Buchi Rotavapo R-220 SE Manual do Utilizador descarregar pdf (Página 39)

5 Putting into operation

39 R-220 SE Operation Manual, Version F

Adjustment instructions

• Make sure the foam sensor is installed correctly. Remove the white plastic screw a to get access

to the sensor adjustment screw.

• Allow sufﬁcient foam formation.

• As soon as the foam touches the sensor housing, the LED at the sensor must switch active,

causing the aeration valve to open for an instant. The valve makes a noticable *click* sound!

➥If the sensor does not detect the foam use a small ﬂat head screw driver to adjust the sensitivity

of the sensor.

➡ Check, if the LED switches off as soon as the foam collapses. If not, slightly decrease the

sensitivity and start a new adjustment cycle.

NOTE

The foam sensor can only be used at decending glassware setups!

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Buchi Rotavapo R-220 SE Manual do Utilizador Página 39