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Data sheet ECL Comfort 310 controller, Remote Control Units ECA 30 / 31 and Application keys

VD.KT.X3.02 © Danfoss 04/2015

DEN-SMT/DK

Description (continued)

The enclosure is designed for mounting on wall

and DIN rail. A variant ECL Comfort 310B (without

display and dial) is available. It can be used for

mounting inside a panel and is operated by means

of the RCU ECA 30 / 31 which can be placed in front

of the panel.

The ECL Comfort 310 can work as a stand-alone

controller and communicate with up to two RCUs

and an extension module ECA 32 with additional

inputs / outputs.

The ECL Comfort 310 can also work with up to 2 x

RCUs, ECA 32 and other ECL Comfort 210 / 310

controllers via the ECL 485 communication bus.

Ethernet connection is integrated in the controller.

Furthermore, Modbus communication to SCADA

systems (Supervisory Control and Data Acquisition)

and M-bus communication to heat meters are

integrated.

ECL Application Key and applications:

Dierent ECL Application Keys make it easy for the

ECL Comfort 310 hardware to run dierent

applications. The ECL Comfort 310 controller is

loaded with the desired application by means of

the ECL Application Key, which contains

information about applications (basic application

sketches are shown in the display), languages and

factory settings.

The ECL Application Keys, series A2xx can be used

in ECL Comfort 210 and ECL Comfort 310. Most of

the A2xx application keys give extended

functionalities when used in ECL Comfort 310, such

as additional temperature sensors and M-bus

communication.

The ECL Application Keys, series 3xx can be used

in ECL Comfort 310 only.

The application parameters are stored in the

controller and are not aected by power break.

The relevant ECL Application Keys for the ECL

Comfort 210 / 310 controller can be found in the

ordering section.

Remote Control Unit (RCU):

The RCUs ECA 30 and ECA 31 are used for room

temperature control and override of the ECL

Comfort 310. The display has backlight. The RCUs

are connected to the ECL Comfort controllers by

means of 2 × twisted pair cable for communication

and power supply (ECL 485 communication bus).

The ECA 30 / 31 has a built-in room temperature

sensor. An external room temperature sensor can

be connected substituting the built-in temperature

sensor.

Furthermore, the ECA 31 has a built-in relative

humidity sensor and the signal is used in relevant

applications. It is possible to connect up to 2 RCUs

on the ECL 485 communication bus. One RCU can

monitor max. 10 ECL Comfort controllers (master/

slave system).

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