10
of
18
LC900007
Rev
A2
ELECTRICAL
(continued)
Step
Five
VAC
Power
Input
Wiring:
Observe
the
POWER
SUPPLY
label
on
the
LC52
series.
The
label
identifies
the
power
requirement
(120
or
240
VAC)
and
the
terminal
wiring.
Note:
Polarity
does
not
matter
with
the
AC
input
terminal.
Changing
from
120
to
240
VAC:
The
LC52
‐
1001
is
shipped
from
the
factory
configured
as
a
120
VAC
powered
device.
To
switch
to
240
VAC,
follow
the
instructions
below.
1.
Remove
the
back
panel
of
the
controller
and
gently
slide
the
printed
circuit
board
(PCB)
from
the
housing.
Use
caution
when
removing
the
PCB.
2.
Locate
jumpers
JW1,
JW2
and
JW3
on
the
PCB.
3.
To
change
from
120
VAC
to
240
VAC:
a.
Remove
the
jumpers
from
JW1
&
JW2
and
add
a
jumper
to
JW3.
4.
To
change
from
240
VAC
to
120
VAC:
a.
Remove
the
jumper
from
JW3
and
add
jumpers
to
JW1
&
JW2.
5.
Gently
return
PCB
into
housing
and
replace
back
panel.
120
VAC
Jumper
Setting
240
VAC
Jumper
Setting
Relay
Input
Wiring:
The
relay
is
a
single
pole,
double
throw
type
rated at
250
Volts
AC,
12
Amps,
½
Hp.
The
two
terminal
NO
and
NC
(normally
open
and
normally
closed)
will
be
used
in
different
applications.
Remember
that
the
"normal"
state
is
when
the
relay
coil
is
de
‐
energized
and
the
Red
relay
LED
is
Off
/
de
‐
energized.