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• Avoid mechanical exertions and any impacts.
• Do not open or damage the battery. Released electrolyte can be harmful to the
skin and eyes.
• Do not dispose of batteries in a fire. The batteries may explode.
• In case of contact with the battery acid, wash immediately with plenty water and
immediately call the nearest medical facility.
• Batteries involve a serious risk for health and for the environment.
• Their disposal should be carried out according to any existing laws.
4.1.2. CABINET ACCESS
All the UPS units and battery packs have terminals as power connection parts
and a DB9 connector for the communication channel located in the inside of the
equipment. Follow the steps described next to gain access to them:
• Unlock the lock (CL) with the special supplied key.
• Rotate it 45º clockwise and open the front door (PF) completely.
DB9 connectors from communication ports and terminals for remote EPO
button will be revealed.
• Remove the screws (t1), which fix the terminal cover (TB) inside of the cabinet
and remove it; the power terminals will be revealed.
• The connecting cables can be connected to the terminals located below the
clamps and can be fixed to the aluminum rail.
• Once the connection of the UPS is complete, replace the cover (TB) and close
the door (PF) with the lock (CL).
The cable cross section of the bypass, input and output lines shall be determined
from the maximum currents for the two first and from nominal ones for the output,
by respecting the local and/or country low voltage electro-technical standards.
To calculate the cross cable sections, take the Figures of the current as stated in
table 1 depending on the model and nominal voltage value of the UPS. In the
nameplate of the equipment are printed the nominal currents as stated in the
safety standard EN-IEC 62040-1.
Safety characteristics:
• For the input power failure circuit breaker Type B.
• For the output (supply loads) , circuit breaker with tripping characteristics C.
Minimum currents are stated in table 1 depending on the model and nominal
voltage value of the UPS.