12
Rotavapor
R-220 EX
4 Putting into Operation
Fig. 4.3: Support Rod
4.3 Connecting to the Source of Energy
The rotary evaporator may only be connected to the elec-
trical supply by the trained person who has been assigned
responsibility for this task. EN 50014 stipulates that, apart
from the main cable being earthed, an equipotential bonding
conductor must be connected in addition. This connection is
on the back of the device approximately half way up.
The cooling medium must not exceed the maximum opera-
ting pressure of 2.7 bar abs. (shock-free).
Compressed air inlet
Fine regulation – cooling material inlet
Fine regulation – cooling material outlet
Mains cable
Vacuum valve
Vapor temperature sensor
Sound absorber
4.4 Setting up the Support Rod
• Place the support rod
into the holder provided for it
and lower it into the foot hole at the back. Fix it tight using
the locking screw
.
• Put the positioning ring over the rod, 150 mm below the
upper edge.
• Lay the pivoting clamp
on top of the positioning
ring.
• Attach the pivoting clamp
for the receiving flask 200
mm above the bottom edge of the rod.
When installing an interchangeable receiver:
• Place the short support rod into the holder at the front
and lower it into the foot hole. Screw it tight using the
locking screw
.
• Attach the pivoting clamp
approx. 200 mm above the
lower edge of the rod.
Fig. 4.2: Rear view
