Burkert Type 0285 - Manual (Page 4)

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5.4 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.
Note the voltage and current type as specified on the type label.
Coil
Seal
(ensure position is correct)
Cable plug
max. 1 Nm
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6 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 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,
→
the power supply is adequately high.
Valve does not switch
Possible cause:
• Short circuit or coil interrupted.
• Inadequate power supply.
• 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.
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7 spare parTs
Caution!
Risk of injury and/or damage by the use of incorrect parts!
Incorrect accessories and unsuitable spare parts may cause injuries
and damage the device and the surrounding area.
▶ Use only original accessories and original spare parts from Bürkert.
7.1 Ordering spare parts
Replacement part sets
• Type 0256
Order the spare parts sets specifying the positions (Pos. 1: coil set,
Pos. 2: wearing parts set) and the identification number of the device.
• Type 0285
If defective, replace valve completely or have it repaired by Bürkert
Service.
7.2 replacement part sets Type 0256
1
2
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Type 0256, 0285