Guardian Technologies 4758 - Manual (Page 56)

SECTION 3.2
OPERATIONAL ANALYSIS
V-TYPE PREPACKAGED
TRANSFER SWITCHES
PART 3
Page 3.2-6
UTILITY RESTORED
Utility voltage is restored and is available to terminals N1 and N2. The utility voltage is sensed by the generators
circuit board. If it is above a preset value for a preset time interval a transfer back to utility power will occur.
Figure 6. Utility Restored, Generator Still Providing Output to Load.