Toro Hydroject 3000 Troubleshooting Manual page 40

38 Components
Accumulator Operation
Accumulator charged
System Startup
Ready for aeration
Cycling Valve Opens
Cycling Valve Closes
TORO Hydroject® 3000/4000
Status
Unit not running
Nitgogen pressure 2500 PSI
Piston at bottom of accumulator
Status
Unit running
Nitgogen pressure at 2500 PSI
Piston begins to move upward
Status
Unit running
Nitgogen pressure equals water pressure
Piston halfway up
Accumulator is half full of 5000 PSI water
Results
As the cycling valve opens.
The piston moves down as water from lower half of
accumulator flows to the injection nozzles
Results
As the Cycling valve closes.
The piston moves back up as water from the water pump
refills the lower portion of the accumulator