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Table 1: Low-Voltage Units
Example:
If you are changing the voltage to 115 volts, your new Voltage Setpoint setting should be
"2"; the recommended Low Voltage setting would be "101," and the recommended High
Voltage setting would be "130."
New Voltage
100 volts*
110 volts
115 volts
120 volts
* Do not use 100-volt settings unless the UPS is specially designed for this voltage.
Table 2: High-Voltage Units
Example:
If you are changing the voltage to 240 volts, your new Voltage Setpoint setting should be
"3"; the recommended Low Voltage setting would be "204," and the recommended High
Voltage setting would be "260."
New Voltage
200 volts*
208 volts*
220 volts
230 volts
240 volts
* Do not use 200 or 208-volt settings unless the UPS is specially designed for these voltages.
3. Write the settings you found in step 2 in the blanks below.
Setpoint
Voltage Setpoint
Low Voltage Setpoint
High Voltage Setpoint
4. Now, press the CANCEL and TEST keys at the same time for a few seconds. When you first press the keys,
the UPS will beep. After a few seconds, the Fortress will click, and the display will show "1 0"; this is the
first level of setpoints. (Your Fortress Guide describes the setpoints in this level.)
Voltage Setpoint
Low Voltage Setpoint High Voltage Setpoint
0
1
2
3
Voltage Setpoint
Low Voltage Setpoint
0
0
1
2
3
Setting
__________
__________
__________
Press both keys to
display setpoints.
33
Settings
90
96
101
105
Settings
High Voltage Setpoint
170
182
187
196
204
The display shows
"1
0"
112
125
130
136
220
236
242
253
260
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