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CHAPTER 3
Various Operating Functions
3.1 Functions and adjustments
The VF-A3 inverter is designed with a wide variety of functions to meet the requirements of a broad
range of applications.
Operation as well as adjustment functions comprise the inverter's first and second functions. The
ranges of adjustment for these functions are listed in Table 3.t
The methods for making settings and monitoring will be explained in Sections 3.1.1 (page 22) and
3.1.2 (page 23), and the role, selection and setting of each function will be explained in the
respective explanatory items.
* During a run, you cannot adjust the "standard setting mode(
t ' : 1,0 )
(page 34)" and the "maximum
frequency (
,c
H ) (page 36). Before you can adjust these values, you must stop the inverter.
* When the inverter's "CHARGE" lamp is lit, the voltage level in the inverter's live circuits is
sufficient to cause bodily injury or damage equipment. Therefore, do not touch the inverter's
PWB, terminal block, or main circuit with your bare hands when the "CHARGE" lamp is lit.
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