16
Rotavapor
R-220 EX
4 Putting into Operation
4.9 Installation of the Descending Glass As-
sembly with a 2
nd
Cooler
Es dürfen nur einwandfreie Glaswaren eingesetzt werden,
die keine Risse, Sterne oder sonstigen Beschädigungen
aufweisen. Die Glaswaren sind vor der Installation visuell zu
kontrollieren.
• Fix the descending distributor head
in position on the
gear head using a DN70 EasyClamp connection.
• Place the expansion vessel
on the distribution head and
fix it in position with a DN40 EasyClamp connection.
• Introduce the cooler
, together with the cooler holder
, into the pivoting clamp
.
• Connect the cooler and the expansion vessel with the
U-tube
and fix them in position with two DN40 Easy-
Clamp connections.
• Insert the second cooler
, together with the cooler
hold er
, into the pivoting clamp
.
• Join the two coolers with the Y-connection
and fix them
in position with two DN40 EasyClamp connections.
• Align the coolers (
and
) and the expansion vessel
in their vertical positions and fix them in place with
pivoting clamps (
and
).
• Screw the cooling water hose nipples
onto coolers
and
.
• Insert the stop cock
, with the PTFE hose mounted on
it, into the distribution head, and secure it with a standard
joint clamp SVL 30
.
• Screw the temperature sensor
into the support
connec tion in the U-tube.
• Check all EasyClamp connections and tighten them
evenly and in parallel.
→
The installation of the receiving fixture is described on
Page 15.
Fig. 4.8: Downgrade glass assembly with two coolers
