Install the Irrigation Controller (Automatic Timer)
- Indoor controllers plug into electrical outlets whereas outdoor controllers have wires that run directly to the breaker box. Do NOT mount indoor controllers outside.
- If possible, mount the controller in a shady location.
- Danger: There is live voltage electricity in the circuit breaker box. All 110 volt electrical work must be done by a licensed electrician. A permit may be required by your city.
- It is recommended that you connect the controller to its own dedicated breaker. Do not connect the controller to a GFI (ground fault interrupt) circuit.
- Irrigation controllers must be properly grounded. Follow the manufacturer's instructions carefully.
- Use "direct burial wires" or an irrigation controller cable. The cable has color coded wires to make it easy to match the valves to the proper stations in the controller. For most residential irrigation systems, 18 gauge wire is acceptable.
- Wire expands and contracts with changes in weather. Leave some slack in the wire when running it from the controller to the valves. It also is a good idea to coil some wire at the end of each connection to give you ample wire to work with in the future, when it's time for maintenance or repairs.
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