Hach-Lange HACH 9523 - Manual (Page 15)

7. Slowly raise the new cartridge to the measuring cell and screw into place to obtain an airtight and
watertight fitting.
8. Open the degassing valve (D).
9. Open the sample flow adjustment valve and ensure everything is watertight and there are no
leaks.
10. Close the degassing valve when the measuring cell is free of air.
11. Set the sample flow to the required rate (between 5 and 20 L/h).
12. Modify the resin parameters (see
Resin option on page 11).
Resin replacement kit
1. Stop the sample flow using the sample flow adjustment valve (A).
2. Unscrew the used cartridge from the measuring cell and remove carefully by pulling down on the
cartridge until it clears the steel tube (B). The steel tube must remain in place.
3. Discard the used resin following the safety and disposal information for both the used resin and
used cartridges.
4. Fill the cartridge with the new resin up the marker line (C), adding demineralized water at regular
intervals to compact the resin.
5. Take the cartridge and place the end of the steel tube into the center (D).
6. Slowly raise the cartridge to the measuring cell and screw into place to obtain an airtight and
watertight fitting.
7. Open the degassing valve (E).
8. Open the sample flow adjustment valve and ensure everything is watertight and there are no
leaks.
9. Close the degassing valve when the measuring cell is free of air.
English 13