2110XP Ammonia Analyzer User Guide (1574 Kb) - Thermo Scientific

Instrument Operation
Shutdown and
Start-Up Procedure
Shutdown
The following steps should be taken if a loss of sample flow is expected for
more than one day. These procedures will prevent possible build-up of
caustic reagent vapors in the monitor.
Warning: Be sure to read and observe the following requirements!
Danger: Turn off air pump prior to removing reagent bottle. The air
pump will spatter caustic reagent outward as bottle is removed. Wear
rubber gloves and safety goggles to avoid possible injury from reagent
residues in the system.
To access air pump, press . Press / to scroll though
parameters until TEST appears in marquee window.
Press to access TEST menu. Use / to scroll through
submenu until AIr appears in main display.
Press . Press / to toggle between On/OFF setting for air
pump power.
Note: Changing air pump On or OFF will be indicated by a click sound.
Press
Press
to accept the setting and returns user to TEST sub menu.
to return to measure mode.
1. Shut off the sample flow prior to the analyzer inlet. Refer to Chapter
IV, Flow Regulation.
2. Disconnect the power. Refer to Chapter II, Wiring the Instrument.
3. Drain the flow cell.
4. Remove the reagent bottle and store it in a well-ventilated area, such as
a laboratory fume hood.
5. Carefully pull the ammonia and reference electrodes out of the top of
the flow cell and let them hang by their connectors.
6. Locate the protective end cap from reference electrode kit and place on
base of reference electrode. This will prevent the reference electrode
from drying out.
Thermo Scientific Orion 2110XP Ammonia Monitor User Guide
III-31