Distech Controls ECL-10 LONWORKS VAV Controller

Description

Key Technical Specifications

Product Introduction & Supply Chain Strategy

The Distech Controls ECL-10 is a compact, programmable LONWORKS terminal controller engineered for variable air volume (VAV) boxes, fan coil units, and zone-level HVAC management. Communicating via an FTT-10A transceiver, it seamlessly integrates into LonMark-compliant building automation networks to regulate damper actuators, heating coils, and fan speed stages.

Performance Automation Solutions

Sourcing the ECL-10 as New Surplus ensures operational continuity for existing LONWORKS building management systems (BMS) without incurring the astronomical costs of converting whole facility networks to BACnet/IP. Replacing a failed terminal controller with verified New Surplus preserves original system bindings, node configurations, and network topology. Unlike used or pull-out parts that suffer from degraded electrolytic power filter capacitors or worn relay contacts, our New Surplus ECL-10 units guarantee full service life, complete EEPROM stability, and immediate field availability.

ECL-10

ECL-10

Installation & Configuration Guide

Stage 1: Pre-Installation (Prep & Safety)

1. Lock-Out/Tag-Out (LOTO): Isolate the 24 VAC transformer feed supplying the controller enclosure before touching any terminal connections.
2. Static Protection: Put on an ESD wrist strap connected to panel ground before removing the ECL-10 from its anti-static bag.
3. Documentation: Record the 12-digit Neuron ID barcode printed on the ECL-10 chassis label. Photograph existing field wiring and terminal jumper positions on the module being swapped out.

Stage 2: Removal

1. Unplug the removable terminal blocks for power, inputs, outputs, and the LONWORKS communication bus.
2. Unclip or unbolt the controller from the DIN rail or enclosure mounting plate.

Stage 3: Installation (Clone & Seat)

1. Snap the new controller firmly onto the 35 mm DIN rail or secure it to the panel backplate with mounting screws.
2. Reattach the terminal blocks, verifying that 24 VAC hot/common, sensor wiring, and LonTalk polarity (FTT-10A non-polarized) match original panel schematics.
3. Check that input selection jumpers (if equipped) are set correctly for thermistor vs. voltage inputs.

Stage 4: Power-On & Testing

1. Apply 24 VAC power. Verify that the power LED stays lit solid green and the LON status LED blinks during bootup.
2. Use LonMaker, LNS Commissioning Tool, or EC-Net software to replace the old controller node in the system database using the recorded Neuron ID.
3. Download the target .APB or .XIF application logic file and test point overrides (damper positioning, heating valve output) to confirm proper actuator drive.

Firmware/Software Versions & Upgrade Notes

• Programming Tool Compatibility: Fully programmable via Distech Controls EC-gfxProgram or legacy LNS plug-ins.
• Network Integration File: Requires the specific .XIF (External Interface File) corresponding to the controller’s loaded application program for proper binding in LNS LonWorks networks.
• Firmware Lineage Warning: Do not interrupt power or communication during an LNS application file download. Ensure the replacement controller’s internal flash memory revision matches or exceeds the legacy node software specification to prevent network binding mismatches.

Frequently Asked Questions (FAQ)

1. Is this Distech Controls unit brand new, or is it pulled/refurbished?

This unit is 100% Original New Surplus. It has never been commissioned on a field network, mounted in a plenum box, or energized in a building automation system. It is preserved in factory anti-static packaging and inspected for zero wear on terminal pins.

2. Why should I buy New Surplus instead of refurbishing or migrating my system?

Refurbishing legacy controllers carries high failure risks due to aged terminal blocks and internal power supply components. Migrating a LONWORKS controller zone to modern BACnet/IP typically requires replacing network routers, software licenses, and adjacent controllers. Purchasing New Surplus hardware provides a direct, drop-in replacement that eliminates downtime and saves thousands in re-engineering fees.

3. Does the come pre-programmed for my specific VAV box?

No, factory-new and New Surplus controllers ship with default base firmware or unassigned LNS templates. You must download your facility’s custom application program (.APB file) using LNS tools or EC-Net to configure specific I/O behavior and control loops.

4. What communication interface does the use?

The communicates over an FTT-10A Free Topology transceiver at 78 kbps using the LonTalk protocol. It is LonMark certified for inter-compatibility across standard LONWORKS networks.

Performance Automation Solutions

5. What warranty coverage is provided with this controller?

We support this New Surplus Distech Controls with a full 1-year functional warranty. Every controller is verified for physical condition, terminal integrity, and power-up operation prior to dispatch.