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.
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
When building or upgrading a walk-in cooler or freezer, Danfoss ensures yours reaches high efficiency with low GWP and minimal carbon footprint.
Go inside sustainable walk-ins
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.
Try Coolselector®2 now
Built to reduce installation and maintenance costs, these smart designs and components save valuable time and money while making production even more efficient with the minimum impact on the neighborhood.