Hach Polymetron 9611sc Installation Manual page 8

Figure 4 Ports for four sample streams
1 Not used
2 Sample 4 bypass drain
3 Sample 3 bypass drain
4 Air purge inlet (optional)
Plumb the sample and drain lines
Explosion hazard. Use only the supplied regulator from the manufacturer.
Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local, regional and
national regulations.
Do not connect the drain lines to other lines or backpressure and damage to the analyzer can occur. Make sure
that the drain lines are open to air.
The pressure regulator is set to a fixed pressure and cannot be changed.
Use the supplied tubing (6 mm), Y-strainer with filter and pressure regulator to plumb the drain and
the sample to the analyzer. Refer to
access ports must be 6 mm. Tubing of 1/4 in. may be used for the sample line up to the valve/y-
strainer but not into the plumbing access ports of the analyzer.
8 English
5 Sample 2 bypass drain
6 Sample 1 bypass drain
7 Chemical drain
8 Case drain for spills or leaks
C A U T I O N
C A U T I O N
N O T I C E
N O T I C E
Figure 5. The sample line tubing that goes into the plumbing
9 Sample 1 inlet
10 Sample 2 inlet
11 Sample 3 inlet
12 Sample 4 inlet