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General| Power supply | 24 V AC/DC |
|---|---|
| Input types | Digital, Analog |
| Display | LCD |
| Digital inputs | 4 |
| Relay outputs | 2 |
| Housing material | Plastic |
| Protection class | IP20 |
| Weight | 0.5 kg |
| Communication | Modbus RTU |
Describes controller use in refrigeration and cold storage, and temperature control via sensors.
Details controller functionalities and application settings.
Explains built-in MODBUS and optional Lon RS 485 communication.
Details the three available AK-UI55 external display versions.
Lists functions like thermostat, injection control, and defrost.
Explains how superheat is measured using pressure and temperature sensors.
Details temperature registration, control, and alarm monitoring.
Explains using bands for different product temperature requirements.
Manages temperature changes and describes appliance cleaning function.
Outlines defrost methods and ways to initiate a defrost cycle.
Details start/stop methods, fan/compressor roles, and sequence.
Explains the two ways coordinated defrost can be arranged.
Explains the algorithm and details four adaptive defrost modes.
Explains adaptive mode and melt function for frost prevention.
How to control two compressors cyclically or sequentially.
Explains controlling rail heat power for energy saving via pulse control.
Parameters for fan operation, including ECO mode, pulsing, and stop conditions.
Controlling light in appliances or cold rooms, or motorised night blinds.
Automatic control of motorised night blinds linked to light function or door contact.
Configuring humidity control via humidifier or dehumidifier.
Details humidity control active during defrost and measurement methods.
Preventing excessively low temperatures by cutting off heating.
Explains the use of digital inputs DI1, DI2, and DI3 for various functions.
Closing AKV valves with an external signal for safety with compressor.
Monitors door contact for alarms or stopping refrigeration.
Overview of override functions used with Master Control functions.
Lists master control signals for various functions like defrost, light, and load management.
Outlines application examples for display cases, cabinets, and cold rooms.
Details the connection labels for the AK-CC55 Single Coil.
Lists the nine applications the controller covers.
Explains IO connections for the first application.
Details IO connections for applications 2, 3, and 4.
Details IO connections for applications 5, 6, and 7.
Details IO connections for applications 8 and 9.
Explains controller labels indicating application types.
Explains MODBUS communication and cable installation importance.
Provides info on AKV valve and external relay connections.
Information on pressure transmitter and coordinated defrost wiring.
Details the AK-UI55 external display models and cable specifications.
Details connection and use of sensors and digital inputs.
Details AO1 signal, MODBUS terminals, and DO1 connection.
Details DO configurations and display connection options.
Guidelines for cable separation and installation notes.
Provides new wiring principles and considerations for replacement.
Explains operation via data communication, direct display, app, and set display.
Explains display messages and steps for factory/OEM settings.
Overview of parameter groups and procedure for quick setup.
Table of presets for different food types.
Table of thermostat and alarm parameters.
Tables for compressor and defrost parameters.
Parameters for controlling liquid injection, superheat, and valve operation.
Parameters for display, network, sensor adjustment, factory reset.
Advanced injection control parameters.
Settings for DI inputs, light, rail heat, and application mode.
Factory reset and rail heat control modes.
Settings related to alarms, blinds, fans, refrigerants, and superheat.
Manual overrides for various components.
Override settings for valves, heating, defrost, alarms, etc.
Sets priority for various alarm types.
Readout of control state and sensor values for service.
Steps to connect app and display information.
Details the Start/Stop and Configuration menus.
Configures DO and DI settings.
Configuration for DI3, refrigerant, and sensors.
Settings for food type, defrost, and network.
Thermostat state, timing, and limit settings.
Sensor selection and night offset settings.
Settings for frost protection and air heater.
Parameters for alarm delays, limits, and sensor status.
Alarm delay settings for various conditions.
Parameters for controlling humidity.
Sensor limits and humidity control during defrost.
Parameters for controlling liquid injection, superheat, and valve operation.
Defrost status, sensors, duration, adaptive state, and counts.
Commands, methods, limits, and timing for defrost.
Settings for defrost timing, pump down, hot gas delay, fan control.
Selects adaptive defrost mode.
Sets defrost start times and daily schedules.
Parameters for compressor operation.
Parameters for fan operation.
Parameters for rail heat control.
PWM period time and dewpoint limits for rail heat.
Parameters for controlling light, blinds, and case cleaning.
Parameters for controlling display readout and selection.
Sensor signal and readout correction.
Sets priority for alarms to activate the alarm relay.
Sets priority for various alarm types.
Codes, network settings, and sensor corrections.
Reset options and advanced injection control parameters.
Parameters for advanced adaptive defrost control.
Parameters for master control functions.
Master control signals for various functions.
Explains fault messages and their meanings.
Lists fault messages and their descriptions.
Defines how individual alarms importance can be defined.
Lists various control states and their descriptions.
Details electrical specs, sensors, and IO.
Provides functional data, environmental specs, and physical dimensions.
Lists certifications for controllers, displays, and option modules.
Notes on CB certificate, deviations, and relay testing.
Compliance statements for FCC and Industry Canada.
Information on Product Store, Technical Docs, Learning, Local Support.
Information about the app and download links.
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