Liebert 130 kVA user manual Mechanical Considerations

User Manual

Hipulse - Single Phase ‘1+N’ UPS System 130 kVA - 110V

2.3Mechanical Considerations

2.3.1System 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.

2.3.2Moving 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.

2.3.3Clearances

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.

2.3.4Fixing magnetic components

After the equipment is in place, remove the transportation restraints that hold the output transformer in place.

2.3.5Cable 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.

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