Burkert 6724 Manuel D'utilisation page 2

english
1 OPERATING INSTRUCTIONS
The operating instructions contain important information.
▶ Read the instructions carefully and follow the safety instructions
in particular.
▶ Keep the instructions in a location where they are available to
every user.
▶ The liability and warranty for Type 6724 are void if the operating
instructions are not followed.
2 INTENDED USE
The rocker solenoid valve Type 6724 is designed for analytical,
medical and laboratory applications. It is used to dose, mix, and
distribute liquids and gases.
▶ Do not use Type 6724 outside without taking suitable protective
measures.
▶ Do not use rectified AC voltage as the power supply without
smoothing. Note polarity!
▶ Operate only when in perfect condition and pay attention to cor-
rect storage, transportation, installation and operation.
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 Type 6724 away from highly flammable substances 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.
▶ Do not use in potentially explosive area.
▶ Do not make any internal or external changes.
▶ 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.
4 TECHNICAL DATA
4.1 Operating Conditions
Permitted temperatures for diaphragm material FFKM:
environment: +15 ... +50 °C
medium: +15 ... +50 °C
Extended temperature ranges: depending on the materials (see
data sheet at www.burkert.com).
Media: aggressive, neutral, gaseous and liquid
media which do not attack housing and seal
materials (Recommendation: see Chemical
Resistance Chart at www.burkert.com).
Check that resistance is adequate!
Degree of protection: IP40
Protection class: III acc. to IEC 61140
4.2 Electrical Data
See data sheet at www.burkert.com and labeling on the valve.
5 INSTALLATION / DISASSEMBLY
5.1 Fluid 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
(recommended mesh size 5 μm).
WARNING!
Risk of medium escaping if seal is seated incorrectly
▶ Make sure that the supplied seal fits properly.
▶ Use only connection plate of adequate surface quality and with
a flat surface.
5.2 Electrical Installation
Electrical power supply: Tolerance ± 10 % (incl. residual ripple)
Power consumption: 1 W
If the polarity is not correct, the valve will not function (see
data sheet).
5.3 Disassembly
WARNING!
Risk of injury from hazardous media.
▶ Before loosening lines or valves, flush out hazardous media,
depressurize and drain the lines.
6 MAINTENANCE
Under normal operating conditions, the valve is maintenance-free.
7 MALFUNCTIONS
If malfunctions occur, check
• that the fluid connections have been correctly assigned
according to the operating principles,
• whether the operating pressure is within the permitted range,
• the power supply and valve control,
• the electric connections have the correct polarity.
8 TRANSPORTATION, STORAGE,
DISPOSAL
▶ Transport and store Type 6724 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 appli-
cable disposal and environmental protection regulations.
Type 6724
→
Drill holes according to
drilling pattern (dimensions
see data sheet).
→
Insert the seals into the
valve.
→
Correctly assign fluid
connection configuration.
→
Attach valve with screws
(tightening torque
0.2 ... 0.25 Nm).
→
Check installation for leaks.