–A
–B
–C
–1
–2
–3
–4
A
B
C
Arrow
buttons
change display
(move between
the lines on the
ECL Card)
Shift button moves
between items in the
display
Minus and plus
buttons adjust values
or time
Mode selector changes
the mode of operation
Circuit
selector
changes
between
heating (I) and
DHW (II) circuits
Selecting mode
Manual operation
Scheduled operation
Comfort temperature
Setback temperature
Standby
Push to change the
mode of the controller
The arrow indicates comfort
or setback temperature
during scheduled operation
Adjusting the temperature
of the current heating period
Outdoor
temperature
Room / DHW
temperature
913-
20
Desired temperature
Push to adjust up
or down
Adjusting the temperature
of the other mode
Hold down while adjusting
with minus / plus buttons
ECL Comfort 300 quick guideECL Comfort 300 quick guide
Temperature / Mode selectionTemperature / Mode selection
*087R8240*
*VI7CA402*
Remove tape on the back.
Position on inside of
ECL Comfort cover.
ECL Comfort 300
C25, C35, C37, C47, C66
VI.7C.A4.02
2005.09
–A
–B
–C
–1
–2
–3
–4
A
B
C
Arrow
buttons
change display
(move between
the lines on the
ECL Card)
Shift button moves
between items in the
display
Minus and plus
buttons adjust values
or time
Mode selector changes
the mode of operation
Circuit
selector
changes
between
heating (I) and
DHW (II) circuits
Selecting mode
Manual operation
Scheduled operation
Comfort temperature
Setback temperature
Standby
Push to change the
mode of the controller
The arrow indicates comfort
or setback temperature
during scheduled operation
Adjusting the temperature
of the current heating period
Outdoor
temperature
Room / DHW
temperature
913-
20
Desired temperature
Push to adjust up
or down
Adjusting the temperature
of the other mode
Hold down while adjusting
with minus / plus buttons
*087R8240*
*VI7CA402*
Remove tape on the back.
Position on inside of
ECL Comfort cover.
ECL Comfort 300
C25, C35, C37, C47, C66
VI.7C.A4.02
2005.09
Changing comfort
Changeover time
00
6
0 3 6 9 12 15 18 21 24
Select changeover time
Adjust backward or forward
Removing a period
Push both at the same time
for 2 seconds
Checking your schedules
1
2
4
3
Push to move between week
day, weekend or single day
schedules
Return to display A, B or C
Adding an extra period
New period
0 3 6 9 12 15 18 21 24
Push both at the same time
Adjust the first changeover
time
Shift to second changeover
time and adjust
Restoring factory set schedules
Push both at the same
time for 2 seconds
The factory-set schedules
Heating (I)
Monday - Friday
Saturday - Sunday
6:00
16:00
8:00
-
-
-
8:00
22:00
23:00
DHW (II)
Monday - Friday
Saturday - Sunday
5:00
18:00
6:00
-
-
-
08:00
22:00
23:00
Storing a new schedule on your
ECL Card
Push to line 9: CPY
Update your ECL Card
Comfort periods / SchedulesComfort periods / Schedules
Changing comfort
Changeover time
00
6
0 3 6 9 12 15 18 21 24
Select changeover time
Adjust backward or forward
Removing a period
Push both at the same time
for 2 seconds
Adding an extra period
New period
0 3 6 9 12 15 18 21 24
Push both at the same time
Adjust the first changeover
time
Shift to second changeover
time and adjust
Restoring factory set schedules
Push both at the same
time for 2 seconds
The factory-set schedules
Heating (I)
Monday - Friday
Saturday - Sunday
6:00
16:00
8:00
-
-
-
8:00
22:00
23:00
DHW (II)
Monday - Friday
Saturday - Sunday
5:00
18:00
6:00
-
-
-
08:00
22:00
23:00
Storing a new schedule on your
ECL Card
Push to line 9: CPY
Update your ECL Card
Checking your schedules
1
2
4
3
Push to move between week
day, weekend or single day
schedules
Return to display A, B or C
Mondays
Tuesdays
Wednesdays
Thursdays
etc.…
Mondays
Tuesdays
Wednesdays
Thursdays
etc.…
/