Step-by-Step Installation
4-4
MVX9000 User Manual
Start-Up
Procedures
Please observe this checklist while mounting the inverter:
•
The ambient temperature must be in the range of -10 to 50ºC (1/2 to 5 hp).
•
The ambient temperature must be in the range of -10 to 40ºC (7-1/2 to 10 hp).
If the range will be up to 50ºC, set the carrier frequency to 2.1 kHz or less and
derate the output current to 80% or less.
Chapter 5
covers how to change
parameters such as the carrier frequency.
•
Keep any other heat-producing equipment as far away from the inverter as
possible.
•
When installing the inverter in an enclosure, maintain the clearance around
the inverter and verify that its ambient temperature is within specification
when the enclosure door is closed.
• Do not open the main front panel door at any time during operation.
Step 3
: Before proceeding to the wiring section, temporarily cover the inverter’s
ventilation openings. Paper and masking tape is all that is needed to do this. This
will prevent harmful debris such as wire clippings and metal shavings from
entering the inverter during installation.
Inverter Mounting
Step 4
: Locate the applicable drawing in the Appendix for the inverter unit.
Dimensions are given in inches (millimeters) format.
Note:
Some inverter housings require two mounting screws, while others require
four. Be sure to use lockwashers or other means to ensure screws do not loosen
due to vibration.
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