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Battery Recharge Time*
Unit
Standard Unit
1500 VA
3 ½ hours
2000 VA
3 ½ hours
2400 VA
3 ½ hours
* Recharge times are to 90% full capacity.
Fan Speed
The 1700 Series UPS has variable speed fans. The fan speed will
vary depending on a number of factors. As the load placed on the
UPS increases the fan speed will increase. The temperature of the
environment the UPS is operating in can also cause the fan speed to
increase. Finally, when the unit is operating in battery backup mode
the fans will operate at higher speeds. (For a more detailed
explanation of the variable speed fan function refer to appendix B)
Battery Check Function
During startup the UPS will perform an automatic 'Battery Check' to
detect whether a problem exists in the battery circuit. If a problem is
detected during the test, the Battery LED and the Warning/Fault LED
will flash and an audible alarm will sound. If a problem is indicated,
check to be sure that the battery plug is correctly connected to the
electronics module. Pressing the Function Control button will cause
the UPS to check the batteries again. If the batteries pass the test,
the unit will return to normal operation. If the batteries fail the test
again, they should be allowed to charge (see Table 2, "Battery
Recharge Time") and the test should be performed again. If the
batteries continue to fail the tests, the battery module should be
replaced. It is important to note that when the UPS has detected
bad batteries, the battery backup mode is disabled. The unit will
continue to operate and provide clean power, but as there is no
battery power available, the unit cannot provide backup power if
input power is lost.
The Function Control Button
The function control button is located on the display panel (see
"Display Panel Layout", page 12). This button is used to perform
several different UPS operations, including initiating self test,
providing programming options, and silencing the alarm. A brief
description of each function follows along with a step by step guide
to accessing each function.
1) Self-Test. In order to perform a self-test the UPS must be
operating in the normal mode (see "UPS Display Status and
Operating Condition", page 14). To initiate the self-test simply
TOSHIBA
Table 2
With Expansion Battery Module
7 hours
7 hours
7 hours
17
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