MULTICAL®
403
48
Kamstrup
A/S
∙
Technical
description
∙
5512
‐
1689_B1_GB_03.2017
4.5
Mounting
in
inlet
or
outlet
MULTICAL®
403
is
configured
for
mounting
of
flow
sensor
in
either
inlet
or
outlet.
In
the
display
the
flow
sensor
position
is
indicated
by
a
symbol,
subjacently
the
A
‐
code
of
the
program
number
is
selected
as
3
or
4
for
flow
sensor
mounting
in
inlet
and
outlet
respectively.
The
table
below
indicates
installation
conditions
of
heat
meters
and
cooling
meters:
Formula
k
‐
factor
A
‐
code
and
display
Hot
pipe
Cold
pipe
Installation
Heat
meter
E1=V1(t1
‐
t2)k
k
‐
factor
for
t1
and
V1
in
inlet
A
‐
code
=
3
Display
V1
and
t1
t2
k
‐
factor
for
t2
and
V1
in
outlet
A
‐
code
=
4
Display
t1
V1
and
t2
Cooling
meter
E3=V1(t2
‐
t1)k
k
‐
factor
for
t1
and
V1
in
inlet
A
‐
code
=
3
Display
t2
V1
and
t1
k
‐
factor
for
t2
and
V1
in
outlet
A
‐
code
=
4
Display
V1
and
t2
t1
4.6
EMC
conditions
MULTICAL®
403
has
been
designed
and
CE
‐
marked
according
to
EN
1434
Class
A
(corresponding
to
Electromagnetic
environment:
Class
E1
of
the
Measuring
Instruments
Directive)
and
can
thus
be
installed
in
both
domestic
and
industrial
environments.
All
control
cables
must
be
drawn
separately
and
not
parallel
to
e.g.
power
cables
or
other
cables
with
the
risk
of
inducing
electromagnetic
interference.
There
must
be
a
distance
of
min.
25
cm
between
signal
cables
and
other
installations.
4.7
Climatic
conditions
MULTICAL®
403
is
designed
for
indoor
installation
in
non
‐
condensing
environments
with
ambient
temperatures
from
5…55
C,
however
max.
30
C
in
order
to
obtain
optimal
battery
lifetime.
Protection
class
IP54
of
calculator
allows
splashes
of
water,
but
the
calculator
must
not
be
submerged.
The
protection
class
of
the
flow
sensor
is
IP68,
which
means
that
it
stands
submergence.