Refrigeration Controller for HT applications AT1-5 Series

Product Overview

The AT1-5 Series Refrigeration Controller is a highly adaptable solution designed for high-temperature (HT) applications. It is ideal for use in various settings, including freestanding upright cabinets, counters, cold stores, plug-in display cases, control panels, and heated cabinets. This versatile controller offers advanced features and reliable performance, making it a top choice for professionals in the refrigeration industry.

Key Features

• Refrigeration and Heating Control: The AT1-5 Series allows users to select between refrigeration and heating control modes, providing flexibility for different applications. Integrated defrost functions ensure optimal performance in refrigeration settings.
• Power Supply: The controller operates on mains power, compatible with a wide range of environments and ensuring consistent operation.
• Direct Compressor Control: The device offers direct compressor control through high-power relays, with options for 16(4)A or 16(8)A relays, ensuring reliable and efficient compressor management.
• Sensor Input Flexibility: With selectable NTC10K or PTC probe inputs, the AT1-5 Series adapts to various sensor requirements, making it suitable for different environments.
• Auxiliary Output: The auxiliary output is configurable in four different operation modes, providing additional control options tailored to specific needs.
• Alarm Functions: Equipped with temperature and door open alarms, this controller ensures safety and immediate notification of any issues. An optional light control button enhances user interaction.
• Connectivity: The AT1-5 Series connects seamlessly to LAE supervisory systems, offering advanced monitoring and control capabilities.
• UL Approved: Certified by UL, the AT1-5 Series meets stringent safety and quality standards, offering peace of mind in professional applications.

Applications

The AT1-5 Series Refrigeration Controller is designed to excel in the following applications:

• Freestanding upright cabinets and counters
• Cold stores
• Plug-in display cases
• Control panels
• Heated cabinets

Whether in commercial refrigeration or specific heating applications, this controller provides robust and reliable performance.

Technical Specifications

• Control Range: The controller operates within a temperature range of -50°C to 120°C, suitable for a wide variety of refrigeration and heating applications.
• Resolution: It offers precise temperature control with a resolution of 0.1°C / 1°C, in both Celsius and Fahrenheit.
• Accuracy:

• NTC10K: < ±0.3°C (range: -40.0°C to 70.0°C)

• PTC1000: < ±0.5°C (range: -50°C to 120°C)

• Sensor Types: The controller supports NTC10K (standard model SN4B20P1/P2) and PTC1000 sensors, providing flexibility in sensor selection.
• Power Supply: Operating at 230V AC with ±10% tolerance, the controller runs on a 50-60Hz frequency and consumes only 3W of power.
• Front Protection: The AT1-5 Series is rated IP55, ensuring protection against dust and low-pressure water jets, making it suitable for demanding environments.
• Panel Cut-out Dimensions: The controller requires a panel cut-out of 71 mm x 29 mm (Width x Height) for installation.
• Operating Temperature: The controller is designed to operate in ambient temperatures ranging from -10°C to 50°C.

Model Variants

The AT1-5 Series includes several models, each designed to meet specific needs:

• AT1-5AS6E-BG
• AT1-5BS2E-BG
• AT1-5BS6E-AL

These models feature various input/output options, including:

• Thermostat control with either 16(4)A or 16(8)A relay outputs.
• Auxiliary output with a 7(2)A relay.
• Different sensor inputs for thermostat, evaporator, and door switch.
• An optional light button on the keypad for enhanced user control.

Optional Features

To cater to diverse requirements, the AT1-5 Series offers several optional features:

• Removable Screw Terminal Blocks: Available for models where the letter "S" in the code changes to "Q" (e.g., AT1-5BQ2E-BG), these blocks simplify installation and maintenance.
• 110V Power Supply Versions: Available upon request, catering to regions or applications requiring this voltage.

Enhanced Gasket Protection: An optional gasket is available for better protection between the bezel and the metal panel, ensuring durability in harsher environments.

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