VTK
‐
VS
‐
BA
‐
004e
‐
B
|
User
Manual
MDS
3200A
|
Initial Operation
29
5.3.2
Installation
of
the
MDV
3200A
Valve
Preferably
mount
the
valve
on
an
automatic
XYZ
table
or
in
a
similar
device
(XYZ
positioning
system)
.
Stable
seat
at
the
fixture
of
Z
axis
is
imperative,
as
the
valve
should
not
become
loose
during
the
dis
‐
pensing
process.
For
this
purpose,
two
M4
hex
screws
have
to
be
in
‐
serted
to
a
depth
of
4
mm,
through
the
borings
located
at
the
nar
‐
row
side
of
the
valve.
Their
distance
to
the
center
amounts
to
45
mm.
To
improve
accuracy
when
positioning
the
valve
on
a
recepta
‐
cle,
additionally
use
the
alignment
boring
and
the
long
hole,
located
on
the
narrow
side
of
the
valve
as
well.
IMPORTANT!
(Corrosion)
In
order
to
prevent
corrosion,
all
parts
used
in
connection
with
the
valve
(screws,
fix
‐
ing
plates
etc.)
should
consist
of
stainless
steel,
nonferrous
metals
or
galvanized
steel.
5.3.3
Connection
of
air
‐
cooling
for
MDV
3200A
‐
AC
models
As
soon
as
the
installation
of
the
valve
is
complete,
connections
for
air
‐
cooling
have
to
be
attached
(with
hose
diameters
of
3
and/or
6
mm,
ac
‐
cording
to
the
particular
model)
.
One
end
of
the
hose
has
to
be
inserted
to
the
air
inlet
of
the
valve
(1),
(the
retaining
sleeve
automatically
latches)
;
the
other
one
is
connected
to
the
air
supply
.
The
second
connector
(2),
illustrated
above,
represents
the
outlet,
evacuating
the
heated
compressed
air
from
the
valve.
When
running
the
hose
to
the
air
supply,
take
care
not
to
impair
functions
of
the
system,
or
to
disturb
operators
during
their
work.
IMPORTANT
NOTE!
(quality
of
compressed
air)
Quality
of
compressed
air
should
comply
with
DIN
ISO
8573
‐
1.
The
pneumatic
supply
used
for
cooling
of
the
MDV
3200A
‐
AC
should
be
free
of
fine
dust
and
condensate,
and
correspond
to
classes
1,
3,
2
according
to
DIN/ISO
8573
‐
1.
Solid
particles:
0,1µm
max.,
admissible
concentration
0,1
mg/m³
=
Quality
class
1
Water
content:
max.
pressure
dewpoint
‐
20°C,
admissible
density:
0,88
g/m³
=
Quality
class
3
Residual
oil:
0,1
mg/m³
max.
=
Quality
class
2
5.3.4
Wiring
of
the
MDS
3200A
The
valve
MDV
3200A
is
connected
to
the
control
unit
MDC
3200A
by
means
of
a
four
‐
pin
actuator
(red)
and
5
pin
sensor
plug
(yellow)
.
The
plugs
are
protected
by
coding
against
in
‐
terchanging
by
mistake.
DANGER!
(switch
off
before
removing
plug)
Never
attempt
to
attach
or
remove
one
of
these
plugs,
when
the
system
is
connected
to
mains.
For
this
reason,
before
separating
the
valve
from
the
control
unit,
the
whole
system
has
to
be
switched
OFF
and
to
be
disconnected
from
power
supply.
CAUTION!
(Plan
your
cable
connections
carefully)
Make
sure
to
plan
your
cable
run
carefully,
when
considering
the
wiring,
especially
if
the
valve
is
included
into
a
more
complex
system.
Your
cables
cannot
hang
too
loose,
since
then
they
might
start
to
swing
and
get
damaged,
because
of
the
vibrations
of
the
valve.
On
the
other
hand
you
might
need
enough
length
in
your
cables,
if
the
holder
is
moved
in
the
z
‐
axis.
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