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MIW-STL-EN-002 - 30 / 07 / 2018 7 - 8
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6. Using a screwdriver, adjust the minimum speed trimmer (if necessary). e
factory setting is 100 VAC, see Fig. 4 Min. speed trimmer. Adjusting the trimmer
to the desired minimum output value ensures that the motor will continue
operarting or restart smoothly in case of power faults.
7. Select “kick start” or “normal start” using the jumper shown in Fig. 6 Kick start
jumper. Kick start duration is 8—10 s. By default the jumper is connected, i.e. the
pre-set mode is “kick start”. Keep the jumper installed or remove it depending on
your start mode selection.
Fig. 4 Min. speed trimmer Fig. 5 Kick start jumper
Kick start selection
jumper JP1
*
Kick start is enabled (jumper
connected)
Kick start is disabled ( jumper
disconnected)
8. Put back the cover and secure it with the screws.
9. Start the power supply and turn on the STL by pressing the illuminated rocker
switch.
VERIFICATION OF INSTALLATION INSTRUCTIONS
ATTENTION
Use only tools and equipment with non-conducting handles when working on
electrical devices.
Make sure that the motor runs at maximum speed for 8—10 seconds. After this
period, it will operate according to the potentiometer position.
If this is not the case, check the connections and the settings again.
■
In case of faulty operation, please check if:
►
the correct output voltage has been set via the potentiometer;
►
the trimmer has been set in the desired position;
►
all connections are correct;
►
the regulated device is functioning.
STL
ELECTRONIC FAN SPEED
CONTROLLER, 230 VAC
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