3. After you perform the settings, the
Bypass mode
and
No battery
alarms are reported by the
MDU and do not need to be cleared. If there is any other alarm, you need to rectify the fault.
4. (Optional) Set ATS parameters.
5. View the system running status diagram on the MDU to check that the UPS is working in bypass
mode.
17
System User
LCD Preset Password
admin (system administrator)
000001
operator (common user)
000001
1. On the main menu, choose
Common Functions
and tap
Inv. ON
.
2. In the displayed login window, enter the user name and password, and tap .
3. In the displayed dialog box, tap
Yes
to start the inverter.
Starting inverter
8.3
To ensure system security, change the LCD passwords after the first login.
1. Close the battery string circuit breaker. (If there are multiple battery strings, close the circuit
breaker for each battery string and then the general circuit breaker between battery strings and
the UPS.) The No battery alarm disappears.
2. Turn on the UPS output circuit breaker QF3.
3. Close the UPS downstream output switch to supply power to the loads.
Powering On Loads
8.4
