Uninterruptible Power System 800 Przewodnik Instalacji Pobierz pdf (Strona 18)

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998

As previously discussed, sealed batteries are those which, due to special construction, do not

normally vent gas into the atmosphere, and because they are sealed, require no routine water

additions. Because they do not gas, they are well suited for installation into an office area or

computer room environment where special ventilation would be difficult or impractical to

provide. These two advantages present cost savings which should be considered when

evaluating your battery requirements. Sealed batteries lend themselves well to cabinet

mountings, and as a result can be attractively packaged for installation in an office or computer

room along with the UPS system. One can also recognize sealed batteries by the use of

names such as Gel Cell, Absorbed Electrolyte, Starved Electrolyte, or Suspended Electrolyte.

Sealed batteries are maintenance free only in the sense they require no electrolyte

checks or water addition. It is important that the battery terminal connections be inspected and re-torqued

periodically to maintain a sound connection.

Life expectancy and manufacturer’s warranties vary from 1 year to 20 years with a corresponding

variation in price. As an average, a 10-year sealed battery on an open rack will be priced

approximately equal to the lead calcium 20 year wet battery.

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Uninterruptible Power System 800 Przewodnik Instalacji Strona 18