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10.0 M
AINTENANCE
The S3K2U UPS requires very little maintenance. Follow these practices to prevent problems.
10.1
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.
10.2
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 mains 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.
The S3K2U is designed to allow the user to replace the internal batteries safely. Read the safety cau-
tions before proceeding. Contact your local distributor, Sola/Hevi-Duty representative or Sola/Hevi-
Duty Technical Services to obtain the appropriate replacement battery kit part number and pricing.
10.3
Battery Replacement
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.
• Use a Phillips (crosshead) screwdriver with insulated grips.
• Do not lay tools or other metal objects on top of the batteries.
• If the battery replacement kit is damaged in any way or shows signs of leakage, contact
your local distributor, Sola/Hevi-Duty representative or Sola/Hevi-Duty Technical Services
immediately.
• Do not dispose of batteries in a fire. The batteries may explode.
• Dispose of old batteries according to local codes.
• Risk of explosion if battery is replaced by an incorrect type. Refer to 12.0 - Specifications
(Sechnische Daten) for battery information.
• Do not open or mutilate the batteries. Released electrolyte is harmful to skin and eyes. It is
toxic.
26
Maintenance
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