Hach-Lange POLYMETRON 9611 sc Installation - Manual (Page 8)

Figure 3 Ports for one or two sample streams
1 Drain vent-keep open 4 Air purge inlet
(optional)
7 Case drain for spills
or leaks
2 Not used 5 Sample 1 bypass
drain
8 Sample 1 inlet
3 Two sample stream
analyzers only:
Sample 2 bypass
drain
6 Chemical drain 9 Two sample stream
analyzers only:
Sample 2 inlet
Figure 4 Ports for four sample streams
1 Not used 5 Sample 2 bypass
drain
9 Sample 1 inlet
2 Sample 4 bypass
drain
6 Sample 1 bypass
drain
10 Sample 2 inlet
3 Sample 3 bypass
drain
7 Chemical drain 11 Sample 3 inlet
4 Air purge inlet
(optional)
8 Case drain for spills
or leaks
12 Sample 4 inlet
Plumb the sample and drain lines
C A U T I O N
Explosion hazard. Use only the supplied regulator from the
manufacturer.
C A U T I O N
Chemical exposure hazard. Dispose of chemicals and wastes in
accordance with local, regional and national regulations.
N O T I C E
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.
8 English