Revision 5
115
August 2021
already been tested as described in Section 7.3, however, it is likely that the cell
windows are dirty and/or damaged. Proceed to Section 7.5 – 7.6
35. Use the PANEL NEXT / PANEL PREV keys to navigate to the
Analysis 1
panel.
Perform a manual zero calibration cycle by using the FIELD NEXT / FIELD PREV keys
to highlight
Manual Zero
, then press ENTER.
36. Place the analyzer into sampling mode by highlighting the
Sample
checkbox using the
FIELD NEXT / FIELD PREV keys, then press ENTER. Alternatively, press the PURGE
key.
37. Once normal operation has been confirmed, return the
Online
/
Offline
control toggle
on the
Analysis 2
panel back to
Online
(green).
7.5
Measurement Cell Block Removal
The measurement cell block will require removal only when there is a suspected sampling
problem or if it becomes necessary to clean or 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.
Follow the procedure to remove the measurement cell block from the analyzer.
1. Place the analyzer in Offline mode by toggling the
Online / Offline
control toggle
(Section 4.3.1) on the
Analysis 2
panel to
Offline
(red).
2. Place the analyzer in back purge mode by pressing the PURGE key on the keypad OR
by placing the X in the
Back Purge
check box on the
Analysis 1
panel.
3. Access the purged control cabinet following proper user company and/or regulatory
agency procedure.
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.
DO NOT look at the end of disconnected fibres connected to the UV lamp or
place them in contact with skin. The intense UV radiation transmitted
through these fibres can cause eye and skin damage. Fibres should be
capped immediately after disconnection to prevent acidental exposure to
UV radiation.
4. Turn the oven heaters off by locating the Heater AC Power fuse terminal on terminal
block ACTS:25. Lift the fuse terminal tab opening the terminal block and thus
disconnecting the Heater AC Power fuse, as shown in Figure 72.
5. Open the oven cabinet door and remove the black cover on the oven enclosure.
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Страница 130: ...Revision 5 130 August 2021 Figure 82 Oven Cabinet Door Removed ...
Страница 131: ...Revision 5 131 August 2021 Figure 83 Control Cabinet Door Removed ...
Страница 132: ...Revision 5 132 August 2021 Figure 84 Power Steam Air Signals Connection Details ...
Страница 133: ...Revision 5 133 August 2021 Figure 85 AC Wiring Schematic ...
Страница 134: ...Revision 5 134 August 2021 Figure 86 DC Signals and Wiring Diagram ...
Страница 135: ...Revision 5 135 August 2021 Figure 87 Flow Diagram ...