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Hoffman Controls 759-EMC Motor

$ 250.60

The Hoffman Controls 759-EMC Motor controller is designed for walk-in and reach-in coolers and freezers that have continuously variable speed ECM evaporator fan motors, such as the ICE-59, the ICE-142, and the Hoffman variable speed EC motor. This controller provides maximum efficiency, reduced compressor run time, reduced product shrinkage, and increased product shelf life by continuously varying the evaporator fan speed depending on the vault temperature.

SKU: HC000-00006-1 Category: Tag:

Description

The Hoffman Controls 759-EMC Motor controller is designed for walk-in and reach-in coolers and freezers that have continuously variable speed ECM evaporator fan motors, such as the ICE-59, the ICE-142, and the Hoffman variable speed EC motor. This controller provides maximum efficiency, reduced compressor run time, reduced product shrinkage, and increased product shelf life by continuously varying the evaporator fan speed depending on the vault temperature.

It is well-known that a two speed evaporator fan and control can provide energy savings by reducing the air flow during the compressor-off part of the cycle. This controller takes the technology to a new level by continuously varying the fan speed as the vault temperature rises during the compressor-off period using an adaptive algorithm to set the exact speeds.

The only sensors used by this control are temperature sensors, used to detect when the expansion valve is operating, the vault temperature, and the coil temperature.

Hoffman Controls 759-EMC Motor Applications:

  • Continuously variable speed ECM motors
  • Walk-in and reach-in coolers and freezers

Hoffman Controls 759-EMC Motor Features:

  • Optimally varies the speed of the evaporator fan motor
  • Automatically adjusts to thermostat settings and the refrigeration cycle
  • Simple installation does not require changes to thermostat or compressor wiring
  • No programming or set-up necessary for basic operation
  • Adjustable maximum and minimum fan speeds
  • LED indicators for error conditions and normal operation indication
  • PWM and 0-10V outputs for control of ECM Motors
  • Up to 12 motors may be controlled simultaneously
  • Override button allows bypass of control to keep fans at maximum speed
  • Frost detection for medium temperature applications sets fan to maximum speed
  • External alarm dry contract relay for error conditions

 

Specification PDF

Hoffman Controls

Additional information

Weight 4 lbs
Dimensions 10 × 10 × 10 in
Manufacturer Part Number

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