Hach QC8500 Series 2, User Manual

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24
Installation
3.3.6 Fluidic connections
3.3.6.1 Connect the rinse station
Rinse solution is pumped into the bottom of the rinse station and drains to a waste
container through drain tubing attached at the top of the station (
Figure 21 ).
To connect the rinse station:
1. Connect the rinse-in end of the wash line assembly to the inlet fitting (bottom).
2. Install the pump tube with the purple pump tube tabs on the pump. Refer to
section 3.2.3 on page 18 .
Note: The outlet of the tube on the right side of the pump attaches to the inlet of the wash bath
( Figure 21 , item 1).
Important Note: Do not lock down the right side of the pump cartridge until ready to
perform the test.
3. Drop the other end of the wash line into the rinse solution.
4. Connect one end of the Tygon drain tubing to the drain fitting (top). Drop the other
end into a waste container.
3.3.6.2 Sample line installation (no dilutor)
To install the sample line:
1. Connect the end of the sample line with the union fitting to the probe.
2. Install the pump tubing (green collar locks) in the pump. Refer to section 3.2.3 on
page 18 .
Note: Do not lock down the right end of the pump tubing.
3. Connect the sample line to the injection valve on the system unit.
Figure 21 Rinse station diagram
1 Drain fitting 5 Inlet fitting
2 Wash bath 6 Rinse-in tubing
3 Mounting block 7 From pump
4 Flow 8 Drain tubing for waste