SDU DC Series Instruction Manual • 6
3.0 Introduction
Congratulations on your choice of the SDU DC Uninterruptible Power System
(UPS). The SDU DC UPS is an advanced 24 V dc Uninterruptible Power System
that combines an industry leading design with a wide operational temperature
range and unique installation options.
The SDU DC UPS is a powerful microprocessor-controlled UPS which provides
protection from power interruptions. With an input voltage range of 22.5 to
30 V dc, the SDU DC UPS is the ideal power backup solution for your critical
connected loads.
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 in an
industrial installation. This equipment uses, generates and can radiate radio
frequency energy and, if not installed and used in accordance with the instruc
-
tions, may cause harmful interference with radio communications. However, there
is no guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment OFF and ON, the user is encour
-
aged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the UPS and the receiver.
• Connect the UPS into a circuit different from that which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
