Fuel
Dispensers
TATSUNO
EUROPE
‐
Installation
and
User
Manual
,
revision
10,
January
2022
149
NOTICE
The
switch
from
the
automatic
to
manual
mode
must
be
discussed
with
the
service
engineer
in
advance!
5.3.9.
AIR
SEPARATION
SENSOR
(VRS1.G
&
ZE
‐
2063)
According
to
type
certificate
TCM
141/07
‐
4491,
all
TATSUNO
pumps
for
diesel
and
biodiesel
must
be
equipped
with
air
separation
sensor.
The
VRS1.G
flow
sensor
is
mounted
on
the
air
separator
of
the
TATSUNO
FP
‐
1001
pumping
monoblock,
the
ZE
‐
2063
flow
sensor
is
a
part
of
the
TATSUNO
FP
‐
1022
monoblock.
If
the
volume
of
separated
air
is
higher
than
the
volume
that
the
pump
monoblock
is
able
to
safely
separate,
then
the
air
flow
sensor
and
subsequently
the
corresponding
input
(BL1…
BL4)
on
the
counter
processor
unit
are
activated.
The
counter
interrupts
delivery
(pumping)
and
error
E51
appears
on
the
display.
Picture
84
‐
Pumping
monoblock
FP
‐
1001
with
air
flow
sensor
VRS1.G
Picture
85
–
Pumping
monoblock
FP
‐
1022
(MVP
‐
X)
with
air
flow
sensor
ZE
‐
2063
The
procedure
of
dispenser
locking
and
declaring
an
error
is
as
follows:
A
critical
amount
of
air
is
sucked
into
the
pump
monoblock
(e.g.,
if
the
suction
line
is
broken).
The
VRS1.G
sensor
is
activated
and
the
BL
input
goes
to
the
active
state,
then
for
a
test
time
of
1
to
50
seconds
(standard
10
sec.)
the
counter
performs
the
first
test
cycle,
i.e.,
closes
the
valve
as
when
pumping
to
the
preselected
volume
(flow
approx.
2
to
5
L
/
min)
and
monitors
the
status
of
the
BL
input
when
the
pump
motor
is
running.
If
the
BL
input
goes
to
the
inactive
state
during
the
T
test
time,
then
the
valve
opens
fully
and
pumping
continues.
If
the
sensor
status
does
not
change
during
the
T
test
time
and
remains
active,
then
the
pumping
is
stopped
and
error
message
code
E51
is
displayed.
The
number
of
"successful"
cycles,
i.e.,
cycles
where
no
error
E51
occurs,
is
limited
to
3
by
default
during
one
filling.
After
exceeding
the
maximum
number
of
test
cycles,
the
pump
is
terminated
and
error
message
code
E52
occurs.
NOTICE
In
the
case
of
errors
E51/E52,
it
is
necessary
to
check
the
tightness
of
the
supply
line,
the
tightness
of
the
suction
line
in
the
tank
and
the
fuel
level
in
the
tank.
5.3.10.
PRESET
KEYPAD
TATSUNO
EUROPE
dispensers
may
be
equipped
with
a
so
‐
called
preselection
keypad
enabling
preset
the
delivered
amount
or
quantity
(volume
or
weight)
by
the
customer
directly
on
the
dispenser.
The
customer
may
decide
before
he/she
starts
the
delivery
what
volume
or
for
what
sum
of
money
he/she
wants
to
refill
the
Содержание OCEAN TOWER Series
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