TC3B21N7V-000C Johnson Controls Refrigeration Controller

Overview

The Johnson Controls TC3B21N7V-000C is a panel-mount refrigeration controller from the TC3B Series, designed to provide energy-efficient, multifunctional, and programmable temperature control for self-contained refrigeration systems. It integrates temperature control, digital temperature readout, and defrost timer functionality into a single device. This model operates at 230 VAC and features a standard large red LED display with a water-resistant capacitive touch user interface.

Features

• Patented capacitive touch user interface for a modern design and flat, easily cleanable front surface.
• Eliminate common failure points associated with electromechanical keys, ensuring a reliable, long-life operation.
• Facilitates comprehensive defrost management for hot gas or electric heat defrost, with options for time-based or temperature-based defrost termination.
• Offers adaptive defrost by monitoring evaporator coil heat transfer performance to initiate defrost cycles based on system demand.
• Built-in active power line monitoring for compressor protection to optimize cycling.
• Compatible with the TC3KEY programming key for automated device configuration storage and replication.
• Support for an external NTC cabinet probe and a configurable input function (door switch or auxiliary probe).

Specifications

• Model: TC3B21N7V-000C
• Brand: Johnson Controls / PENN
• Power Supply: 230 VAC
• Inputs: 2 inputs (Cabinet probe NTC, door switch or multi-purpose input)
• Outputs: 1 relay output (Cooling or heating operation)
• Communication: No communication capabilities built-in
• Front Panel Protection: IP65 rating (water-resistant UI)
• Display: Large red LED display
• Temperature Sensor: One EVTPN615F200-1C sensor included

Applications

• Commercial refrigerated cabinets and display cases.
• Self-contained refrigeration units requiring energy-saving strategies.
• Food service and cold storage applications requiring precise temperature monitoring, defrost cycling, and alarm management.