Nucleus
Digitally
Controlled
Mixing
Valve
User
Interface
The
Nucleus
Digitally
Controlled
Mixing
Valve
consists
of
an
electronics
box
that
is
simplistic
in
design
and
has
a
user
interface
that
is
intuitive.
The
Overlay
pictured
above
is
a
graphical
representation
of
a
typical
plumbing
system
where
a
Digital
Thermostatic
Mixing
Valve
provides
mixed
hot
water
to
the
plumbing
system.
At
key
locations
on
the
diagram,
there
are
6
LED
indicators
that
provide
system
status
either
“within
range”
(Green)
or
“out
of
range”
(Red)
and
they
are
as
follows:
Inlet Hot Water Pressure (P1), Inlet Hot Water Temperature (T1), Inlet Cold Water Pressure
(P2), Inlet Cold Water temperature (T2), Mixed Water Temperature Sensor (T3), and Return
Water Temperature Sensor (T4).
Above
the
Overlay
is
a
2
Line,
16
character
LED
digital
display
screen,
which
serves
as
the
User
Interface
by
utilizing
a
simple
3
‐
button
keypad
interface:
▲
,
▼
and
ENTER
On
Initial
Power
up,
the
valve
will
go
through
a
full
sweep
function,
which
moves
the
motor
its
full
travel,
end
‐
to
‐
end
of
hot
and
cold
ports
of
the
valve
body.
This
process
assigns
a
numerical
value
to
the
distance
travelled
by
the
motor,
in
steps,
that
will
be
used
in
future
comparisons
to
indicate
if
there
is
a
potential
maintenance
problem
or
internal
mechanical
issue
with
the
components
of
the
valve.
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