11. Ensure that the input voltage to the UPS is within the specified range. Use a
certified input power cable with the correct plugs and sockets for the system
voltage.
12. CAUTION: Risk of Energy Hazard, 12V, 9 Ampere-hour batteries. Before
replacing batteries, remove conductive jewelry such as chains, wrist watches
and rings. High energy through conductive materials could cause severe
burns.
13. CAUTION: Do not dispose of batteries in a fire. They may explode.
14. CAUTION: Do not open or mutilate batteries. Released material is harmful to
the skin and eyes. It may be toxic.
15. Servicing of batteries should be performed or supervised by personnel
knowledgeable about batteries and the required precautions.
16. CAUTION: A battery can present a risk of electrical shock and short circuit
current. The following precautions should be observed when working on
batteries:
a) Remove watches, rings or other metal objects
b) Use tools with insulated handles
c) Wear rubber gloves and boots
d) Do not lay tools or metal parts on top of the batteries
e) Disconnect charging source prior to connecting or disconnecting battery
terminals.
f) Determine if battery is inadvertently grounded. If inadvertently grounded,
remove source from ground. Contact with any part of a grounded battery
can result in electrical shock. The likelihood of such shock can be reduced
if such grounds are removed during installation or maintenance.
1.2 Storage
If the UPS is unused for an extended period of time, it must be stored in a
moderate climate. The batteries should be charged for 12 hours every 3 months by
connecting the UPS to the utility supply. Repeat this procedure every 2 months if
the storage ambient temperature is above 25°C (77°F).
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