EVCB - VAV Unit Controller

  • Fully configurable application specific controller
  • Native BACnet MS/TP or Modbus (selectable)
  • Connect to room thermostat via 3 wires
  • Up to 4 inputs and 6 outputs
  • Optional Auto Pressure Mode Detection
  • New Digital Room Sensors for your VAV controller
Digital Room Sensors for your EVCB Controller
  • Horizontal or vertical design
  • 3 Colour options
  • Combination VAV controller and thermostat
  • Run all control wires directly to TRO5404
  • Stand-alone
  • 24Vac
  • 2 inputs and 5 outputs
  • Combination VAV controller and thermostat
  • Run all control wires directly to TRO24
  • Stand-alone, Scheduler, or BACnet
  • 24Vac
  • 3 inputs and 6 outputs
  • EVCB

    VAV Unit
    Controller Series

    VAV Unit Controller Series

  • TDU & TRL

    Digital Room Sensors
    for the EVCB

    Digital Room Sensors for the EVCB

  • TRO54

    3x3 VAV Wall
    Mount Controller

    3x3 VAV Wall Mount Controller

  • TRO24

    2x4 VAV Wall
    Mount Controller

    2x4 VAV Wall Mount Controller

EVC - VAV Unit Controller Series
Single Duct
Dual Duct
Fan Powered Box
What's New

CO2

Native BACnet or
Modbus (selectable)

BACnet
Scheduler

Change of
Value

Firmware
Upgradeable

Priority Array

Single Duct Overview

EVCB Unit ControllerMounts on damper

MultipleControl Wires
3 Wires

EVCB CONTROLLER

  • TO1Optional TRIAC
  • TO2Optional TRIAC
  • TO3Optional TRIAC
  • TO4Optional TRIAC
  • AO1Cooling / Heating
  • AO2Cooling / Heating
  • DI1Sensor input (on/off)
  • DI2Sensor input (on/off)
  • AI1Sensor input (analog)
  • AI2Sensor input (analog)
  • A+BACnet
  • B
  • DIGITAL ROOM SENSOR
  • LOOptional differential
  • HIPressure Sensor

Details

Controller Features
  • Field configured VAV algorithms
  • Built-in actuator 70in.lb [8Nm]
  • On board differential pressure sensor (pressure independent models)
  • Manual or automatic pressure mode selection (pressure independent models)
  • Configurable Inputs
    • 2 analog inputs
    • 2 digital inputs
  • Configurable Outputs
    • 2 analog outputs
    • Up to 4 TRIAC outputs
  • Configurable PI (Proportional-Integral) function
  • Simple air balancing and commissioning via digital room sensor
  • Independent, configurable proportional control band and dead band per ramp
  • Selectable internal or external temperature sensor (10KΩ)
  • Activate output with CO2 from digital room sensor or external CO2 sensor.
  • Change over by contact or external temperature sensor
  • 24Vac operation
  • Removable, raising clamp, non-strip terminals
  • 24Vac thermal fuse for overheat protection
Network Communication
  • BACnet MS/TP or Modbus RTU (selectable via menu)
  • Select MAC address via DIP switch or via network
BACnet MS/TP
  • MS/TP @9600, 19200, 38400 or 76800 bps
  • BACnet scheduler (up to 6 events)
  • Firmware upgradeable via network
  • COV (change of value)
  • Copy and broadcast configuration to other EVCB modules via menu or network
  • Automatic baud rate detection
  • Automatic device instance configuration
Modbus RTU
  • Modbus RTU @9600, 19200, 38400 or 57600 bps
  • RTU Slave, 8 bits (configurable parity and stop bits)

Models

Pricing

Controllers

Model# Price Type Triacs Feedback
EVCB14NIT0S $ 573 Indep. 0 -
EVCB14NIT2S $ 617 Indep. 2 -
EVCB14NIT4S* $ 663 Indep. 4 -
EVCB14NDT4S* $ 573 Dep. 4 -
EVCB14NIT0SF $ 608 Indep. 0 Yes
EVCB14NIT4SF* $ 696 Indep. 4 Yes
* Includes options for "fan powered box" applications

Controller (with external motor)

Model# Price Type Triacs Feedback
EVCB14NIT4X $ 554 Indep. 4 -
EVCB14NDT4X $ 480 Dep. 4 -
Applications
  • Single duct, cooling only
  • Single duct cooling and/or heating
  • Up to 4 stage reheat and/or cool
  • Up to 4 On/Off heat and/or cool
  • Up to 4 time proportioned (TPM) heat or reheat
  • Up to 2 analog (0-10Vdc) reheat and/or cool
  • Up to 2 floating heat and/or cool
  • Pressure dependent or pressure independent
  • With or without auto changeover
  • Supply/exhaust (requires an additional EVC)
Dual Duct Overview

EVCB Controller (Slave)Mounted on hot duct damper

EVCB Controller (Master)Mounted on cold duct damper

4 Wires
3 Wires
Multiple Control Wires

Master/Slave can be configured
to mount on either cold or hot duct

EVCB CONTROLLER (SLAVE)

  • AO2Pressure sensor output
  • AI1Motor Signal input
  • LODifferential pressure sensor
  • HI
  • EVCB CONTROLLER (MASTER)

  • TO1Cooling / Heating (TRIAC)
  • TO2Cooling / Heating (TRIAC)
  • AO1Motor signal output
  • AO2Cooling / Heating (analog)
  • DI1Sensor input (on/off)
  • DI2Sensor input (on/off)
  • AI1Pressure sensor input
  • AI2Sensor input (analog)
  • A+
    B-BACnet
  • DIGITAL ROOM SENSOR
  • LOOptional differential
    HIDifferential pressure sensor

Details

Controller Features
  • Field configured VAV algorithms
  • Built-in actuator 70in. lb. [8Nm]
  • On board differential pressure sensor
  • Manual or automatic Pressure mode selection (pressure independent models)
  • Configurable Inputs
    • 2 analog inputs
    • 2 digital inputs
  • Configurable Outputs
    • 2 analog outputs
    • 2 TRIAC outputs
  • Configurable PI (Proportional-Integral) function
  • Simple air balancing and commissioning via digital room sensor
  • Activate output with CO2 from digital room sensor or external CO2 sensor or external CO2 sensor.
  • Independent, configurable proportional control band and dead band per ramp
  • Selectable internal or external temperature sensor (10KΩ)
  • 24Vac operation
  • Removable, raising clamp, non-strip terminals
  • 24Vac thermal fuse for overheat protection
Network Communication
  • BACnet MS/TP or Modbus RTU (selectable via menu)
  • Select MAC address via DIP switch or via network
BACnet MS/TP
  • MS/TP @9600, 19200, 38400 or 76800 bps
  • BACnet scheduler (up to 6 events)
  • Firmware upgradeable via network
  • COV (change of value)
  • Copy and broadcast configuration to other EVCB modules via menu or network
  • Automatic baud rate detection
  • Automatic device instance configuration
Modbus RTU
  • Modbus RTU @9600, 19200, 38400 or 57600 bps
  • RTU Slave, 8 bits (configurable parity and stop bits)

Models

Pricing

Dual Duct Controllers

Model List
Price
Type
EVCBM14NIT2S $ 647 Master Controller
EVCS14N $ 338 Slave Controller
Applications
  • Dual duct
  • Cold and hot duct monitoring
  • Cold and discharge duct monitoring
  • Hot and discharge duct monitoring
  • Pressure independent only
Fan Powered Box Overview

EVCB/VAV Unit ControllerMounts on damper

fan prowered box
Multiple Control Wires
3 Wires

EVCB CONTROLLER

  • TO1Optional TRIAC
  • TO2Optional TRIAC
  • TO3Optional TRIAC
  • TO4Optional TRIAC
  • AO1Cooling / Heating
  • AO2Fan
  • DI1Sensor input (on/off)
  • DI2Sensor input (on/off)
  • AI1Sensor input (analog)
  • AI2Sensor input (analog)
  • A+BACnet
  • B
  • DIGITAL ROOM SENSOR
  • LOOptional differential
  • HIPressure Sensor

Details

Controller Features
  • Field configured VAV algorithms
  • Built-in actuator 70in. lb. [8Nm]
  • On board differential pressure sensor
  • Manual or automatic pressure mode selection (pressure independent models)
  • Activate output with CO2 from digital room sensor or external CO2 sensor.
  • Configurable Inputs
    • 2 analog inputs
    • 2 digital inputs
  • Configurable Outputs
    • 2 analog outputs
    • 4 TRIAC outputs
  • 24Vac operation
  • Removable, raising clamp, non-strip terminals
  • 24Vac thermal fuse for overheat protection
Network Communication
  • BACnet MS/TP or Modbus RTU (selectable via menu)
  • Select MAC address via DIP switch or via network
BACnet MS/TP
  • MS/TP @9600, 19200, 38400 or 76800 bps
  • BACnet scheduler (up to 6 events)
  • Firmware upgradeable via network
  • COV (change of value)
  • Copy and broadcast configuration to other EVCB modules via menu or network
  • Automatic baud rate detection
  • Automatic device instance configuration
Modbus RTU
  • Modbus RTU @9600, 19200, 38400 or 57600 bps
  • RTU Slave, 8 bits (configurable parity and stop bits)

Models

Pricing

Controllers

Model# Price Type Triacs Feedback
EVCB14NIT4S $ 663 Indep. 4 -
EVCB14NDT4S $ 573 Dep. 4 -
EVCB14NIT4SF $ 696 Indep. 4 Yes
Applications
  • Fan Powered Box
    • Parallel or series
    • 1 speed or analog fan
  • Up to 4 stage reheat and/or cool
  • Up to 4 On/Off Heat and/or cool
  • Up to 4 time proportioned (TPM) heat or reheat
  • Up to 2 analog (0-10Vdc) Reheat and/or cool
  • Up to 2 floating heat and/or cool
TDU - Universal Digital Room Sensor

TDU Features

  • Built-in temperature sensor and optional humidity, VOC, CO2 and occupancy sensors (select models)
  • Elegant design
  • Universal wall-mount design
  • Used to configure and operate the EVCB VAV controllers
  • Simple 3-wire connection to controllers
  • Selectable Fahrenheit or Celsius scale
  • BACnet service port via on-board mini USB connector
  • Vertical or horizontal configuration

Available in a range of colours.

TDU00
TDU30
TDU60
Vertical Models Price Temp RH CO2 PIR VOC
$ 145
$ 308
$ 720
$ 250
$ 480
$ 1,120
$ 1,240
TDU10
TDU40
TDU70
Horizontal Models Price Temp RH CO2
$ 182
$ 337
$ 774
$ 620
TRL – Digital Room Sensor

Features

  • Built-in temperature sensor and optional humidity and CO2 sensors (select models)
  • Backlit LCD with simple icon and text driven menus
  • BACnet service port via on-board mini USB connector
  • Selectable Fahrenheit or Celsius scale
  • Used to configure and operate EVCB VAV Controllers
  • Simple 3-wire connection to controllers
TRL54
TRL24
Model# Price Type Temp Humidity CO2
TRL54 $ 114 3x3
TRL24 $ 136 2x4
TRLG24 $ 575 2x4
TRLH24 $ 290 2x4
TRLGH24 $ 729 2x4
Overview
EVC

TRO5404

  • AI1Ext. temp sensor
  • AI2NSB sensor
  • HR1Heating ramp 1
  • HR2Heating ramp 2(high demand)
  • CR1Cooling ramp
  • CR2Cooling ramp(high demand)
  • TPMTime proportional modulation
Also available with 3 digital outputs
TRO5404
Wall Mount Controller
Runs all control wires
directly to TRO5404

Details

Control Features
  • TRO5404
    • 4 analog outputs (2 heat / 2 cool)
    • 1 TPM output (time proportional modulation)
    • 2 sensor inputs
    • Selectable internal or external temperature sensor
    • Selectable proportional control band
  • TRO54P3X1
    • 2 analog outputs (1 heat / 1 cool)
    • 3 digital outputs
    • 2 sensor inputs
    • Selectable internal or external temperature sensor
    • Independent, configurable proportional control band and dead band per ramp
    • Changeover by contact or external sensor
Operational Features
  • 24Vac operation
  • Backlit LCD with simple icon and text driven menus
  • Selectable Fahrenheit or Celsius scale
  • "Night Set Back" mode with manual override
  • Multi level lockable access menu
  • Lockable setpoint

Models

Pricing
Model List
Price
Analog
outputs
TPM/Digital
outputs
Sensor
inputs
TRO5404 $ 180 4 1 TPM 2
TRO54P3X1 $ 193 2 3 Digital 2
Accessories
Model List
Price
Description
SCC80 $ 82 Changeover Sensor
Applications
  • Single duct, cooling only
  • Single duct cooling and/or heating
  • Up to 3 stage reheat and/or cool
  • Up to 3 On/Off Heat and/or cool
  • Up to 1 time proportioned (TPM) heat or reheat
  • Up to 4 analog (0-10Vdc) Reheat and/or cool
  • With or without auto changeover
Overview
EVC

TRO24

  • TO1TRIAC
  • TO2TRIAC
  • TO3TRIAC
  • TO4TRIAC
  • AO1Cooling / Heating
  • AO2Heating
  • AI1Sensor input (analog)
  • AI2Sensor input (analog)
  • AI3Sensor input (analog)
  • A+Optional
  • B-BACnet
TRO24
Wall Mount Controller
Runs all control wires
directly to TRO24

Details

Control Features
  • Configurable inputs and outputs
    • 4 TRIAC outputs (on/off, pulsed, or floating)
    • 2 analog outputs (0-10Vdc heat/cool)
    • 3 analog sensor inputs
  • Precise temperature control with programmable PI function
  • Selectable internal or external temperature sensor
  • Changeover by contact or external temperature sensor
  • Pressure sensor input with air flow program
  • Independent, configurable proportional control band and dead band per ramp
  • Anti-freeze protection
  • 7-day schedule (select model)
  • BACnet communication (select model)
Operational Features
  • 24Vac operation
  • Backlit LCD with simple icon and text driven menus
  • Selectable Fahrenheit or Celsius scale
  • "Night Set Back" mode with manual override
  • Multi level lockable access menu
  • Lockable setpoint
BACnet Features
  • BACnet® MS/TP @ 9600, 19200, 38400, or 76800bps
  • Selectable MAC address
  • Manual or automatic device instance configuration
  • Automatic Baud Rate Detection
  • Copy and broadcast configuration to other devices with same model #

Models

Stand-Alone Models
Model List
Price
Options
TRO24T4XYZ1 $ 345 -
TRO24T4XYZ3 $ 355 Scheduler
TRO24-EXT1 $ 345 Extended setpoint range
BACnet Models
Model List
Price
Options
TROB24T4XYZ1 $ 495 BACnet
Accessories
Model List
Price
Description
STC8 $ 61 Duct Mount Temperature Sensor
Applications
  • Single duct, cooling only
  • Single duct cooling and/or heating
  • Up to 4 stage reheat and/or cool
  • Up to 4 On/Off Heat and/or cool
  • Up to 4 time proportioned (TPM) heat or reheat
  • Up to 2 analog (0-10Vdc) Reheat and/or cool
  • Up to 2 floating heat and/or cool
  • Pressure dependent or pressure independent
  • With or without auto changeover