Section IX. Maintenance
9-4. Measuring and Judgment
※ If the current is measured with the general instrument, imbalance will
exists for the current at the input terminal. Generally, differing by not
more than 10% is normal. If it differs by 30%, inform the factory to
replace the rectification bridge, or check if the error of three-phase
input voltage is above 5V.
※ If the three-phase output voltage is measured with a general
multi-meter, the reading is not accurate due to the interference of
carrier frequency and only for reference.
Section X. Options
The series can acquire the peripheral equipment by user because of the
different using condition and requirement. See the wiring diagram as below:
ALARMFWD VAHZ
% S
℃
REV
DIGITAL OPERATOR
JP-10
RUN
STOP
RESET
PRG
SET
ESC
DISPL
10-1. MCCB OR ELCB
As power switch of the inverter, MCCB or ELCB can protect supply power,
but can’t control inverter to run or stop.
10-2. Noise filter
The filter is used to restrain the conduction of electrical magnetic wave
interference noise produced by the converter or shock the interferential form
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