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MX28B1200/2400 MX28B1200/4800 –48 VDC User’s Manual Page 62
Float / Boost/Equalize
Switch
Used to Control voltage on systems without a PSCU
Float Trim Pot The float pot is used to adjust the default float voltage (54.5 VDC).
Boost/Equalize Trim
Pot
The boost/equalize pot is used to adjust the default boost equalize
voltage (57.5 VDC).
Power Shelf Control Unit
Major (Red) On when Major Relay is de-energized*
Minor (Yellow) On when Minor Relay is energized
Normal (Green) On when no alarms are active
ALM 1 (Red) On when Output Relay 1 is energized
ALM 2 (Red) On when Output Relay 2 is energized
ALM 3 (Red) On when Output Relay 3 is energized
ALM 4 (Red) On when Output Relay 4 is energized
ALM 5 (Red) On when Output Relay 5 is energized
ALM 6 (Red) On when Output Relay 6 is energized
MIN (Red) On when Minor Relay is energized
MAJ (Red) On when Major Relay is de-energized*