Ita
lia
no
IT
Ita
lia
no
IT
Ita
lia
no
IT
L
N
L
N
L
N
L
N
1
2
Pa
g.
99
-
Ma
n
u
al
c
od
e:
11
9
G
9
1
4
1
11
9
G
9
1
4
1
ve
r.
33
0
2
/2
0
15
© U
R
B
A
C
O
S
.A
. -
Th
e d
ata a
n
d i
nf
or
m
ati
on r
ep
orte
d i
n th
is
in
sta
lla
tio
n m
an
u
al
a
re s
u
sc
ep
tib
le to c
h
an
g
e at a
ny ti
m
e a
n
d w
ith
ou
t o
b
lig
ati
on
o
n
URB
A
C
O
S
.A.
to n
otify u
se
rs.
E
n
glish
EN
Compressor surveillance
N.C. STOP button
Step by step
Endstop - closing
Endstop - opening
SMA N.C. contact
Closing button
5.3 Release/discharge the system from/inside the centre
To discharge air from the system and consequently move down the bollards, you can open the tap nearby the pressure switch (we
recommend you to do it when the compressor is shut down, in order to avoid that it starts automatically to compensate the pres-
sure fall).To put the system into operation again, close the air discharge as shown in fig. 2 (and turn on the compressor, if you had
shut it down).
Purge opening
Purge closing
Air supply tap to the bollards
