Johnson Controls C550CCN-001 System 550 Control Module with A2L Refrigerant Leak Detection

The Johnson Controls C550CCN-001 is a digital electronic control module with A2L refrigerant leak sensing and mitigation designed for commercial refrigeration and HVAC applications. This advanced System 550 control module provides comprehensive monitoring and control capabilities while ensuring compliance with current A2L refrigerant safety regulations.

Key Features:

• Three sensor inputs, two relay outputs, A2L refrigeration leak sensing and mitigation, optional wireless connectivity
• Any combination of up to three temperature, humidity, or pressure sensor inputs
• Up to six A2L sensors can be connected to a C550CCN control module, and up to 10 relay and/or analog outputs can be added through plug-in expansion modules without the need for field wiring
• 0-10 VDC output with LCD dot-matrix full-character display with adjustable backlight
• Set point range of -40°F to 150°F (-40°C to 66°C)
• Full-character display and rotary encoder dial to simplify menu navigation and allow for customized sensor and output naming with quick-access feature for easy set-point changes
• Optional Controls System Cloud connectivity for remote monitoring and SMS text and email alerts

Applications:

• Heating and cooling control
• Staged boiler or chiller control
• Temperature damper actuator control
• Humidification and dehumidification control
• Combination temperature and humidity control
• A2L refrigerant leak detection systems for commercial refrigeration

Specifications:

• Supply Voltage: 24 VAC nominal
• Power Consumption: 3 VA maximum
• Number of Analog Outputs: Two
• Maximum Outputs with Expansion: Ten (any combination of relay and analog)

The C550CCN-001 represents the latest in HVAC-R control technology, providing a solution for HVAC contractors and building managers for low global warming potential (GWP) A2L refrigerant regulations. The modular design allows for flexible configuration and easy installation, while the optional cloud connectivity enables real-time monitoring and proactive maintenance.