Smart Tower UPS 10-30KVA User Manual
Chapter 5 Operating Procedurce
21
Warning
Please confirm that UPS output rotating switch point to UPS, with anti-misoperation stop plate for
rotating switch is fixed well.
1. Close UPS bypass input switch and input switch in turns
The LCD starts up at this time. The Rectifier indicator flashes during the rectifier startup. The rectifier
enters normal operation state, and after about 30s, the rectifier indicator goes steady green. After
initialization, the bypass static switch closes. The UPS Analogue LEDs indicate as shown in table 5-1:
Table 5-1 Indicator status
LED
Status
Rectifier indicator
Green
Battery indicator
Red
Bypass indicator
Green
Inverter indicator
Off
Load indicator
Green
Status indicator
Green
Warning
The bypass input circuit breaker must be switched on first, then the input circuit breaker, otherwise,
the rectifier could not be started and the power would be out of the system’s control.
During the inverter starts up time, the inverter indicator flashes. After the rectifier enters normal
operation state, UPS power supply will transfer from bypass to inverter, then the bypass indicator turns off,
and load indicator lights on. The status of indicators is shown in table 5-2
Table 5-2 Indicators Status
LED
Status
Rectifier indicator
Green
Battery indicator
Red
Bypass indicator
Off
Inverter indicator
Green
Load indicator
Green
Status indicator
Green
If UPS belongs to build-in battery type, please close the internal battery DC switch. Battery indicator
will be off a few minutes later, the battery will be charged by UPS which is running in normal operation
mode. The indicator status is shown in table 5-3.
If your UPS is without build-in battery type, please close the external battery DC switch.
Warning
Please confirm battery connection correct before closing external battery switch.
Table 5-3 Indicator status
LED
Status
Rectifier indicator
Green
Battery indicator
Green
Bypass indicator
Off
Inverter indicator
Green
Load indicator
Green
Load indicator
Green