Specifications

23G-Series RO System
3024270 Rev G 76 14Oct13
Do not make adjustments when the Autoflush light is ON. Always
wait until the Autoflush finishes and the light goes out before
adjusting the orifices. Make sure concentrate valve is closed.
1. Concentrate Orifice - screwdriver adjustment.
• Adjusts the concentrate flow output to the drain.
• Adjust so that the concentrate flow rate matches the value
printed on the machine nameplate. To adjust the
concentrate flow rate:
Adjusting the Orifices - requires two wrenches and a large
screwdriver.
a. Use one wrench to hold the large nut and prevent it from
turning.
b. Use another wrench to loosen the locking nut, adjust the
flow with the screwdriver.
c. Tighten the locking nut after.
• While adjusting, make sure that the primary pressure
reading is less than 275 psi (19.0 bar), and more than
150 psi (10.3 bar).
• Clockwise (in) reduces the concentrate flow rate,
causing higher primary pressure and higher permeate
flow.
• Counterclockwise (out) increases the concentrate flow
rate.
WARNING:
Be careful not to unscrew the adjustment too far, or the screw will blow out
of the orifice and may cause injury.
2. Recycle Orifice - screwdriver adjustment.
• Controls the amount of concentrate being recycled back to
the pump.
• Adjusts the primary pressure and permeate flow rate.
• Adjust so that the permeate flow rate matches the value
printed on the machine nameplate. To adjust the permeate
flow rate: