Electrical Installation; Maintenance, Troubleshooting; Maintenance Work - Burkert 6650 Manuel D'utilisation

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Insert the sealing gasket into the valve.
Correctly allocate the fluid connection configuration 1,
2 and 3 to the valve and the manifold.
Screw valve onto the manifold.
Dimensional drawing for manifold:
2-way normally closed:
max. ∅ 1.4
4.8
33
Check valve for leakage.
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8.
MAINTENANCE,
TROUBLESHOOTING
8.1. Safety instructions
DANGER!
Danger – high pressure in the equipment!
• Before loosening the lines and valves, turn off the
pressure and vent the lines.
WARNING!
Risk of injury from improper maintenance!
• Maintenance may be carried out by authorised 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.
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Flange screws
Recommended
torque:
0.24 Nm ± 0.04 Nm
Sealing gasket
Manifold
3-way universal function:
max. ∅ 1.4
4.8
33

7.3. Electrical Installation

NOTE!
Without proper power reduction electronics, the valve
type 6650 is not suitable for continuous operation!
Please refer to the chapter titled "Electrical data".
In the block structure all valves must be poled iden-
tically. The mark (+) on the valve and the numerals
1 and 2 on the plug-in connector are used as orien-
tation. Example: On all units the plug-in connector
with numeral 2 points to the mark (+).
If the power reduction electronics are used, observe
the following polarity: brown + / white -
A type-specific plug-in connector with or without integrated
power reduction electronics is available as an accessory
(see data sheet).

8.2. Maintenance Work

The valve is maintenance-free under normal operating
conditions.
If the exterior is very dirty, it is recommended to clean it
with suitable cleaning agents. If required, determine the
suitability of the cleaning agent by conducting a test.
WARNING!
Discharge of medium and malfunction if the con-
nection clamps are removed!
• The connection clamps between coil and fluid housing
must not be removed.
8.3. Malfunctions
If operating with power reduction electronics,
ensure that the power supply flank is quick enough.
If malfunctions occur, check
the line connections
the operating pressure
the power supply and valve control
If the valve still does not switch, please contact your
Bürkert Service.
Type 6650
plug-in connector
1 = brown
2 = white
english
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english
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