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Waiting period for reading a stable value: 5 min
1
3.
Unscrew the cover from the flue gas analysis point (1).
4.
Measure the CO₂ content at the flue gas analysis point.
5.
Compare the measured value with the corresponding
value in the table.
Checking the CO₂ content
Germany
Fitted front casing
Natural gas
G20
G25
9.4 ±1 %
7.5 ±1 %
◁
The value is OK.
▽
The value is not OK; you cannot start up the
product.
▶
Contact customer service.
7.9.3
Performing gas conversion:
Note
You will need a conversion kit, which is available
separately.
The conversion procedure is described in the
manual supplied with the conversion kit.
▶
Follow the instructions in the manual for the conversion
kit to carry out the gas conversion on the product.
7.10
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.
Conditions: Room-sealed operation
▶
Check whether the vacuum chamber has been sealed so
that it is leak-tight.
7.10.1 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. (→ Page 17)
0020258016_00 ecoTEC pure Installation and maintenance instructions
Liquid
gas
G31
10.4
±0.5 %
Adapting the unit to the installation 8
Status codes – Overview (→ Page 37)
◁
If the product is working correctly, the display shows
S.14.
7.10.2 Checking the heating mode
1.
Activate the heating mode on the user interface.
2.
Turn all thermostatic radiator 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. (→ Page 19)
5.
Call up the status codes. (→ Page 17)
Status codes – Overview (→ Page 37)
◁
If the product is working correctly, the display shows
S.04.
8
Adapting the unit to the installation
8.1
Activating diagnostics codes
You can find the setting options in the diagnostics codes in
the installer level.
Overview of diagnostics codes (→ Page 33)
▶
Set a diagnostics code. (→ Page 17)
8.2
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. Switching on domestic hot water mode
during the burner anti-cycling time has no effect.
8.2.1
Setting the maximum burner anti-cycling
time
1.
Set a diagnostics code. (→ Page 17)
T
Set maximum burner anti-cycling time [min]
Flow
(tar-
get)
1
5
[°C]
30
2.0
4.0
35
2.0
4.0
40
2.0
3.5
45
2.0
3.0
50
2.0
3.0
55
2.0
2.5
60
2.0
2.0
65
2.0
1.5
70
2.0
1.5
75
2.0
1.0
Set maximum burner anti-cycling time
T
Flow
[min]
(target)
[°C]
35
30
29.0
35
25.5
40
22.5
10
15
20
25
8.5
12.5
16.5
20.5
7.5
11.0
15.0
18.5
6.5
10.0
13.0
16.5
6.0
8.5
11.5
14.0
5.0
7.5
9.5
12.0
4.5
6.0
8.0
10.0
3.5
5.0
6.0
7.5
2.5
3.5
4.5
5.5
2.0
2.5
2.5
3.0
1.0
1.0
1.0
1.0
40
45
50
55
33.0
37.0
41.0
45.0
29.5
33.0
36.5
40.5
26.0
29.0
32.0
35.5
30
25.0
22.0
19.5
17.0
14.0
11.5
9.0
6.5
3.5
1.0
60
49.5
44.0
38.5
21
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