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Note the voltage and current type as specified on
the rating plate.
→
Tighten cable plug (for permitted types see data sheet),
observing max. torque 1 Nm.
→
Check that seal is fitted correctly.
→
Connect protective conductor and check electrical
continuity between coil and housing.
english
20
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 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:
Warning!
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.
english
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All manuals and user guides at all-guides.com
8.
mainTEnancE,
TrOublEshOOTing
8.1.
safety instructions
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,
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 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.
→
Connect coil housing to the core guide pipe.
→
Screw on coil with nut.
note!
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.
Fig. 4:
Installing the coil
Type 5281 EV
switch
english
21
21
Nut
Core guide tube
O-ring
Locking pin
english
23
23
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