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Why the KE2 LowTemp is better than a time clock & thermostat (FAQ: walk in freezers)

KE2 Low Temp + Defrost

Combines thermostat, air/electric defrost timeclock, and fan delay in a single convenient controller. For walk-ins, truck stock, and more.
  • Specifications
Electronic controller for low & medium temp refrigeration applications with air or electric defrost. Serves the function of multiple components: thermostat, fan delay, defrost time clock & termination device, making it ideal for truck stock. Unique KE2 Therm fan management allows tighter temperature control and saves energy.  Built-in buzzer for alarms may be turned on or off.  Digital inputs for door switch, system off, and more.  Protects the compressor by limiting the number of starts per hour.  Remote access, data logging, and alert notifications are available when used with a KE2-EM. 

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Product Type Temperature and Defrost Controls
Min. Operating Temp. (F) -40
Max. Operating Temp. (F) 140
Compliance Listing CA Title 24
Regulatory Listing cRUus
Voltage Rating 120, 208-240
Alarm Option Display, Buzzer, 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
Fan Motor Control KE2 Adaptive Fan Management, Fixed Speed
Defrost Type Air, Electric
Defrost Initiation Time
Valve Control Thermostatic Expansion Valve (TEV)
Application Type Walk-in Cooler, Walk-in Freezer, Reach-in Freezer, Refrigerated Showcase
Part Number 2100380, 2200714, 8400427, 8400428, 21917, 20903, 20968

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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 Condensed Quick Start Guide – KE2 Low Temp + Defrost // Q.3.67 6/1/2019 View
    Installation Instructions Quick Start Guide – KE2 Low Temp + Defrost // Q.3.29 12/1/2022 View
    User Manual Controller Navigation & Menus – KE2 Low Temp + Defrost // A.1.68 6/1/2014 View
    User Manual Webpage Screens – KE2 Therm Serial Controllers // Q.3.47 11/1/2016 View
  • Utility Rebate Search

  • Replacement Parts

  • Confidential Documents

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

    Document Type Document Title Description Updated View
    Brochures General Information Bulletin – KE2 Low Temp + Defrost // B.3.5 1/1/2023 View
  • Archived Documents

  • Need Product Assistance? (e.g. How to Buy, Technical Support, Warranty)

    Customer Support

    Acuity Brands is dedicated to providing outstanding customer support. Please click on the appropriate link below.

    For immediate support, call: 800‑705‑SERV (7378)

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