Johnson Controls | Building Automation and Controls

From condensing units to greenhouses – optimize a wide range of applications with PENN System 450 Modular Electronic Controls

For nearly over a century, PENN has helped people control the things that are important to them. With System 450, now you can get hundreds of control options and flexibility from a small suite of control modules.

System 450 is a family of modular, digital electronic controls that are easy to assemble and set up for reliable temperature, pressure, and humidity control. This allows System 450 to handle a variety of multi-condition applications such as wine cellars, greenhouses, swimming pools, and spas.

Standard controls and reset controls can be used as standalone devices, or in conjunction with expansion modules, to control a wide range of single-stage, multi-stage, and proportional refrigeration, HVAC, and industrial applications.

Features and Benefits of PENN System 450 include:

3-year limited warranty
Control temperature, pressure, and humidity simultaneously
Superior sensors for greater accuracy
Expandable based on application needs –
- Up to 3 sensor inputs
- Up to 10 on/off or proportional outputs
Wide variety of control capabilities
- On/off relay control
- Proportional control
- Differential control
- Reset control
- Many more
Remotely monitor and control the entire system with the Ethernet module
UL, cUL, C-Tick, RoHS compliant

New System 450 C450CCU Application-Specific Controller

The newest addition to the System 450 family, the C450CCU controller, is ideal for walk-in coolers/freezers and large display cases.

The C450CCU combines the functions of a space temperature control, defrost time clock, defrost temperature termination control, fan delay switch, and pump-down control. This provides refrigeration equipment OEMs and service contractors with an affordable alternative to electromechanical controls with the added benefit of System 450’s accurate temperature sensing and control, fail-safe modules, and alarm functions.