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–
Menu → Live Monitor
◁
If the hot water generation is working correctly, the
display shows S.24 after a few minutes.
8
Adapting the unit to the heating
installation
To reset the most important system parameters, use the
Appliance config. menu item.
Menu → Installer level Appliance config.
Or manually relaunch the installation assistant.
Menu → Installer level → Start inst. assistant
8.1
Calling up diagnostics codes
The settings options for more complex systems can be found
in the Diagnostics menu.
Menu → Installer level Diagnostics menu
Overview of diagnostics codes (→ Page 45)
You can use the parameters that are marked as adjustable
in the overview of diagnostics codes to adapt the product to
the heating installation and the needs of the customer.
▶
Press
or
to change the diagnostics code.
▶
Press
(Select) to select the parameter to change.
▶
Press
or
to change the current setting.
▶
Press (OK) to confirm your selection.
8.2
Setting the maximum heating output
The product's maximum heating output is set to Auto at the
factory. If you want to set your own fixed maximum heating
output, however, you can specify a value under D.000 which
equates to the product output in kW.
Note
If a gas conversion to liquid gas has been carried
out, the maximum heating output is higher than is
shown in the display. The correct values can be
found in the technical data.
8.3
Setting the pump overrun and pump
operating mode
You can set the pump overrun under D.001 (default setting:
5 min.).
You can use diagnostics code D.018 to set the pump operat-
ing modes Eco or Comfort.
In Comfort mode, the internal pump is switched on when the
heating flow temperature is not at Heating off ( Operating
instructions) and the heating requirement is enabled via an
external control.
Eco (default setting) is useful for removing residual heat
after hot water generation when the heat demand is ex-
tremely low and large target temperature spreads exist
between the hot water generation and heating mode target
values. This prevents living rooms from being under-sup-
plied. If there is a heat demand, the pump is switched on
every 25 minutes for 5 minutes once the overrun time has
elapsed.
0020181421_04 ecoCOMPACT Installation and maintenance instructions
Adapting the unit to the heating installation 8
8.4
Setting the maximum flow temperature
You can use diagnostics code D.071 to set the maximum
flow temperature for heating mode (default setting: 75 °C).
8.5
Setting the return flow temperature control
If the product is connected to an underfloor heating system,
the temperature control setting can be changed from flow
temperature control (default setting) to return flow temperat-
ure control using diagnostics code D.017.
8.6
Burner anti-cycling time
8.6.1
Setting the burner anti-cycling time
To prevent frequent switching on and off of the burner and
thus prevent energy losses, an electronic restart lockout
is activated for a specific period each time the burner is
switched off. You can adjust the burner anti-cycling time to
the conditions of the heating installation. The burner anti-
cycling time is only active for the heating mode. Hot water
handling mode during a burner anti-cycling time does not af-
fect the time function element. You can use diagnostics code
D.002 to set the maximum burner anti-cycling time (default
setting: 20 min.). The effective burner anti-cycling times with
respect to the target flow temperature and the maximum set
burner anti-cycling time can be found in the following table:
T
Flow
(target)
[°C]
30
35
40
45
50
55
60
65
70
75
T
Flow
(target)
[°C]
30
35
40
45
50
55
60
65
70
75
Set maximum burner anti-cycling time [min]
1
5
10
15
2.0
4.0
8.5
12.5
2.0
4.0
7.5
11.0
2.0
3.5
6.5
10.0
2.0
3.0
6.0
8.5
2.0
3.0
5.0
7.5
2.0
2.5
4.5
6.0
2.0
2.0
3.5
5.0
2.0
1.5
2.5
3.5
2.0
1.5
2.0
2.5
2.0
1.0
1.0
1.0
Set maximum burner anti-cycling time [min]
35
40
45
29.0
33.0
37.0
25.5
29.5
33.0
22.5
26.0
29.0
19.5
22.5
25.0
16.5
18.5
21.0
13.5
15.0
17.0
10.5
11.5
13.0
7.0
8.0
9.0
4.0
4.5
5.0
1.0
1.0
1.0
Note
The remaining burner anti-cycling time following a
regular shutdown in heating mode can be called
up under diagnostics code D.067.
20
25
30
16.5
20.5
25.0
15.0
18.5
22.0
13.0
16.5
19.5
11.5
14.0
17.0
9.5
12.0
14.0
8.0
10.0
11.5
6.0
7.5
9.0
4.5
5.5
6.5
2.5
3.0
3.5
1.0
1.0
1.0
50
55
60
41.0
45.0
49.5
36.5
40.5
44.0
32.0
35.5
38.5
27.5
30.5
33.0
23.5
25.5
28.0
19.0
20.5
22.5
14.5
15.5
17.0
10.0
11.0
11.5
5.5
6.0
6.5
1.0
1.0
1.0
27
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