User Manual
Smart-UPS 750/1000/1500/2200/3000 VA 120/230 Vac Tower / Rack-Mount 2U18
Configuration
General configuration settings
Configuration settings may be changed at any time using the LCD interface or PowerChute software. This table 
provides a brief description of the general settings, for more detailed information on each of these parameters 
consult application note 80 at www.apc.com.
Function Factory Default Options Description
High Transfer 120 V: 127 Vac
230 V: 253 Vac
127 Vac - 136 Vac
253 Vac - 265 Vac
To avoid unnecessary battery usage, set the transfer point 
higher if the AC voltage is chronically high and the 
connected equipment is known to work under this 
condition. The Power Quality setting will automatically 
change this setting. 
Note: Use the Advanced Menus to configure this setting.
Low Transfer 120 V: 106 Vac
230 V: 207 Vac
97 Vac - 106 Vac
195 Vac - 207 Vac
Set the transfer point lower if the AC voltage is chronically 
low and the connected equipment can tolerate this 
condition. This setting may also be adjusted using the 
power quality setting.
Note: Use the Advanced Menus to configure this setting.
Sensitivity Normal • Normal
• Reduced
•Low
Select the level of sensitivity to power events that the UPS 
will tolerate.
• Normal: The UPS will go on battery power more often to 
provide the cleanest power supply to the connected 
equipment.
• Low: The UPS will tolerate more fluctuations in power 
and will go on battery power less often. 
If the connected load is sensitive to power disturbances, set 
the sensitivity to Normal.
Date of Last 
Battery 
Replacement
Date set at factory. Reset this date when the battery module is replaced.
Audible Alarm On • On
•Off
The UPS will mute all audible alarms if this is set to Off or 
when the display buttons are pressed.
Auto Self Test On start-up and 
every 14 days 
since the last test
• Never
• Start-up only
• Frequency of test 
(every 7 to 14 days)
The interval at which the UPS will execute a self-test.
Reset to Factory 
Default
No Yes/No Restore the UPS factory default settings.
Site Wiring Fault Enable Enable/Disable/
Can Ack
Set the Site Wiring Fault detection to Enable, Disable or 
User Can Acknowledge
Output voltage 120 V
230 V
• 120Vac
• 110Vac
• 127Vac
• 230 Vac
• 220 Vac
• 240 Vac
Select the output voltage. This is only settable when the 
UPS is turned off.
Green Mode Enable • Enable
•Disable
This will enable or disable Green mode function. Green 
Mode conserves energy while the UPS is operating on line.
SmartConnect 
Control
Enable • Enable
•Disable
This will permit remote configuration changes.










