Hach POLYMETRON 8810 User Manual page 43

Figure 13 Rinsing and dilution assembly
In the above illustration the rinsing system is shown on the left and the dilution system on the right.
1 Input block (already installed on the
analyzer)
2 Sample valve (already installed on
the analyzer)
3 Flow block
4 Male/male fitting G3/8
5 PE tubing 10/12 (already installed on
the analyzer)
6 PE tubing 6/8 (already installed on
the analyzer)
7 PE tubing 3/5
8 PE tubing 4/6
9 Outlet tubing 3/5
10 Barbed elbow fitting, sample inlet
(already installed on the analyzer)
11 Barbed elbow fitting, rinse water
inlet (already installed on the
analyzer)
12 Control valve
13 Dilution assembly
14 PE tubing 3.2/6.4
Install the rinsing assembly as follows (the numbers in brackets refer to
1. Remove the rinse valve (21).
2. Unscrew the sample valve (2) from the panel.
3. Install the sample valve (2) on the flow block (3) using the supplied fitting (4).
4. Screw the new assembly (2 and 3) back on the panel using the two screws from the
sample valve.
5. Install the rinse valve (21) on the flow block (3) using the supplied fitting.
6. Install the PE tubing 10/12 (5) between the flow block (3) and the input block (1).
7. Install the PE tubing 6/8 (6) between the flow block (3) and the sprinkler.
8. Install the PE tubing 3/5 (7) between the flow block (3) and the input block (1) for
rinsing, using the supplied fitting.
9. Install the PE tubing 4/6 (8) on the flow block (3) for sample drainage.
10. Install the PE tubing 3/5 (9) on the flow block (3) for rinse water drainage.
Additional options
15 PE tubing 3.2/6.4
16 Electric cable
17 Flow rate adjustment screw
18 Compressed air inlet
19 Compressed air outlet to (20)
20 Compressed air inlet from (19)
21 Rinse valve (already installed on
the analyzer)
Figure 13):
41