Maintenance, Troubleshooting; Safety Instructions - Burkert 6213 EV Manuel D'utilisation

5.5 Electrical connection of the cable plug
WARNING!
Risk of injury due to electrical 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!
If the protective conductor contact between the coil and body is
missing, there is danger of electrical shock!
▶ Always connect protective conductor.
▶ Check electrical continuity between coil and body.
Procedure:
→
Tighten cable plug (for permitted types see data sheet), observing
max. torque 1 Nm.
→
Check that seal is fitted correctly.
→
Connect protective conductor and check electrical continuity between
coil and body.
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MAINTENANCE, TROUBLESHOOTING

6.1 Safety instructions

WARNING!
Risk of injury from improper maintenance!
▶ Maintenance may be carried out by authorized technicians only and
with the appropriate tools!
Risk of injury from unintentional activation of the system and an
uncontrolled restart!
▶ Secure system from unintentional activation.
▶ Following maintenance, ensure a controlled restart.
6.2 Installation of the coil
WARNING!
Electric shock!
▶ Before reaching into the system, switch off the power supply and
secure to prevent reactivation!
▶ During installation ensure that the coil is situated firmly on the body
cover so that the protective conductor connection of the coil is con-
nected to the valve body.
▶ Check protective conductor contact after installing the coil.
Nut
Core guide pipe
O-ring
Locking pin
Torque for fastening nut:
Coil type Coil width
AC10 32 mm resp. 40 mm
AC19 42 mm
10
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Observe
torque for
fastening nut!
(See table)
Torque
5 Nm
10 Nm
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Note the voltage and current type as specified on the type label.
Seal
Authorized cable plug e.g. Type 2508
or other suitable cable plug in accor-
dance with DIN EN 175301-803
Form A
Pulse version (optional, Code CF 16):
• Valve opens when current pulse min. 50 ms:
– on Pin 1, + on Pin 2
• Valve closes when current pulse min. 50 ms:
+ on Pin 1, – on Pin 2
Escaping medium!
When a sticking nut is loosened, medium may escape.
▶ Do not tighten sticking nut any further.
Overheating, risk of fire!
Connection of the coil without pre-assembled valve will result in
overheating and destroy the coil.
▶ Connect the coil with pre-assembled valve only.
Procedure:
→
Connect coil body to the core guide pipe.
→
Screw on coil with nut. Observe torque.
NOTE!
Device will be damaged if the wrong tools are used!
Always use a wrench to tighten nut. If other tools are used (e.g. pliers),
the device may be damaged.
→
Check protective conductor.
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6.3 Malfunctions
If malfunctions occur, check whether:
→
the device has been installed according to the instructions,
→
the electrical and fluid 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.
Valve does not switch
Possible cause:
• Short circuit or coil interrupted.
• Core or core area dirty.
• Medium pressure outside the permitted pressure range.
Valve does not close
Possible cause:
• Internal space of the valve is dirty.
• Small control bore in the diaphragm blocked.
• Valve opened by manual control.
Type 6213 EV, 6281 EV
max. 1 Nm
1 2
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