Danfoss AMV 410 Anleitung Handbuch - Seite 5
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ENGLISH
Safety Notes
Prior to assembly and commissioning
to avoid injury of persons and damages
of the devices, it is absolutely necessary
to carefully read and observe these
instructions.
Necessary assembly, start-up, and
maintenance work must be performed
only by qualified, trained and authorized
personnel.
Prior to assembly and maintenance work
on the controller, the system must be:
- depressurized,
- cooled down,
- emptied and
- cleaned.
Please comply with the instructions of the
system manufacturer or system operator.
Definition of Application
The electrical actuator is used in
connection with the following valves:
VFG 2(21), VFG 25, VFU 2, VFGS 2, AFQM 6.
Fields of application are the temperature
control of water, water-glycol mixtures
and steam for heating, district heating and
cooling systems.
1
Wiring
End Switch
2
Adjusting the End Switch
Only special actuator types are equipped
with end-switch, see rating plate.
Adjusting the End Switch"Stem
extended"
1. Press push-button
until the
valve
is completely closed (VFU 2
completely open) and the direction
indicator
stops.
Observe stroke indicator, it must move
to position
.
2. Connect terminals 14 and 16 to an
ohmmeter
.
3. Turn screw
until the cam
the end-switch
and the ohmmeter
shows 0 Ω.
73696050 DH-SMT/SI
Potentiometer
Potentiometer Settings
Only special actuator types are equipped
with potentiometer (as accessories).
After having mounted a valve and an
actuator and after having removed the
mounting screw, carry out the following
steps:
Adjust zero point
1. Press push-button
is completely closed (VFU 2
completely open) and the direction
indicator
Observe stroke indicator, it must move
to position
2. Unscrew stroke setting screw
turns out of the female thread.
3. Press push-button
is completely open (VFU 2 completely
closed) and the direction indicator
stops.
4. Press push-button
is completely closed (VFU 2 completely
open) and the direction indicator
stops.
The zero point of the potentiometer
is adjusted
5. Then, adjust the stroke.
3
Note:
The range 0 - 1, 2, 5, 10 kΩ corresponds
to the maximum stroke (20 mm) of the
actuator. After the stroke is adjusted, the
resistance must be measured in accordance
with the valve stroke.
switches
VI.AC.K2.3E
4
5
until the valve
stops.
.
by 2
until the valve
until the valve
© Danfoss 08/2009
5