Preparation for System Installation

The installation of the battery system involves a series of activities from planning and initial receipt through final checkout and warranty registration. As part of this preparation activity the installer should develop a system schematic diagram which identifies how the individual batteries are to be placed on the rack, interconnected and numbered. The cabling received with the system presumes a specific rack and installation configuration. Obviously the racks must be assembled and installed prior to installation of the batteries.

Instructions for the rack assembly are contained in a separate document received with the racks. The batteries are rated at 77°F (25°C). Operation at cooler temperatures will decrease the discharging time. Operation at elevated temperatures will decrease the overall life of the battery. There is a 50% life reduction for each 15°F above 77°F.

Receiving Instructions

Upon receipt the shipment should be thoroughly inspected for any physical damage to the packaging and to assure the proper quantities of items are received. The packages should then be opened and the batteries inspected to assure there is no hidden damage. Special attention should be given to the containers and terminals of the received batteries.

Refer to the bill of material and determine that the items received are complete and as described on the bill of material. If any damage is noted, or the number of packages is different from the shipping papers, the carrier should be contacted and a claim should be filed with the carrier within 10 days.

The content of the shipment should be inspected and counted to assure the proper instructions, drawings and number of batteries, hardware kits, cables and accessories as identified on the bill of material are received. Should the count be incorrect or the components are of the wrong type, contact supplier customer service as soon as possible.

The batteries are shipped fully charged, however some self-discharge will occur during transit and the degree is a function of the transit time and temperature. The fully charged open circuit voltage is 2.12 to 2.16 volts per cell (6.36 to 6.48 and 12.72 to 12.96 VDC for 6 and 12 volt batteries respectively). Upon receipt the batteries should be a minimum of 2.07 volts per cell or 6.2 and 12.4 volts for 6 and 12 volt batteries respectively. If at these minimum voltages the batteries should be recharged as soon as possible. If at or below 2 volts per cell (6 and 12 volts) the batteries should not be used and the vendor should be contacted immediately.

Required Installation Tools & Equipment

At a minimum, the following tools and equipment are required to install the VRLA battery.

1. Digital voltmeter.

2. Socket wrench, insulated.

3. Torque wrench calibrated in inch-pounds, insulated.

4. Box end wrench, insulated.

5. Battery lifting equipment (handles) and fork lift to lift pallets of batteries.

6. Rubber gloves.

7. Full face shield.

8. Plastic apron.

9. Portable eyewash.

10. Spill kit.

11. Fire extinguisher (class C).

The following equipment is optional depending on the type of checkout to be performed.

1. Micro-ohm meter.

2. Battery resistance, impedance or conductance test set.

3. 100 amp momentary load test set.

4. System load bank (DC if to be performed at the battery and AC if to be performed by loading a UPS output).

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