Maintenance - Santak K Series User Manual

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Maintenance

UPS internal use of sealed maintenance-free lead-acid batteries, as
long as the charge can often get the desired service life.The UPS will
automatically charge the battery after power on.Note: Use at high
temperatures will shorten battery life. Even if the battery is not used, its
performance will gradually decline. Near storageWhen the battery life is
used, the battery performance will drop dramatically.The following is a
brief description of the battery check method:
1. UPS connected to the mains, boot the battery after charging
more than 6 hours;
2. Turn on the UPS, access the load and record the load power;
3. Unplug the UPS mains input plug (analog interruption), UPS into
the battery mode, record the discharge time, straight to UPS automatic
shutdown;
4. Compare the discharge time to following Figure (initial
discharge time) to see if it is within the normal range. When the
discharge time drops to half initial value , the battery should be replaced.
Note:

The total loading is calculated in watts ;

If only the voltammetry value is specified on the machine
nameplate, multiply the power factor (0.55);
Yes No
No No
Yes Yes
Loading & Time Curve
1
AC Input abnormally
UPS is in battery
mode with battery low
an output short circuit
or other fault
Low voltage /battery
aging
AC Input
abnormally
Failure