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AVENTICS | EV12/EV18 | R414011404–BAL–001–AA | English
11 Disposal
O Comply with national regulations regarding disposal.
12 Troubleshooting
Table 13 contains an overview of malfunctions, possible causes, and remedies.
If you cannot remedy a malfunction, please contact AVENTICS GmbH. The
address is printed on the back cover of these instructions.
Table 13:
Table of malfunctions
Malfunction
Possible cause
No output pressure
No power supply
present
No set point stipulated
No operating pressure
Output pressure too low
Operating pressure too low
(less than the set point)
A consumer with a high air
consumption is located in
the EV1X operating line and
results in a large pressure
drop in the device.
Operating pressure less
than 1 bar above the
maximum output pressure
to be controlled.
Air is audibly escaping
Seal is missing or damaged Check the seals and re-
Pressure regulator is not
leaktight
Pressure regulator
Device with current input is
emits short pressure
operated with voltage set
pulses
point
Outlet pressure jumps
Set point too high
to the level of the oper-
(> 20 mA or > 10 V)
ating pressure
Output pressure too
Dynamic pressure in ex-
high
haust
DIAG LED illuminated
Parameter error
red
Safety cut-off active
13 Technical Data
Table 14:
General data
General data
Dimensions
EV12: 63 mm x 160 mm x 138.5 mm
(width x height x depth)
EV18: 85 mm x 180 mm x 167 mm
Weight
EV12: 1.4 kg
EV18: 2.15 kg
Operating temperature
0°C to 50°C
range
Storage temperature
-25°C to 80°C
range
Ambient operating condi-
Max. height above sea level: 2000 m
tions
Version
Externally piloted pressure regulator
Permissible medium
Compressed air
Pneumatic connections
EV12: G1/2 and G3/8
EV18: G1 and G3/4
Max. particle size
50 μm
Oil content of compressed
0-5 mg/m
air
Remedy
Connect the power sup-
ply.
Check the polarity of the
power supply.
Switch on system com-
ponent.
Stipulate a set point.
Connect the operating
pressure.
Increase the operating
pressure.
Reduce air consumption.
Adjust the operating
pressure to at least 1 bar
above the maximum
output pressure to be
controlled.
place, if necessary.
Exchange the pressure
regulator
Stipulate the correct type
of set point
Stipulate the correct set
point
Check the exhaust line
Stipulate valid parame-
terization
Exchange device since a
pressure sensor is defec-
tive.
3
Table 14:
General data
General data
The pressure dew point must be at least 15°C below the ambient and medium
temperatures and must not exceed 3°C.
The oil content of compressed air must remain constant during the life cycle.
O Use only the approved oils from AVENTICS, see the AVENTICS online catalog,
chapter "Technical information".
Mounting orientation
Any if used with dry and oil-free compressed air
Protection class according
IP65 (only when assembled and with all plugs
to EN 60529/IEC60529
connected)
Relative humidity
95%, non condensing
Degree of contamination
2
Use
Only in closed rooms
Table 15:
Pneumatic data EV12 pressure regulator
Pneumatics
Flow rate values of the EV12 pressure regulator
Supply
Set pressure
pressure [bar]
[bar]
11
10
11
10
7
6
7
6
Flow characteristic curves of EV12 pressure regulators type L and type R
P
= supply pressure (= output pressure + 1 bar)
v
[psi]
[bar]
145
10
130,5
9
116
8
101,5
7
87
6
72,5
5
P = 5 bar
v
58
4
43,5
3
P = 3 bar
v
29
2
14,5
1
0
0
0
1000
2000
Flow characteristic curves of EV12 pressure regulators type C
P
= supply pressure (= output pressure + 1 bar)
v
[psi]
[bar]
145
10
130,5
9
116
8
101,5
7
87
6
72,5
5
58
4
43,5
3
P = 3 bar
v
29
2
14,5
1
0
0
0
1000
2000
Table 16:
Pneumatic data EV18 pressure regulator
Pneumatics
Flow rate values of the EV18 pressure regulator
Supply pressure
Set pressure [bar]
[bar]
10
8
10
6
10
4
Flow characteristic curve of EV18 pressure regulator
P
v
[psi]
[bar]
145
10
130,5
9
116
8
101,5
7
87
6
72,5
5
58
4
43,5
3
29
2
14,5
1
0
0
0
3000
6000
Output
Q [l/min]
pressure [bar]
Type L/R
9.8
3500
9.0
4600
5.8
2800
5.0
3700
P = 11 bar
v
P = 9 bar
v
P = 7 bar
v
3000
4000
5000
6000
P = 11 bar
v
P = 9 bar
v
P = 7 bar
v
P = 5 bar
v
3000
4000
5000
6000
Output pressure
[bar]
8.8
5.8
3.8
= supply pressure = 10 bar
9000
12000
15000
18000
[Nl/min]
21
Type C
3500
4600
2800
3550
7000
8000
[Nl/min]
7000
8000
[Nl/min]
Q [l/min]
Type L/R
9000
11000
15000
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