Hydra-Flex Aqua-Lab CS1 Prep Installation and Operating Manual - Manual (Page 5)

Operating Manual
© Hydra-Flex Inc 2011 - 3 -
a. Increase the pressure set point of the pressure switch by removing the Phillips head screw and
using a 1/8” hex key or Allen wrench to turn the set screw clockwise, replace the
b. Increase the size of the nozzle on the gun
c. Decrease the size of the injector on the system
12. Make sure that the pressure gage at the manifold is set at 200psi by adjusting the pressure regulator.
a. Make sure to engage the lock nut after adjustment
13. At the end of each day make sure that the system switch is turned off to ensure that the system doesn’t
cycle on and off during the night and will not cause a flood if there is a hose or fitting failure
downstream of the system
Initial Injector Setup
(Based on field experience this is HFI’s recommended staring point)
1. All HFI Prep systems ship with an ¾ GPM injector, a foam
generator and a standard spray gun. If you would like to use
the CS1 Prep system without using the foaming feature you
can remove the foam generator and eliminate the air line from
the installation instructions. Please refer to the chart below and
select the injector / nozzle combination that best meets your
needs.
Injector
Size Nozzle Size
Nozzle
Oriface
Approx.
Back
Pressure
0.029 3 0.043 40