Danfoss controller optimizes food case/cold room energy

Originally published: 09.25.12 by


Danfoss has introduced its ADAP-KOOL AK-CC 550 case/room controller, which the company says makes it easy to set up and optimize energy for cold storage rooms and food cases.

“Setting up different cases or cold rooms to be as energy efficient as possible can be a challenge due to all the variables,” explained Jason Paquette, marketing manager, Danfoss Refrigeration & Air Conditioning. “The AK-CC 550 makes it easy to optimize energy using predefined application types to adapt to different refrigeration case or cold room configurations.”

The AK-CC 550 controller uses predefined settings to configure input and outputs to interface with up to 10 different applications. Eight applications include display cases or cold storage rooms with one valve, one evaporator and one refrigeration section. Other applications cover configurations for one valve, two refrigeration sections and one or two evaporators. 

Controller features include day/night thermostat, product sensor inputs with separate alarm limits, adaptive control of superheat and adaptive defrosting control based on evaporator performance, defrost with electric, natural or hot gas, fan pulsing, rail heat control via day/night load or dewpoint, case cleaning and control of two compressors.

An external display can be directly connected with a built-in plug. MODBUS communications is standard. TCP/IP and LonWorks protocols are supported with optional communication cards. The compact controller weighs 0.9 pounds and can be DIN-rail or wall-mounted.

For more information: www.danfoss.us

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