25
SYSTEM MANAGER
4
3,5
3
2,75
2,5
2,25
2
1,75
1,5
1,25
1
0,75
0,5
0,25
20
30
40
50
60
70
80
90
100
°C
30
40
50
60
70
80
90
100
°C
10
0
-10
-20
-30
°C
20
10
0
-10
-20
-30
°C
4
3,5
3
2,75
2,5
2,25
2
1,75
1,5
1,25
1
0,75
0,5
0,25
Outside temperature
Flow temperatur
e
b
Heating curve slope must only be set by the
r
Technical Assistance Service.
b
If no room units are installed, the room temperature setpoint set on the control panel simply performs a paral-
lel shift of the heating curves.
HEATING CURVE SLOPE
Error
30: CH flow 1 sensor
If any boiler ignition or operating errors are detected,
the "
n
" symbol appears on the display. Press the "
Info
"
(
i
) button to display the type of error. See also "Error/
Maintenance codes".
Only for "28/120 B" models with a remote storage
cylinder (optional)
- Press the "
v
" button to turn on DHW production. A line
appears under the DHW symbol.
- Press the "
OK
" button.
- Select "
Domestic hot water
" and press "
OK
".
- Set:
parameter 1610 "nominal setpoint"
- To set the weekly DHW timer program, select "
Time
program 4/DHW
" and press "
OK
".
Boiler temperature
- Proceed as follows to set the weekly heating program.
- Press the "
OK
" button.
- Select "
Time prog heating circuit 1
" and press "
OK
".
