TruVu™ Universal Controller

BMS & Control Carrier i-Vu Building Automation Controllers
TruVu™ Universal Controller
General Purpose Controllers

TruVu™ Universal Controller

High‑capacity, open‑protocol control for complex unitary and zone‑level HVAC applications
The TruVu™ Universal Controller (TV‑UC683T) delivers expanded I/O capacity, advanced programmability, and open communication to support demanding HVAC applications, while integrating seamlessly with the Carrier i‑Vu® Building Automation System.

TruVu™ Universal Controller

The TruVu™ Universal Controller is ideal for HVAC equipment control, advanced air quality control and most zone-level applications. The TV-UC683T features dual Ethernet ports with built-in fail-safe that supports direct connection or daisy chain topologies using BACnet/IP and 17 points of onboard control. Designed to operate in a wide range of environmental conditions, it is well suited for mechanical rooms, equipment boxes, or almost any other weather-tight location.

TruVu™ Universal Controller

Broad Application Flexibility

Designed for small AHUs, fan coils, exhaust fans, and other unitary or zone‑level HVAC systems.

Advanced Control Logic

Supports factory‑engineered programs and fully customized sequences using SNAP graphical programming.

Live System Visualization

Displays real‑time control logic and operational data to simplify commissioning, tuning, and troubleshooting.

Integrated Third‑Party Connectivity

Supports integration of up to 50 Modbus points, enabling connection to external devices and systems.

Controller Type

BACnet Advanced Application Controller (B‑AAC) and BACnet Broadcast Management Device (B‑BBMD) compliant
(BACnet 135‑2012 Annex L, Protocol Revision 14)

Communication Interfaces

Dual 10/100 Base‑T Ethernet ports (BACnet/IP), RS‑485 serial port for Modbus devices, Rnet port, USB service and expansion ports

Inputs & Outputs

8 universal inputs (dry contact, thermistor, pulse, or 0–10 VDC)
1 configurable universal output
2 analog outputs (0–10 VDC)
6 digital outputs (dry contact)

Power Requirements

24 VAC ±15% (55 VA) or 24 VDC ±10% (20 W)

Document Name Description Document Type Language Action
Installation TruVu UC683T Installation and Start-up Guide PDF English Download
Product Data TruVu™ TV-UC683T Universal Controller Product Data PDF English Download
What distinguishes the TV‑UC683T from other TruVu controllers?

It offers higher I/O capacity and native Modbus integration, making it suitable for more complex or integration‑heavy applications.

What types of HVAC systems can this controller support?

It supports a wide range of unitary and zone‑level HVAC systems, including AHUs, fan coils, and exhaust equipment.

Can this controller integrate with third‑party devices?

Yes. It supports up to 50 Modbus points, enabling communication with external equipment and meters.

How does the controller assist during commissioning?

Live logic visualization and SNAP programming allow technicians to see control behavior in real time, simplifying setup and troubleshooting.

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