Chapter 1 Installation Of UPS Rack System 22
Battery boxes should be stored in a cool place with the protective cover on . Hot and humid place will cause damage
to Battery boxes.
2.3.2 Battery Installation
Only the qualified engineers are allowed to install and maintain mounted in a traditional battery cabinet or shelf. To
ensure safety, install the external battery in a locked cabinet or dedicated battery room accessible just to service
qualified personnel
Please note that number of cells set via software must be consistent with the actual number of cells.
A minimum space of 10mm must be reserved on all vertical sides of the battery block to permit free air movement
around the cells.
A certain clearance should be reserved between the top of the cells and the underside of the shelf above as this is
necessary for monitoring and servicing the cells.
When installing the batteries always work from the bottom shelf upwards to prevent raising the center of gravity.
Install the batteries reliably and avoid vibration and mechanical bumping.
The bending radius of cable should be more than 10D, where "D" is the outer diameter of cable.
When connecting the cable, do not cross the battery cables and do not bind the battery cables together
The battery connection must be firm and reliable. After the connection, all the connections between the wiring
terminals and the batteries must be corrected to meet the torque requirement provided in the specifications and user
manuals of the battery manufacturers.
Each battery terminal should be insulated after its connection has been made.
Check if the battery is unexpectedly grounded. If the battery is unexpectedly grounded, remove the earth power
supply. Contacting any part of the grounded earth may be subject to electric shock
Measure the battery voltage, and carry out battery voltage calibration after the UPS is started.
WARNING: Battery connections
When using a traditional battery solution, always comply with the following precautions:
•
Disconnect the charging power before connecting or disconnecting the cable of the battery terminals.
•
Do not connect the cables between the UPS battery terminals and the batteries before getting the approval from the
commissioning engineer.
•
When connecting the cables between the battery terminals and the circuit breaker, always connect the circuit breaker end of
the cable first.
•
Be sure to connect the positive/negative terminals of the batteries to those of the circuit breakers and those of the circuit
beakers to those of the UPS respectively with reference to the markings of positive/negative terminals. Reverse connection of
battery polarities will result in explosion, fire accident, the damage of batteries and UPS, and human injury.
•
The battery connecting terminal shall not subject to any external force, such as the pulling force or twisting force of the cable.
Otherwise, the internal connection of the battery may be damaged, and in severe case, the battery may catch fire.
•
Do not connect power until the total voltage of the battery string is verified correct through measurement.
•
Do not connect any conductor between the positive and negative terminals of the battery.
•
Do not close the battery circuit breakers before getting the approval from the commissioning engineer.
