HAT828 High Speed ATS Controller User Manual Page 44 of 56
Fig.3 – S2 Manual Close Flowchart
NOTE:
When “Power Abnormal Manual Trans.” is active, S1 or S2 is manually closed, if A phase voltage of this
power is abnormal, ATS can transfer; When it is inactive, S1 or S2 is manually closed, if A phase voltage of this power
is abnormal, ATS not transfer.