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Connect Power to the Controller
Surge Protection and Grounding
The ESP-LXME controller is equipped with built-in electrical surge
protection. For this system to function, you must properly ground the
controller.
c
b
WARNING: The ESP-LXME controller must be properly surge
protected and grounded. Doing so can help prevent damage to
the controller and irrigation system and also significantly reduce
troubleshooting, repair time and expense. Failure to do so could
result in failure of your controller and voiding the warranty.
Ensure that all grounding devices are compliant with local electrical
codes.
Connect Power Source
The ESP-LXME controller has an internal transformer that reduces supply
voltage (120 VAC in U.S. models; 230 VAC in international models; 240
VAC in Australian models) to 24 VAC. You will need to connect power
supply wires to the transformer's three wires. (Line, Neutral, Ground)
c
b
WARNING: Electric shock can cause severe injury or death. Make
sure power supply is turned OFF before connecting power wires.
c
b
WARNING: All electrical connections and wiring runs must be
made according to local building codes.
A
Locate the transformer wiring compartment in the lower left
corner of the controller cabinet. Remove the screw on the right-
hand side and pull the cover off to expose the wiring compartment.
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ESP-LXME Controller
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