SNR UPS-ONRT-25-INTXL33 [7/53] Battery safety

HR33 Rack Mounted UPS 25KVA User Manual 3

Safety Precautions

 This UPS full complies with “IEC62040-1-1-General and

safety requirements for use in operator access area UPS”.

Dangerous voltages are present within the battery box.

However, the risk of contact with these high voltages is

minimized for non-service personnel. Since the component

with dangerous voltage can only be touched by opening the

protective cover with a tool, the possibility of touching high

voltage component is minimized. No risk exists to any

personnel when operating the equipment in the normal manner,

following the recommended operating procedures in this

manual.

Battery Safety

Danger

 All the battery maintenance and servicing procedures involving

internal access need special tools or keys and should be carried

out only by trained personnel.

 WHEN CONNECTED TOGETHER, THE BATTERY

TERMINAL VOLTAGE WILL EXCEED 400Vdc AND IS

POTENTIALLY LEATHAL.

 Battery manufacturers supply details of the necessary

precautions to be observed when working on, or in the vicinity

of, a large bank of battery cells. These precautions should be

followed implicitly at all times. Particular attention should be

paid to the recommendations concerning local environmental

conditions and the provision of protective clothing, first aid and

fire-fighting facilities.

 Ambient temperature is a major factor in determining the battery

capacity and life. The nominal operating temperature of battery

is 20°C. Operating above this temperature will reduce the

battery life. Periodically charge the battery according to the

battery user manuals to ensure the back-up time of UPS.

 Replace the batteries only with the same type and the same

number, or it may cause explosion or poor performance.

 When connecting the battery, follow the precautions for

high-voltage operation before accepting and using the battery,

check the appearance the battery. If the package is damaged, or

the battery terminal is dirty, corroded or rusted or the shell is

broken, deformed or has leakage, replace it with new product.

Otherwise, battery capacity reduction, electric leakage or fire

may be caused.

 Before operating the battery, remove the finger ring, watch,

necklace, bracelet and any other metal jewelry

 Wear rubber gloves.

 Eye protection should be worn to prevent injury from

accidental electrical arcs.

SNR UPS-ONRT-25-INTXL33 [7/53] Battery safety

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