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道依茨 4070017

 
1. Slowly pressurize the Sample line (up to 20 psig).
2. Block-in the line.
3. Observe the regulator, making sure the pressure holds. The 
pressure should not decrease for a period of two to three 
minutes.
4. When the GC passes the “Initial Sample Gas leak check”, re-open 
the Sample Gas lines.
3.5.2 Purging carrier gas lines
Purging carrier and calibration gas lines requires AC power. Use Helium 
that is 99.995% pure and that has less than 5ppm water and less than 
0.5ppm hydrocarbons.
Note
Tubing should be clean and dry internally. During installation, the tubing should have 
been blown free of internal moisture, dust, or other contaminants. 
To purge the carrier gas lines,
1. Ensure that the MV vent line plug has been removed, and the vent 
line is open. 
2. Ensure that the carrier gas bottle valve is open.
3. Set the carrier gas line pressure at 110 psig. Use the dual stage 
regulator at the carrier gas bottle to adjust pressure.
Note
Do not use the “Carrier Pressure Adjust” regulator adjustment (on the Flow Panel 
Assembly) to adjust carrier gas line pressure. This pressure is factory-set and should not 
be adjusted. 
System Reference Manual Model 700 Gas Chromatograph
3-9000-521 APRIL 2012
3 - 58
4. Turn ON the AC power to the GC.
5. Establish communications with the GC via the MON2000 
software. (Use the File > Quick Connect menu path; see Section 
2.7.2 in the MON2000 Software for Gas Chromatographs User 
Manual (P/N 3-9000-522) for more information.)
6. Use the Applications>Temperature Control menu path to access this 
function. The readouts of the block, column and SSS heater 
controllers should indicate that the unit is warming up. Also, the 
yellow and red status indicators on the FTB4 should be on.
7. Allow the GC system temperature to stabilize and the Carrier Gas 
lines to become fully purged with Carrier Gas.
8. Select the Auto Sequence Function. Use the Control > Auto 
Sequence menu path described in Section 4 of the MON2000
Software for Gas Chromatographs User Manual (P/N 3-9000-522).
Note
A period of 4 to 8 hours (or overnight) is recommended, during which all of the 
settings described in Steps 1 through 7 are maintained. No other settings 
should be made.
3.5.3 Purging calibration gas lines
To purge the calibration gas lines, as preparation for first calibration:
1. Ensure that the Carrier Gas lines have been fully purged, as 
described in the previous section, and that the SV plug has been 
removed.
2. Close the calibration gas bottle valve.
3. Fully open the block valve associated with calibration gas feed 
(the block valve should be located on lower right-hand corner of 
the front panel).
See Section 5.8 in the MON2000 Software for Gas Chromatographs 
User Manual (P/N 3-9000-522) for instructions on selecting 
streams.
Model 700 Gas Chromatograph System Reference Manual
APRIL 2012 3-9000-521
3 - 59
4. Open the calibration gas bottle valve.
5. At the calibration gas bottle regulator, increase outlet pressure to 
20 psig, ±5%.
6. Close the calibration gas bottle valve.
7. Let both gauges on the calibration gas bottle valve bleed down to