Buchi Vacuum Controller V-855 Manual do Utilizador descarregar pdf (Página 17)

4 Description of function

17 V-850/855 Operation Manual, Version E

4.1.2 Rear connections

a Connection for AutoDest probe/switch box (AS/SB)

b Connection for cooling water valve (CW)

c Connection for valve unit or vacuum valve (VALVE)

d Power supply connection for stand alone mode

30 VDC

e Mains switch On/Off

f USB for data output/ﬁrmware update

g Fixation for support rod

h RS 485 connection to V-700/710 or R-210/215

i Remote control (RC 81)

j RS 232 connection for Rotavapor (R-200/205/250)

k Aeration valve with inert gas connection

l Vacuum connection to valve unit/Woulff bottle

4.2 Controller operation modes

When using a Rotavapor R-200/205 or R-210/215 seven different modes are available for the vacuum

controller:

• Manual mode

• Timer mode

• AutoDest mode (V-855 only)

• EasyVac mode (V-855 only)

• Gradient mode (V-855 only)

• Repeat mode (V-855 only)

• LabVac mode

When using a Rotavapor R-220 SE or R-250 four different modes are available for the vacuum

controller:

• Manual mode

• Timer mode

• Gradient mode (V-855 only)

• Repeat mode (V-855 only)

All modes are described in the following.

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Buchi Vacuum Controller V-855 Manual do Utilizador Página 17