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10.2.1 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
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
33.0
35
25.5
29.5
40
22.5
26.0
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
10.2.2 Resetting the remaining burner anti-cycling
time
▶
Press
.
10.3
Setting the maintenance interval
1.
Navigate to diagnostics code D.084 in the installer level
and confirm by pressing
2.
Set the maintenance interval (operating hours) until the
next maintenance work is due and confirm by pressing
.
Number
Heat de-
of per-
mand
sons
1 ‑ 2
5.0 kW
2 ‑ 3
1 ‑ 2
10.0 kW
2 ‑ 3
2 ‑ 3
15.0 kW
3 ‑ 4
32
.
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
37.0
41.0
45.0
33.0
36.5
40.5
29.0
32.0
35.5
25.0
27.5
30.5
21.0
23.5
25.5
17.0
19.0
20.5
13.0
14.5
15.5
9.0
10.0
11.0
5.0
5.5
6.0
1.0
1.0
1.0
.
Guideline value for burner
operating hours until the
next inspection/maintenance
work is due for an average
operating time of one year
(dependent upon the system
type)
1050 h
1150 h
1500 h
1600 h
1800 h
1900 h
Heat de-
mand
20.0 kW
30
25.0
25.0 kW
22.0
19.5
> 27.0 kW
17.0
14.0
10.4
Setting the pump output
11.5
1.
Navigate to diagnostics code D.014 in the installer level
9.0
and confirm by pressing
6.5
2.
Set the required pump output.
3.5
Condition: Low loss header installed
1.0
▶
Switch off the speed regulation and set the pump output
to a fixed value.
60
10.4.1 Remaining pump head
49.5
10.4.1.1 Pump curve for VUW 246, VUW 286
44.0
400
38.5
350
33.0
300
28.0
250
200
22.5
150
17.0
100
11.5
50
0
6.5
0
200
1.0
10.5
Setting the bypass valve
Caution.
Risk of material damage caused by incor-
rect setting of the high-efficiency pump
If the pressure at the bypass valve is in-
creased (by turning it clockwise) and the
pump output is set to less than 100%, the
product may not operate correctly.
▶
In this case, set the pump output to
5 = 100% using diagnostics code D.014.
▶
Remove the front casing. (→ Page 18)
Installation and maintenance instructions ecoTEC pro 0020244995_04
Guideline value for burner
operating hours until the
Number
next inspection/maintenance
of per-
work is due for an average
sons
operating time of one year
(dependent upon the system
type)
3 ‑ 4
2600 h
4 ‑ 5
2700 h
3 ‑ 4
2800 h
4 ‑ 6
2900 h
3 ‑ 4
3000 h
4 ‑ 6
3000 h
.
400
600
800
1000 1200 1400
Flow rate [ l/hr ]
100% PWM
80%
70%
60%
53%
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