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Smartups SC620

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
seaverd_apc
Cadet
0 Likes
1
112

Smartups SC620

This was originally posted on APC forums on 12/3/2015


I just replaced my battery in a Smartups SC620 and the battery run time is incorrect.  I was wondering if you could provide the battery constant for this model.

Thanks,

Dan


Accepted Solutions
mitsmith_apc
Lt. Commander
Lt. Commander
0 Likes
0
112

Re: Smartups SC620

This was originally posted on APC forums on 12/4/2015


Hi Daniel,

Unfortunately, we do not have the battery constant available. What you can try to do is run a manual runtime calibration. The instructions are below. 


This is a manual procedure and should not be confused with the runtime calibration performed through PowerChute software. The batteries inside of the Smart-UPS are controlled by a microprocessor within the UPS. Sometimes it is necessary to reset this microprocessor, especially after the installation of new batteries.

Note: Before beginning the calibration make sure the UPS has been online and charging for at leat 24 hours for just the UPS or 48 hours for a UPS with external batteries. 

1. Stop the PowerChute software from running and disconnect the serial cable.

2.There must be at least a 30% load attached to the UPS during this procedure, and this load cannot fluctuate more than +/- 5%. This process will cause the UPS to shut off and cut power to its outlets, therefore, attach a non-critical load to the UPS and then force the UPS on battery by disconnecting it from utility power. 

3. Allow the unit to run on battery until it turns off completely. Make sure a 30% load or greater is present!

4. Plug the UPS back into the wall outlet and allow it to recharge (it will recharge more quickly turned off and with no load present). Once the unit has recharged, the ""runtime remaining"" calculation should be more accurate. Remember that if the unit is an older model, then the runtime will not improve significantly. 

See Answer In Context

1 Reply 1
mitsmith_apc
Lt. Commander
Lt. Commander
0 Likes
0
113

Re: Smartups SC620

This was originally posted on APC forums on 12/4/2015


Hi Daniel,

Unfortunately, we do not have the battery constant available. What you can try to do is run a manual runtime calibration. The instructions are below. 


This is a manual procedure and should not be confused with the runtime calibration performed through PowerChute software. The batteries inside of the Smart-UPS are controlled by a microprocessor within the UPS. Sometimes it is necessary to reset this microprocessor, especially after the installation of new batteries.

Note: Before beginning the calibration make sure the UPS has been online and charging for at leat 24 hours for just the UPS or 48 hours for a UPS with external batteries. 

1. Stop the PowerChute software from running and disconnect the serial cable.

2.There must be at least a 30% load attached to the UPS during this procedure, and this load cannot fluctuate more than +/- 5%. This process will cause the UPS to shut off and cut power to its outlets, therefore, attach a non-critical load to the UPS and then force the UPS on battery by disconnecting it from utility power. 

3. Allow the unit to run on battery until it turns off completely. Make sure a 30% load or greater is present!

4. Plug the UPS back into the wall outlet and allow it to recharge (it will recharge more quickly turned off and with no load present). Once the unit has recharged, the ""runtime remaining"" calculation should be more accurate. Remember that if the unit is an older model, then the runtime will not improve significantly.