IS255
‐
21A
J
&D
Manufacturing
•
Eau
Claire,
WI
54701
•
1
‐
800
‐
998
‐
2398
•
www.jdmfg.com
P a g e
|
18
Overview
of
the
Screen
and
Buttons
The
temperature
is
displayed
on
the
screen
whenever
the
parameters
are
not
being
assessed.
The
figure
below
(
Image
11
)
shows
that
its
60
˚
.
If
a
rain
sensor
is
connected
and
is
sensing
rain,
the
screen
will
blink
P1
for
curtain
#1
or
P2
if
it
is
sensing
rain
for
curtain
#2.
The
screen
will
blink
E
‐
1
thru
E
‐
4
,
if
a
curtain
motor
tripped
the
electronic
overload.
E
‐
1
is
for
1
st
motor;
E
‐
2
is
for
2
nd
motor.
Press
Enter
to
clear.
Why
does
my
temperature
flash
sometimes?
The
screen
will
flash
the
Effective
temperature
when
it’s
activated.
Effective
temperature
is
automatically
activated
when
controller
thinks
it’s
been
extra
hot.
Parameters
There
are
several
parameters
that
you
can
change.
The
parameters
are
labeled
P1
,
P2
….
These
parameters
are
the
curtain’s
temperature
setpoints
and
cycle
time.
Viewing
and
Changing
Parameters
To
view
the
first
parameter,
press
Enter
.
The
screen
now
alternates
between
and
parameter
1
set
point.
To
increase
or
decrease
the
setpoint
press
Up
or
Down
.
Press
enter
to
scroll
to
Parameter
2.
By
pressing
Enter
you
can
scroll
through
the
remaining
parameters.
After
you
have
reached
the
last
parameter,
the
screen
displays
End
and
then
reverts
to
displaying
the
temperature.
Image
11