0020230529_05 ecoFIT sustain Installation and maintenance instructions
29
8.
Install the front casing. (
9.11
Checking leak-tightness
▶
Check the gas pipe, the heating circuit and the hot water
circuit for leak-tightness.
▶
Check that the air/flue pipe has been installed correctly.
Condition
: Room-sealed operation
▶
Check whether the vacuum chamber has been closed
tightly.
9.11.1 Checking the heating mode
1.
Activate the heating mode on the user interface.
2.
Turn all thermostatic valves on the radiators until they
are fully open.
3.
Allow the product to operate for at least 15 minutes.
4.
Fill and purge the heating installation. (
5.
Call up the status codes. (
Status codes
–
Overview (
◁
If the product is working correctly, the display shows
S.04
.
9.11.2 Checking the hot water generation
1.
Activate the hot water handling mode on the user
interface.
2.
Open a hot water valve completely.
3.
Call up the status codes. (
Status codes
–
Overview (
◁
If the product is working correctly, the display shows
S.14
.
10 Adapting the unit to the heating
installation
You can reset/change the system parameters.
Overview of diagnostics codes (
10.1
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. The burner anti-cycling time is only active for
the heating mode. Domestic hot water mode during a burner
anti-cycling time does not affect the timing element.
10.1.1 Setting the burner anti-cycling time
1.
Navigate to diagnostics code
D.002
in the installer level
and confirm by pressing
.
2.
Set the burner anti-cycling time and confirm by pressing
.
T
Flow
(tar-
get)
[°C]
Set maximum burner anti-cycling time [min]
1
5
10
15
20
25
30
30
2.0
4.0
8.5
12.5
16.5
20.5
25.0
35
2.0
4.0
7.5
11.0
15.0
18.5
22.0
40
2.0
3.5
6.5
10.0
13.0
16.5
19.5
45
2.0
3.0
6.0
8.5
11.5
14.0
17.0
T
Flow
(tar-
get)
[°C]
Set maximum burner anti-cycling time [min]
1
5
10
15
20
25
30
50
2.0
3.0
5.0
7.5
9.5
12.0
14.0
55
2.0
2.5
4.5
6.0
8.0
10.0
11.5
60
2.0
2.0
3.5
5.0
6.0
7.5
9.0
65
2.0
1.5
2.5
3.5
4.5
5.5
6.5
70
2.0
1.5
2.0
2.5
2.5
3.0
3.5
75
2.0
1.0
1.0
1.0
1.0
1.0
1.0
T
Flow
(target)
[°C]
Set maximum burner anti-cycling time
[min]
35
40
45
50
55
60
30
29.0
33.0
37.0
41.0
45.0
49.5
35
25.5
29.5
33.0
36.5
40.5
44.0
40
22.5
26.0
29.0
32.0
35.5
38.5
45
19.5
22.5
25.0
27.5
30.5
33.0
50
16.5
18.5
21.0
23.5
25.5
28.0
55
13.5
15.0
17.0
19.0
20.5
22.5
60
10.5
11.5
13.0
14.5
15.5
17.0
65
7.0
8.0
9.0
10.0
11.0
11.5
70
4.0
4.5
5.0
5.5
6.0
6.5
75
1.0
1.0
1.0
1.0
1.0
1.0
10.1.2 Resetting the remaining burner anti-cycling
time
▶
Press
.
10.2
Setting the pump output
The product is equipped with a speed-regulated high-effi-
ciency pump, which adjusts independently to the hydraulic
conditions of the heating installation.
If you have installed a low loss header in the heating install-
ation, you should switch off the speed regulation and set the
pump output to a fixed value.
▶
If required, change the setting of the pump speed, which
depends on the operating mode, under diagnostics code
d.14
.
Overview of diagnostics codes (
10.2.1 Pump diagram
0
50
100
150
200
250
300
350
0
200
400
600
800
1000
1200
A
B
1
2
A
Remaining feed head
[mbar]
B
Flow rate [l/h]
1
Max. PWM
2
Min. PWM
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