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Installation and maintenance instructions ecoTEC pro 0020244995_04
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
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
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
10.2.2 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
.
Heat de-
mand
Number
of per-
sons
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)
5.0 kW
1
‑
2
1050 h
2
‑
3
1150 h
10.0 kW
1
‑
2
1500 h
2
‑
3
1600 h
15.0 kW
2
‑
3
1800 h
3
‑
4
1900 h
Heat de-
mand
Number
of per-
sons
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)
20.0 kW
3
‑
4
2600 h
4
‑
5
2700 h
25.0 kW
3
‑
4
2800 h
4
‑
6
2900 h
> 27.0 kW
3
‑
4
3000 h
4
‑
6
3000 h
10.4
Setting the pump output
1.
Navigate to diagnostics code
D.014
in the installer level
and confirm by pressing
.
2.
Set the required pump output.
Condition
: Low loss header installed
▶
Switch off the speed regulation and set the pump output
to a fixed value.
10.4.1 Remaining pump head
10.4.1.1 Pump curve for VUW 246, VUW 286
0
400
300
200
100
0
50
150
250
350
200
400
600
800
1000
1200 1400
Remaining feed head
[hPa]
Flow rate [l/hr]
100% PWM
80%
70%
60%
53%
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. (
Summary of Contents for VUW 246/5-3 (H-GB)
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