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Basic Operation continued
Power Sensitivity Adjustment: This dial is normally set fully counter-
clockwise,whichenablestheUPStoprovidemaximumprotectionagainst
waveform distortions in its AC input. When such distortion occurs, the UPS
will normally switch to providing sine wave power from its battery reserves
for as long as the distortion is present. In areas with poor utility power or
where the UPS’s input power comes from a backup generator, chronic
waveform distortion could cause the UPS to switch to battery too frequently,
drainingitsbatteryreserves.YoumaybeabletoreducehowoftenyourUPS
switchestobatteryduetomoderatewaveformdistortionbyexperimenting
with different settings for this dial. As the dial is turned clockwise, the UPS
becomes more tolerant of variations in its input power’s AC waveform.
Note: The further the dial is adjusted clockwise, the greater the degree of waveform
distortion the UPS will allow to pass to connected equipment. When experimenting with
different settings for this dial, operate connected equipment in a safe test mode so
that the effect on the equipment of any waveform distortions in the UPS’s output can
be evaluated without disrupting critical operations.
Input Breakers: TheSMART2500XLHGusestwoinputbreakerstoprotect
yourelectricalcircuitfromovercurrentdrawfromtheUPSload.Onebreaker
protectsLINE,whiletheotherNEUTRAL.Ifthesebreakerstrip,removesome
of the load and reset them by pressing the breakers in.
Guidance and Manufacturer’s Declaration
Product Information
AC Input Voltage 120V
Input Amp(s) 16A
No.ofPhases Single
Class Type Class 1
Plug/Connector Type IEC inlet C20
Operation Continuous
AC Input Frequency 60Hz
AC Input Protection (Qty./Type/Rating) Inputbreaker(2x20Athermal)
MaxACLeakageCurrent(uA) Less than 100uA
Weight 73.3lbs(33.2kg)
Contraindication None
Guidance and Manufacturer’s Declaration—Electromagnetic Emissions
This Medical-Grade UPS is intended for use in the electromagnetic environment specified below. The
customer or the user of this Medical-Grade UPS should assure that it is used in such an environment.
Emissions Test Compliance Electromagnetic Environment - Guidance
RF Emissions CISPR 11 Group 1 The Medical-Grade UPS uses RF energy only for its internal
function. Therefore, its RF emissions are very low and unlikely
to cause any interference in nearby electronic equipment.
RF Emissions CISPR 11 ClassB The Medical-Grade UPS is suitable for use in all
establishments other than domestic and those directly
connected to the public low-voltage power supply network
that supplies buildings used for domestic purposes.
12-10-307-93-3181.indb 10 11/2/2012 9:27:49 AM