Distech Controls ECL-VAV User Manual

User Guide
Network Guide

Distech Controls ECL-VAV Specifications

General

Model	ECL-VAV
Controller Type	VAV Controller
Input Voltage	24 VAC
Communication Protocol	BACnet MS/TP
Operating Temperature	0°C to 50°C
Enclosure Rating	IP20

Summary

Chapter 2: BACnet MS/TP Communication Data Bus Fundamentals

BACnet MS/TP Data Transmission Essentials

Covers the fundamental principles of BACnet MS/TP data bus transmission.

BACnet MS/TP Data Bus is Polarity Sensitive

Explains the importance of respecting polarity in BACnet MS/TP data bus connections.

Maximum Number of BACnet MS/TP Devices on a Data Bus Segment and Baud Rate

Data Bus Segment MAC Address Range for BACnet MS/TP Devices

Device Addressing

Transformer Selection and Determining the Maximum Power Run Length

Chapter 3: LonWorks Communication Bus Fundamentals

Power Supply Requirements for 24V Controllers

Outlines power supply requirements for 24V LonWorks controllers.

Chapter 4: Subnetwork Installation Guidelines

Setting the Subnet ID Addressing for Room Devices

ECx-4XX I/O Extension Module Addressing

Chapter 5: Controller Installation and Maintenance Tasks with an Allure EC-Smart-Vue Sensor

Commissioning a Controller with an Allure EC-Smart-Vue Sensor

Covers the process of commissioning controllers using an Allure EC-Smart-Vue sensor.

Setting the Allure EC-Smart-Vue Sensor's Subnet ID Address

Setting the Baud Rate for ECB-Series Controllers (optional)

LAN through an Allure EC-Smart-Vue Sensor for a BACnet Network

Chapter 6: BACnet Troubleshooting

Troubleshooting ECB Device Symptoms

Lists common symptoms, causes, and solutions for ECB devices.

Chapter 7: LonWorks Troubleshooting

Troubleshooting ECL Device Symptoms

Lists common symptoms, causes, and solutions for ECL devices.

Device does not communicate on the LONWORKS MS/TP network

Troubleshoots communication issues on LonWorks MS/TP networks.

Chapter 8: ECx-4XX Series I/O Extension Module Specific Troubleshooting

Troubleshooting ECx-4XX Series I/O Extension Module Device Specific Symptoms

Lists symptoms, causes, and solutions specific to ECx-4XX modules.

Device does not communicate on the BACnet MS/TP network

Troubleshoots communication failures for ECx-4XX devices.

Chapter 9: Allure EC-Smart-Vue Sensor Troubleshooting

Troubleshooting Allure EC-Smart-Vue Sensor Symptoms

Lists symptoms, causes, and solutions for Allure EC-Smart-Vue sensor issues.

Allure EC-Smart-Vue sensor screen is blank & back light is off

Troubleshoots a blank sensor screen with backlight on.

Device is not communicating with controller

Addresses communication issues between the sensor and controller.

Error code interpretation for Allure EC-Smart-Vue Sensor Symptoms

Chapter 10: ECx-Light/Blind Series Troubleshooting

Troubleshooting ECx-Light / Blind Series Symptoms

Lists symptoms, causes, and solutions for ECx-Light/Blind series issues.

Expansion module is not communicating with controller

Troubleshoots communication failures for expansion modules.

Hardware input is not reading the correct value