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Overly "High Utility Voltage"

APC UPS Data Center & Enterprise Solutions Forum

Schneider Electric support forum for our Data Center and Business Power UPS, UPS Accessories, Software, Services, and associated commercial products designed to share knowledge, installation, and configuration.

Solved
razza_apc
Cadet
0 Likes
3
302

Overly "High Utility Voltage"

This was originally posted on APC forums on 1/29/2008


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?


Accepted Solutions
Cap1_apc
Lt. Commander
Lt. Commander
0 Likes
0
303

Re: Overly "High Utility Voltage"

This was originally posted on APC forums on 1/30/2008


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.

See Answer In Context

3 Replies 3
Sgt._Slaughter_apc
Lt. Commander
Lt. Commander
0 Likes
0
303

Re: Overly "High Utility Voltage"

This was originally posted on APC forums on 1/29/2008


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.

razza_apc
Cadet
0 Likes
0
303

Re: Overly "High Utility Voltage"

This was originally posted on APC forums on 1/29/2008


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
Lt. Commander
Lt. Commander
0 Likes
0
304

Re: Overly "High Utility Voltage"

This was originally posted on APC forums on 1/30/2008


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.