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S or vail®
CentrifugesDrive
System
Circuit28
V ac
<115Vac
^_SWITCHED^L3017/79RCS/39Figure
4-10.
Door
Interlock
Circuit,
RC-5,
Simplified
Schematic
DiagramIf
power
is
lost
when
the
door
is
closed,
the
door
will
remain
in
a
locked
position.
Toopen
the
door
under
emergency
conditions,
the
cabinet
front
panel
must
be
removed,then
the
red
metal
rod
located
above
the
main
circuit
breaker
must
be
pushed
whilesimultaneously
lifting
the
door
handle.On
the
RC-5B,
115
Vac
from
transformer
T201
is
applied
to
bridge
rectifier
CR202.through
door
switch
SW108A,
then
across
contacts
11-1
of
relay
Kl.4-29
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