Door - Du Pont SORVALL RC-5 Service Manual

Drive System
CircuitSon/all®
CentrifugesRelay
Kl is
energized when
the drive
motor speed
is below 100
rpm.
Under such
condi¬tions,
the door switch must
always
be
pressed
to
open
and
close
the
door.At
drive motor speed above
100
rpm.
and in the event of a
power
failure, the door
canonly
be
opened by pressing
the
safety
interlock
release rod
located in the front of
thecentrifuge
beneath the
top deck.
accessible when the front
panel
is
removed.
Drivemotor
speeds
below 100
rpm
are
indicated
by
the DOOR indicator
DS108,
which
isenergized
by
28
Vac from
T201
through contacts
11-1
of
relay
Kl.28
V ac
.(T201)
\115
V ac ^-0
07/79RCS/40Figure
4-11. Door Interlock
Circuit,
RC-5B,Simplified
Schematic
Diagram4-30