Revision 5
130
August 2021
valves V1 and V3 that may have been disconnected prior to the steam purge to allow
the back purge air to begin flowing through the probe.
13. Re-install the oven enclosure cover. Ensure that the fibre optic cables are still routed
in the indent in the oven enclosure frame to avoid damage when the oven enclosure
cover is installed.
14. Close and latch the oven cabinet door.
15. Allow the back purge to continue for five to ten minutes.
19. Once the measurement cell temperature rises to >140°C, and the
Cell Temperature
fault has cleared, use the F2 / F1 keys to navigate to the
Analysis 1
panel. Perform a
manual zero calibration cycle by using the F4 / F3 keys to highlight
Manual Zero
, then
press
↵
..
20. Once the manual zero calibration cycle is complete, place the analyzer into sampling
mode by highlighting the
Sample
checkbox using the F4 / F3 keys, then press
↵
.
Alternatively, press the F6 key.
21. Once normal operation has been confirmed, return the
Online
/
Offline
control toggle
on the
Analysis 2
panel back to
Online
(green).
The oven can take up to two hours to reach operating temperature. While
the cell temperature is below the Low Cell Temperature fault set point, the
system will continue to back purge and maintain a fault indication to the
control room.
7.10
Spectrometer Replacement
In very rare cases it may be necessary to replace the analyzer spectrometer. To replace the
analyzer spectrometer, refer to Figure 80 while following the procedure below.
Replacing the spectrometer is to be performed by trained and authorized personnel
only.
Summary of Contents for 943-TGS-CE
Page 137: ...Revision 5 137 August 2021 Figure 84 Oven Cabinet Details...
Page 138: ...Revision 5 138 August 2021 Figure 85 Control Cabinet Door Closed...
Page 139: ...Revision 5 139 August 2021 Figure 86 Control Cabinet Door Removed...
Page 140: ...Revision 5 140 August 2021 Figure 87 Power Steam Air Signals Connection Details...
Page 141: ...Revision 5 141 August 2021 Figure 88 AC Wiring Schematic...
Page 142: ...Revision 5 142 August 2021 Figure 89 DC Signals and Wiring Diagram...
Page 143: ...Revision 5 143 August 2021 Figure 90 Flow Diagram...
Page 144: ...Revision 5 144 August 2021 Figure 91 Control and Oven Cabinets Interconnect Wiring...