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FC 300
Instruction Manual
Software version: 4.0x
This Instruction Manual can be used for all FC 300 adjustable frequency drives with software version
4.0x.
The software version number can be seen in parameter 15-43.
High voltage warning
The voltage of the FC 300 is dangerous whenever the converter is connected to electrical
power. Incorrect fitting of the motor or adjustable frequency drive may cause damage to the
equipment, serious injury or death. Consequently, it is essential to comply with the instruc-
tions in this manual as well as local and national rules and safety regulations.
Safety Instructions
•
Make sure the FC 300 is properly connected to ground.
•
Do not remove mains plugs or motor plugs while the FC 300 is connected to mains.
•
Protect users against supply voltage.
•
Protect the motor against overloading according to national and local regulations.
•
Motor overload protection is not included in the default settings. To add this function, set pa-
rameter 1-90
Motor thermal protection
to value
ETR trip
or
ETR warning
. For the North American
market: ETR functions provide class 20 motor overload protection, in accordance with NEC.
•
The ground leakage current exceeds 3.5 mA.
•
The [OFF] key is not a safety switch. It does not disconnect the FC 300 from mains.
General warning
Warning:
Touching the electrical parts may be fatal - even after the equipment has been disconnected
from line power.
Make sure that other voltage inputs have been disconnected, such as load-sharing (linkage
of DC intermediate circuit), as well as the motor connection for kinetic back-up.
Using VLT
®
AutomationDrive FC 300: wait at least 15 minutes.
A shorter time is allowed only if indicated on the nameplate for the specific unit.
VLT
®
AutomationDrive FC 300 Instruction Manual
Safety Instructions and General Warning
8
MG.33.A8.22 - VLT
®
is a registered Danfoss trademark.