Liebert PSP Bedienungsanleitung PDF herunterladen (Seite 22)

MAINTENANCE

The PowerSure PSP UPS requires very little maintenance. Follow

these practices to prevent problems.

Cleaning the UPS

The following will help ensure trouble-free operation for years:

• Vacuum dust from the ventilation intake occasionally.

• Wipe the cover periodically with a dry cloth.

Maintaining Batteries

The batteries are valve-regulated, nonspillable, lead acid and must be

kept charged to retain their design life. The UPS continuously charges

the batteries when connected to the utility supply, even while the UPS

is switched off.

When storing the UPS, it is recommended to plug in the UPS for at

least 24 hours every four to six months to ensure full recharge of the

batteries.

Battery Replacement

This UPS is equipped with internal “hot swappable” batteries that the

user can replace without shutting down the UPS or connected loads.

CAUTION

A battery can present a risk of electrical shock and high

short circuit current. The following precautions should be

observed before replacing the batteries:

• Remove rings, watches, and other metal objects.

• Do not lay tools or other metal objects on top of the batter-

ies.

• If the battery replacement kit is damaged in any way or

shows signs of leakage, contact your local dealer or Liebert

representative immediately.

• Do not dispose of batteries in a fire. The batteries may

explode.

• Dispose of old batteries according to local codes.

NOTE

Caution should be exercised when replacing the batteries

because the load is unprotected from disturbances and power

outages during this procedure.

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Liebert PSP Bedienungsanleitung Seite 22