The shown diagram is a fundamental and simplified
example and does not contain all components that are
necessary in heating systems.
If the system you are about to install is different than the
shown diagram of a standard heating system, feel free to
sketch an outline for comparison. Adaptation of heating
systems, See section 10.
List of components:
ECL Comfort 300
S1 Outdoor temperature sensor (ESM-10)
S2 Room temperature sensor (ESM-10)
S4 Return temperature sensor (ESM-)
S5 Boiler sensor (ESM-)
S6 Hot water sensor
P1 Circulation pump for heating
P2 Primary changing pump for hot water
P3 Burner
Installation & maintenance
The ECL Card, grey side
for installation and maintenance.
Lines A to C, and lines 1 to
7 for basic settings, see overview
section 30.
Extended service parameters,
see section 31
The ECL Card: Installer’s instruction
The grey side of the card must face you
when you change settings. For daily
use and during start-up the yellow side
of the card must face you.
Circuit indicator Circuit
selector
Shift
button
Adjustment Controller
mode
Controller mode
Manual operation (usssed only at
maintenance and service)
Automatic operation
Constant comfort temperature
Constant reduced temperature
Standby mode
Arrow buttons. Move between
the lines of the ECL Card.
Shift button. Moves between
temperatures, changeover points etc.
Adjust temperatures and values etc.
Circuit selector for changing between
heating and hot water circuit.
The circuit indicator shows the selected circuit.
The ECL Card
For daily use and your personal adjustments the yellow side
of the ECL Card must be facing you.
The display
Each line, A, B, C, 1, 2 etc. of the ECL Card has its own
display. See section 1.
Controller mode
Manual operation (Used only at
maintenance and service)
Automatic operation
Constant comfort temperature
Constant reduced temperature
Standby mode
Arrow buttons. Move between
the lines of the ECL Card.
Shift button. Moves between
temperatures, changeover points etc.
Adjust temperatures and values etc.
Circuit selector for changing between
heating and hot water circuit.
Room temperature /
Hot water circuit II
Heating system
information
Today’s programme
Day plans
A
B
C
1
2
3
4
5
6
7
Hot water - circuit IIHeating - circuit I
Line indicator
Circuit
8
0 3 6 9 12 15 18 21
0
7
0
1
3
3
2
2
1
6
6
4
4
913
0
A
2
55
6
A
5
5 036
B
1
ON
ON
2
ON
8
0 3 6 9 12 15 18 21 24
1
91
3
5
C
3
03
B
1
ON
ON
2
ON
8
0 3 6 9 12 15 18 21 24
1
55
5
C
3
6
036912
5
0
8
0 3 6 9 12 15 18 21
0
7
0