Thomson Power Systems TSC 900 User Manual

TS 970 Transfer Switch
PM163 REV 0 20/02/05 27 Thomson Power Systems
4. Close Utility (Side A) Main Contacts by inserting the operating handle onto the Power
Contactor Operating Shaft and move in the direction shown below until the Utility Main
Contacts latch closed as shown by the Utility “ON” indicator.
NOTE:
- DO NOT over-torque the Shaft Operating Shaft handle once position has been attained
5. Once ATS is manually operated to the Utility “ON” position, remove the operating handle
from the Power Contactor and secure them away from any live power sources.
6. Close ATS door and re-energize Utility power to return power to the load.
7.2.2. MANUAL CLOSING TO GENERATOR POSITION (SIDE B)
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 Utility (Side A) Main Contacts by inserting the operating handle into the
“TRIP” lever as shown below and pushing until Utility Main Contacts open as shown by
the Utility Position Indicator flag “OFF”.

Thomson Power Systems TSC 900 Specifications

General

Brand	Thomson Power Systems
Model	TSC 900
Category	Switch
Language	English