A
Locate the transformer wiring compartment in
ENG
the lower left corner of the controller unit. Use a
screwdriver to remove the cover and expose the
transformer connection wires.
B
Route the three external power source wires
through the conduit opening at the bottom of
the unit and into the wiring compartment.
C
Connect the external power source wires (two
power and one ground) to the transformer
connection wires inside the wiring compartment.
c
c
WARNING: Ground wire must be connected to
provide electrical surge protection. Permanently
mounted conduit shall be used for connecting
main voltage to the controller.
b
c
NOTE: Use either the provided wire nuts or the
installed connector for this step.
D
Verify that all wiring connections are secure,
then replace the wiring compartment cover and
secure it with the screw.
12
ESP-Me Controller
C
A
B