AK-PC 772 Capacity controller for small CO2 booster refr. system

AK-PC 772 is complete regulating units for capacity control of compressors and gas cooler in a small CO2 booster systems. The controller is with heat recovery function and CO2 gas pressure control.
In addition to capacity control the controllers can give signals to other controllers about the operating condition, e.g. forced closing of expansion valves, alarm signals and alarm messages.
The controller’s main function is to control compressors and gas cooler so that operation all the time takes place at the energyoptimum pressure conditions. Both suction pressure and gas pressure are controlled by signals from pressure transmitters and temperature sensors.
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Code no.


Controller type


Applicat. area

More info.

Display - option


No. of compressors max.

Analog inputs (AI)

Digital outputs (DO)

080Z0200 AK-PC 772 Pack Controller Pack w. Booster Capacity control CO2/ CO2 AK-MMI EKA 163B EKA 164B EKA 166 LON RS485 RS232 5 pc - -
080Z0201 AK-PC 772A Pack Controller Transcritical mini Booster Capacity control Transcri.,Speed,CO2,HP,HR EKA 163B EKA 164B EKA 166 MMIGRS2 LON RS485 RJ11 (CAN) to Display RS232 USB-B to PC 5 pc - -

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