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ECP • EC fan motor potentiometers

  • EC fan motor potentiometers
  • 0-10VDC

EC fan motor potentiometers

Application

A range of potentiometers for the speed control of EC fan motors. The speed adjustment potentiometers are connected directly to the EC motor to provide stepless speed control by means of varying the 0-10v input to the fan motor. The potentiometer value on all our EC potentiometers is 10KΩ.

Features/options
• With or without on/off switch
• All models feature minimum speed preset
• Choice of plastic or stainless steel plate
• All models supplied with backing box
• Maximum level preset option on single gang versions
• Dual gang versions for simultaneous control of 2 fans

Composition

There are 4 basic models of potentiometers: We stock the ECP1-S
  • ECP1: Single gang potentiometer for control of 1 fan, no switch, plastic front plate.
  • ECP1-S: Single gang potentiometer for control of 1 fan, with switch, plastic front plate.
  • ECP2: Single gang potentiometer for control of 1 fan, no switch, stainless steel front plate.
  • ECP2-S: Single gang potentiometer for control of 1 fan, with switch, stainless steel front plate.

Technical Data

ModelFront plateSwitchGangSpeed pre-setValue
ECP1-SWhite plasticYesSingle--10kΩ

Wiring diagram 1

Notes

Please see Downloads for Datasheet and Operation & Maintenance Manual

Installation.

Check that the speed controller supplied is compatible with the fan.
Install in a dry sheltered position. Do not install in close proximity to a heat source.
Remove the front cover of the controller by unscrewing the fascia fixing screws. This provides access to mounting holes and electrical terminals.
All wiring must be carried out by a suitably qualified and competent person and comply with current
applicable regulations.

Operation

Minimum speed level preset.
All models feature a minimum speed level preset. This can be used to set the 0-10vdc output level when the knob on the front is fully anticlockwise. The minimum level can be increased by turning the Min preset clockwise.

Maximum speed level preset (where fitted)
On models that have a maximum level preset fitted then this can be used to set the 0-10vdc output level when the knob on the front is fully clockwise. The maximum level can be increased by turning the Max preset clockwise.
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