Put The Analyzer In Shutdown Mode; Put The Analyzer Back Into Operation; Clean The Instrument; Clean Spills - Hach 5500sc Manual Del Usaurio

Put the analyzer in shutdown mode

Put the analyzer in shutdown mode before maintenance tasks are started. When the analyzer is
stopped, the two colorimeter cells are flushed in sequence, then the sample flow, sample pump and
air pump are set to off. The controller menus stay active.
1. Push menu.
2. Select STOP ANALYZER, then YES to confirm.
Note: If START ANALYZER is shown, the analyzer is already in shutdown mode.
3. Wait for the status to show 100% completion.
4. Close the shut-off valves in the sample lines, then complete the maintenance task(s).

Put the analyzer back into operation

After maintenance tasks are complete, start the analyzer as follows:
1. Make sure that all the tubing is connected and that the lower door is closed and latched.
2. Open the shut-off valves in the sample lines.
3. If power was removed, start power again.
4. Push menu.
5. Select START ANALYZER.
The analyzer starts normal operation.

Clean the instrument

Never use cleaning agents such as turpentine, acetone or similar products to clean the instrument including the
display and accessories.
Clean the exterior of the instrument with a moist cloth and a mild soap solution.

Clean spills

Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local, regional and
national regulations.
1. Obey all facility safety protocols for spill control.
2. Discard the waste according to applicable regulations.

Sample line and valve cleanup

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.
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