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OPM_SGS_USM_10K_40K_0US_V010.doc 86/88 Operating Manual
SG Series
10, 20, 30 & 40 kVA
10.1.5 Long shut-down periods of the UPS-system
To guarantee that the Battery is fully charged, the UPS system should be in operation for at least
12 hours every 3 months
.
If not the Battery may be permanently damaged.
10.1.6 UPS room conditions and temperature
The UPS room and the Battery Room have to be maintained clean and free from dust.
A high temperature of the UPS room and of the Battery Room affect the lifetime of several
components inside the equipment.
The Battery is very sensitive to room temperatures above 77°F (25°C).
10.1.7 Long shut-down periods of the UPS-system
a)
Cleaning, a visual inspection and a mechanical inspection of the UPS modules.
b)
Replacement of defective parts or the preventive replacement of parts with a defined lifetime
c)
“Updating” of the equipment (technical improvements subsequent to the delivery).
d) Check the calibration of
DC voltage
and
Inverter Output Voltage
and
Frequency
.
e) Check of the settings of the electronic regulation, the control and the alarm circuits of the
Rectifier(s) and Inverter(s).
f) Functional checks on Thyristors, Diodes, Transformers, Filter Components, e.g. to ensure that
they are operating within the specified design parameters.
g) Overall performance test including a Utility Failure simulation with and without the Load.
h) Monitoring Battery operation in discharge and recharge mode including any boost charge
duties.