Start Up & Shut Down

Fall Shut - Down Procedures
1. Turn controller to "OFF" position.
2. Close mainirrigation shut-off valve near water meter.

3. Winterize underground lines from external hose bib, close external irrigation valve. ------------ - (Winterization service is available from Instarain)

4. Open drain valve or drain cap on irrigation supply line & drain any remaining water.
5. Note: If drain begins dripping during winter check the main shut off valve may be slightly open or leaking and should be repaired.
Spring Start - Up Procedures
1. Turn controller to "Run" position.
2. Close drain valve / cap on irrigation supply line.
3. Close external hose bib & open external irrigation valve.
4. Slowly open main irrigation shut-off valve to 1/2 flow - water should stop flowing once the irrigation line is filled to the valve box.
5. If flow doesn't stop, check the valve box for a possible leak or a zone valve stuck in the open postion.
6. Run each zone through a manual cycle, 1-2 minutes.
7. Fully open main irrigation shut-off valve.
Procedure Diagram