ESP-LX Modular Controller 77
On 120 VAC models (U.S.), connect the green supply wire
(“ground”) to the green transformer wire.
On 230 VAC models (international), connect the green-with-
yellow-stripe supply wire (“ground”) to the green-with-yellow-
stripe transformer wire.
NOTE: The ground wires MUST be connected to
provide electrical surge protection.
Verify that all connections are secure. Then close the cover of
the high-voltage compartment and secure it with the screw.