Restoring the GC to operating condition
20
Restoring the GC to operating condition
1.
Reinstall the electronics side panel.
2.
Reinstall the top rear panel
3.
Reinstall the detector cover.
4.
Reinstall the electronics top cover.
5.
Plug in the GC and turn it on.
6.
Press [Front Det] or [Back Det]. If the detector has been properly
installed, you will see the following display:
†
An actual flow value is displayed when the gases are off or not connected. This is not an
error. After the gases are connected and the detector is operational, the actual flow values
will be equal to the setpoint values.
7.
If you have an EPC detector, zero the pressure sensors:
a.
Make certain that your detector and makeup gases are not
connected to your detector.
b.
Press [Options] and scroll to
Calibration Front detector
or
Back detector
.
c.
Scroll to
Oxidizer zero
and press [On].
d.
Scroll to
H2 zero
and press [On].
e.
Scroll to
Makeup zero
and press [On].
8.
Turn the GC off and unplug the power cord. Plumb the air, hydrogen,
and makeup gases to your detector. See the
Site Preparation and
Installation Manual
for instructions.
FRONT DET (NPD)
Temp
24
Off <
H2 flow
Off
Air flow
Off
Mkup (He)
Off
Adjust offset
Off
Output
0.0
Bead voltage
Off
EPC
NonEPC
FRONT DET (NPD)
Temp
24
Off <
H2 flow
0.x†
Off
Air flow
0.x†
Off
Mkup flow
0.x†
Off
Adjust offset
Off
Output
0.0
Bead voltage
Off
Summary of Contents for NPD
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