UPS Maintenance
14
Powerware
®
3115 User’s Guide
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www.powerware.com
Replacing Batteries
The following steps explain how to replace the batteries. Consider all
warnings, cautions, and notes before replacing batteries.
WARNING
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Batteriescan presenta riskof electrical shock orburn from high short circuit
current.The following precautionsshould beobserved: 1)Remove watches,rings,
or othermetalobjects;2) Usetoolswith insulatedhandles;3)Do notlaytoolsor
metalpartson top ofbatteries.
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The batteryisnot isolated fromACinput.Hazardous voltage mayexist between
batteryterminals.
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Replace batterieswiththe same numberand typeof batteries asoriginally
installed in the UPS.
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The UPSmustbeunplugged fromthe ACpowersourcebeforereplacing batteries.
1. Turn off and unplug the equipment from the UPS.
2. Turn off the UPS and unplug the power cord from the power
source. Wait 30 seconds.
3. Turn the UPS over and remove the screw(s) holding the battery
door in place on the bottom of the UPS. Slide the door off (see
Figure 9 and Figure 10).
4. Gently pull out the battery by grasping the removal tabs.
5. Disconnect the two wires connecting the battery to the UPS.
6. Connect the battery wires to the new battery; red to
positive (+), black to negative (–). Carefully place the new
battery into the case.
7. Slide the battery door back into place and secure with the
screw(s) removed in Step 3.
8. Reconnect the power cord to the power source and turn the
UPS on.
9. Reconnect the equipment to the UPS. Turn on the equipment
one piece at a time.
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