Nobel RO 809 /E Instruction Manual
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Contents
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REVERSE OSMOSIS SYSTEMS RO 809-812-815/E - INSTRUCTIONS MANUALs.r.l.Milano - ITALY Page 23 of 25 ro809-812-815_mi-r0.doc - r. 07.5. How to adjust the min pressure switch PCThe factory set point of the pressure switch PC is approx. 0.8 bar (80kPa). Whether furtheradjustment should be required, proceed as follows :• switch OFF the main power of the control panel QE.• remove the cap of the electrical connector on the head of the pressure switch, byunscrewing the screw placed in the center of the cap.• unscrew 2 turns the hexagonal head holed screw placed in the center of the pressureswitch.• using a (cut edge) screwdriver, through the hole of the hexagonal head screw, adjust theturns of the internal screw of the pressure switch until the correct set-point is reached.• to check if the adjustment has been correctly made, put on again for a while the cap onthe electrical connector, switch the power ON, start the pump on "MAN" and close partiallythe inlet valve V1, in order that the min pressure switch acts. Check on the pressuregauge M1, on filter inlet line or the M2 on pump inlet line, the set value of pressure of thepressure switch.• when the adjustment is completed, screw on again the holed screw in the center and theelectrical connector.7.6. DisposalIn the case of the disposal of the system or components of it, follow local laws andregulations concerning the materials of which they are made. Take note that membranes andfiltering elements are classified as simple plastic material, they are not toxic or harmful. |
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