Danfoss FC 102 User Manual

2 Safety
2.1 Safety Symbols
The following symbols are used in this guide:
WARNING
Indicates a potentially hazardous situation that could
result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation that could
result in minor or moderate injury. It can also be used to
alert against unsafe practices.
NOTICE
Indicates important information, including situations that
can result in damage to equipment or property.
2.2 Qualied Personnel
Correct and reliable transport, storage, installation,
operation, and maintenance are required for the trouble-
free and safe operation of the drive. Only qualied
personnel are allowed to install or operate this equipment.
Qualied personnel are dened as trained sta, who are
authorized to install, commission, and maintain equipment,
systems, and circuits in accordance with pertinent laws and
regulations. Also, the personnel must be familiar with the
instructions and safety measures described in this manual.
2.3
Safety Precautions
WARNING
HIGH VOLTAGE
Drives contain high voltage when connected to AC mains
input, DC supply, load sharing, or permanent motors.
Failure to use qualied personnel to install, start up, and
maintain the drive can result in death or serious injury.
•
Only qualied personnel must install, start up,
and maintain the drive.
WARNING
UNINTENDED START
When the drive is connected to AC mains, DC supply, or
load sharing, the motor can start at any time.
Unintended start during programming, service, or repair
work can result in death, serious injury, or property
damage. The motor can start with an external switch, a
eldbus command, an input reference signal from the
LCP or LOP, via remote operation using MCT 10 Set-up
Software, or after a cleared fault condition.
To prevent unintended motor start:
•
Press [O/Reset] on the LCP before
programming parameters.
•
Disconnect the drive from the mains.
•
Completely wire and assemble the drive, motor,
and any driven equipment before connecting
the drive to the AC mains, DC supply, or load
sharing.
WARNING
DISCHARGE TIME
The drive contains DC-link capacitors, which can remain
charged even when the drive is not powered. High
voltage can be present even when the warning LED
indicator lights are o. Failure to wait 40 minutes after
power has been removed before performing service or
repair work can result in death or serious injury.
•
Stop the motor.
•
Disconnect AC mains and remote DC-link
supplies, including battery back-ups, UPS, and
DC-link connections to other drives.
•
Disconnect or lock motor.
•
Wait 40 minutes for the capacitors to discharge
fully.
•
Before performing any service or repair work,
use an appropriate voltage measuring device to
make sure that the capacitors are fully
discharged.
WARNING
LEAKAGE CURRENT HAZARD
Leakage currents exceed 3.5 mA. Failure to ground the
drive properly can result in death or serious injury.
•
Ensure the correct grounding of the equipment
by a certied electrical installer.
Safety VLT® HVAC Drive FC 102
4 Danfoss A/S © 01/2017 All rights reserved. MG16O102
22

Danfoss FC 102 Specifications

General

Brand	Danfoss
Model	FC 102
Category	DC Drives
Language	English