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Les langues disponibles
Les langues disponibles
english
1
INTENDED USE
Type 2503 Soft Close is designed for use with type 6724 valves.
▶ Use according to the permitted data, operating conditions and
conditions of use specified in the contract documents and opera-
ting instructions.
▶ Do not use the device outdoors.
▶ The device may be used only in conjunction with third-party
devices and components recommended and authorised by
Bürkert.
▶ Correct transportation, correct storage and installation and careful
use and maintenance are essential for reliable and problem-free
operation.
▶ Use the device only as intended.
2
BASIC SAFETY INSTRUCTIONSE
These safety instructions do not consider any contingencies or inci-
dents which occur during installation, operation and maintenance.
Risk of injury from high pressure.
▶ Before loosening the lines and valves, turn off the pressure and
vent the lines.
Risk of electric shock.
▶ Before reaching into the system, switch off the power supply and
secure to prevent reactivation.
▶ Observe applicable accident prevention and safety regulations for
electrical equipment.
Risk of burns/Risk of fire if used continuously through hot device
surface.
▶ Keep the device away from highly flammable substances and media
and do not touch with bare hands.
General hazardous situations.
▶ Do not make any internal or external changes on the device and do
not subject it to mechanical stress.
▶ Secure the system from unintentional actuation.
▶ Only trained technicians may perform installation and maintenance
work.
▶ The valves must be installed in accordance with the regulations
applicable in the country.
▶ After an interruption, ensure that the process is restarted in a con-
trolled manner.
▶ Observe the general rules of technology.
3
TECHNICAL DATA
3.1
Conformity
Type 2503 conforms with the EU Directives according to the EU
Declaration of Conformity (if applicable).
3.2
Standards
The applied standards, which verify conformity with the EU Directives,
can be found on the EU-Type Examination Certificate and / or the EU
Declaration of Conformity (if applicable).
3.3
General technical data
Type
Valve circuit function
Seal material
Valve operating voltage
4
INSTALLATION
NOTE
The electronics extends the valve switching time (DIN ISO
12238:2001) by up to 30 ms.
To reduce noises effectively, the valve must be decoupled from
the body before being fixed in place, thus preventing structure-
borne noise (e.g. by fixing it to supply lines or rubber mounts).
4.1
Connecting the electronics
Identification: see labeling on the electronics.
gray
+ signal IN (
)
GND (
black
)
+U
(red)
B
Fig. 1:
Connecting the valve
6724
A, B, T
EPDM, FKM or FFKM
6...24 V
black
- (
)
+ (red)
Input side electronics (3 wires)
Connection
Color
Description
Control signal
+signal IN
gray
(digital)
GND
black
Ground
Valve operating
+U
red
voltage
B
Output side electronics (2 wires, valve plug)
Connection
Color
-
black
+
red
Installation instructions for type 6724 valves can be found
in the printed operating instructions or online at:
www.buerkert.com
5
DEINSTALLATION
Deinstallation instructions for type 6724 valves can be
found in the printed operating instructions or online at:
www.buerkert.com
6
TRANSPORTATION, STORAGE, DISPOSAL
• Transport and store Type 2503 in shock-resistant packaging to
protect against moisture and dirt.
• Permitted storage temperature: –10...+65 °C.
• Dispose of the device and packaging according to the applicable
disposal and environmental protection regulations.
Type 2503
Voltage
'low signal'
0...+2 V
'high signal'
+5...+24 V
0 V
+6...+24 V
(acc. to valve imprint)
Description
Valve connection -
Valve connection +
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