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Hoffman Controls 880-20 EC Head Pressure Control

$ 123.90

These electronic head pressure controls modulate condenser fan motor speed thereby varying the air volume through the condenser. The control monitors the head pressure by sensing the sub-cooled liquid line temperature or pressure.

SKU: HC000-00022 Category: Tag:

Description

The Hoffman Controls 880-20 electronic head pressure controls modulate condenser fan motor speed thereby varying the air volume through the condenser. The control monitors the head pressure by sensing the sub-cooled liquid line temperature or pressure.

Hoffman Controls 880-20 Applications:

Typically utilized on continuously variable speed condenser fan motors (ECM or VFD) in air conditioning and refrigeration systems. Use the 880-20 Model for control of single motor condenser applications when using up to two temperature sensors of liquid lines. Use the 880-90 Model for control of multiple motors, up to three temperature sensors or three pressure sensors or a 0-10 VDC input. The 880-90 also provides serial Modbus capability if the user desires to read or set any operating parameters remotely. Both models provide PWM, 0-10 VDC, and 10-0 VDC outputs for control of the variable speed fan motors.
Applicable Motors
  • ECM (brushless dc) Motors
  • Variable Frequency Drive (VFD) Motors

Hoffman Controls 880-20 Features:

  • Improves system performance while saving energy
  • Non-invasive sensor requires no system penetration
  • Eliminates compressor slugging
  • Sensing is independent of all refrigerant types

Typical Installations:

  • Commercial A/C
  • Computer rooms
  • Hospitals
  • Grocery and convenience stores
  • Frozen food storage
  • Humidity or temperature sensitive environments
  • Cooling tower fans, glycol coolers
  • Liquid heat exchangers

Additional information

Weight 1 lbs
Dimensions 10 × 10 × 10 in
Manufacturer Part Number

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