Sweep Mode - Agilent Technologies 8860 User Manual

5 Maintenance and Troubleshooting

Sweep mode

Sweep mode
This mode performs a deep purge of the entire pipeline. Before starting this mode,
remove all sample gas bags or sample cylinders. The purge gas flows through the
entire system, and sequentially out through each sample input port.
Selector
MPV
Multi-Position Valve
1
On/Off Valve n/Off Va V V lv
Figure 23 Sweep mode (maintenance) for bag version.
74
Purge Valve
Needle Valve 1
Needle Valve 2
Pump
Assembly
Agilent Gas Sample Selector for 8860 and 8890 User Manual
Sample Loop
Carrier Gas
Selector GC
Purge N
2
GC Selector
Vent
Sample Gas
Purge Gas
Carrier Gas
GC Valve 1
To Column
4
5 3
6 2
1
Sample In
• GC Valve 1 – OFF
• Sample Valve – ON
• Purge Valve – ON
• Pump – OFF
OUT