Buchi Rotavapo R-250 Manual de usuario descargar pdf (Pagina 21)

Rotavapor R-250

4.15 Heating Medium

Never operate the heating bath when there is no heating

medium in it!

Suitable heating media include:

s 7ATERSOME"ORAXSHOULDBEADDEDWHENUSINGDEIO-

nized water).

s (EATTRANSFEROILSSUITABLEFORUSEATTEMPERATURESUPTO

160° C (e.g., Ucon HTF 14, Fluka AG).

s 7ATERSOLUBLEPOLYETHYLENEGLYCOL

(e.g., Polyethylene glycol 600, Fluka AG).

After the oil bath has been standing opened for a prolonged

period, condensation water can collect on the bottom. When

the bath is used again, it must be heated above 100°C with

rotating ﬂask in order to drive the water out.

4.16 Checking the Installation

After installation has been completed and before running the

ﬁrst distillation, check to make sure that the installation has

been carried out correctly.

s )NSPECTTHEGLASSFORPOSSIBLEDAMAGE

s #HECK THAT ALL CONNECTIONS COOLING MEDIUM VACUUM

have been ﬁxed properly in position.

s #HECKTHATTHEmASKISSECURELYMOUNTEDANDCANNOTBE

moved at the snap ﬂange coupling.

s #HECKFORLEAKSINTHEVACUUMSYSTEMSEE#HAPTER

Maintenance).

s 7HENTHEUNITISSWITCHEDONTHEVERSIONOFTHESOFTWARE

is displayed and a visual check is made to ensure that all

controls that illuminate are in proper working order.

4 Putting into Operation

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Buchi Rotavapo R-250 Manual de usuario Pagina 21