PENN Controls Products Catalog

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System 450 Reset Control Modules with Real- Time Clock and Relay Output Description System 450 ™ is a family of modular, digital electronic controls that is easily assembled and set up to provide reliable temperature, pressure, and humidity control for a wide variety of HVAC/R applications, commercial process applications, and industrial process applications. The System 450 control system is designed to replace System 350 ™ and System 27 control systems, and to provide many additional features and benefits with fewer than twenty model variations. System 450 control modules provide a field- configurable out-of-the-box solution. Most System 450 control modules can control temperature, pressure, and humidity systems simultaneously. A single C450 control module can be set up as a stand-alone control or connected to expansion modules to control up to ten On/Off relay and proportional analog outputs, based on any of the three available inputs. System 450 reset control modules provide many of the features of the standard models for temperature and humidity control. In addition, these modules provide setpoint reset, real-time setback scheduling, and run-time balancing (equal run time) capability. Refer to the following documents for important product application information: • System 450 ™ Series Modular Controls Product Bulletin (LIT-12011458) • System 450 ™ Series Modular Control Systems with Reset Control Modules Technical Bulletin (LIT-12011842) • System 450 ™ Series Reset Control Modules with Real-Time Clock and Relay Output Installation Instructions (Part No. 24-7664-2888) Features and benefits Durable, Compact, Interchangeable Modular Components with Plug-Together Connectors and DIN Rail or Direct Wall Mount Capability Eliminate field wiring between modules and allow you to quickly and easily design, assemble, install, and upgrade your control systems. Versatile, Multipurpose, Field-Configurable Control Modules and Expansion Modules Designed for Global Use Allow you to create a wide variety of application- specific control systems capable of controlling temperature, pressure, or humidity, or all three conditions simultaneously, with only a small suite of module models. 307

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