3.2 Installation Environments
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 adjustable frequency drive. Ensure that
requirements for air humidity, temperature and altitude
are met.
Vibration and Shock
The adjustable frequency drive complies with requirements
for units mounted on the walls and floors of production
premises, as well as in panels bolted to walls or floors.
For detailed ambient conditions specifications, refer to
8.4 Ambient Conditions.
3.3 Mounting
NOTICE!
Improper mounting can result in
overheating and reduced performance.
Cooling
•
Ensure that top and bottom clearance for air
cooling is provided. See Figure 3.4 for clearance
requirements.
Figure 3.4 Top and Bottom Cooling Clearance
Enclosure A2-A5 B1-B4 C1, C3 C2, C4
a (mm) 100 200 200 225
Table 3.4 Minimum Airflow Clearance Requirements
Lifting
•
To determine a safe lifting method, check the
weight of the unit, see 8.9 Power Ratings, Weight
and Dimensions.
•
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
1. Ensure that the strength of the mounting location
supports the unit weight. The adjustable frequency
drive allows side-by-side installation.
2. Mount the unit vertically on a solid flat surface or
on the optional backplate.
3. Use the slotted mounting holes on the unit for wall
mounting, when provided.
Mechanical Installation
VLT
®
HVAC Drive Instruction Manual
MG11AJ22 - Rev. 2013-09-13 11
3 3
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