Outdoor Cabinet:
The outdoor model is water and weather resistant. Connecting the outdoor Pro-HC to the
primary power should be done by a licensed electrician following all local codes.
1. Route AC power cable and conduit through the 1/2" (13 mm ) conduit opening on the
left side of the bottom of the cabinet.
2. Connect the wires to the transformer wire located inside the junction box. International
units are supplied with a built-in terminal strip. Always use a UL listed conduit 1/2" (13
mm ) male adapter when installing the AC wiring.
3. Insert the adapter into the 1/2" (13 mm ) hole at the bottom of the controller. Attach a
nut to the adapter inside the enclosure.
4. A battery is not required for this controller. Watering will not occur without AC power.
Since this controller has non-volatile memory, the program, clock and calendar will be
retained during a power outage.
STEPS 1-4
Note: To be performed by a licensed electrician only. Always use UL listed ½" (13 mm)
conduit with male adapter when installing AC wiring. Pro-HC controllers are intended to be
supplied AC power with an over-current protected device. Improper installation could result
in shock or fire hazard. This device is not intended for use by young children. Never let
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