Helios MWS 1,5 - 10,0, MWS 1,5 - 5,0 Transformer Controller Installation and Operating Instructions

Below you will find brief information for MWS 1,5 - 10,0, MWS 1,5 - 5,0. The MWS 1,5 - 10,0, MWS 1,5 - 5,0 is a 1-phase transformer speed controller designed to be used in combination with an electric motor which is suitable for speed control by means of a transformer. The controller can regulate the speed of the motor in 5 steps. Several ventilators (also with motors of different ratings) may be connected to one controller. However, the total load current must not exceed the nominal output current of the controller. Terminals NK-LK give a 230 V output in all positions except “0“. This is, for example, for opening electric dampers.

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Transformer Controller MWS 1,5 - 10,0, MWS 1,5 - 5,0 Installation and Operating Instructions | Manualzz

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Key Features

  • 1-phase transformer speed control
  • 5 speed settings
  • Motor overload protection
  • Suitable for multiple fans
  • 230V output for damper control
  • Easy installation

Frequently Answers and Questions

What is the maximum ambient temperature for operation?

The maximum admissible ambient temperature during operation is +40° C.

How do I reset the controller after a fan failure?

Switch the controller to the "0" position and then back to the desired speed setting.

Can I use the controller with a motor without a thermal switch?

Yes, but you will need to connect the terminals TK 20 and TK 21 together. However, this will disable the motor overload protection.

What are the voltage settings for the controller?

The output voltage settings are: 230V, 190V, 150V, 110V and 70V.
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