c. ATS Manual Operation
The transfer switch maybe operated manually for maintenance or emergency operation conditions provided both Utility and Generator
supplies are de-energized prior to manual operation.
DANGER
HAZARD OF ELECTRICAL SHOCK, EXPLOSION, OR ARC FLASH
This equipment must be serviced only by qualified electrical personnel utilizing safe work practices and appropriate Personal
Protective Equipment (PPE).
Many components of this equipment operate at line voltage. DO NOT TOUCH. Use only electrically isolated tools.
Install and close all covers before applying power to this equipment
Do not open covers to equipment until ALL power sources are disconnected
Failure to do so may cause personal injury or death
Once both Utility and Generator supplies are de-energized the following procedure can be used to operate the Transfer Switch
manually.
1. Up-plug the TSC 9 controller isolation plug (J4) to prevent automatic operation.
2. Open ATS enclosure and locate Manual Operation Handle provided with the transfer switch (see photos below)
100A/200A ATS Handle 400A ATS Handle
3. Insert manual handles onto the transfer switch mechanism at locations shown in the following diagrams.
100A/200A Contactor Mechanism (2 pole) 400A Contactor Mechanism (2 pole)
4. To manually operate mechanism to the utility supply position, rotate handle upwards. Do not over-torque handle once
position has been attained.
5. To manually operate mechanism to the generator supply position, rotate handle downwards. Do not over-torque handle
once position has been attained.
6. Once ATS is manually operated to desired position, re-install enclosure cover, then re-energize supply sources to re-
energized the load.
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