Eaton 93E MK2 Installation And Operation Manual

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4.3 External Battery Cabinet InstallationBefore connecting the external battery, please read the notice and warning label on the battery cabinet.WARNING• In the event of malfunction, the battery cabinet chassis or battery cabinet frames may becomelive!• Special care should be taken when working with the battery cabinet associated with theequipment. Ensure the battery number is suited to the setting of the battery charging volt agebefore installing the batter y. When the battery cabinet is connected the overall voltage exceedsnominal voltage. It is very important to ensure that the batteries are installed separately, in adedicated battery cabinet.• Battery back-up time do not exceed one hour, if the battery setting shall be exceeded one hour,consult to the professional personnel.CAUTION• The most common battery type used in UPS installations is the valve regulated batter y. Valveregulated cells are not sealed. The amount of gas given off is less than for flooded cells, butwhen planning the battery installation, allowance must be made for adequate ventilation andheat dissipation. Valve regulated cells are not completely maintenance- free. They must be keptclean and their connections checked periodically to ensure they are tight, and that there is noevidence of corrosion. It is inevitable that the batteries will lose charge during transportation andstorage; before attempting to carry out an autonomy test, ensure that the batteries are fullycharged as this may take several hours. Cell performance typically improves after a fewdischarge/recharge cycles.• The requirements of the EC directives are satisfied when battery cabinet are used with originalaccessories. If alternative batteries are used, you must ensure that the applicable EC directivesare met and declare conformit y.Connect the battery cabinet as follows:1. Turn off the UPS.2. Check all the external battery breakers are open.3. Connect PE first.4. Connect the battery cabinet(s) with cables sized according to cable cross section and protective device.5. Specification to terminals + (positive pole) and - (negative pole).Refer to instructions provided with the battery cabinet or by vendor.WARNINGENSURE CORRECT POLARITY!25Eaton 93E MK2 UPS (10-40kVA, 380/400/415V) Installation and Operation