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Opus® ucm.3336 BACnet® Unitary Control Module

  • ucm3336SMProduct Description

    The ucm.3336 is a direct digital controller for unitary equipment such as package rooftop HVAC units, unit ventilators, heat pumps, and package dehumidification units. It is a configurable controller that uses BACnet® communications to seamlessly integrate with other devices.
  • Application

    The versatile ucm.3336 can be configured as variety of a UVC, ETC or HPC application controllers. It’s designed for applications that require two stages of analog or digital heating/cooling control, a fan, and damper operations. The ucm.3336 communicates via BACnet to Novar’s Opus® BAS, enabling it to be easily integrated with other building control functions


    • BACnet MS/TP Communicationprotocol for easy integration
    • LED status feedback
    • Supports a wide variety of HVAC control applications
    • Analog and Digital Outputs
  • Specifications


    DIN rail mount or panel mount in any orientation using four slotted screw holes

    • Height: 5.15 inches (131mm)
    • Width: 7.50 inches (191mm)
    • Depth: 1.75 inches (45mm)
    • Weight: 0.90 lb
    Operating Environment
    • Operating Temp: -40ºF to 158ºF (-40ºC to 70º C)
    • Humidity: 0% to 95% RH, non-condensing
    Power Requirements
    • Input: 24VAC, Class 2
    • Frequency: 50/60HZ
    • Consumption: 8VA
    • Analog  Zone Temperature – 10K thermistor type 2
    • Analog  Discharge Air Temp – 10K thermistor type 2
    • Analog – Humidity (used with ETC-6 configuration only)
    • Analog – Setpoint adjustment potentiometer
    • Digital – Fan Status
    • Digital – Dirty Filter Status
    • Digital – Schedule timed override
    • 6 digital, normally open relay outputs – contacts rated for 24 VAC, 1 amp max.
    • 3 analog, 0 – 10 volt DC
    • Method: RS-485
    • Application Protocol: BACnet MS/TP
    LED Indicators
    • Output
    • Power
    • Communications
    • Schedule Status
    • UL/cUL E90949
    • UL 916 Energy Management Equipment
    • CSA C22.2, No 205-M1983, Signal Equipment
    • FCC, Part 15, Class A
    Application Requirements
    • Opus Version: 5.11 or higher
    • Application Version: 5.11 or higher
  • NameOrder Number
    UCM.3336 RTU Unitary Control Module with BACnet UCM-B-3336