6 Use and Operation
MY Series (10kVA-40kVA) UPS
User Manual
88
Start load
according to "high power device
→
small power device", which is to avoid overload
protection when starting high power device.
----End
6.3 Shutdown Operation
Step 1
Close load and keep the UPS running without load for about 10min to exhaust heat.
Step 2
Press "
" and "
" button (LCD) for 2s at the same time or "OFF" combination button (touch
screen) for 1s at the same time on the front panel to shut down the UPS.
Step 3
Switch off the external battery, bypass and mains switch.
----End
6.4 Parallel System Operation
6.4.1 Start Parallel System
Before completely starting the parallel system, please do not start load, and ensure that all switches of
output distribution cabinet are off.
The following steps for start the parallel system:
Step 1
Ensure that each unit of parallel system is installed properly, start each unit of parallel system
according to the 6.2 Startup Operation one by one.
Step 2
After each unit in parallel system outputs by inverter, measure the inverter voltage of each paralleled
unit. The voltage difference between max. and min. voltage should be within 8V. Close the breaker
of paralleled unit in parallel distribution cabinet, measure the circulating current of parallel unit, and
the current should be less than 3A.
When the voltage different larger than 8V, measure the output voltage of the UPS and check if the
output are all 220V, if the voltage different larger than 15V, please report it to our company to