Buchi Rotavapor R-220, Руководство пользователя

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11
BÜCHI Rotavapor R-220
4 Putting into Operation
4.7 Installation of the Descending Glass Assembly
All glassware used must be intact, with no signs of cracks,
spreading impact marks, or other damage. Inspect the glass-
ware visually before installing it.
• Fix the descending distributor head
햲
in position on the
gear head using a DN70 EasyClamp connection.
• Put the expansion vessel
햳
onto the distribution head
and fix it in position with a DN45 EasyClamp connection.
• Introduce the cooler
햴
, together with the cooler holder
햵
, into the pivoting clamp
햶
and connect it to the distribu-
tion head (DN45 EasyClamp connection).
• Connect to the cooler and the expansion vessel using the
U-tube
햷
and fix in position with two DN45 EasyClamp
connections.
• Align the cooler
햴
and the expansion vessel
햳
in their
vertical positions and fix them in place with a pivoting clamp
햶
.
• Screw the cooling water hose nipples
햸
onto the cooler
햴
.
• Insert the stop cock
햹
, with the PTFE hose mounted on
it, into the distribution head, and secure it with a standard
joint clamp
햺
.
• Fasten the vacuum connector
햻
to the Y-connection
햽
with a DN45 EasyClamp connection and fix the unit in
place on the lower end of the cooler with a DN45
EasyClamp.
• Screw the temperature sensor
햾
into the support connec-
tion in the U-tube
햷
.
• Check all EasyClamp connections and tighten them evenly
and in parallel.
→
The installation of the receiving fixture is described on Page
13.
Fig. 7: Downgrade glass assembly
햸
햴
햷
햸
햻
햽
햺 햹
햲
햳
햶
햷
햾