Service manual

www.enc.net.cn/en Tel/Fax:[phone] Run and operation explanation for inverter
41
4.3 Inverter electrification
4.3.1 Check before electrification
Please carry on wiring based on operation requirement provided in “inverter
wiring” of this Service manual.
4.3.2 First electrification
Close input side AC power
supply switch after correct wiring
and power supply confirmed,
electrify the inverter and keypad
LED display “-EN-”, contactor
closed normally, LED displayed
set frequency shows that
electrification is finished. First
electrification operation process is
shown as figure in the page.
Fig. 4-12 first electrification operation flow
display-EN-？
Hear contactor closed sound？
display set frequency?
cut off power
success
check reason
failure
Y
Y
Y
Y
N
N
N
start
wiring based on 3.5 section
wiring correct?
input voltage correct?
electrif
y
Y
Y
N
N