3KC3 and 3KC6 transfer switching equipment3KC3 and 3KC6 transfer switching equipment
Commissioning
The following content is described in this chapter:
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Commissioning the 3KC3 transfer switching equipment
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Commissioning the 3KC6 transfer switching equipment
Commissioning the 3KC3 and 3KC6 transfer switching equipment
After the transfer switching equipment has been connected to the main circuit, and the control circuit has been successfully connected according to type and network, you can put the transfer switching equipment into operation.
In the case of 3KC6 transfer switching equipment, the power supply and the connection to the control unit are already wired internally.
Requirements
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The cover of the transfer switching equipment is open.
Cover open -
The transfer switching equipment has been switched to position 0 using the handle.
Manual operation -
The transfer switching equipment is properly connected to the main circuit.
All screws are tightened, including those of the unassigned box terminals. -
The connectors of the control power supply and control inputs are properly attached.
Connectors for control power supply and control inputs -
Accessories are properly installed.
Procedure
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Switch on the power supply.
3KC6 only: The LEDs to indicate source availability are illuminated. Source I is available in the figure below, as indicated by the illuminated LED.Source I LED illuminated -
3KC6 only: Program the control unit as described in the section titled Automatic mode - programming of the control unit (3KC6 only).
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Close the cover to switch the transfer switching equipment to automatic mode (on 3KC6) or to remote mode (on 3KC3).
Close the cover3KC6 only: The "Auto" LED and the LEDs to indicate source availability are illuminated (depending on source availability).
In the figure below, source I is available and the transfer switching equipment is in automatic mode, as indicated by the illuminated "Auto" LED.Source I and "Auto" LEDs illuminated