Agilent Technologies 8860 User Manual page 73

Selector
MPV
Multi-Position Valve
1
On/Off Valve n/Off Va V V l
Figure 22 Purge mode (maintenance) for cylinder version.
Agilent Gas Sample Selector for 8860 and 8890 User Manual
Purge Valve
Needle Valve 1
Needle Valve 2
Maintenance and Troubleshooting
Sample Loop
Carrier Gas
Selector GC
Purge N
2
Sample Gas
Purge Gas
Carrier Gas
Purge mode
GC Valve 1
To Column
4
5 3
6 2
1
Sample In
• GC Valve 1 – OFF
• Sample Valve – OFF
• Purge Valve – ON
5
OUT
73