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3.1.2 Storage
Ensure that requirements for storage are fulfilled. Refer to
chapter 9.4 Ambient Conditions
for further details.
3.2 Installation Environment
NOTICE
In environments with airborne liquids, particles, or
corrosive gases, ensure that the IP/Type rating of the
equipment matches the installation environment. Failure
to meet requirements for ambient conditions can reduce
lifetime of the frequency converter. Ensure that
requirements for air humidity, temperature, and altitude
are met.
Vibration and shock
The frequency converter complies with requirements for
units mounted on the walls and floors of production
premises, and in panels bolted to walls or floors.
For detailed ambient conditions specifications, refer to
chapter 9.4 Ambient Conditions
3.3 Mounting
NOTICE
Improper mounting can result in overheating and
reduced performance.
Cooling
•
Ensure 100 mm (3.9 in) of top and bottom
clearance for air cooling.
Lifting
•
To determine a safe lifting method, check the
weight of the unit, see
•
Ensure that the lifting device is suitable for the
task.
•
If necessary, plan for a hoist, crane, or forklift with
the appropriate rating to move the unit.
•
For lifting, use hoist rings on the unit, when
provided.
Mounting
To adapt the mounting holes of VLT
®
Midi Drive FC 280,
contact the local Danfoss supplier to order a separate
backplate.
To mount the frequency converter:
1.
Ensure that the mounting location is strong
enough to support the unit weight. The
frequency converter allows side-by-side instal-
lation.
2.
Place the unit as close to the motor as possible.
Keep the motor cables as short as possible.
3.
Mount the unit vertically to a solid flat surface or
to the optional backplate to provide cooling
airflow.
4.
When provided, use the slotted mounting holes
on the unit for wall mounting.
NOTICE
For dimensions of mounting holes, see
chapter 9.9 Enclosure Sizes, Power Ratings, and
Dimensions
3.3.1 Side-by-side Installation
Side-by-side installation
All VLT
®
Midi Drive FC 280 units can be installed side by
side in vertical or horizontal position. The units do not
require extra ventilation on the side.
130BE615.12
Illustration 3.2 Side-by-side Installation
NOTICE
RISK OF OVERHEATING
If IP21 conversion kit is used, mounting the units side by
side could lead to overheating and damage to the unit.
•
Avoid mounting the units side by side if IP21
conversion kit is used.
Mechanical Installation
VLT
®
Midi Drive FC 280
10
Danfoss A/S © 10/2017 All rights reserved.
MG07A402
3
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