Maintenance, Troubleshooting; Transportation, Storage, Disposal - bürkert 0470 Bedienungsanleitung

NOTE!
If the cable plug is designed in such a way that the screw is pointing
upwards, insert a seal made of a material compatible with your
process under the screw head.
Note the voltage and current type as specified on the type
label.
Pesistor Test voltage
max. 0.1 Ω
12 V
Tab. 1: Test values protective conductor function
8 MANUAL CONTROL
Fig. 4: Manual control based on the example of Type 5470
9 DISASSEMBLY
Disassembly is in reverse sequence to assembly.
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10.2 Malfunctions
If malfunctions occur, check whether:
• the device has been installed according to the instructions,
• the electrical and pneumatic connections are correct,
• the device is not damaged,
• all screws have been tightened,
• the voltage and pressure have been switched on,
• the pipelines are clean,
• the manual control is in the normal position.
Valve does not switch
Possible causes:
• short circuit or coil interrupted,
• core or core area dirty,
• medium pressure outside the permitted pressure range.
Valve does not close
Possible causes:
• inner compartment of the valve is dirty.
Test current
1 A
0 = rest position
1 = switching
position
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7.6 Actuating the pulse version
The correct polarity is a prerequisite for the device to function:
Observe the markings on the coil surface. Pulse duration at
least 50 ms.
pin 1 pin 2
Plug configuration
(+) on pin 2
Pilot valve opened
(–) on pin 1
(+) on pin 1
Pilot valve closed
(–) on pin 2
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10

MAINTENANCE, TROUBLESHOOTING

If the valve is used according to these operating instructions, the valve
will operate maintenance-free.
10.1 Safety instructions
WARNING!
Risk of injury from improper maintenance!
▶ Maintenance may only be carried out by authorized technicians
and with the appropriate tools!
Risk of injury due to electrical shock!
▶ Before reaching into the device or the equipment, switch off the
power supply and secure to prevent reactivation!
Danger – high pressure!
▶ Turn off the pressure and vent the lines before loosening lines or
valves.
Risk of injury from unintentional activation of the system and
uncontrolled restart!
▶ Secure system against unintentional activation.
▶ Following maintenance, ensure a controlled restart.
11 TRANSPORTATION, STORAGE,
DISPOSAL
NOTE!
Transport damage!
Inadequately protected devices may be damaged during
transportation.
▶ Protect the device against moisture and dirt in shock-resistant
packaging during transportation.
▶ Prevent the temperature from exceeding or dropping below the
permitted storage temperature.
▶ Protect the electrical interfaces of the coil and the pneumatic
connections from damage by placing protective caps on them.
Incorrect storage may damage the device.
▶ Store the device in a dry and dust-free location!
▶ Storage temperature –40 °C ... +80 °C.
Damage to the environment caused by device components
contaminated with media.
▶ Dispose of the device and packaging in an environmentally friendly
manner!
▶ Observe applicable disposal and environmental regulations.
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Type 0470, 5470
pin 1 pin 2
Effect
1–3
CFG
2–3
1–4 CFC
1–2
CFG
4–3
4–3 CFC
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