11-07-2013
P-800LT Freeze Point Analyzer
6-2
Routine Maintenance & Service
System Temperatures — This is an informational display only.
T1 — For future use.
Sample — This is the temperature inside the sample cell.
Sensor — For future use.
Output Control — The operation of the Analyzer’s various solenoids can be checked via these menu
items. The Up/Down Arrow keys are used to change the status.
Sample Solenoid — The Analyzer’s sample solenoid valve is opened when this menu
item is switched from OFF to ON.
Validation Solenoid — The Analyzer’s validation solenoid valve is opened when this
menu item is switched from OFF to ON.
Stream Solenoid — The Analyzer’s stream switching solenoid valve is opened when this
menu item is switched from OFF to ON.
NOTE: The instrument must be equipped with the validation and stream switching
options in order for the Validation and Stream Solenoid menu items to function
properly.
4-20 Control — This menu item allows you to output an analog signal with which to calibrate external
devices. The Up/Down Arrow keys are used to increase/decrease the analog signal value.
Alarms — The Analyzer’s alarm relays will activate when these menu items are switched from OFF to
ON.
Cell Temperature Control — These menu selections allow you to heat/cool the detection cell. When
heat/cooling is applied, the system temperature information should change accordingly. The Up/Down
Arrow keys are used to change the value or status of the highlighted selection.
PWM Load — This is the percent of maximum power applied to the heater.
Heater — The detection cell is heated when this menu item is switched from OFF to ON.
Cooler — The detection cell is cooled when this menu item is switched from OFF to ON.