Buchi Rotavapo R-220 SE User Manual download pdf (Page 67)

5 Putting into operation

67 R-220 SE Operation Manual, Version F

5.21 Controller upgrade

To upgrade a basic Rotavapor with a controller proceed as follows:

Remove the two thumb nuts and take off the retaining plate.

Replace the dummy controller box with a controller.

Remove the blind plug.

Take the free end of the controller cable out off the housing. Shift in the cable bushing of the

controller cable as replacement for the blind plug.

Install the controller (see previous section for more information).

5.22 Final installation check

After installation has been completed and before performing the ﬁrst distillation make sure the installa-

tion has been carried out correctly:

• Inspect glassware visually for possible damage

• Inspect safe and correct routing of all cables and hoses

• Check that all connections (steam, water, vacuum) have been ﬁxed properly

• Check all supply hoses for tightness

• If applicable: Check overall system vacuum tightness

➥ Switch on the vacuum source

➡ Check if desired vacuum operation level can be reached

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Buchi Rotavapo R-220 SE User Manual Page 67