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
Wire the batteries as indicated in the table below to obtain the required backup time: 2, 4 or 8 hours.
Use sealed
Typical backup times at |
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rated power | 2 hours | 4 hours | 8 hours |
1500 VA, 1050 W |
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Configuration | 2 parallel strings each | 2 parallel strings each | 4 parallel strings each made |
| made up of 4 x 12 V / 40 Ah | made up of 4 x 12V / 65 Ah | up of 4 x 12 V / 65 Ah |
Batteries CSB, Panasonic, | batteries connected in | batteries connected in | batteries connected in |
Sonnenschein, CEAC, ... | series for a total voltage (for | series for a total voltage | series for a total voltage (for |
| the 8 batteries) of 48Ê V. | (for the 8 batteries) of 48Ê V. | the 16 batteries) of 48 V. |
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Connecting the battery configuration to the UPS
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 10Ê kA).
ON
OFF
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 mm2 conductors (Battery+, Battery- and earth) fitted with metal caps at both ends (we recommend using a shielded cable for equipment that is sensitive to disturbances).
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