Danfoss VLT AutomationDrive FC 302 Installation Instructions Manual - Page 2

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Danfoss VLT AutomationDrive FC 302 Installation Instructions Manual
Installation Instructions

1.3 Safety Instructions

CAUTION
TRAINING REQUIRED
Only certified technicians trained by Danfoss are allowed to
replace the parts described in these installation instructions.
Installation work done by non-qualified personnel can result
in personal injury or equipment damage. Make sure to read
and save these instructions.
WARNING
ELECTRICAL SHOCK HAZARD
®
VLT
frequency converters contain dangerous voltages when
connected to mains voltage. Improper installation, and
installing or servicing with power connected can cause
death, serious injury, or equipment failure.
To avoid death, serious injury, or equipment failure:
•
Only use qualified electricians for the installation.
•
Disconnect the frequency converter from all power
sources before installation or service.
•
Treat the frequency converter as live whenever the
mains voltage is connected.
•
Follow the guidelines in these instructions and local
electrical safety codes.
2
500 A Current Sensor Kit for
E1/E2 Enclosure Sizes
®
VLT
FC 102, FC 103, FC 202, FC 302
WARNING
DISCHARGE TIME
The frequency converter contains DC-link capacitors, which
can remain charged even when the unit is off. High voltage
can be present even when the warning indicator lights are
off. Failure to wait a minimum of 20 minutes after power is
removed before performing service work can result in death
or serious injury.
1.
2.
3.
4.
5.

1.4 Disassembly Guidelines

The current sensor kit includes an extra set of fasteners in
case any fasteners are missing or unusable. To make the
disassembly/reassembly process easier, use these general
guidelines:
1.
2.
3.
4.
5.
Danfoss A/S © 10/2016 All rights reserved.
Stop the motor.
Disconnect AC mains and remote DC-link supplies,
including battery back-ups, UPS, and DC-link
connections to other frequency converters.
Disconnect or lock PM motor.
Wait 20 minutes for the capacitors to discharge.
To verify full discharge, measure the voltage level.
Follow the disassembly instructions for each
component.
Place the component along with the removed
fasteners together in one place.
Replace old component with the new component
provided in the kit.
If any fasteners are stripped or lost, replace with
similar fastener from the kit.
Follow the installation instructions for replacing
and securing each component.
MI92Q102