4 Description of function
17
V-850 / V-855 Operation Manual, Version E
4 .1 .2
Rear connections
1
2
3
4
5
6
7
12
8
11
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 / V-710 or R-210 / R-215
i
Remote control (RC 81)
j
RS 232 connection for Rotavapor (R-200 / R-205 /
R-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 / R-205 or R-210 / R-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.
9 10
