Overly "High Utility Voltage"

[Anonymous user]

I have bought a used 230V, 700va Smart-UPS RM (2U version). The powerchute software is showing an "Extended Overvoltage" alarm as it has been compenstating for a high input voltage for an extended period of time. Powerchute reports thats the input voltage is 255V, which according to my voltmeter is circa 10Volts high.

Is there a way to adjust this?

[Anonymous user]

What is the exact model number? 255V is pretty high for any unit, including a 240V UPS. You can adjust high and low transfer voltages in SmartUPS units through the PowerChute Business Edition software.

Thanks.

[Anonymous user]

It's an SU700RMI 2U.
I have just swapped the batteries into another unit which is reporting 253V in PowerChute. The voltmeter still reads circa 245V (small meter so hard to be precise), i will try to find my digital meter and/or AVO tomorrow. Anyway both of these voltages are in excess of what should be expected in the UK!

I guess I just push the High-Transfer Voltage to 265V? and maybe even push the Nominal Output Voltage up to 240V?

[Cap1_apc · Accepted solution]

Yes, if you move the high transfer point up to 265, the unit should come online.

You may want to check out this kbase that demonstrates the Smartups transfer points:
http://nam-en.apc.com/cgi-bin/nam_en.cfg/php/enduser/std_adp.php?p_faqid=715&p_created=1010390400&p_...

As for output voltage, thats up to you.