Revision 1
78
9/10/2019
w) Remove the backpurge by selecting the
Sample
check box.
x) Click the
On Line / Off Line
switch to indicate that the system is
On Line
. The system will
automatically restart. The analyzer may show a fault and be in Manual (back purge)
mode when put On Line, due to low cell temperature. Once the oven temperature is at its
set point and the preset time delay expires, the system will automatically restart.
7.5 Measurement Cell Removal
The measurement cell will require removal only when there is a suspected sampling problem
or if it becomes necessary to change the cell windows and/or O-Rings. A sampling problem
could be due to system plugging or collection of nongaseous material in the measurement
cell.
The measurement cell is to be removed by trained and authorized
personnel only. The oven compartment and all of its components are HOT
(50ºC/120ºF). Wear appropriate personal protective equipment (gloves, eye
wear, clothing etc) if working with hot surfaces or wait until surface have
cooled to safe temperatures before performing maintenance tasks.
Procedure
a) Click the On Line / Off Line switch to indicate that the system is
Off Line
.
b) ) Place the analyzer in back purge mode. This can be done by navigating to the
Back
Purge
field on the Analysis 1 page and pressing
Enter
to place an “x” in the box
The control cabinet door may NOT be opened while the analyzer is
energized UNLESS the area is known to be non-hazardous. Observe all the
warning labels on the analyzer enclosures.
c) Access the purged control cabinet following proper user company and/or regulatory
agency procedure.
d) Turn the UV Source Lamp off by placing the UV Lamp switch to the OFF
p
osition.
e) Turn the oven heaters off by locating the AC Power fuse terminal on terminal strip
ACTS:25. Lift the fuse terminal tab opening the terminal block and thus disconnecting the
AC Power fuse. Refer to the Control Cabinet Components drawing.
f) Open the oven door.
The oven compartment and all of its components are HOT (50ºC/120ºF).
Wear appropriate personal protective equipment (gloves, eye wear,
clothing etc) if working with hot surfaces or wait until surface have cooled
to safe temperatures before performing maintenance tasks.
g) Allow zero gas to flow for approximately five (5) minutes to remove all toxic gases from
the sample system.
Summary of Contents for 962-AGX
Page 43: ...Revision 1 43 9 10 2019 Figure 4 13 Network Sub Panel...
Page 86: ...Revision 1 86 9 10 2019 Figure 9 1 Customer Connections...
Page 87: ...Revision 1 87 9 10 2019 Figure 9 2 Analyzer Components...
Page 88: ...Revision 1 88 9 10 2019 Figure 9 3 Inputs and Outputs...
Page 89: ...Revision 1 89 9 10 2019 Figure 9 4 AC Wiring Overview...
Page 90: ...Revision 1 90 9 10 2019 Figure 9 5 DC Wiring Overview...
