Optyma™ Control

  • Overview
  • Documents
  • Videos
  • Software
  • Related products

Reduce installation time by up to 60% with Optyma™ Control

The Optyma™ Control AK-RC 251 is designed for safety, protection and ease of installation in walk-in coolers and freezers for both upgrades to existing walk-ins and new installations.

This electronic temperature controller eliminates the need for mechanical thermostats in cooling applications and defrost timers in freezer applications. It controls compressors, solenoid valves, defrost—including a second evaporator defrost—fans, lights and crankcase heaters.

Features and benefits

Can improve room efficiency by up to 30%

Quick set-up with easy mounting and wiring

Includes a weatherproof enclosure

Kitted with two NTC sensors (5 ft., 10 ft.)

Compatible with commonly available standard 3⁄4 in. fittings to maintain weatherproof rating

Low-GWP walk-ins

When building or upgrading a walk-in cooler or freezer, Danfoss ensures yours reaches high efficiency with low GWP and minimal carbon footprint.

Documents

Documents
Type Name Language Valid for Updated Download File type
Operating guide AK-RC 251 (Optyma Control) wiring diagram English Multiple 18 Mar, 2021 3.4 MB .pdf
Brochure Optyma Control cut sheet English Multiple 10 Feb, 2021 1.3 MB .pdf
Catalog Quick Select Guide English Multiple 18 May, 2021 14.1 MB .pdf
Installation guide Temperature controller for walk-in coolers and freezers, Type AK-RC 251 English; Spanish, Castilian Multiple 22 Feb, 2021 2.8 MB .pdf
User guide Temperature controller for walk-in coolers and freezers, Type AK-RC 251 Spanish, Castilian Multiple 03 Feb, 2021 4.2 MB .pdf
User guide Temperature controller for walk-in coolers and freezers, Type AK-RC 251 English Multiple 03 Feb, 2021 4.1 MB .pdf

Videos

Introducing the Optyma™ Control, AK-RC 251 electronic temperature controller

Basic circuitry and wiring of the Optyma™ Control, AK-RC 251 electronic temperature controller

Basic Programming of the Optyma™ Control, AK-RC 251 electronic temperature controller

Navigating extended wizard parameter menu in the Optyma™ AK-RC 251 electronic temperature controller

Software

The truth is Cool(selector®2)

Coolselector®2 features unbiased calculations for the selection of refrigeration and air conditioning components based on the user’s requirements or based on standard operating conditions.

 

Use Coolselector®2 for the technical data you need to get the job done right.

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