Thermo Scientific Accela Open Autosampler Hardware Manual page 66

2
Installing the Accela Open Autosampler
Accela Open Autosampler Object Positions
Injection Valve Reference Points
Defining the Valve Penetration Value
48 Accela Open Autosampler Hardware Manual
For an LC Valve the reference position is the valve needle guide fitting mounted on the top
valve port (Figure 43).
Figure 43. LC Valve reference point
The lower needle guide of the injection unit is centered in the valve needle guide fitting.
Adjust the z position so that the bottom of the lower needle guide just touches the surface of
the valve needle guide fitting. Then reduce the value by 2.0 mm. See
Figure 44. Positioning z-axis needle guide on valve needle guide
Before performing the following steps, make sure object positions X, Y, and Z for LC Vlv1 are
properly defined and the complete DLW syringe assembly is inserted into the injection unit.
 To define the valve needle penetration depth
1. On the handheld controller select this sequence:
Menu > Setup > Objects > Injectors > LC Vlv1
2. Press F1, Check Pos. The injection unit moves to the previously defined LC
Vlv1position.
3. Select the item Needle Penetr with the cursor bars by pressing ENTER.
Figure 44.
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