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Bio-Rad ChromLab™ Software User Manual

Page 279

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Plumbing NGC Systems

Instrument Guide

| 277

3.

Immerse the open end of the waste tubing in the waste container.

4.

Connect

Tube #2 from the 40 psi backpressure regulator that you connected in

step

2 on page

270

to the inlet port (In) on the pH valve.

5.

Connect Tube #4 to the outlet port (Out) on the pH valve.

6.

Connect the other end of Tube #4 to the Common port on the BioFrac fraction
collector diverter valve.

Tip:

To clean the pH valve, immerse the outlet lines into a waste container and

the inlet lines into cleaning solution. Perform the system wash step in

ChromLab as explained in the section System CIP (Clean in Place) — Storage

Parameters in the NGC Chromatography Systems and ChromLab Software

User Guide.