, 525-600 V: wait at least 15 minutes
VLT 5027 - 5062, 525-600 V: wait at least 30 minutes
VLT 5042 - 5352, 525-690 V: wait at least 20 minutes
VLT 5402 - 5602, 525-690 V: wait at least 30 minutes
VLT
®
5000 Design Guide
MG.52.B2.02 - VLT
®
is a registered Danfoss trademark 5
Introduction