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over long distances. Operating this way provides the benefit of longer wire runs, lower power
consumption and increased lifespan controller and valves.
BENEFITS OF A TWO-WIRE SYSTEM
•
Less Labor to Install - Two-wire path installation is easier to install and connect to controller and
valves saving labor. With only a single cable with two conductors, the installation requires
smaller trench space and enables the contractor to quickly lay the wire in the ground without
concern for routing the cable to the proper valves or later trying to
identify station wires.
•
Easier and Faster to Troubleshoot – When conventionally wired
controller wires are accidentally dug up or trenched through a repair
would require several hours. A two-wire cable, on the other hand,
would be an easy repair. The contractor simply has to splice the black
wire to black and red to red to successfully make the repair. Also when
a group of zones fail to operate, troubleshooting is made easier by
identifying the part of the wire path that does not work and finding the
splice or wire defect that is the cause of the problem. On a
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