Danfoss ECL Comfort 110 User Manual

VI.KT.G6.02
38 | © Danfoss | 2016.05
Installation
Terminal Description Type (recomm.)
1 and 2 S1 Outdoor temperature sensor ESMT
3 and 4 S3 Flow temperature sensor* ESM-11 / ESMC / ESMU
5 and 6 S4 Return temperature sensor ESM-11 / ESMC / ESMU
7 and 8 S2 Room temperature sensor ESM-10
8 and 9 ECL BUS, connections for room panel /
remote control
ECA 61
10 Not to be used
11 and 12 Ext. override
*
The sensor must always be connected in order to have the desired functionality. If the sensor is
not connected or the cable is short-circuited, the motorized control valve closes (safety function).
Wire cross section for sensor connections: 0.4 - 0.75 mm
2
Total cable length: Max. 125 m (all sensors incl. the ECL BUS)
Cable lengths of more than 125 m may cause noise sensibility (EMC).
Connecting the temperature sensors and the ECL BUS

Danfoss ECL Comfort 110 Specifications

General

Communication Protocol	Modbus RTU
Display Type	LCD
Mounting Type	DIN rail
Digital inputs	4
Relay outputs	2
Analog inputs	2
Enclosure rating	IP20
Power Supply	24 V AC or 24 V DC
Temperature Range	0 to 50 °C
Application	Heating systems
Inputs	Pt1000
Outputs	Relay
Operating Temperature	0 to 50 °C
Storage Temperature	-20 to 60 °C