2-2. Operating principle
The operating principle of the UPS is shown as below
The UPS is composed of mains input, EMI/RFI filters, rectifier/PFC, inverter, battery charger,
DC-to-DC converter, battery, dynamic bypass and UPS output.
2-3. Install the UPS
For safety consideration, the UPS is shipped out from factory without connecting battery wires.
Before install the UPS, please follow below steps to re-connect battery wires first.
Step 1
Remove front panel.
This UPS can be either displayed on the desk or mounted in the 19" rack chassis. Please choose
proper installation to position this UPS.
Rack-mount Installation
Step 1
Input
EMI/RFI
Filters
Step 2
Connect the AC input,
remove battery cover plate,
and connect battery wires.
Dynamic
Bypass
Rectifier
/PFC
DC-to-DC
Converter
Battery
Battery
Charger
Step 2
7
Output
Inverter
Step 3
Re-install battery cover plate and
put the front panel back to the
unit.