In hazardous locations the power supply should not be removed or inserted into the carrier unless the input power has been deenergized for at least one minute.
Figure: Power connections
Locate the three power terminals on the side of the carrier.
The terminals are labeled +24V, RETURN, and
ground ().
Connect the 24 VDC power supply's +24 VDC and return connectors to the
corresponding terminals on the carrier.
Connect the power supply's return connection to earth ground.
Connect earth ground to the terminal labeled on the carrier.