Specifications
Liebert Nfinity UPS Guide Specification
4kVA –20kVA (208/120 or 240/120) 4/03 Rev 2
SL-23956
10
3.1 FIELD QUALITY CONTROL
The following inspections and test procedures will be performed by factory trained field service personnel
during the UPS start-up.
3.1.1 Visual Inspection
A. Inspect equipment for signs of shipping or installation damage.
B. Verify installation per drawings.
C. Inspect cabinets for foreign objects.
D. Verify neutral and ground conductors are properly sized and configured.
3.1.2 Mechanical Inspection
A. Check all power modules are correctly fitted.
B. Check all battery modules are correctly fitted.
C. Check all terminal screws, nuts, and/or spade lugs for tightness.
3.1.3 Electrical Inspection
A. Confirm input voltage and phase rotation is correct.
B. Verify bypass voltage jumper is correct for voltages being used.
3.2 UNIT START-UP AND SITE TESTING
The manufacturer‟s field service personnel will provide site testing if requested. Site testing consists
of a complete test of the UPS system and the associated accessories supplied by the manufacturer. A
partial battery discharge test will be provided as part of the standard start-up procedure. The test
results will be documented, signed, and dated for future reference.
3.3 MANUFACTURER'S FIELD SERVICE
3.3.1 Service Personnel
The UPS manufacturer directly employs a nationwide service organization, consisting of factory
trained Customer Engineers dedicated to the start-up, maintenance, and repair of UPS and power
equipment. The organization consists of factory-trained Customer Engineers working out of District
Offices in most major cities. An automated procedure is in place to insure that the manufacturer is
dedicating the appropriate technical support resources to match escalating customer needs.
The manufacturer provides a fully automated national dispatch center to coordinate field service
personnel schedules. One toll-free number reaches a qualified support person 24 hours/7 days/365
year. If emergency service is required, call back response time from a local Customer Engineer will be
20 minutes or less.
3.3.2 Replacement Parts Stocking
Parts are available through an extensive network to ensure around-the-clock parts availability
throughout the country. Local Customer Engineers stock replacement parts with back up available
from District Service offices and the manufacturing location. Customer Support Parts Coordinators are
on-call 24 hours a day, 7 days a week, 365 days a year for immediate parts availability.
3.3.3 Optional UPS Maintenance Training
Maintenance training courses for customer employees are available by the UPS manufacturer. This
optional training is in addition to the basic operator training conducted as a part of the system start-up.
The training course covers UPS theory, location of subassemblies, safety, battery considerations and
UPS operational procedures. The course will include AC to DC conversion and DC to AC inversion
techniques as well as control and metering, troubleshooting and fault isolation using alarm information
and internal self-diagnostics is stressed.
3.3.4 Maintenance Contracts
A complete offering of preventive and full service maintenance contracts for both the UPS system and
battery system are be available. An extended warranty and preventive maintenance package is
available. Warranty and preventive maintenance service will be performed by factory trained
Customer Engineers.










