If the voltage supplying the coil is 'LINE TO NEUTRAL' then NEUTRAL Wire should be connected on Terminal 'L' while the HOT or LINE wire should be connected either to Terminal 'C' to CLOSE the main contacts or Terminal 'O' to OPEN the main contacts of the 920 RC switch.
If the voltage supplying the coil is 'LINE TO LINE' then Terminal 'L' should be connected on one of the LINE wires while the other LINE wire should be connected either to Terminal 'C' to CLOSE the main contacts or Terminal 'O' to OPEN the main contacts of the 920 RC switch.
For further information, you may click on this 920 link or contact Technical Support at 1-800-800-2726 then dial 3 or send an email to technicalsupport@ascopower.com.
Published for:ASCO Power Technologies USA