Identifying The System Type - Danfoss ECL Comfort User Manual

10a

Identifying the system type

The ECL Comfort controller is a universal controller that can
be used for various systems. Based on the shown standard
systems, it is possible to configure additional systems.
In this section you find the most frequently used systems. If
your system is not quite as shown below, find the diagram
which has the best resemblance with your system and make
your own combinations.
The functions can only be realized with ECL Comfort 300 and as
of controller version 1.04.
10.1 Unit heater system with constant room
temperature control
Control principle:
PI control of the flow temperature (S3) and P control of the
room temperature (S2). The adjusted flow temperature is
controlled by the motorized valve M1. The P1 fans are
controlled by relay R1, and the circulation pump P2 by
relay R2.
System settings
Circuit Line Description
I C
I 2
I 85
I 89
System diagrams in this instruction are principal drawings and do
not contain all components which are necessary in your systems.
Balance temperature
Temperature at S3 limit min/
max
Application selection
Relay output status R2
Recomm.
setting
60 °C
30 °C / 90 °C
0
0