Riello UPS MASTER HE - Power Connections Battery Side

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4.3.2 Power connections battery side.
BATTERY CABINET if provided:
For connection to the UPS, the battery cabinet must have an overcurrent protection device and a
disconnecting device.
This disconnector must be closed only when the UPS is started up regularly. In the phase of connection to
the UPS the disconnector must remain in the open position.
Each UPS with its own battery cabinet
DISCONNECTOR CABINET
For systems with more battery cabinets, it is necessary to use a Battery switch cabinet where the cables
can be connected in parallel (consult the commercial department). For the sizing of the cables and for the
connection procedure refer to the “INSTALLATION DRAWING” attached to the battery cabinet.
Several MASTER HE s connected to the same battery
TO CONNECT MORE UPS IN PARALLEL WITH ONLY ONE BATTERY:
Between battery cabinets and the UPS must be positioned a Battery switches cabinet , to allow the single
UPS maintenance, as shows the picture.
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Battery switch cabinet
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SW
Battery cabinet
Battery cabinet Battery cabinet
Battery switch cabinet
max 8 UPS
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Battery cabinet
SWBAT
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max 5 battery cabinet
SWBAT
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SW
SWBAT
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max 5 battery cabinet
SWBAT
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