Hach POLYMETRON 8810, User Manual

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1. Remove the pump cover.
2. Mount the pump on the front of the panel in one of the available slots (see Figure 10
on page 37) using the 2 screws.
3. Replace the cover on the back of the panel using the 4 screws.
4. Mount the clamp with the Tygon
®
tubing relevant to the application (see also
Figure 17 ).
5. Connect the Tygon
®
tubing to the measuring cell.
6. Connect the Tygon
®
tubing to the reagent canister.
7. Connect the pump cable to the electronic unit according to the pump function (refer to
Table 6 on page 20 and Table 7 on page 20).
Tube replacement
D A N G E R
Multiple hazards. Always make sure the analyzer is turned off and power is disconnected before
replacing the tubes.
1. Separate the pump tubing and the fixations by pulling apart.
2. Free the cassette from the pump by pressing laterally on the catch (see also
Figure 17 ).
3. Remove the pump tubing.
4. Install new tubing into the cassette.
5. Attach the color-coded label to the new tubing.
6. Install the cassette on the pump and press until the catch engages.
7. Submerge the free end of the tubing into the reagent canister.
8. Reconnect power to the analyzer.
8.8.2 Micro piston pump
D A N G E R
Electrocution hazard. Always make sure the analyzer is turned off and power is disconnected
before installing this option.
The micro piston pump has a better accuracy than the peristaltic pump and does not
require any specific maintenance. The flow rate is adjustable between 0 and 3 mL/minute.
Figure 18 Micro piston pump
Install the pump as follows:
1. Remove the pump cover.
2. Mount the pump on the front of the panel in one of the available slots (see Figure 10
on page 37) using the 2 screws.
3. Replace the cover on the back of the panel using the 4 screws.
Additional options
47