42 | IPS-4 Zone1/Analyzer
NOTE
The Oven and the rest of the sample system will reach normal operat-
ing temperature (application-specific) in approximately 2 hours, but
may take up to another hour to stabilize.
To minimize the time it takes for the entire sample system to warm
up to normal operating temperature, be sure to close the doors after
performing the checks that require them to be open.
7. While working from the User Interface Panel, perform the following
checks to ensure the analyzer temperature-control zone circuitry is
operating properly and the system pressures are set appropriately.
Record the temperature value for each zone and the system pressures
to use as a reference later while comparing the values.
For instructions on working from the User Interface Panel, refer to
Chapter 4.
If changes need to be made to any of the parameters settings, a pass-
word must be entered to allow the changes to be made. For details
about entering a password, refer to “Login/Set Passwords Screen” in
Chapter 4.
NOTE
a. Press the STATUS soft key to view the STATUS screen (Figure 8).
Check and record the current operating temperature readings.
This will help you determine if the signal wiring is properly termi-
nated and if all of the circuitry is operating properly.
Pay close attention to the temperatures of the (Oven) Heater (if
used), (Optical) Bench, and Cell (if used) readings. If these tem-
peratures do not increase, check the wiring for proper connec-
tions. If the wiring is properly connected, it may indicate a shorted
RTD for that temperature zone.
The Oven Heater temperature parameter is available only for applica-
tions with a heated Oven.
Figure 8.
STATUS menu (example screen).
►Heater 19 °C
Bench 24 °C
Cell 23 °C
Electronics 24 °C
Manifold Pressure 85 psia
Aspirator Pressure 3 psia
HOME ALARMS STATUS SETUP
NOTE
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