Neptronic EVCB14NIT0S Specification And Installation Instructions

Models
EVCB14NIT0S
(0 TRIACS / pressure independent)
EVCB14NIT2S
(2 TRIACS / pressure independent)
EVCB14NIT4S
(4 TRIACS / pressure independent)

EVCB14NIT4X
(4 TRIACS / independent / external motor)
EVCB14NDT2
(2 TRIACS / pressure dependent / motor-less)
EVCB14NDT4S
(4 TRIACS / pressure dependent)
EVCB14NIT0SF
(0 TRIACS / independent / feedback)
EVCB14NIT4SF
(4 TRIACS / independent / feedback)

For use with either floating or modulating actuators
TRL54
(Thermostat 3x3)
Description
The EVCB Series is a combination controller and thermostat with
support for networked communications via the BACnet MS/TP or
Modbus protocol. The Networkable VAV Controller is designed for
simple and accurate control of any variable air volume box in a
number of zone control configurations. Its field configurable
algorithms enable versatile implementation of required control
sequences.
Typical Application
Features

Field configured VAV algorithms, inputs and outputs

Built-in actuator, 70 lb-in. (select models, not available on
EVCB14NDT2 and EVCB14NIT4X)

Control external actuators using analog (0-10Vdc, adjustable)
or floating signals with feedback (model EVCB14NIT4X)

On board differential pressure sensor (select models)

Simple air balancing and commissioning via thermostat

Automatically sets operation mode to pressure dependent or
independent based on the presence of air flow

Select direction on analog outputs

Configurable PI (Proportional-Integral) function

Independent, configurable proportional control band and dead
band per ramp

Selectable internal or external temperature sensor (10KΩ)

External CO2 sensor input with integrated logic

Changeover by contact or external temperature sensor

Internal and external temperature sensor calibration

Optional potentiometer feedback for increased precision of
actuator position

Freeze protection

Removable, raising clamp, non-strip terminals
Operational Features

Backlit LCD with simple icon and text driven menus

Select thermostat's default display

Network service port via on-board mini USB connector

Manual night set back or no occupancy override

Multi level lockable access menu and setpoint

Selectable Fahrenheit or Celsius scale

3-wire connection to controller and 4 push buttons
EVCB14N-TRL54-V410-180829-ESA
Networkable VAV Controller
Specification and Installation Instructions
EVCB Series / TRL54
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)
Network Communication

BACnet MS/TP or Modbus communication port

Select MAC address via DIP switch or via network

Automatic baud rate detection
BACnet MS/TP®

Automatic device instance configuration

Copy & broadcast configuration via thermostat menu
or via BACnet to other controllers

BACnet scheduler

Firmware upgradeable via BACnet

Support for COV (change of value)
Modbus

Modbus @ 9600, 19200, 38400 or 57600 bps

RTU Slave, 8 bits (configurable parity and stop bits)

Connects to any Modbus master
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