Description
Johnson Controls C450CCN-4 Standard Modular Control Overview
The Johnson Controls C450CCN-4 is a versatile standard modular control unit engineered for commercial HVAC applications. Featuring an intuitive 4-button touchpad user interface and a clear LCD display, this controller delivers straightforward commissioning and day-to-day operation. Its dual SPDT line voltage relay outputs make it well-suited for a wide range of control sequences, from simple on/off switching to more complex SPDT control strategies.
Key Features
- 4-button touchpad user interface for simple, intuitive navigation
- LCD display for clear status and setpoint visibility at a glance
- Two SPDT line voltage relay outputs for flexible SPDT control applications
- 24 Vac external supply power for easy integration with standard HVAC control systems
- 0–5 Vdc analog input compatible with humidity sensors and static pressure transducers
- Modular design supports scalable, application-specific configurations
- Compact form factor suitable for panel or field mounting
Relay Output Specifications
- Output Type: Two SPDT (Single-Pole, Double-Throw) line voltage relays
- Control Mode: SPDT switching control
Power & Signal Specifications
- Supply Voltage: 24 Vac external
- Analog Input Signal: 0–5 Vdc (for humidity sensors and static pressure transducers)
Ideal Applications
- Commercial HVAC unit control and sequencing
- Humidity monitoring and control with compatible 0–5 Vdc sensors
- Static pressure monitoring and fan control
- Building automation and energy management systems
- Retrofit and new construction control panel installations
Why Choose the Johnson Controls C450CCN-4?
As part of Johnson Controls’ proven C450 modular controller family, the C450CCN-4 combines ease of use with robust field performance. The touchpad-and-LCD interface reduces setup time, while the dual SPDT relay outputs and broad sensor input compatibility give technicians the flexibility to address a variety of HVAC control challenges. The 24 Vac power requirement aligns with standard commercial control wiring practices, simplifying installation and reducing labor costs.
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