Turning The Degasser On And Off - Dionex UltiMate 3000 Series Operating Instructions Manual

5.5.11.2 Turning the Degasser on and off

You can turn the vacuum degasser in an LPG-3400 or in an SRD-3x00 Solvent Rack
( page 19) that is connected to the pump on and off from either the pump display or
Chromeleon.
To turn the degasser on and off from the pump display
Select the Preferences menu and set Degasser to On or Off.
To turn the degasser on and off from Chromeleon
1. In the Server Configuration program, open the Properties dialog for the pump
( page 42).
2. On the Devices page, verify that the Degasser Control setting is correct, that is,
Internal for LPG-3400 or External if an SRD-3x00 Solvent Rack is connected to the
pump ( page 36).
3. Open the Commands dialog box for the pump and set Degasser to On or Off.
—or—
Open the Panel Tabset for the pump ( page 67) and click More Options. Under
Degasser, set Mode to On or Off.
When the degasser is operated in Chromeleon, monitoring of the degasser vacuum and
leak detection is performed from the pump. The related commands and properties are
available in the Commands dialog box for the pump:
Chromeleon Property
DegasserVacuum
SolventRackLeak
Tips for operating the degasser

Dionex recommends always leaving the degasser on while the pump is on.

Turning off the pump to which an SRD-3x00 Solvent Rack is connected also turns off the
solvent rack. The same applies to Standby mode.
Operating Instructions
Description
Reports whether the degasser has reached the operating vacuum.
Reports whether the leak sensor in the SRD detected a leak.
UltiMate 3000 Series:
SD, RS, and BM Pumps
Page 89