R90 ONLINE USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)
Xtreme Power Conversion Corporation (Rev 3/7/14) Page 6
IMPORTANT SAFETY INSTRUCTIONS:
(SAVE THESE INSTRUCTIONS)
CAUTION! (UPS having Internal Batteries):
Risk of electrical shock – Hazardous live
parts inside this unit are energized from the battery supply even when the input AC power is
disconnected.
CAUTION! (No User serviceable Parts): Risk of electrical shock, do not remove cover.
No user serviceable parts inside. Refer servicing to qualified service personnel.
CAUTION! (Non-isolated Battery supply): Risk of electric shock, battery circuit is not
isolated from AC input, hazardous voltage may exist between battery terminals and ground. Test before
touching.
WARNING! (Fuses): To reduce the risk of fire, replace only with the same type and size of fuse.
WARNING! Unit intended for installation in a controlled environment.
CAUTION! Do not dispose of batteries in a fire, the battery may explode.
CAUTION! Do not open or mutilate the battery, released electrolyte is harmful to the skin and eyes.
CAUTION! A battery can present a risk of electric shock and high short circuit current. The following
precaution should be observed when working on batteries:
• Remove watches, rings or other metal objects.
• Use tools with insulated handles.
To reduce the risk of electric shock, disconnect the UPS from the main supply before installing a
computer interface signal cable. Reconnect the power cord only after signaling interconnections have
been made.
Servicing of batteries should be performed or supervised by personnel with knowledge of batteries and
the required precautions. Keep unauthorized personnel away from batteries.
These UPS units are extremely heavy. Caution should be taken in moving and positioning equipment.
The instructions contained within this safety manual are deemed important and should be closely
followed at all times during installation and follow-up maintenance of the UPS and batteries.
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