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Smart-UPS 2200: cut output voltage when on smart boost

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.

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MKSMarburg_apc
Crewman
Crewman
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2
226

Smart-UPS 2200: cut output voltage when on smart boost

This was originally posted on APC forums on 11/2/2015


Greetings everybody, our Smart-UPS 2200 is putting out about 244 VAC when it's on smart boost - a bit too much for our taste, with our CPU's being designed for up to 240V. Output voltage is supposed to be 230V. Is there a way to adjust this?

TIA

Matthias, Marburg, Germany


Accepted Solutions
MKSMarburg_apc
Crewman
Crewman
0 Likes
0
226

Re: Smart-UPS 2200: cut output voltage when on smart boost

This was originally posted on APC forums on 11/4/2015


Cheers voidstar, this helped. I was a bit unsettled because our systems are designed for 220-240VAC, as per manufacturer. Looks like it is as it's supposed to be. My attention was caught by the output voltage going up to 244 V whenever the UPS came in on smart boost. In this location we're typically somewhat below 220 V (UPS comes in at 213 V), so the rise in the voltage was rather significant. It seems to be safe to drop the matter then. Thank you very much again.

Matthias, Marburg, Germany

See Answer In Context

2 Replies 2
voidstar_apc
Janeway
Janeway
0 Likes
0
226

Re: Smart-UPS 2200: cut output voltage when on smart boost

This was originally posted on APC forums on 11/2/2015


Hi Matthias,

The output limits / transfer points (terminology is interchange-able) for a SmartUPS are configurable. If your UPS has an LCD display, use that. If your UPS has a network management card, look under the power settings. Otherwise use PowerChute Business Edition software to make the adjustment.

edit: I just tried this with one of my UPSes... the lowest I can set the limit is 253V, so my guess is it's within the safety margin for a 230V device. So I looked around for why and came across this:

"The law now states 230v +10% -6%, thereby allowing the European 220v system to stay at 220v and UK to stay at 240v, yet both appear to be harmonised!"

http://coffeetime.wikidot.com/uk-eu-mains-voltage-harmonisation

So 230+10% is 253V ... guess that makes sense.

If you really need tighter regulation, you might consider an online / double conversion UPS rather than your current line-interactive design, though those are more expensive.

MKSMarburg_apc
Crewman
Crewman
0 Likes
0
227

Re: Smart-UPS 2200: cut output voltage when on smart boost

This was originally posted on APC forums on 11/4/2015


Cheers voidstar, this helped. I was a bit unsettled because our systems are designed for 220-240VAC, as per manufacturer. Looks like it is as it's supposed to be. My attention was caught by the output voltage going up to 244 V whenever the UPS came in on smart boost. In this location we're typically somewhat below 220 V (UPS comes in at 213 V), so the rise in the voltage was rather significant. It seems to be safe to drop the matter then. Thank you very much again.

Matthias, Marburg, Germany