Burkert 7012 Series Manuale utente
Bedienungsanleitung
Manuel d‘utilisation
Operating Instructions
Type 7012
3/2-way solenoid valve
3/2-Wege-Magnetventil
Électrovanne 3/2 voies
2
1 OPERATING INSTRUCTIONS
The operating instructions contain important information.
▶Carefully read these instructions and follow the safety
instructions.
▶Store the instructions in such a way that they are available to all
users.
▶Liability and warranty for the device will be invalidated if the
operating instructions are not followed.
1.1 Symbols
▶designates instructions to avoid danger.
→designates a procedure which you must carry out.
Danger
Imminent danger! Serious or fatal injuries.
Warning
Potential danger! Serious or fatal injuries.
Caution
Danger! Moderate or minor injuries.
Contents
1 Operating instructions.................................................................. 2
2 Intended use ............................................................................... 3
3 Basic safety instructions .............................................................. 4
4 Technical data ............................................................................. 5
5 Installation ................................................................................... 7
6 Disassembly .............................................................................. 11
7 Maintenance, troubleshooting ................................................... 12
8 Spare parts ............................................................................... 12
9 Transportation, storage, disposal............................................... 13
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3
note
Warns of damage.
Important tips and recommendations.
Refers to information in these operating instructions or in
other documentation.
1.2 Denition of the term "device"
Term in these instructions stands for
Device the solenoid valve Type 7012
1.3 Warranty
A precondition for the warranty is that the device is used as
intended in consideration of the specied operating conditions.
2 INTENDED USE
The solenoid valve Type 7012 is designed for blocking, dosing,
lling and ventilating neutral gaseous and liquid media.
▶Use the device only as intended. Non-intended use of the
device may be dangerous to people, nearby equipment and the
environment.
▶Do not use the device outdoors.
▶When using the device, observe the authorised data, operating
conditions and deployment conditions specied in the contract
documents and in the operating instructions.
▶Use the device only in conjunction with third-party devices and
components recommended or approved by Bürkert.
▶The device must only be used when in perfect condition; always
ensure proper storage, transportation, installation and operation.
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4
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.
The operator is responsible for observing the location-specic safety
regulations, also with reference to personnel.
Risk of injury due to high pressure in the system or device.
▶Before working on the system or device, switch o the pressure
and ventilate and empty the lines.
Risk of injury due to electric shock.
▶Before working on the device or system, switch o the power
supply and secure to prevent reactivation.
▶Observe the applicable accident prevention regulations and
safety regulations for electrical devices.
Risk of burns or re from hot device surfaces due to prolonged
operation.
▶Keep the device away from highly ammable substances and
media and do not touch with bare hands.
Risk of injury due to malfunctioning valves that operate with
alternating current (AC).
A seized core causes the solenoid to overheat, which leads to
functional failure.
▶Monitor the working process for proper function.
General hazardous situations.
Ensure the following the prevent injuries:
▶the device only when it is in perfect condition and in
accordance with the operating instructions.
▶Do not make any internal or external changes to the device and
do not subject it to mechanical stress.
▶Secure device or system to prevent unintentional activation.
▶Make sure only trained technicians carry out installation and
maintenance work.
▶Install the valves according to the regulations applicable in the
respective country.
▶After an interruption in the power supply, ensure that the process
is restarted in a controlled manner.
▶Observe the general rules of technology.
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5
4 TECHNICAL DATA
4.1 Conformity
The solenoid valve Type 7012 conforms to EC directives as per the
EC Declaration of Conformity.
4.2 Standards
The applied standards, which are used to verify compliance with the
directives, can be found in the EC type-examination certicate and/
or the EC Declaration of Conformity.
4.3 Operating conditions
Warning
Risk of injury due to malfunction if used outdoors.
▶Do not use the device outdoors and keep it away from heat
sources that could cause the permissible temperature range to
be exceeded.
Ambient temperature max. +55°C
max. +75°C
Medium temperature max. +100°C
Media neutral gaseous and liquid media that do not
attack the housing and seal materials (see
resistance table at www.country.burkert.com).
Viscosity max. 21mm²/s
Degree of protection IP65 as per EN60529 with cable plug
4.4 Mechanical data
Dimensions see data sheet
Body material brass, polyamide (PA), stainless steel 1.4305
Seal material FKM, EPDM
4.5 Fluidic data
Circuit functions
C
(NC) NC NO
3/2-way valve, closed in rest
position, outletA relieved
D
(NO) NO NC
3/2-way valve, outletB pressurised
in rest position
Pressure range 0–16bar
Port connections M5, G1/8, ange
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6
4.6 Electrical data
Solenoid
dimensions Solenoid 20mm
(SG2) Solenoid 24.5mm
(SG3)
Ports DINEN175301-803, design formC:
for cable plug 2516
Industry standard, design formB:
for cable plug 2507
Flat-pin terminal as protection classIII
Stranded port on request
Operating voltage 24VDC
24VAC 50Hz, 60Hz, 50–60z
230VAC 50Hz
120VAC 60Hz
(more on request)
Voltage tolerance ±10%
Nominal power 2W to 6.5W 2W to 7W
Nominal operating
mode Continuous operation: 100% duty cycle
4.7 Device identication
4.7.1 Type label
Identication number
Voltage, frequency, output
max. ambient temperature, max. duty cycle
Port connection, pressure range
Type
Circuit function
DN
Seal material
Body material
7012 C 1,5 FKM MS
Made in Germany
00222407
W12ML
24V DC 6,5 W
Tamb 55°C 100%ED
G1/8 PN0 - 12 bar
00987654
coil
g
S/N 001000 AC08-22AA
Fig. 1: Description of the type label (example)
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7
4.7.2 Laser engraving of solenoid AC08
00987654
coil
g
S/N 001000 AC08-22AA
Devices certied
as per US and Canadian terms
CE mark
Fig. 2: Description of laser engraving on solenoid AC08
4.8 Approvals
Solenoid AC08 is cURus-approved and certied in accordance with
US and Canadian terms.
Identication of the solenoid is not necessarily linked with the
approval of the valve.
5 INSTALLATION
Danger
Risk of injury due to high pressure in the system or device.
▶Before working on the system or device, switch o the pressure
and ventilate and empty the lines.
Risk of injury due to electric shock.
▶Before working on the system or device, switch o the power
supply and secure to prevent reactivation.
▶Observe the applicable accident prevention regulations and
safety regulations for electrical devices.
▶Only connect protection classIII devices (without protective con-
ductor) to SELV or PELV power sources.
▶Only use cable plug for matching solenoid variant. Cable plugB
must not be used for a protection classIII device.
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8
Warning
Risk of injury due to improper installation.
▶Installation may only be performed with trained technical personnel
with suitable tools.
▶Secure the system against unintentional activation.
▶Following installation, ensure a controlled restart.
5.1 Fluidic installation
Installation position: any, preferably solenoid facing upward.
→Check pipelines for soiling and clean if required.
→Install a dirt trap to protect against disruptions (mesh width:
0.2–0.4mm).
Note ow direction. Letters on the housing indicate the ow
direction: from 1(P) →2(A).
5.1.1 Devices with threaded connection
note
Caution: risk of breakage.
▶Do not use the solenoid as a lever arm.
→Seal the thread with PTFE tape.
→Hold the device on the housing using an open-end wrench and
screw into the pipeline.
5.1.2 Devices with ange connection
→Remove protective cover.
→Loosen nut and remove solenoid.
Warning
Risk of injury due to medium leak.
▶Ensure that the seals provided t the valve properly.
▶Ensure that the manifold is level.
▶Ensure sucient surface quality of the manifold.
→Insert the seal into the housing.
→Screw the housing onto the manifold, observing the maximum
tightening torque of 1Nm.
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9
→Place the solenoid on it and fasten the nut, observing the
maximum tightening torque of 2.8Nm.
Nut
Solenoid
Fastening screw
Seal
Manifold
Fig. 3: Installing the devices with a ange connection
5.2 Electrical installation
Warning
Risk of injury due to electric shock.
▶Before working on the system or device, switch o the power
supply and secure against reactivation.
▶Observe the applicable accident prevention regulations and
safety regulations for electrical devices.
Risk of electric shock if protective conductor not connected.
▶Always connect protective conductor.
▶Check electrical continuity between solenoid and housing.
→Connect the protective conductor.
→Attach seal and check that it ts properly.
→Screw on the cable plug (see data sheet for approved types),
observing the maximum tightening torque of 0.3Nm.
→Check electrical passage.
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10
Type 2507
Seal
Fig. 4: Electrical connection
5.3 Rotating the solenoid
Warning
Risk of injury due to electric shock.
If there is no protective conductor function between the solenoid
and housing, there is a risk of electric shock.
▶Check the protective conductor function after installing the
solenoid.
Risk of injury due to overheating or re hazard.
Connecting the solenoid without rst installing the armature will
lead to overheating and will destroy the solenoid.
▶Only connect the solenoid after the armature has been installed.
The solenoid can be rotated by 4x90°. 2x180° in case of a block
installation.
→Loosen the nut.
→Rotate the solenoid.
→Screw in the nut with an open-end wrench, observing the
maximum tightening torque of 2.8Nm.
English
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