
TDP021
d+e.doc
Rev.
29.10.2013
Seite
/
Page
19
/
20
Perrot
REGNERBAU
CALW
GmbH
Industriestrasse
19
‐
29
/
D
‐
75382
Althengstett
/
Germany
Phone:
+49
‐
7051
‐
162
‐
0
/
Fax
:
+49
‐
7051
‐
162–133
E
‐
/
E
‐
Technical
Department:
LVZR
22
‐
3
VDE
(Decoder)
Check
that
the
solenoid
clicks
Check
the
function
of
the
decoder
at
the
diode.
1
x
flash
in
4sec
=
Decoder
is
supplied
with
current.
2
x
flash
in
4sec
=
Decoder
has
been
triggered
by
its
code.
Attraction
voltage
28V
‐
holding
voltage
8
‐
14V
(red
and
blue
wire).
no
flash
=
Decoder
connection
interrupted.
Exchange
solenoid
[19]
only
when
there
is
no
pressure
in
the
line.
Engage
valve
and
check
at
the
relief
exit
for
a
brief
water
splash
to
come
out.
Flush
the
hydraulic
system
leading
to
the
solenoid.
Unscrew
the
solenoid
adapter
[18]
and
the
filter
[17]
whilst
there
is
no
pressure
in
the
line.
For
the
cleaning
procedure
apply
pressure
to
the
scheme.
Make
use
of
the
flushing
insert
[32]
for
this
operation.
7.3.2
How
to
check
sprinklers,
which
doesn’t
close
LVZR
22
‐
3V
Control
line
has
not
been
ventilated
completely.
Foreign
particles
are
blocking
the
valve
There
is
a
leak
in
the
hydraulic
system.
The
retaining
ring
[9]
on
top
of
the
valve
is
not
fitted
correctly
and
the
valve
has
been
pushed
out
of
its
seat
by
the
operating
pressure.
Check
the
outlet
of
the
solenoid
valve
for
correct
functioning.
To
implement
this,
disconnect
the
control
line.
The
valve
at
the
controller
is
normally
open
(without
current).
LVZR
22
‐
3VDC/AC/DE
There
is
a
leak
in
the
hydraulic
system
of
the
sprinkler.
E.g.
water
is
leaking
from
the
manual
control
or
the
relief
exit
underneath
the
solenoid
when
the
system
is
not
engaged.
Foreign
particles
are
blocking
the
valve
The
retaining
ring
[9]
on
top
of
the
valve
is
not
fitted
correctly
and
the
valve
has
been
pushed
out
of
its
seat
by
the
operating
pressure.
Subject
to
change
without
prior
notice.