UPS Startup
73
Powerware
®
9170
+
UPS User’s Guide S Rev B www.powerware.com
4. The output voltage is the most important operating parameter
you must set as part of the initial configuration screens. Select
the desired UPS output voltage using the
and
buttons.
Possible selections are 200, 208, 220, 230, and 240 Vac. (Low
voltages are derived from these voltages, as listed in Table 5 on
page 32 and Table 9 on page 51.) Press the
buttonwhenthe
desired output value is displayed.
5. If the system includes any external battery cabinets, record the
ampere-hour capacity of batteries installed in these cabinets. If
using a standard cabinet, count the number of battery strings
(two battery modules, side-by-side equals one string). Each
battery string contains 7.2 ampere-hours. Enter the total value in
the next startup screen.
External Capacity
extamphr 0028.8
<- -> ESC
6. The system signals an alarm when the required output cannot
be maintained with the loss of r edundant power modules. The
alarm is essentially disabled with a redundancy level set at 0.
If you want the system to notify you when the number of
redundant power modules is less than a specified level, enter a
redundancy level. Each increment above 0 indicates the number
of modules that can be removed from operation before the
alarm occurs. This setting only affects the alarm; the system
continues to operate as an N+X system even if this parameter is
left at the d efault value of 0.
Set Redundancy
RSetting 0
<- -> ESC
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