Technicolor - Thomson POWER & CONTROL TS 870 - Manual (Page 49)

APPENDIX “B”
THOMSON TECHNOLOGY
©
INSTRUCTIONS TO CHANGE SYSTEM
VOLTAGE ON TS 870 SERIES TRANSFER
SWITCHES WITH /TSC 80E CONTROLLER
9087A - 198
th
Street, Langley, B.C. Canada V1M 3B1
•
Telephone (604) 888-0110
•
Telefax (604) 888-3370
DANGER!!!!
Arc Flash and Shock Hazard. Will cause severe injury or death.
Do not open equipment until ALL power sources are disconnected
This equipment must be installed and serviced only by qualified electrical personnel
utilizing safe work practices and appropriate Personal Protective Equipment (PPE).
Failure to do so may cause personal injury or death
A) TSC 80E CONTROLLERS ONLY
1. Ensure all power sources are de-energized prior to opening the transfer switch enclosure door.
2. Disconnect “Control Circuit Isolation Plug”
3. Change voltage transformer primary taps settings to match new system voltage on all potential
transformers. (Refer to wiring schematic diagram below. Ensure all electrical connections are
tight.