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The on-site conductor for smart buildings

Cloud computing meets IoT inside smart buildings. The 75F® Central Control Unit™ (CCU) acts as an aggregation gateway for the modules in the building. At the "head" of the local system, the CCU provides the primary on-site user interface for building management, complementing Web and mobile access. The CCU consists of a removable, custom tablet running Android and seated in a custom Control Mote (CM), with multiple wireless communications protocols, plus 8 wired relays and inputs/outputs for controlling HVAC, lighting and other building equipment.

The CCU interface provides cross-zone, zone-specific and equipment-specific status, real-time data graphs, and a robust set of settings and software-defined configuration capabilities through an intuitive graphic user interface.

The CCU replaces a standard thermostat and connects to the low voltage relay contacts that activate the controlled system. The user interface is upgraded remotely to accomplish new function releases.

Central Control Unit
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Communications, connectivity & control

The CCU is a combination of a custom Android tablet and control mote backplate serving as the central gateway for communications and control for all 75F product solutions and applications. The CCU provides an on-site, wall-mounted user interface to complement the included 75F Facilisight® web and mobile app software. The CCU works with single and multi-stage systems, heat pump systems, fan coil units, air handlers and variable flow hydronic systems.

Wireless Communications Protocols

  • WiFi for cloud data sync, predictive algorithmic processing and access through the 75F Facilisight software suite via desktop or mobile app 
  • Optional cellular modem as alternative to WiFi connectivity
  • 2.4 Ghz Bluetooth for easy pairing, commissioning and near-field communications with wireless devices
  • 900 Mhz Wireless mesh network provides communications across modules for system functionality, even in event of Internet outage

The 75F Smart Node includes 16 interface ports to support a wide range of I/O uses that support unlimited applications.

I/O ports included:

  • (8) digital output relays; low power 1A 
  • (4) 0-10v analog outputs
  • (2) thermistor (temperature) inputs 
  • (2) 0-10v analog inputs 

User interface function highlights

The CCU is the hub of information and management for all aspects of the building. 

  • Easy mobile pairing, configuration and settings setup
  • Zones status and comfort index dashboard
  • Schedule and setpoint adjustments
  • System run time and drill down 
  • Real-time graph of sensor inputs
  • Alerts with severity color coding

The CCU provides the user interface to setup and configure the building zones and HVAC equipment. 

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Mobile commissioning

The CCU tablet is removable from the control mote backplate, allowing mobile capabilities throughout your facility.

  • Pairs with 75F Smart Node, Smart Stat, ITM and wireless sensors
  • Commissioning setting for applications


Gateway to remote management

The CCU is the communications head for the local modules and serves as the gateway to the Internet, by which 75F Facilisight® Web and mobile software enables you to manage your entire system remotely. Remote monitoring and management capabilities include at-a-glance multi-site status and drill-down analysis, schedule and set point changes, and making changes to hundreds of buildings with a single click using our Global Policy Editor.


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