Before servicing the industrial fan, read and follow the
Safety Practices on page 3 and the Operation section
in this manual. Failure to do so could result in death or
serious injury.
Before doing any electrical work, make certain the power
is disconnected and properly locked or tagged off. Failure
to do so may result in death or serious injury. All electrical
troubleshooting and repair must be done by a qualied
technician and meet all applicable codes. Do not route
control wiring for any other device through this control
box. Ensure that the voltage and phase of the incoming
power agrees with the label located on top of the VFD
enclosure and fan. Be certain power is off when wiring to
the control box. Failure to do so could result in electrical
shock, death or serious injury.