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USER MANUAL
PRIME PLUS � 1/1 � 1-3 kVA � ΟNLINE UPS
10
India Type Thailand Type
China Type South Africa Type
1. Programmable outlets: connect to non-critical loads.
2. Output receptacles: connect to mission-critical loads.
3. AC input
4. Network/Fax/Modem surge protection
5. USB communication port
6. RS-232 communication port
7. SNMP intelligent slot
8. Emergency power off function connector (EPO)
9. External battery connection
2-2. Operating principle
The operating principle of the UPS is shown as below
EMI/RFI
F
ilters
Battery
C
harger
Battery
DC-to-DC
Converter
Inverter
Rectifier
/PFC
Input
Output
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.
Dynamic
B
ypass
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 (Only for RT Models)
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 Step 2 Step 3
Remove front panel. Connect the AC input and
re-connect battery wires.
Put the front panel back to the
unit.
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 Step 2