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ADC4 • Destratification fan controller

  • Destratification fan controller
  • 230 Volts, 1 phase, 50Hz
  • Max. 4 Amps

Destratification fan controller

Application

The ADC4 is designed to overcome the problem of loosing heat from ground level to ceiling space. The ADC4 has connections for high and low level sensors (supplied with controller). When used in automatic mode the user can set the difference in temperature between the high and low level sensor at which point the fan(s) would increase in speed to redistribute the warm air to the ground level thus reducing the energy requirements.

Composition

  • Automatic mode re-distributes rising warm air
  • Manual mode for general operation
  • Forward and reverse mode
  • For single phase fans up to 4 Amps

The ADC4 also has a manual mode whereby the user can automatically adjust the speed and by switching the direction mode to reverse this can be used to provide general air movement in an office without blowing paper etc off desks.

Note: To be able to use the ADC4 in manual mode to control the fan in both directions the fan motor must have separate forward and reverse run connections I.E. the fan must have neutral, live (forward) and live (reverse) connections.

Technical Data

ModelElectrical SupplyMax RatingDimensions (H x W x D)Mounting
ADC4230v 1ph 50hz4 Amps147mm x 197mm x 79mmSurface

Wiring diagram 1

Operation

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


Installation of temperature sensors

The air temperature sensors should be mounted such that they do not come into contact with heat sources such as direct sunlight or heating/cooling pipework. They will then measure the actual air temperature.

Sensor cabling: Use 2 core cable which should be run so as to avoid conduit and other cabling where pickup can result.


Operation

Switch off/on switch to on and select forward (FWD) or reverse (REV). Generally forward is selected but reverse mode may be useful in applications where there is a low ceiling and reverse mode will reduce chance of papers etc been blown about.


The ADC4 has 2 modes of operation

Manual: The controller can be used to manually control the speed of the fans using the speed adjustment dial.

Automatic: The controller can be used to automatically adjust the speed of the fans and thus move warm air that is rising to ceiling level back down to ground level. The fans will begin to increase in speed (from the preset minimum) when the temperature at the high level sensor is greater than that of the low level sensor by the amount in °C as set by the ΔT dial.
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