Справочник Пользователя для Emerson UPS Systems

Should the equipment not be installed immediately, it must be stored in a room for protection against 

excessive humidity and or heat sources (see Table 6).

The cabinet is structurally designed to handle lifting from the base.
Access to the power terminals, auxiliary terminals blocks and power switches is from the front.
The top and front removable panels are secured to the chassis by screws. The door can be opened to 

give access to the power connections bars, auxiliary terminal blocks and power isolators. Front door 

can be opened at 180° for better Service and more flexibility in installations.

The route to be travelled between the point of arrival and the unit’s position must be planned to make 

sure that all passages are wide enough for the unit and that floors are capable of supporting its 

weight (for instance, check that doorways, lifts, ramps, etc. are adequate and that there are no 

impassable corners or changes in the level of corridors).
Ensure that the cabinet weight is within the designated surface weight loading (kg/cm

2

) of any han-

dling equipment. See Table 6 for weight.
Ensure that any lifting equipment used in moving the cabinet has sufficient lifting capacity.
The Maintenance Bypass Cabinet can be handled by means of a fork lift or similar equipment. For 

operations with a fork lift, refer to installation drawings in 2.0 - Installation Drawings.
Because the weight distribution in the cabinet is uneven, use extreme care during handling and 

transporting.
When moving the unit by forklift, care must be taken to protect the panels. Do not exceed a 15-degree 

tilt with the forklift. Bottom structure will support the unit only if the forks are completely beneath 

the unit.
Handling the unit with straps is not authorized.

Liebert NXL Maintenance Bypass Cabinets have no ventilation grilles at either side or at the rear. 

Clearance around the front of the equipment should be sufficient to enable free passage of personnel 

with the doors fully opened. It is important to leave a distance of 24" (610mm) between the top of the 

cabinet and any overhead obstacles to permit adequate circulation of air coming out of the unit.

The installation diagrams in 2.0 - Installation Drawings of this manual identify the location of the 

holes in the base plate through which the equipment can be bolted to the floor. If the equipment is to 

be located on a raised floor it should be mounted on a pedestal suitably designed to accept the equip-

ment point loading. Refer to the base view to design this pedestal.

Cables can enter the Maintenance Bypass Cabinet from the bottom or top.

Take extreme care when handling Maintenance Bypass Cabinets to avoid equipment damage 

or injury to personnel.