Thermo Scientific Vanquish VH-P10-A-02, Operating Manual

Page: 69 / 238

5 • Installation
Vanquish Pumps (VH-P10-A-02) Operating Manual Page 69
Figure 19: Solvent line with shut off valve installed
10. Check the solvent lines across the entire flow path. Make sure that
the lines are not bent, pinched, or squeezed at any point in the flow
path.
5.6.6 Setting Up the Seal Wash System
The flow path of the seal wash system passes through the metering
device head in the autosampler and the pump heads in the pump. The
seal wash system comprises the following parts:
• In the pump: Seal wash pump (peristaltic pump), seal wash lines,
and seal wash detector (drop detector)
•
In the autosampler: Seal wash lines
•
Reservoir for the seal wash liquid
Both, the autosampler and pump are shipped with the seal wash
components installed and the lines connected within each of the two
modules.
To complete the setup, interconnect the seal wash paths of the
modules, connect and fill the seal wash reservoir, and flush the seal
wash system. To complete the setup, follow the steps in
section 5.6.6.2,
page 70 .
5.6.6.1
Choosing the Seal Wash Liquid
Use 75% isopropanol in water and 0.1% formic acid (HPLC-grade;
preparation by volume, for example,
75 mL isopr 25 mL water +
0.1 mL formic acid
).
No. Description
1 Shut off valve
2 Retaining guide