Mains input
Public input terminal
Public output terminal block
Load Load Load Load - - -
Parallel UPS connection
I.,- I
RS T N
R S T N ER S TN
+ -
Bypass input
Output
Main input
Battery1
Two parallel UPS connection
+ -
Battery2
• For standard model UPS, each UPS has inbuilt battery group; for long time model
UPS, it needs to equip separated external battery group.
• Verify all connection after parallel installation is completed. Operate the parallel
UPS after confirming correct.
• In the condition of each single UPS running, set the physical address (ID) of each
UPS, and ensure that each ID is different.
• In the condition of each single UPS running, set the output voltage (OPU) of each
UPS, and ensure that each OPU is same.
• Verify if the parallel cables of all UPS are connected firmly, perform startup and
finish parallel installation.
~13~
