BUCHI Rotavapo R-220 SE - Manual (Page 30)

4 Description of function
30 R-220 SE Operation Manual, Version F
4 .5 Connection field at the rear-side
a b
d
f
g
h
i
j
k
l
m
n
c
e
VAPOR TEMP. CW TEMP.
LEVEL 2 LEVEL 1
CW FLOW RESERVE
INPUT
RS-485
RS-485
AERATE CW VALVE
VACUUM VALVE
F1 F2 F3 F4
12A 12A 12A 12A
FOAM DET. ALARM OUT
USB
220- 240 V AC
MAX. 2A
AC IN
(Type plate)
e
m
Position Drawing Description
a
Vapor temperature sensor, measures the entry temperature of
the vapor before the condenser.
b
Cooling water temperature sensor. Must be looped-in between
cooling water source outlet and cooler/cooler assembly of the
Rotavapor.
c
See master drawing for appearance
and mounting position.
Aerate valve (parallel to controller aeration valve)