TS 910 TRANSFER SWITCH
PM140 REV 0 12/02/09 13 Thomson Technology
• 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.
a) Up-plug the TSC 9 controller isolation plug (J4) to prevent automatic operation.
b) Open ATS enclosure and locate Manual Operation Handle provided with the transfer
switch (see photos below)
100A/200A ATS Handle 400A ATS Handle
c) Insert manual handles onto the transfer switch mechanism at locations shown in the
following diagrams.
100A/200A Contactor Mechanism 400A Contactor Mechanism
d) To manually operate mechanism to the utility supply position, rotate handle
upwards. Do not over-torque handle once position has been attained.
Insert Manual Handle
Insert Manual Handle
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