Unidrive
LV
model sizes 1 to 3 Installation Guide
Issue code: uliu1
1-2 Safety Information
Before connecting the AC supply to the Drive, it is
important that you understand the operating
controls and their operation. If in doubt, do not
adjust the Drive. Damage may occur, or lives put at
risk. Carefully follow the instructions in this
Installation Guide.
Before making adjustments to the Drive, ensure all
personnel in the area are warned. Make notes of all
adjustments that are made.
1.7 Risk analysis
In any application where a malfunction of the Drive
could lead to damage, loss or injury, a risk analysis
must be carried out, and where necessary, further
measures taken to reduce the risk. This would
normally be an appropriate form of independent
safety back-up system using simple electro-
mechanical components.
1.8 Motor
Ensure the motor is installed in accordance with the
manufacturer’s recommendations. Ensure the
motor shaft is not exposed.
Standard squirrel-cage induction motors are
designed for single-speed operation. If it is
intended to use the capability of the Drive to run a
motor at speeds above its designed maximum, it is
strongly recommended that the manufacturer is
consulted first.
Low speeds may cause the motor to over-heat
because the cooling fan becomes less effective.
The motor should then be fitted with a protection
thermistor. If necessary, a separate cooling fan
should be used.
If a Drive is to be used to control a number of
motors, special measures need to be taken to ensure
protection of the motors; refer to Motor protection
in Appendix A Motor Information.
1.9 Adjusting parameters
Some parameters have a profound effect on the
operation of the Drive. They must not be altered
without careful consideration of the impact on the
controlled system. Measures must be taken to
prevent unwanted changes due to error or
tampering.
To Next Page
Loading...
Need help?
General
