Burkert Type 6203 - Manual (Page 5)

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7.4. Electrical connection of the
device socket
Warning!
Risk of injury due to electrical shock!
• Before reaching into the system, switch off the electrical
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
housing is missing, there is danger of electrical shock!
• Always connect protective conductor.
• Check electrical continuity between coil and housing.
Authorized device socket e.g. Type
2508 in accordance with DIN ISO
175301-803 Form A
Seal
max. 1 Nm
Fig. 2: Electrical connection of the device socket
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Note the voltage and current type as specified on
the type label.
→
Tighten device socket (for permitted types see data
sheet), observing max. torque of 1 Nm.
→
Check that seal is fitted correctly.
→
Connect protective conductor and check electrical con-
tinuity between coil and housing.
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8. mainTEnancE,
TrOublEshOOTing
8.1. safety instructions
Danger!
Risk of injury from high pressure in the equipment!
• Before loosening the lines and valves, turn off the pres-
sure and vent the lines.
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!
Warning!
Risk of injury from improper maintenance!
• Maintenance may only be carried out by authorized
technicians 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.
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8.2. installation of coil
Warning!
Escaping medium!
When a sticking nut is loosened, medium may escape.
• Do not tighten sticking nut any further.
Electric shock!
If the protective conductor contact between the coil and
housing is missing, there is danger of electrical shock!
• Check protective conductor contact after installing the
coil.
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.
Danger due to electrical shock if coil incorrectly installed!
• During installation ensure that the coil is seated firmly
on the step of the core guide tube so that the protective
conductor connection of the coil has a connection to
the valve housing.
Procedure:
→
Connect coil housing to the core guide pipe.
→
Screw on coil with nut. Observe torque.
→
Check protective conductor.
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Type 6203 EV