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51031998EN/AA
2. Installation
2.5 Battery connection
Warning
The batteries should be connected only by qualified electrical installation specialists.
The work involved in connecting the batteries must be carried out in accordance with all applicable rules and regulations,
respecting all safety measures for working on live equipment, i.e. qualified personnel using insulated gloves, protective
eyeware, insulated tools, etc.
Interconnecting the batteries to obtain the required configuration
Connecting the battery configuration to the UPS
Wire the batteries as indicated in the table below to obtain the required backup time: 2, 4 or 8 hours.
Use sealed lead-acid batteries only with ratings of 12 V / 45 Ah for 2-hour configurations and 12 V / 65 Ah for 4-hour and
8-hour backup times.
Typical backup times at
rated power
1500 VA, 1050 W
Configuration
Batteries CSB, Panasonic,
Sonnenschein, CEAC, ...
2 hours
2 parallel strings each
made up of 4 x 12 V / 40 Ah
batteries connected in
series for a total voltage (for
the 8 batteries) of 48␣ V.
4 hours
2 parallel strings each
made up of 4 x 12V / 65 Ah
batteries connected in
series for a total voltage
(for the 8 batteries) of 48␣ V.
8 hours
4 parallel strings each made
up of 4 x 12 V / 65 Ah
batteries connected in
series for a total voltage (for
the 16 batteries) of 48 V.
The cable and circuit breaker are not supplied.
Connect the battery configuration to terminal
8
of the UPS via a protective circuit breaker (40 A, C curve, short circuit
10␣ kA).
The circuit breaker must remain open
(OFF position).
The connection is made using a cable no more than 6 m long made up of 3 x 6/8 mm
2
conductors (, Battery- and
earth) fitted with metal caps at both ends (we recommend using a shielded cable for equipment that is sensitive to
disturbances).
ON
OFF
