User manual
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Escaping medium
When a sticking nut is loosened, medium may escape.
Do not tighten sticking nut any further.•
Electric shock
If the protective conductor is not connected, there is a
risk of electric 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.•
Installing the coil:
Danger due to electrical shock if coil incorrectly
installed!
During installation ensure that the coil is situated firmly •
on the housing cover so that the protective conductor
connection of the coil is connected to the valve housing.
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Connect coil housing to the core guide pipe. →
Screw on coil with nut. Observe torque according to →
table on page 22.
Device will be damaged if the wrong tools are used!
Always use a wrench to tighten nut. If other tools are
used (e.g. pliers), the device may be damaged.
Core guide tube
Torque
see table page 22
O-ring
Nut
Locking pin
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22
Torque for fastening nut
Coil type Coil width Torque [Nm]
AC10 32 mm or 40 mm 5 Nm
AC19 42 mm 10 Nm
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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. →
Valve does not switch
Possible cause:
Short-circuit or coil interrupted.•
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.•
Small control bore in the diaphragm blocked.•
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Type 6213 EV