Prepare For Storage - Hach CL17sc User Manual

Prepare for storage

Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
If power to the analyzer will be removed for more than 3 days or the analyzer will not be used for
more than 3 days, prepare the analyzer for storage.
Items to collect:
Beaker with deionized water (2x)
1. Remove the reagents from the reagent lines as follows:
a. Remove the indicator bottle and buffer bottle from the analyzer.
b. Put two beakers (or containers) that contain deionized water in the analyzer.
c. Put the indicator bottle tubing and the buffer bottle tubing in the beakers.
d. Push menu, then select SENSOR SETUP > [select analyzer] > PRIME.
The analyzer removes the reagents from the reagent lines.
2. Remove the deionized water from the reagent lines as follows:
a. Remove the indicator bottle tubing and the buffer bottle tubing from the beakers.
b. Remove the two beakers from the analyzer.
c. Push menu, then select SENSOR SETUP > [select analyzer] >PRIME.
The analyzer removes all of the liquid from the reagent lines.
3. Disconnect the analyzer cable from the controller (or remove power to the controller).
4. Turn the shut-off valve to the closed position to stop sample flow to the Y-strainer.
5. Remove the pump clamp. Refer to
6. Remove the water from the cell as follows:
a. Remove the lid from the cell.
b. Remove the water from the cell with a disposable dropper or a no-lint cloth.
c. Install the lid on the cell.
7. To start the analyzer after storage, do the steps that follow:
a. Install the pump clamp. Refer to
b. Install reagent bottles. Refer to
c. Set the shut-off valve to open to start sample flow to the Y-strainer.
d. Connect the analyzer cable to the controller, if the cable was disconnected.
e. Supply power to the controller, if power was removed.
f. Push menu, then select SENSOR SETUP > [select analyzer] > PRIME.
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C A U T I O N
Figure 6. Keep the pump clamp for later use.
Figure 6.
Step 4: Install the reagent bottles
Disposable dropper or no-lint cloth
on page 13.