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
|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|
|Brochure||Optyma Control cut sheet||English||Multiple||10 Feb, 2021||1.3 MB|
|Catalog||Quick Select Guide 2020||English||Multiple||08 Apr, 2020||12.6 MB|
|Installation guide||Temperature controller for walk-in coolers and freezers, Type AK-RC 251||English; Spanish, Castilian||Multiple||22 Feb, 2021||2.8 MB|
|User guide||Temperature controller for walk-in coolers and freezers, Type AK-RC 251||English||Multiple||03 Feb, 2021||4.1 MB|
|User guide||Temperature controller for walk-in coolers and freezers, Type AK-RC 251||Spanish, Castilian||Multiple||03 Feb, 2021||4.2 MB|
Introducing the Optyma™ Control, AK-RC 251 electronic temperature controller
Basic circuitry and wiring of the Optyma™ Control, AK-RC 251 electronic temperature controller
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.