Bürkert 2871 Kullanım Talimatları - Sayfa 2
Kontrol Ünitesi Bürkert 2871 için çevrimiçi göz atın veya pdf Kullanım Talimatları indirin. Bürkert 2871 4 sayfaları. Proportional valves with control electronics
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English
1.
OPERATING INSTRUCTIONS
The operating instructions contain important information.
• Read the instructions carefully and follow the safety instructions
in particular, and also observe the operating conditions.
• Keep the instructions in a location where they are available to
every user.
• The liability and warranty for the proportional valve are void if the
operating instructions are not followed.
2.
INTENDED USE
The direct-acting proportional valve can be used as an actuating
element for the process control.
• Do not use in potentially explosive areas.
• Do not use outside.
• Operate only when in perfect condition and pay attention to correct
storage, transportation, installation and operation.
• Do not make any internal or external changes.
3.
BASIC SAFETY INSTRUCTIONS
These safety instructions do not make allowance for any contin-
gencies and events which may arise during installation, operation
and maintenance.
WARNING!
Danger – high pressure!
• Before loosening lines or valves, turn off the pressure and vent
the lines.
Risk of burns/risk of fire if used continuously through hot
device surface!
• Keep the proportional valve away from highly flammable sub-
stances and media and do not touch with bare hands.
• Do not obstruct the heat release required for operation.
To prevent injury, ensure the following:
• Secure equipment/device from unintentional actuation.
• Only trained technicians may perform installation and mainte-
nance work.
• After an interruption in the power supply, ensure that the pro-
cess is restarted in a controlled manner.
• Observe the general regulations of technology.
Electrostatic sensitive components/modules!
Observe the requirements in accordance with EN 61340-5-1 and
5-2 to minimize/avoid the possibility of damage caused by a sudden
electrostatic discharge!
4.
TECHNICAL DATA
4.1.
Operating conditions
CAUTION!
Malfunction in unauthorized temperature range.
• Avoid exceeding or dropping below the temperature range.
Ambient temperature:
0 ... +55 °C
Medium temperature:
-10 ... +90 °C
Media: neutral gases, technical vacuum
Protection class: IP65 in accordance with DIN EN 60529
4.2.
Mechanical and pneumatic data
Materials, pressure range, line connectors: see rating plate
4.3.
Electrical Data
Operating voltage, power input: see rating plate.
Nominal operating mode: Long-term operation ED 100 % in
accordance with DIN EN 60034-1
Electrical connection: (depending on type and design) wires, plug
tabs in accordance with DIN EN 175301-803 shape A, shape B
5.
INSTALLATION
WARNING!
Risk of injury from high pressure in the equipment.
• Before loosening lines or valves, turn off the pressure and vent
the lines.
Installation position: any position, preferably with actuator above.
→
Clean pipelines and flange connections.
→
Install dirt filter in the direction of flow in front of the valve
(mesh size 0.02 – 0.4 mm; according to orifice).
WARNING!
Danger from medium!
• Make sure that the supplied seal fits properly.
→
Insert seal into valve.
NOTE!
• The proportional valve must not be removed and the central
adjusting screw must not be adjusted.
Screwing in pipeline:
NOTE!
• Use suitable tool (open-end wrench)
and do not use coil as a lever arm.
→
Hold the proportional valve on the fluid
housing using an open-end wrench.
→
Screw in pipeline.
→
Check installation for leaks.
Attaching the mounting plate:
Fastening screws (2)
Mounting plate
* Coil size
Connecting device socket:
Seal
NOTE!
• Note the voltage and current
→
→
max.
0.9 Nm
→
6.
MAINTENANCE
Under normal operating conditions, the valve is maintenance-free.
7.
MALFUNCTIONS
If malfunctions occur, check
• the line connectors,
• whether the operating pressure is within the permitted range,
• the power supply and valve control.
8.
TRANSPORTATION, STORAGE, DISPOSAL
• Transport and store the proportional valve in shock-resistant
packaging to protect against moisture and dirt.
• Permitted storage temperature: -20 ... +70 °C.
• Dispose of the device and packaging according to the appli-
cable disposal and environmental protection regulations.
Type 2861 ... 2875
Tightening torque
according to coil size:
20 mm = max. 1.0 Nm
32 mm = max. 1.2 Nm
49 mm = max. 1.5 Nm
type as specified on the rating
plate. Ensure that the seal is fitted
correctly.
Insert seal.
Attach device socket and secure
with screw.
Tightening torque max. 0.9 Nm.
Connect protective conductor.