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KE2 Temp + Valve Control

Thermostat & air defrost controller that also drives an EEV. Alternate modes can drive an EEPR or EHGP valve to control pressure or temp.
  • Overview
  • Specifications
The KE2 Temp + Valve Control replaces the thermostat and defrost time clock for air defrost applications, simplifying the installation. In addition, the controller has the ability to drive an electric expansion valve (EEV) to control superheat, or an electric evaporator pressure regulator (EEPR) or electric hot gas bypass (EHGB) valve to control to a specific temperature or pressure. Subcool mode allows the KE2 Temp + Valve to be applied to a mechanical subcooler, modulating an EEV to control the liquid temperature of the refrigerant leaving the brazed plate heat exchanger.
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Product Type Temperature and Defrost Controls
Min. Operating Temp. (F) -40
Max. Operating Temp. (F) 140
Regulatory Listing cRUus
Voltage Rating 100-240
Alarm Option Display, Email with KE2-EM, Text with KE2 SmartAccess
Communication KE2 SmartAccess with KE2-EM, BACnet/IP with KE2-EM, Modbus RTU
Datalogging 365+ Days with KE2-EM
Defrost Type Air
Defrost Initiation Time
Refrigerants R-22, R-134a, R-404A, R-407A, R-407C, R-410A, R-717, R-422A, R-422D, R-507, R-448A, R-449A, R-450A, R-438A, R-408A, R-409A, R-407F, R-744, R-513A, R-458A
Valve Control Thermostatic Expansion Valve (TEV), Electric Expansion Valve (EEV), Electric Evap. Pressure Regulator (EEPR), Electric Hot Gas Bypass (EHGB)
Application Type Walk-in Cooler, Undercounter, Reach-in Cooler, Commercial Refrigerator, Superheat Control, Mechanical Subcooler, Refrigerated Showcase
Part Number 21393, 21301, 21844, 21744, 21745, 21746, 21821, 21845, 21846

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  • Suggested Replacement Products

PRODUCT INFORMATION

  • Spec Sheets

  • Photometry & Revit (BIM)

    CLICK HERE to start your request for a BIM Model or IES file.
  • Spectral Data Sheets

  • Guideline Specifications

  • Revit Component Files (Non-Illuminated)

  • Technical Documents (e.g. Instruction Sheets, MSDS, CAD)

    Document Type Document Title Description Updated View
    Installation Instructions Quick Start Guide – KE2 Temp + Valve Control // Q.3.49 1/1/2023 View
    Installation Instructions Condensed Quick Start Guide – KE2 Temp + Valve Control // Q.3.66 6/1/2021 View
    Installation Instructions Condensed Quick Start Guide – KE2 Temp + Valve Control EEV Retrofit Kit // Q.9.70 1/1/2020 View
    User Manual Webpage Screens – KE2 Therm Serial Controllers // Q.3.47 11/1/2016 View
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  • Confidential Documents

  • Marketing Material (e.g. Brochures, Sell Sheets, FAQs)

    Document Type Document Title Description Updated View
    Brochures General Product Information – KE2 Temp + Valve Control EEV Retrofit Kit // A.9.106 10/1/2020 View
  • Archived Documents

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    How to Buy

    Acuity Brands lighting and controls products are primarily sold through a network of agents and distributors across North America,
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    call us at 1.800.705.SERV (7378).

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