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Hipulse - Single Phase ‘1+N’ UPS System 130 kVA - 110V
9
2.3 Mechanical Considerations
2.3.1 System composition
A UPS system can comprise a number of equipment cabinets, depending on the
individual system design requirements - e.g. UPS cabinet, Battery cabinet. In general,
all the cabinets used in a particular installation are of the same height and designed to
be positioned side-by-side to form an aesthetically appealing equipment unit.
2.3.2 Moving the cabinets
WARNING
Ensure that any lifting equipment that used in moving the UPS
cabinet has sufficient lifting capacity.
Ensure that the UPS weight is within the designated surface weight loading
(Kg/sq.cm.) of any handling equipment. See the UPS specification for weight details.
The UPS cabinets can be moved by fork lift or crane. For operations with fork lift, it is
necessary to remove both the front, rear (or side) grille panels located on the base of
the cabinet. To enable the cabinet to be lifted by a crane, removable lifting bars, are
fitted to the top of the cabinet.
In the eventuality that the equipment cannot be moved by fork lift or crane, then rollers
should be used.
2.3.3 Clearances
As Hipulse has no ventilation grills at either the sides or the rear, no clearances are
required. Back -access is not an essential requirement for maintenance; however,
where space permits, a clearance of approximately 1000mm will ease access to
magnetic component parts. This will also ensure proper exhaust from rear.
Clearance around the front of the equipment should be sufficient to enable free
passage of personnel with the doors fully opened.
2.3.4 Fixing magnetic components
After the equipment is in place, remove the transportation restraints that hold the
output transformer in place.
2.3.5 Cable entry
Cables can enter for ‘Hipulse’ UPS and battery cabinet either from below or through
either side. Side entry is made possible by removing blanking pieces fitted in the side
panel to reveal the cable entry holes. This cable entry method allows the equipment
to be positioned on a solid floor without the need for cable trenching and allows
cables to pass from one module to the other when positioned side-by-side.
Note: When selecting the power cables for side entry to a module located on a solid floor,
consideration must be given to the minimum permissible bending radius of the proposed cables to
ensure that they can be fashioned to reach the UPS connection busbars.