How To Install A Sprinkler System Manifold
In This Article:
Wiring Sprinkler Control Valves
Whether you lot accept a simple sprinkler system or a circuitous one with v or more circuits, each circuit must be controlled by its own sprinkler control valve. Suit your organisation so that each circuit controls a specific portion of your g. For example, one may be used to control an array of micro-sprinklers or drip emitters for a flowerbed and containers.
Measure your water menses charge per unit to determine the size piping that should run from your supply source to the control valves. A supplier of sprinkler supplies tin can requite you lot a worksheet to help you plan your organization so each excursion will have enough h2o pressure. You lot will likely accept one or two circuits plow on at a time.
In virtually cases, you will want to control all—or, in a very big organization, half—of the valves with a unmarried timer that will tell each circuit when to plough on and off. The easiest manner to organize this is in a manifold organisation. Manifolds are made by sprinkler manufacturers and are piece of cake to assemble. You tin buy a organisation with a set number of circuits or put together any number of circuits.
It's of import to have some form of backflow prevention to make sure irrigation h2o cannot back up into the house's drinking water supply. Anti-siphon control valves have their own backflow prevention. They must exist positioned at to the lowest degree 8 inches higher up the highest sprinkler head.
Place them near the timer then you will non take a long wire run. Install a shutoff valve just prior to the control valves. The valves are only put together with threaded parts; you do not accept to glue them. From the valves, run Schedule 80 PVC pipe, starting with a threaded piece downwardly into the trench for the pipe runs to the sprinkler caput.
If you don't want valves sticking up out of the basis, or if your highest sprinkler head is too high for anti-siphon valves, consider installing in-line valves instead (shown at left). These can be installed at whatsoever height, only y'all must first install a separate code-approved backflow preventer prior to the in-line valves.
You can place these valves in a box that is partially cached. Dig a fairly large hole to give yourself room to work and and then install the box and the valves. They also assemble without glue and employ Schedule eighty PVC parts. From the valves, run pipage through trenches to the sprinkler heads.
Wiring Sprinkler Control Valves
Use low-voltage insulated cable canonical for burying (usually AWG-14 or -18) to connect the timer to the control valves. You volition need multi-strand wire with plenty wires for each valve plus one more to connect the valves to the timer. (So, if you have three valves, you'll need four-strand wire.)
If at that place's a possibility y'all'll add on to your irrigation system, use wire with extra strands so you can add valves without having to rewire the entire system.
After connecting the wires, run them undercover to the timer. Make use of sprinkler trenches where y'all can, placing wires underneath the pipes and loosely looping effectually each valve and bend in the trench.
Run the wire above ground when you get to the timer, and secure it to a wall or other surface to proceed it from getting snagged. Make sure the timer is non plugged in while y'all are wiring.
Two wires run from each control valve; connect one of them to the mutual wire that runs to each valve and the other to the desired station number. Attach the timer and then connect the common wire to its spiral terminal, remembering which circuit uses which station.
Source: https://www.hometips.com/diy-how-to/sprinkler-control-valves-wiring.html
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