Download Orbit 37772 Installation Guide

07WTM003045 53251-01 rE.qxd
3/2/07
2:30 PM
Page 17
Installation
9
CONNECT ZONES
Install Header Lines
• Connect 1" pipe to
each valve and run it
to the assigned zone.
Header Line
PVC or Poly Tee
PVC or Poly Cross
• Use fittings (elbow,
cross or tee) for each
lateral line.
Install Lateral Lines
Fittings with
Threaded Outlet
• Connect 3/4"
lateral lines to
the header line.
Lateral Line
• Run lateral line
to each sprinkler
location.
• Install Tees or Elbow
at each sprinkler
location.
Freezing Areas – Install Line Drains
1" Male Threa
Replace with
Manual Drain
Valve
Lateral and Header Lines
Canister Heads: Install an automatic drain valve in the bottom inlet of all canisters.
End of Sprinkler Line: Install an automatic drain valve after the last head on the end of each
sloped line.
Low Spots: Install a tee and automatic drain valve for low spots on sprinkler head lines.
Main Line
Manifold: Remove the end cap and install a ball or gate manual drain valve.
Sprinkler System Layout & Installation Guide
17