TC3224N9R-000C Johnson Controls Refrigeration Controller

Overview

The Johnson Controls TC3224N9R-000C is a multifunctional, programmable refrigeration controller engineered for low and medium temperature applications. It combines temperature control, digital readout, defrost cycle timing, and defrost termination functionality into a single unit. Equipped with energy-efficient microprocessor technology, it features a modern capacitive touch user interface with a high protection rating to ensure reliable, long-life operation in self-contained refrigeration systems.

Features

• Patented capacitive touch user interface provides a modern design and a flat front surface that is easy to clean.
• Water-resistant UI eliminates common points of failure associated with electromechanical keys.
• Adaptive defrost functionality monitors evaporator coil performance to optimize energy efficiency and maintain product quality.
• Active power line monitoring provides built-in compressor protection.
• Compatibility with the TC3KEY programming key allows automated configuration replication across identical devices.
• Built-in Modbus RS485 communication allows seamless integration into building automation and monitoring networks.

Specifications

• Inputs: 2 universal inputs for NTC temperature sensors (two EVTPN615F200-1C sensors included).
• Outputs: 4 relay outputs for comprehensive system management (compressor, defrost, evaporator fan, and auxiliary/lighting control).
• Power Supply: Universal supply voltage supporting 115 VAC to 230 VAC operation.
• Enclosure Rating: IP65 rated waterproof front panel protection.
• Display: Large, high-visibility red LED digital display.
• Communication: Integrated RS485 Modbus protocol.

Applications

• Commercial display cases and reach-in coolers.
• Walk-in refrigerators and low-temperature freezers.
• Self-contained refrigeration systems requiring multi-relay control and integrated defrost management.
• Environments mandating strict HACCP reporting and remote temperature monitoring.