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46 Chapter 6 Battery
APM 300 Integrated UPS Single Module And Parallel System User Manual
Warning: battery hazard
inspected and tightened at least once a year. Failure to observe this may cause fire!
b) Inspect the battery appearance before accepting and using the battery. If there exist any package damage, dirty
battery terminal, terminal erosion, rust, or enclosure crack, deformation or electrolyte leakage, replace it with new
product. Otherwise, battery capacity reduction, electrolyte leakage or fire may be caused.
c) The battery is very heavy. Please use proper method to move and hoist the battery to prevent to human being or the
battery terminals. Severe damage to the battery may cause fire.
d) The battery terminals shall not be subject to any force, such as the pulling force or twisting force of the cable.
Otherwise, the internal connection of the battery may be damaged, and severe damage may cause fire.
e) The battery shall be installed and stored in a clean, cool and dry environment. Do not install the battery in a sealed
battery chamber or a sealed room. The battery room ventilation shall at least meet the requirement of EN50272-2001.
Otherwise, battery bulging, fire or even personal may be caused.
f) The battery shall be kept away from heat sources like transformers, or fire sources. Do not burn the battery or the
battery in fire, otherwise, electrolyte leakage, battery bulge, fire or explosion may be caused.
g) Do not directly connect any conductor between the positive and negative terminals of the battery. Remove finger
rings, watches, necklaces, bracelets and other metal objects before operating the battery, and ensure that the tools (for
example, wrench) are wrapped with insulating material. Otherwise, battery burning, explosion, human death or injury
may be caused.
h) Do not disassemble, modify or damage the battery. Otherwise, battery short circuit, electrolyte leakage or even
personal may be caused.
i) Clean the battery enclosure with wringed wet cloth. To avoid any static or arcing, do not use dry cloth or duster to
clean the battery. Do not use the organic solvent, such as thinner, gasoline, volatile oil, to clean the battery. Otherwise,
the battery enclosure may be cracked. In the worst case, fire may be caused.
j) The battery contains diluted sulfuric acid. In normal use, the diluted sulfuric acid is absorbed to the baffle plate and
polar plate of the battery. However, if the battery is damaged, the acid may leak from the battery. Therefore, use
personal protective equipment, such as, goggles, rubber gloves and apron, when operating the battery. Otherwise, if
the diluted sulfuric acid enters the eyes, blindness may be caused; if it contacts the skin, the skin may be burnt.
4. The battery terminal voltage is hazardous. The battery can present a risk of electrical shock and high short circuit
current. Observe the following precautions when working on the battery.
a) Wear eye protection to prevent injury from accidental electrical arcs.
b) Remove rings, watches and all other metal objects.
c) Use tools with insulated handles.
d) Wear rubber gloves and boots.
e) Do not lay tools or metal parts on top of the battery.
f) Disconnect the charging source prior to connecting or disconnecting battery terminals.
g) Check if the battery is inadvertently grounded. If yes, 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 and maintenance.
h) If electrolyte comes into contact with skin, the affected area should be washed immediately with large amount of
water.
i) The battery may have short circuit, electrolyte dry-up or positive-pole plate erosion at the end of its life. If it is still used
in this state, the battery thermorunaway, bulging or electrolyte leakage may occur. Before the battery enters this state,
replace it, store it in a container resistant to sulfuric acid and dispose of it in accordance with local regulations.
6.3 Power Cable
6.3.1 Overview
Please install and connect the batteries according to the following description and graphic presentation.