TS 970 Transfer Switch
PM163 REV 0 20/02/05 26 Thomson Power Systems
7.2. 600A – 1200A POWER CONTACTOR ATS MANUAL OPERATION
Operating handle and select screw driver are supplied loose with the transfer switch for
manual operation.
Once both Utility and Generator supplies are de-energized the following procedure can be
used to operate the Transfer Switch Manually.
7.2.1. MANUAL CLOSING TO UTILITY POSITION (SIDE A)
1. With all power de-energized, open ATS enclosure door and locate manual operation
handles (Operating handle & Screwdriver).
2. Un-plug the ATS control isolation plug (PL-15) to prevent automatic operation (refer to
SECTION 9 for photo showing location of PL-15).
3. Trip Open Generator (Side B) Main Contacts by inserting the operating handle into
the “TRIP” lever as shown below and pushing until Gen Main Contacts open as shown
by the Gen Position Indicator flag “OFF”.