Burkert Type 6608 - Manual (Page 8)

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To ensure functional reliability, operate the valve with
the coil installed ex works only!
Note the voltage and current type as specified on
the label. Voltage tolerance ±10 %
Valves with flange body:
Danger!
Risk of electric shock if the protective conductor
function is defective!
After installing the coil, check the function of the •
protective conductor.
Check function of the protective conductor.
→
Resistance Test voltage Test current
max. 0.1 Ω 12 V 1 A
Connection to cable plug:
Danger!
Risk of electric shock if protective conductor not
connected!
Always connect protective conductor! •
Earthing connection (if fitted): Middle spade connection
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Ensure that the seal is seated correctly for the
electrical connection to the cable plug.
Cable plug
Type 2507
Seal
Valve
max. tightening
torque: 0.4 Nm
note!
If the tightening torque is too great, the device may
be damaged!
Observe the maximum tightening torque of the screws! •
Screw cable plug to the valve at a maximum tightening
→
torque of 0.4 Nm.
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30
mainTenance, 9.
TrOubleshOOTing
The valve is maintenance-free under normal operating
conditions.
safety instructions 9.1.
Danger!
Risk of injury from high pressure in the equipment!
Before loosening the pipes and valves, turn off the •
pressure and vent the pipes.
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!
Observe applicable accident prevention and safety
•
regulations for electrical equipment!
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Warning!
Risk of injury from improper maintenance!
Maintenance may be carried out by authorized techni- •
cians 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. •
maintenance Work 9.2.
Malfunctions
If malfunctions occur, check
the port connections: the correct configuration of the
→
fluid connections according to the circuit functions (see
chapter entitled “
8.2. Fluid Installation”).
whether the operating pressure is within the permitted
→
range.
the power supply and valve control.
→
flange connection: check the location of the sealing.
→
If the valve still does not switch, please contact your
Bürkert Service.
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Type 6128, 6608