Orbit 37772 Installation Guide Page 1

Layout GuideEasy, step-by-step,underground sprinklersystem layout guideEasy, step-by-step,underground sprinklersystem layout guideFREE SPRINKLERSYSTEM

You'll need to select a location for your main shut-off valve and the best location for the sprinkler valve manifold.Main Shut-Off ValveThe Main

You need to plan and draw the layout for your main sprinkler line and lines for each zone.Main Sprinkler LineDraw the MainSprinkler LineRouteUse a dir

Header LineDraw a header line from the mani-fold to each zone. Header lines willbe intersected with lateral lines.Sprinkler heads should not be instal

System LayoutGraph PaperHelpful ToolsPlanning______ 50' or 100' Tape Measure ______ Compass ______ Pencil______ Ruler______ Orbit®Pressure G

01010 20 30 40 50 60 702030405060708090100Layout Graph Paper07WTM003045 53251-01 rE.qxd 3/2/07 2:30 PM Page G2

7 0 80 90 100110120130140= 1/10” or 1’= 1” or 10’Graph Scale07WTM003045 53251-01 rE.qxd 3/2/07 2:30 PM Page G3

Planning & DesignSprinkler System Layout & Installation GuideG4Installing YourSprinkler SystemHelpful ToolsInstallation______ Ground Paint ___

This section will show you how to install your sprinkler system. Marking Head andPipe LocationBegin by marking the entire layout • Use Orbit®sprin-kle

Connect to Main LineInstall a Slip Compression Tee•Clean off the water service pipe(downstream from meter).• Cut out a section of pipe – half thelengt

Using the painted lines as your guide (see System Layout, Page 13) dig trenches to the depth required by local codes. Important: Refer to your local c

• Conserve Water & Money – Reduce over-watering and water when evaporation levels are low.•SaveTime– Enjoy a beautiful yard and spend more time do

Use PVC schedule 40 (or other pressure-rated pipe) to connect the main shut-off valve to the valve manifold(s). Important: Use pipe one size larger th

Install Header Lines•Connect 1" pipe toeach valve and run itto the assigned zone.• Use fittings (elbow,cross or tee) for eachlateral line.Install

Install Risers (Without Heads)Risers are designed to bring the sprinkler head up to ground height. A wide selection of risersare available. Select the

Sprinkler wire consists of one white (common) and 4 or 6 colored strands.The sprinkler wireneeds to have at least one more wire strand than the number

AppendixSprinkler System Layout & Installation Guide20WATER PRESSURE (PSI)3/4”SCH. 40 PVC1”Gear DriveImpact SprinklersPop-Up & Shrub Spray Hea

Sprinkler TimersThe timer is the brains for your underground sprinkler system that controls when and how longto irrigate your yard. Orbit's®line

Pre-Assembled Valve ManifoldsOrbit®valves continue to set a high standard for solid construction and reliability. Pre-Assembled Manifolds with Snap-W

Part # Description Qty7 Conductor 100’ – For up to 6 Valves5 Conductor 100’ – For up to 4 Valves570885709354042 Mushroom Bubbler 37330

PN 53251 Rev EIrrigation Products, Inc.845 North Overland RoadNorth Salt Lake, Utah 84054 USAwww.orbitonline.comToll-Free 1-800-488-6156Phone 801-299-

Common Questions To Ask Your Water District:•Is a permit required?▫Yes▫ No• Is a licensed plumber required for connecting to the main water supply?▫Ye

You need to determine the available water flow for your sprinkler system so you'll know how many sprinkler heads can run at one time. Water flow

Planning & DesignSprinkler System Layout & Installation Guide5Measure your property and create a top down view on graph paper (supplied in thi

Select Heads For Each AreaOur example uses:•Voyager II®in the back yard• Spring-Loaded Pop-Up (with adjustable nozzle) in the frontand side yard• Mush

Head to Head CoverageProper sprinkler placement allows even watering andreduces dry patches.Proper placement requires:• Head to head coverage: Each sp

Add Heads and Adjust Spacing• Add sprinklers alongthe sides or center to increase coverage.A watering zone or station consists of a group of sprinkler

Example – We have determined that our homehas a “Main Line” size of 3/4” with a “Static Water Pressure” of 60 psi. Based onthis information, and using