2
CONDITIONS OF USE
—The mains supply socket must be within 1.8m (6ft.) of the UPS and be eas-
ily accessed.
This UPS provides conditioned power to connected equipment. It is designed for commercial use only.
It is not intended for use with life-support and other designated “critical” devices. Maximum load
must not exceed that shown on the UPS rating label. If uncertain, consult your local Liebert or Emer-
son Network Power Liebert Applications.
The Liebert PSI
™
XR 1000 and 1500 models are not supplied with an input power cable for connection
to the mains supply socket. Use the input mains supply power cable from your data processing equip-
ment to connect the UPS to the mains supply.
For the Liebert PSI XR 2200 and 3000 models, use the supplied 16A-rated input mains supply cables.
For UK supply systems, consult a properly trained and qualified electrician to connect the lead sup-
plied for the 2200 and 3000 models to the mains supply.
The UPS and connected load total earth leakage current must not exceed 3.5mA. If the connected load
earth leakage current is likely to exceed 2.5mA or if you are unsure, then convert the input cable
attachment to either a fixed wiring installation or an industrial plug/socket (e.g., CEE 17 connector).
This alteration should be carried out by a properly trained and qualified electrical engineer who is
conversant with local electrical codes and regulations.
When installing the UPS or making input and output connections, comply with all relevant safety
codes and standards (e.g. IEC60950, VDE0805, EN62040-1).
Placing magnetic storage media on top of the UPS may result in data corruption.
ELECTROMAGNETIC COMPATIBILITY
—The Liebert PSI XR series complies with the require-
ments of EMC Directive 89/336/EEC and the published technical standards. Continued compliance
requires installation in accordance with these instructions and use of Emerson Network Power-
approved accessories only.
When using the communication features on this UPS, ensure the cabling connected to the DB-9 or
UPS communications ports are kept separated from the power leads to the UPS input and output.
NOTICE
Do not connect equipment that could overload the UPS or demand half-wave rectification
from the UPS, for example: electric drills, vacuum cleaners, laserjet/inkjet printers, hair
dryers, overhead projectors.
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Liebert UPS user manual