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UPS for 400 Vac Grid, User Guide, doc. rev. 4
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8.2.2.7.
DC bus voltage calibration
This function is used to correct any inaccuracy in the UPS’s reading of the battery voltage.
The UPS’s readings are calibrated before the UPS leaves the factory, but over time or due to
environmental factors the UPS’s DC measurements may drift slightly.
For calibration, refer to SolarEdge Customer Service. Field calibrations are not
allowed.
8.2.2.8.
DC voltage adjustment
This function is used to correct any inaccuracy in each module’s measurement of its internal DC
voltage. The UPS’s re
adings are calibrated before the UPS leaves the factory, but over time or due to environmental
factors the UPS’s DC measurements may drift slightly.
For calibration, refer to SolarEdge Customer Service. Field calibrations are not
allowed.
8.2.2.9.
Serial number
This function enables you to record the serial number of each UPS power module in memory, for
easy reference. The serial number can be found on a silver sticker on the exterior of each UPS
power module.