Technical data

Chapter 5 Operation
33
AC circuit breaker is turned on.
(2) Referring to “6.3.6 System setup”, move the cursor
from the main operation interface to“4 Setting”, press
ENTER and go to submenu “6 OtherCmd”. Then move the
cursor to “1 De-energy” and press ENTER, as shown in
Figure 5-1. After pressing ENTER to confirm, the DC bus
capacitor begins to discharge, as shown in Figure 5-2.
Figure 5-1 Inverter de-energy interface
Figure 5-2 De-energy ongoing
(3) When “De-energy” is successfully completed (Figure
5-3), press “ESC” to return to the main menu. Check the PV
voltage on the LCD according to “6.3.3 Operation
information” or check the voltage of DC bus capacitor with a
voltmeter. Don’t turn off the AC circuit breaker and maintain
the inverter until the DC bus capacitor is discharged to safe
voltage, as shown in Figure 5-3.