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8 Adapting the unit to the installation
Set maximum burner anti-cycling time
T
Flow
[min]
(target)
[°C]
35
40
45
19.5
22.5
50
16.5
18.5
55
13.5
15.0
60
10.5
11.5
65
7.0
8.0
70
4.0
4.5
75
1.0
1.0
2.
If required, adjust the maximum burner anti-cycling time
using diagnostics code d.02.
Overview of diagnostics codes (→ Page 33)
8.2.2
Resetting the remaining burner anti-cycling
time
▶
Press and hold the
button for more than three
seconds.
◁
All symbols are shown in the display.
8.3
Setting the maximum heating output
The product's maximum heating output is set to automatic
mode at the factory. If you want to set your own fixed max-
imum heating output, however, you can specify a value un-
der d.00 which equates to the product output in kW.
8.4
Setting the maintenance interval
If you set the maintenance interval, after a configurable num-
ber of burner operating hours, the message that the product
must be serviced appears in the display, together with the
maintenance symbol
.
▶
Use diagnostics code d.84 to set the number of operating
hours until the next maintenance is due (number of op-
erating hours = display value x 10). Guideline values can
be found in the following table.
Guideline value for burner
operating hours until the
Number
next inspection/maintenance
Heat de-
of per-
work is due for an average
mand
sons
operating time of one year
(dependent upon the system
type)
1 ‑ 2
1050 h
5.0 kW
2 ‑ 3
1150 h
1 ‑ 2
1500 h
10.0 kW
2 ‑ 3
1600 h
2 ‑ 3
1800 h
15.0 kW
3 ‑ 4
1900 h
3 ‑ 4
2600 h
20.0 kW
4 ‑ 5
2700 h
3 ‑ 4
2800 h
25.0 kW
4 ‑ 6
2900 h
3 ‑ 4
3000 h
> 27.0 kW
4 ‑ 6
3000 h
22
45
50
55
60
25.0
27.5
30.5
33.0
21.0
23.5
25.5
28.0
17.0
19.0
20.5
22.5
13.0
14.5
15.5
17.0
9.0
10.0
11.0
11.5
5.0
5.5
6.0
6.5
1.0
1.0
1.0
1.0
The values stated correspond to an average operating time
of one year.
If you do not set a numerical value but do set the symbol
"– – –", the function is not active.
Note
On completion of the set operating hours, you
must set the maintenance interval again.
8.5
Setting the bypass
Conditions: D.14 is set to 0 = auto
Caution.
Risk of material damage caused by incor-
rect setting of the high-efficiency pump
When the pressure at the bypass is in-
creased (turning clockwise), malfunctions
may occur if the pump output is set below
95%.
▶
In this case, set the pump output to 5 = 95
to 100% using diagnostics parameter
D.14.
▶
Do not change the factory settings.
Conditions: D.14 is set to 1–5
▶
Remove the front casing. (→ Page 10)
1
▶
Regulate the pressure using the adjusting screw (1).
Pres-
Position of the
sure
adjusting screw
in MPa
(mbar)
Right-hand stop
0.035
(turned all the
(350)
way down)
Mid-position (six
0.025
anti-clockwise
(250)
rotations)
Five further anti-
clockwise rota-
0.017
tions starting from
(170)
the mid-position
▶
Fit the front panel.
Installation and maintenance instructions ecoTEC pure 0020258016_01
Notes/application
If the radiators do not heat
up sufficiently at the default
setting. In this case, you
must set the pump to the
maximum speed.
Default setting
If noises are produced in
the radiators or radiator
valves
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