LEVELUPS SERİSİ 10-20 KVA OPERATION
AG-SD-83 / Publication Date: 15.09.2014 / Rev. No: 0 / Rev. Date:
Input and output of more than one UPS are connected to each other; but definitely each battery
group is different from another, batteries cannot be used in common. The following points
should be considered while placement of UPS in parallel system and their electrical connections
are made:
The UPSs which are connected in parallel must be from the same series and must have
the same rated power.
Devices must be running on the same firmware, if not, old firmware must be updated.
Devices must be located as close possible as to each other (max. 6 x 110 cm paralleling
cables.)
Each device must have its own ground cable.
UPS must be connected in parallel on the distribution panel an phases must be connected
correctly. . (U
1
-U
2
-…-U
N
), (V
1
-V
2
-…-V
N
), (W
1
-W
2
-…-W
N
).
Each UPS must have their own battery set, batteries cannot be used for more than one
device at the same time.
Power input and output cables from the device to the distribution board must be equal in
length and cross section in order to proceed equal current sharing.
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