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Installation
Liebert
®
AC4
™
8
2.0 INSTALLATION
2.1 Installation Considerations
The Liebert AC4 must be installed indoors and may be mounted on the surface of a wall or flush-
mounted, depending on the user’s application, the location of equipment to be connected and the type
of wall the unit will be mounted on.
The Liebert AC4 should be mounted where it can be easily accessed. On-site personnel would access
the unit through the LCD on its front cover or the service terminal connected to the RS232 port.
In addition to the communications connections, the site also must have electrical service and must
permit connecting the unit’s four digital inputs and four digital outputs.
The wall material must be capable of supporting the weight of the Liebert AC4: see
8.0 Specifications.
2.1.1 Unpacking and Preliminary Inspection
• Before unpacking the Liebert AC4, inspect the shipping carton for damage or signs of
mishandling, such as gashes or holes in the carton or severely flattened corners.
• Open the shipping crates carefully. Use care to avoid puncturing the container with sharp objects
that might damage the contents.
• Inspect the Liebert AC4 and all included components for damage.
• If any damage from shipping or mishandling is observed, immediately file a damage claim with
the shipping agency and forward a copy to:
Liebert Corporation
1050 Dearborn Drive
P.O. Box 29186
Columbus, OH 43229
Packing Contents
NOTE
This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is
likely to cause harmful interference in which case the user will be required to correct the
interference at his own expense.
Table 3 Packing manifest
Standard Components
Liebert AC4 controller board in enclosure
User Manual
Keys (2) to panel door lock
RS232 Configuration Cable