Entron EN1000 series

Page 23
710239A
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1.
For your convenience, many electrical and mechanical connections have been performed
at the factory. Check ALL
electrical connections to assure that all connections are tight.
Connections may loosen during shipping.
2.
Connect the L1 lead from incoming power to the L1 connection located on the contactor
assembly. Connect the H1 lead from the welding transformer to the H1 connection
located on the contactor assembly. Follow machine manufacturer's recommended wire
size for installation. A connection from L2 must be made to TS1-CTH4/L2 to provide
power to the control circuitry. Refer to the CUSTOMER WIRING DIAGRAM for other
connections.
3.
When control is supplied with a circuit isolation device, L1 is factory installed and the
L2 control wire is connected to TS1-CTH4/L2.
NOTE:
Connect a CHASSIS GROUND to Lug provided on the rear wall in the control
cabinet to an external Earth Ground. A good Earth Ground is necessary for proper
control operation.