CAUTION:
If
using
a
pipe
wrench
do
not
allow
the
wrench
jaws
to
contact
the
spring
cap.
Wrench
forces
may
damage
the
cap
and
prevent
the
switch
from
operating
properly.
NOTE:
THE
SPRING
CAP
MUST
ALWAYS
BE
IN
THE
VERTICAL
POSITION
AS
SHOWN
IN
FIGURE
5
FOR
THE
SWITCH
TO
OPERATE
PROPERLY.
4.0
ELECTRICAL
CONNECTIONS
CAUTION:
REMOVE
AND
LOCK
OUT
ALL
ELECTRICAL
POWER
BEFORE
WORKING
ON
ELECTRICAL
SWITCH
LEADS.
4.1.1
CAUTION:
Be
sure
to
follow
all
applicable
electrical
codes
and
regulations
when
installing
electrical
connections
or
conduit
to
the
switch.
4.1.2
When
connecting
or
removing
conduit
connections
to
the
switch
assembly
½"
NPT
thread,
use
a
7/8"
open
‐
end
wrench
or
and
adjustable
wrench
on
the
hex
portion
of
the
witch
assembly
to
provide
a
proper
back
‐
up.
This
will
prevent
damage
to
the
connection
thread
between
the
electric
switch
assembly
and
the
level
switch
body.
4.1.3
The
electric
switch
leads
are
labeled
and
color
coded
for
the
type
of
switch
contact.
Connection
of
these
leads
for
the
desired
switch
operating
function
is
shown
on
Table
#1.
SPDT
SWITCH
LOW
OPERATION
COLOR
LEVEL
CONTACT
FUNCTION
BLUE
N.O.
CLOSES
ON
RISING
LEVEL
BROWN
C
COMMON
CONTACT
RED
N.C.
OPENS
ON
RISING
LEVEL
HIGH
OPERATION
COLOR
LEVEL
CONTACT
FUNCTION
BLUE
N.O.
CLOSES
ON
FALLING
LEVEL
BROWN
C
COMMON
CONTACT
RED
N.C.
OPENS
ON
FALLING
LEVEL
DPDT
SWITCH
LOW
OPERATION
COLOR
LEVEL
CONTACT
FUNCTION
BLUE
N.O.
CLOSES
ON
RISING
LEVEL
BROWN
C
SW.
1
COMMON
CONTACT
RED
N.C.
OPENS
ON
RISING
LEVEL
PURPLE
N.O.2
CLOSES
ON
RISING
LEVEL
YELLOW
C.2
SW.
2
COMMON
CONTACT
BLACK
N.C.2
OPENS
ON
RISING
LEVEL
HIGH
OPERATION
COLOR
LEVEL
CONTACT
FUNCTION
