CARE AND MAINTENANCE...........................................................................................15
SERVICE AND REPAIR ..................................................................................................16
INTRODUCTION
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THE CONTINUOUS POWER COMPANY
ongratulations! You have selected the highest
quality protection for your continuous power
C
depend on. You now own a S Series Continuous Power
System (CPS) which is an all Digital Technology product
manufactured by Clary Corporation, the first name in
uninterruptible power system (UPS) reliability. The S
designation denotes a custom configuration offshoot
from the standard DT Series. This means the addition of
an input isolation transformer and a medical grade
duplex output receptacle. The Continuous Power System is the highest order in the hierarchy of UPS
products. When power problems occur, there can be no
compromising the reliability of your power solution. The
S SeriesContinuousPower System is your complete
power solution.
This Users Manual is provided with your new
SSeries unit. It will enhance your understanding of the
product and its functions. Read this handbook carefully
in the order it is presented prior to operating your unit.
This will save you time and effort in your installation and
application. The illustrations will also familiarize you with
this unit’s operating modes and indications. Always
operate the unit within the guidelines and specifications
given to maximize the unit's efficiency and lifetime. Also,
your understanding of the product is essential in
providing you years of service for your continuous power
requirements.
This unit has been manufactured and tested to meet
specific safety standards. It meets UL and FCC
requirements and complies with safety performance
standards.
needs. This unit offers a quiet and compact
package with superior performance you can
INDICATIONS FOR USE
The S Series ContinuousPower System is
manufactured by Clary Corporation. This product is not
intended for providing power to life support equipment.
Product not intended for use other than as specified in
this document.
DISCLAIMER
Clary Corporation accepts responsibility for the safety,
reliability and performance of this device only if
operational procedures, proper maintenance and repairs
are performed by appropriately qualified persons working
in accordance with the directions presented. Any and all
equipment modifications must be authorized in writing by
Clary Corporation and executed by appropriately
assigned, qualified personnel. The electrical installation
at the site must comply with all applicable local electrical
codes and IEC requirements.
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important safety instructions that
should be followed during installation and maintenance
of the UPS and batteries. Be aware of the following
symbols and their meaning as they appear throughout
the manual:
FCC-Federal Communications Commission
This equipment generates and uses radio frequency energy
and if not installed and used properly in strict accordance with
the manufacturer's instructions, may cause interference to radio
and television reception. All units in this manual have been
tested and found to comply with the limits for a Class A
computing device in accordance with the specifications in
Subpart J of Part 15 of FCC Rules, which are designed to
provide reasonable protection against such interference in a
commercial installation. However, there is no guarantee that
interference will not occur in a particular installation. If this
equipment does cause interference to radio and television
reception, which can be determined by turning the equipment
off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
Reorient the receiving antenna.
Relocate the UPS with respect to the receiver.
Move the UPS away from the receiver.
Plug the UPS into a different outlet so that the UPS and
receiver are on different branch circuits.
If necessary, the user should consult the dealer or an
experienced radio/television technician for additional
suggestions. The user may find the following booklet prepared
by the Federal Communications Commission helpful:
"How To Identify and Resolve Radio-TV Interference Problems"
This booklet is available from the U.S. Government Printing
Office, Washington, DC 20402, Stock No. 004000003454.
Consult the accompanying documents
prior to operating the equipment to
ensure safe operation.
This device requires an alternating
current power source.
Conductors carrying high voltage are
nearby and could be hazardous if
contacted.
Chassis earth (ground) location on the
device
Page 3
THE CONTINUOUS POWER COMPANY
TECHNICAL DESCRIPTION
he Digital Technology S SeriesContinuous
Power System (CPS) is a revolutionary new
concept in total power protection and
T
management. The S Series is a
microprocessor-based UPS that now allows the user
to set most of the control feature parameters. By
directly linking a personal computer to the S Series
RS232 port, frequency settings and operation, alarm
signals, load switching, fan operation, etc. can all be
programmed to meet specific application
requirements.
The S Series is a true on-line, continuous power
UPS. In the tradition of Clary products, the
S Series generates the same high quality and
proven reliability to provide the best power
protection available for today’s critical applications.
In keeping with state-of-the-art design, the power
electronics are completely governed by an on-board
microprocessor. Given the powerful memory
capability of today’s microcontrollers, this
microprocessor has evolved the UPS into an all-inone complete power distribution and monitoring
center. Not only is your critical load insured of the
most reliable and constant power available, but the
user may now continuously track status of the
supply components that keep the entire system
operational. Production downtime can now be
virtually eliminated by knowing exactly what patterns
the supply utility power maintains and by knowing
exactly the condition and life expectancy of the
battery reserve.
Reference the block diagram for a simplified
explanation of the system’s operation. The AC utility
source is connected to the power and microelectronics when the input switch is closed. The
input line is filtered, power factor corrected and
rectified for enhanced performance without
disturbing other equipment that may share the same
utility circuit. In S units, an input isolation
transformer is added. Output transformers, SNMP
adapters and many other options are available.
The microprocessor controls an Inverter Generator
that produces a low harmonic, AC sinewave for
continuous power applications.
When the input AC utility line fails, the battery circuit
within this system takes over to ensure continuous
power.
Only after properly rated power is returned, does the
microprocessor reconnect the input source back into
the system.
The microprocessor is directly tied to an external
RS232 connector port. This allows the user to
monitor and even set some of the operating
parameters. With a simple link to a personal
computer using the DT-UPS2 software program, you
can actually view, on your monitor, the event history
of the power distribution system with the
S Series unit as the central hub. More sophisticated
users may implement the optional SNMP package to
accomplish full Network Power Management.
BATTERY-DESCRIPTION
Your system contains sealed, maintenance free
lead acid batteries manufactured by Enersys,. It
consists of six (6) NPX-25FR, 12 volt 5.0 amperehour (AH) batteries. They are connected in series to
form a 72 volt bus. Batteries are charged with a
constant current, half (0.5) amp charger. The
microprocessor controls the constant current
charging until full charge
a periodic trickle charge is programmed to the
battery.
A low battery signal is generated during discharge
when the terminal voltage reaches the point where
the microprocessor determines there is 2 minutes
left of battery reserve time. This time can be
changed through the RS232 communications port.
The battery is protected by a system cutoff signal
which is activated before the terminal voltage
reaches an unsafe discharge point.
requirements are met, then
WARNING: Never attempt to service batteries,
high voltage exists within the unit which could cause
electrical shock. Servicing of batteries should be
performed or supervised by personnel
knowledgeable of batteries and the required
precautions. Keep unauthorized personnel away
from batteries. When replacing batteries use the
same number and type. The battery pack has a
keyed, polarity sensitive connector. Replace only
with factory authorized replacement parts.
Page 4
THE CONTINUOUS POWER COMPANY
UTILITY
INPUT
INPUT
ISOLATION
TRANSFORMER
COMMON
MODE
CHOKE
VOLTAGE
WINDOW
DETECTOR
MICROPROCESSOR
CONTROLLER
POWER
FACTOR
CORRECTOR
RECTIFIER
+ DC
RAILS
STANDBY
BATTERY
GENERATOR
FIGURE 1: S SERIES BLOCK DIAGRAM
AC
INVERTER
CHARGER
BYPASS LINE
EMERGENCY
COMMON
MODE
CHOKE
CUTOFF
SWITCH
DB-9
CONTACTS
DB-9
RS232
LOAD
PACKAGING
THE CONTINUOUS POWER COMPANY
our UPS has been carefully packaged to
withstand most abuse sustained during
shipment. The packing material has been
Y
specifically designed to protect this system for
normal handling, using most shipping carriers. If
there is significant damage to the carton, or if there
is any physical damage to this unit, report this to
your carrier.
These units are encapsulated in a protective wrap
that comes apart once the product is removed from
the shipping carton. Save all packing material for
future use.
Take extra precaution when removing or returning it
to the box. Because this unit contains a battery, it
can be quite heavy. Never attempt to unpack the
equipment unassisted.
During shipping and storage do not expose this
product to rain or high humidity.
!
The packaging also contains important information
on use and care as well as valuable warranty
information. Read all materials before storing this
literature with your other valuable product
documents.
STORAGE
If this unit is to be stored, it is recommended to
refresh the internal batteries at least once every 90
days. To do this, plug the system in, turn the power
ON/OFF switch “ON” and allow to idle for at least 24
hours.
FIGURE 2: UNPACKING YOUR UPS
Page 6
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