Installation
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Before installation, clean any possible dirt off the pipelines and
flange connections.
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If required, install a dirt trap to prevent malfunctions.
6.3
Observe the direction of flow of the valve.
* s ee also the description of the operating principles in the chapter entitled
"Pneumatic Data"
8
Do not remove the flanged plate.
WARNING!
Danger – escaping medium.
Leaking connections if seals not seated properly, if connection plate
uneven or if surface quality of the connection plate inadequate.
▶ Make certain the seals included with delivery are properly seated in
the valve.
▶ Ensure that the connection plate is even.
▶ Ensure that the surface quality of the connection plate is adequate.
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Insert the seal into the valve.
CAUTION!
If the tightening torque is too great, the device may be
damaged.
▶ Observe the max. tightening torque of the screws.
6.4 Electrical Installation
DANGER!
Risk of electric shock when reaching into the equipment.
▶ Before starting work, always switch off the power supply and safe-
guard to prevent re-activation.
▶ Observe applicable accident prevention and safety regulations for
electrical equipment.
Note the voltage and current type as specified on the rating
plate.
Voltage tolerance±10%
Connection to device socket:
DANGER!
Risk of electric shock if protective conductor not connected.
▶ Always connect protective conductor.
Earthing connection (if fitted): Middle plug tab
Ensure that the flat seal is seated correctly for the electrical
connection to the device socket.
10
Mesh size: 5 µm
Operating principle*
A
T
B
english
english
Identification of the valve connections on the housing:
NO
Normally Open
Connection normally openfor WWB
NC
Normally Closed Connection normally closed, for WWA
IN/OUT for pressure connection (distributor) or
work connection (mixer), for WWT
The valve housing must not be twisted by the fastening screws
or by screwing in the connecting nipples too far.
The housings with threaded or hose connection have fixing eyelets for the
screw connection from above with M3 and from below with self-tapping
screws BZ 3.9 x ... DIN 7971.
Housing with threaded connection:
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Use PTFE tape as sealing material
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Screw in the connecting thread by hand only
Housing with hose connection:
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Use flexible silicone or FKM hose with 1.6-2 mm inner diameter
Valve with flanged connection:
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Remove the locking plate (coloured orange).
Screw in screws to 0.3 ± 0.05 Nm
(does not apply to self-tapping
screws)
Caution:
Do not remove
flanged plate !
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Attach valve to the connection plate.
Dimensional drawing for connection plate:
min 8.5 deep
M2.5
NO
IN/OUT
18
21.5
6.3.1
Arrangement of the bores:
3-way
2-way central exit
english
max. tightening torque:
0.4 Nm
Flat seal
CAUTION!
If the tightening torque is too great, the device may be
damaged.
▶ Observe the max. tightening torque of the screw.
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Screw device socket to valve to a max. tightening torque of 0.4 Nm.
Alternative electrical connection:
Two individual wires
Type 0127
max. ø2
NC
2-way external exit
9
Device socket
Type 1054
Valve