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Danfoss ADAP-KOOL AK-PC 572

Danfoss ADAP-KOOL AK-PC 572
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Capacity controller for CO
mini pack
AK-PC 572
User Guide
ADAP-KOOL® Refrigeration Control System
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Danfoss ADAP-KOOL AK-PC 572 Specifications

General IconGeneral
BrandDanfoss
ModelADAP-KOOL AK-PC 572
CategoryController
LanguageEnglish

Summary

Introduction

Application

Controller use for capacity regulation of compressors and gas coolers.

Advantages

Benefits including energy savings and simplified settings.

Operation

Daily operation setup, display adjustments, and password protection.

Suction Group

Compressor types

Types of compressors supported for regulation.

Capacity regulation

How cut-in capacity is controlled by pressure and reference.

The reference

Setting the reference point for control and potential offsets.

Load shedding

Function to limit maximum permissible compressor capacity.

Gas cooler

Fan control

Speed control of fans by controller's analog output.

Regulation

Controller regulates gas cooler pressure for optimal COP.

Maximum COP control

Maintaining optimum pressure in the transcritical area.

Reference

Control using variable references based on outdoor temperature.

Control status

Status of the condenser circuit.

Control settings

Settings for Vhp control mode and manual capacity.

Vhp Easy PI

PI regulation reaction speed for Vhp control.

Heat recovery

Configuration for heat recovery cycle start.

Fan configuration

Settings for fan start, min, max, and absolute max speed.

Fan status

Reading fan speed, start/stop, runtime, and cycles.

Heat recovery

Receiver control

Controlling receiver pressure to a desired reference point.

Hot gas dump

Function to pass hot gas to the receiver if pressure approaches a limit.

AUX functions and limitations

AUX1-DI and -DO

Shares input/output with MT compressor, used for alarm or other functions.

Safety functions

Control optimisation

Continuous registration and adjustment of system pressures for optimal efficiency.

Min.max. suction pressure Po

Monitoring suction pressure and actions on limit violations.

LP switch

On/off signal for low-pressure switch, stops compressors.

HP switch

On/off signal for high-pressure switch, stops compressors.

Min.max superheating via Ss and Po measurement

Monitoring superheating and generating alarms on limits.

Sensor failure

Handling of sensor failures and resulting system behavior.

Set-up overview

Configuration

Compressor mode

Setting the type of compressor for regulation.

Receiver

Safety monitoring

Safety limits for PoMT, superheat, and discharge temperature.

Aux. functions

IO Manual Control

Alarm priorities

Setting priority levels for different alarm types.

Alarm list

General alarms

List of general alarms and their reasons.

Suction MT alarms

Alarms specific to the MT suction group.

Suction LT alarms

Alarms specific to the LT suction group.

Gas cooler alarms

Alarms related to the gas cooler.

Addresses of the valve modules

Connections

Installation considerations

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