Danfoss ECL Comfort 120 - User Manual

Operating Guide
ECL Comfort 120 controller and app
1.0 Table of Contents
1.0 Table of Contents ............................................. 1
1.1 Important safety and product information. . .. . . . . . . . . . . . . . . . . 2
2.0 Daily use ......................................................... 4
2.1 A general overview: What do the symbols mean? . . . . . . . . . . . 4
2.2 How to navigate .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 5
2.3 Operating the ECL 120 via LED indication .. .. .. .. .. .. .. .. .. .. . 6
2.4 Operating the ECL 120 with an app . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.5 Master – slave connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.6 Application update. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 11
© Danfoss | 2022.12 AQ428842090782en-010102 | 1

Danfoss ECL Comfort 120 Specifications

General

Application	Heating and cooling control
Display	LCD with backlight
Protection Class	IP20
Type	Controller
Controller Type	Electronic
Power Supply	24 V AC
Mounting	Wall mounting
Inputs	Pt1000 temperature sensors
Outputs	Relay outputs
Operating Temperature	0 to 50 °C
Storage Temperature	-20 to +60°C

Summary

Important Safety and Product Information

General Safety and Product Information

Provides core safety instructions and general product details for the ECL Comfort 120 controller.

Safety Precautions and Disposal

Details critical safety notes, handling instructions, and proper disposal of the device.

Daily Use and Operation

Symbols and Mode Overview

Explains device symbols, LED indicators, and operating modes for daily interaction.

Navigating the Controller

Details how to select and change operation modes using buttons or the application.

Operation via LED Indication

Guide to operating the ECL 120 using LED signals and button presses for different modes.

Boost Functionality

Explains how to temporarily increase supply temperature for heating needs.

Bluetooth Pairing Procedure

Step-by-step guide to connect the controller to a smart device via Bluetooth.

Alarm and Error Indicators

Describes how the system LED indicates alarms, errors, or faults and troubleshooting steps.

Operating with the ECL GO App

Instructions for downloading, installing, and using the ECL GO mobile application.

ECL GO App Home Menu

Overview of the home menu layout and primary function selections within the ECL GO app.

Master-Slave Connectivity

Details on connecting multiple ECL controllers in a master-slave network using RS485.

Controller Application Update

Procedure for updating the controller's application software via the mobile app.