
Chapter 6 Operating Instructions
Shield M10U user manual
35
Warning
During this procedure the UPS output terminals are live. If any load equipment are connected to the UPS output
terminals please check with the load user that it is safe to apply power: If the load is not ready to receive power then
ensure that it is safely isolated from the UPS output terminals.
2.
Close external output circuit breaker. Close external mains input circuit breaker and connect the mains power.
The LCD starts up at this time. The Rectifier indicator flashes during the startup of rectifier. The rectifier enters
normal operation state, and after about 20s, the rectifier indicator goes steady green. After initialization, the bypass
static switch closes. The UPS Mimic LEDs will indicate as following:
LED
Status
Rectifier indicator
Green
Battery indicator
Red
Bypass indicator
Green
Inverter Indicator
Off
Load indicator
Green
Status indicator
Red
3.
The inverter starts up automatically.
The inverter indicator flashes during the startup of inverter. After about
1minute, the inverter is ready, the UPS transfers from bypass to inverter, the bypass indicator turns off, and the
inverter and load indicators turn on. The UPS is in normal mode. The UPS Mimic LEDs will indicate as following:
LED
Status
Rectifier indicator
Green
Battery indicator
Red
Bypass indicator
Off
Inverter Indicator
Green
Load indicator
Green
Status indicator
Red
4.
Close external battery switch, battery indicator turns off, a few minutes later, the battery will be charged by UPS.
The UPS Mimic LEDs will indicates as following:
LED
Status
Rectifier indicator
Green
Battery indicator
Green
Bypass indicator
Off
Inverter Indicator
Green
Load indicator
Green
Status indicator
Green
Note
The panel on 6-power modules cabinet has 6 mimic indicators: rectifier, inverter, bypass, battery, load, status.
The panel on 2/4-power modules cabinet has only status LED.
6.2.2 Procedures for Switching Between Operation Modes
Switch from normal mode to bypass mode
Press “
” menu in menu “operate” to switch to bypass mode.
Note
In bypass mode, the load is directly fed by the mains power instead of the pure AC power from the inverter.
Switch from bypass mode to normal mode
Press “
” menu in bypass mode. After the inverter enters in normal operation, the UPS transfers to normal mode.
警告
危 险
警告
危 险
警告
危 险
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