Bryant ASPAS1BBA015 - Manual (Page 56)

Page 56
SECTION 3.2
OPERATIONAL ANALYSIS
PART 3 “V-TYPE” PREPACKAGED
TRANSFER SWITCHES
UTILITY RESTORED, TRANSFER SWITCH DE-ENERGIZED
After the preset time interval expires the circuit board will open the Wire 23 circuit to ground. The transfer relay
de-energizes, it's normally closed contacts close, and utility source voltage is delivered to the utility closing coil
(C1), via Wires N1A and N2A, closed Transfer Relay Contacts 1 and 7, and Limit Switch XA1.
Figure 7. Utility Restored, Transfer Relay De-energized.