Controller for Transport Refrigeration AH1-5 Series

Product Overview

The AH1-5 Series is a state-of-the-art refrigeration and heating controller designed for a wide range of applications, including refrigerated vehicles, plug-in cabinets, refrigerated display cases, and control panels. This versatile controller is equipped with a neutral band control, making it ideal for maintaining precise temperature conditions in demanding environments.

Main Features

The AH1-5 Series controller offers a host of features designed to optimize performance and efficiency in transport refrigeration systems:

• Refrigeration and Heating Control: Maintain optimal temperature levels with precise control.
• Selectable Temperature Inputs: Choose between NTC10K or PTC input for customized temperature sensing.
• Universal Power Supply: Compatible with 110-230Vac, making it adaptable to various power conditions.
• FLEXICOLD Function: Offers energy-saving capabilities or an alternative setpoint for flexible operation.
• Second Compressor or Evaporator Control: Optional feature for enhanced system functionality.
• Evaporator Fan Control: Ensures efficient operation of evaporator fans, prolonging system life.
• Integrated Alarms: Includes alarms for temperature, door open, and condenser high temperature/pressure, ensuring the system's safety and reliability.
• Light and Standby Control: Simplifies system operation with an On/Off switch.
• Connectivity: Compatible with LAE supervisory systems for remote monitoring and control.

Technical Data

The AH1-5 Series is engineered to deliver reliable performance under various environmental conditions:

• Control Range: -50 to 120°C, -55 to 240°F
• Resolution: 0.1 / 1 °C; °F for precise temperature readings
• Accuracy:

• NTC10K: <±0.3°C within the range -40.0 to 70.0°C

• PTC1000: <±0.5°C within the range -50 to 120°C

• Power Supply: Operates on 115-230V~ ±10% 50-60Hz, with a power consumption of 3W
• Front Protection: IP55 rating for superior protection against dust and moisture
• Panel Cut-Out Dimensions: 71 x 29 mm (WxH)
• Ambient Temperature Range: Operates efficiently between -10 to 50°C

Inputs and Outputs

The AH1-5 Series offers versatile input and output options to meet the demands of various refrigeration systems:

Temperature Inputs:

• Thermostat and Evaporator Sensors: Ensures accurate temperature control.

Digital Inputs:

• Door Switch Input: Provides monitoring and control of door states.
• Generic Input: Can be used for other control functions, such as defrost.

Power Supply Options:

• Voltage Options: 115-230Vac, 7-30Vdc, or 12-24Vac for compatibility with different power systems.

Output Functions:

• Thermostat Control: Manages the primary refrigeration function.
• Evaporator Fans: Controls fan operation to optimize cooling efficiency.
• Defrost Functionality: Manages defrost cycles for system efficiency.
• Auxiliary Controls: Supports additional functions like lighting or alarms.

Additional Features

The AH1-5 Series includes several additional features that enhance its functionality and ease of use:

• Alarm Buzzer: Built-in buzzer alerts to potential system issues.
• Detachable Screw Terminals: Facilitates easy installation and maintenance.
• Optional Gasket: Available for enhanced sealing between bezel and metal panel, providing better protection in harsh environments.
• Serial Ports:

• TTL Serial Port: For simple device communication.

RS-485 Serial Port: For more robust and long-distance communication requirements.

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