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Removal
8.
Removal
1
2
Illust. 9: Stroke position indicator and valve stem
cover
(1)
Stroke position indicator of the actuator
(2)
Cover for manual setting (adjustment stem)
CAUTION
Risk of burns due to hot components
An unprotected contact with hot components
may lead to burns.
f Allow the product to cool down before
working on it.
NOTICE
It may not be possible to unscrew the col-
lar nut by hand
In some circumstances, the actuator closes
the valve with the maximum actuating power
of 500 N. In this case, the collar nut can no
longer be unscrewed by hand.
f Do not use pliers or similar to loosen the
collar nut!
f Use the manual setting option.
1. Make sure that no differential pressure is applied to
the valve body.
2. Completely disconnect the actuator from the power
supply.
3. Check the stroke position of the actuator.
4. If the actuator is not in the upper to medium stroke
position, move the actuator into the medium stroke
position with the help of the manual setting (see
section 6.3).
5. Loosen the collar nut.
6. Press the push button to release the latched valve
stem until stop and keep it pressed.
10
Electromotive actuator 24 V
7. Remove the actuator from the valve.
Also remove the adapter set if you do not re-
quire it any longer for this valve.
9.
Reinstallation
The actuator must not be in the lower stroke
position for correct installation.
1. Before reinstallation, move the actuator to an upper
to medium stroke position with the help of a control
signal or the manual setting (see section 6.3).
2. Install the actuator as described in section 5.
3. Put the actuator into operation as described in
section 5.2 .
4. Trigger an initialisation run by switching DIP switch
6 (see Illust. 4).
Z The actuator is ready for operation.
10. Disposal
Guideline 2012/19/EU WEEE:
Waste electrical and electronic equipment
(WEEE) must not be disposed of with do-
mestic waste, but must be dropped off at a
collection point for the recycling of electri-
cal and electronic appliances.
NOTICE
Risk of environmental pollution
Incorrect disposal (for instance with the
domestic waste) may lead to environmental
damage.
f Packaging material is to be disposed of in
an environmentally friendly manner.
f Components are to be disposed of pro-
fessionally.
If no return or disposal agreement has been made,
the product has to be disposed of.
f If possible, the components are to be recycled.
f Components, which cannot be recycled, are to be
disposed of according to the local regulations. Dis-
posal with the domestic waste is inadmissible.
115801283-V01.01.2020
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