5 Putting into operation
35
R-220 Pro Continuous Operation Manual, Version A
5 4 1
Cooling water flow sensor
The switching threshold of the flow sensor can be adjusted by shifting the sensor element up and
down
CW Flow
a
c
b
Adjustment instructions
X
Make sure the flow sensor is installed in an upright position! Loosen the locking screw a
X
Switch on the Rotavapor® and shift the sensor far downwards The display must not show a
flow sensor error in this position
X
Subsequently shift the sensor upwards until it generates a flow sensor error on the display (E12,
"FLOW") To avoid unintentional switching, lift the sensor 2-3 more millimeters and tighten the
locking screw to fix the sensor position
X
Turn on the cooling water The error should now disappear
