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SPI9000 Inverter Unit FI9 – FI14 User Manual
MN04004002E
For more information visit: www.EatonElectrical.com 6-1
September 2006
Chapter 6 — Start-Up
Safety Precautions
Before start-up, note the following directions and warnings:
WARNING
Internal components and circuit boards of the inverter
(except for the galvanically isolated I/O terminals) are live
when the inverter is connected to mains potential. Coming
into contact with this voltage is extremely dangerous and
may cause death or severe injury.
The motor terminals U, V, W and the DC-link/brake resistor
terminals+/- are live when the inverter is connected to DC
supply, even if the motor is not running.
The control I/O-terminals are isolated from the mains
potential. However, the relay outputs and other I/O-
terminals may have a dangerous control voltage present
even when the inverter is disconnected from DC supply.
Do not make any connections when the inverter is
connected to the DC supply.
After having disconnected the inverter, wait until the fan
stops and the indicators on the keypad go out (if no keypad
is attached see the indicator through the keypad base). Wait
5 more minutes before doing any work on inverter
connections. Do not open the cover before the time has
expired.
Before connecting the inverter to DC supply, make sure that
the inverter’s front cover is closed.
When running, the side of inverter FR8 is burning hot. Do
not touch it with bare hands!
When running, the back of inverter FR6 is burning hot.
Therefore it MUST NOT be mounted onto a surface which is
not fireproof.
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