ATS Maintenance

transfer switch preventaive maintenanceOur ATS Maintenance will provide a 18 point maintenance program which will be implemented for the purpose of maintaining the Automatic Transfer Switch in the best possible operating condition. A Transfer Switch is an electrical switch that switches a load between two sources. Some transfer switches are manual, in that an operator effects the transfer by throwing a switch, while others are automatic and switch when they sense one of the sources has lost or gained power. An Automatic Transfer Switch (ATS) is often installed where a backup generator is located, so that the generator may provide temporary electrical power if the utility source fails. The Transfer Switch Maintenance include the following: Check The AC Line Voltage

  • Use Voltage Meter to check that all the incoming power is correct.
  • Use HZ Meter to check that all the HZ is correct.
  • Look at AC power line and check for discoloration
  • Test all AC connections and adjust if needed.

Check The Generator Line Voltage

  • Use Voltage meter to check all the incoming power from Generator is correct
  • Use HZ Meter to check Generator HZ & adjust as needed.
  • Look at Generator power lines and check for discoloration.
  • Test all Generator power connections and adjust if needed.

Look Over all Control wires & relays

  • Check condition of all control wires
  • Look at condition of all control relays
  • Test all control wires & relays, adjust if needed.

Check exercise clock

  • Check & adjust exercise clock

Test ATS for proper operation

  • Check for complete & proper operation
  • Close power failure switch & record outcome

Clean internal & external of ATS

  • Clean dust from ATS
  • Clean any debris left on site

Submit completed inspection report

  • Advise owner of any needed repairs
  • Completed report submitted

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800 288 6016

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24/7 Service Department

3927 Mulvey Avenue

Bronx, NY 10466

1 800 288 6016


24/7 Service Department:

1529 Grafton Road

Millbury, MA 01527

1 800 288 6016

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