Determination Of Maintenance Interval/Maintenance Display; H Note - Vaillant ecoTEC VU 656/4 Installation And Maintenance Instructions Manual
Gas fired wall hung high efficiency boiler
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Also See for ecoTEC VU 656/4:
- Operating manual (20 pages) ,
- Installation manual (64 pages)
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7 Adapting the boiler to the heating system
Set maximum burner blocking time [min]
T
(target)
Flow
[°C]
1
5
20
2.0
5,0
25
2.0
4,5
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
Table 7.2 Effective burner blocking times
The effective burner locking times for each case
depending on the set target flow temperature and the
maximum specified burner locking time can be taken
from Table 7.2.
7.2.5
Determination of maintenance
interval/maintenance display
The ecoTEC electronics incorporate a feature that
enables you to determine the maintenance intervals for
the boiler. This function serves to provide a signal after
a specific, adjustable, number of burner operating hours
that the boiler needs to be maintained.
The service signal SEr and the current flow temperature
are shown alternately in the display of the ecoTEC once
the specified number of burner operating hours has
elapsed. The "maintenance" message appears in the
display of the eBUS controller (accessories).
Number of
Heat demand
persons
2 - 3
15 kW
3 - 4
3 - 4
20 kW
4 - 5
3 - 4
25 kW
4 - 6
3 - 4
> 27 kW
4 - 6
Table 7.3 Guide values for operating hours
The number of operating hours up to the next
maintenance can be set under the diagnosis point
"d.84". Guide values can be taken from Table 7.3; these
values comply with an approximate operating time of
one year for the appliance.
The operating hours can be set in steps of ten from 0 to
3000 h.
If the symbol "–" is entered at diagnosis point "d.84" in-
stead of a numerical value, the "maintenance display"
function is deactivated.
34
10
15
20
10,0
15,0
20,0
9,2
14,0
18,5
8,5
12,5
16,5
7,5
11,0
15,0
6,5
10,0
13,0
6.0
8,5
11,5
5,0
7,5
9,5
4,5
6.0
8,0
3,5
5,0
6.0
2.5
3,5
4,5
2.0
2.5
2.5
1,0
1,0
1,0
Burner operating hours to the next
inspection/maintenance (depend-
ent upon the system type)
1.800 h
1.800 h
2.500 h
2.500 h
2.600 h
2.600 h
3.000 h
3.000 h
25
30
35
25,0
30,0
35,0
23,0
27,5
32,0
20,5
25,0
29,0
18,5
22,0
25,5
16,5
19,5
22,5
14,0
17,0
19,5
12,0
14,0
16,5
10,0
11,5
13,5
7,5
9,0
10.5
5,5
6,5
7,0
3.0
3,5
4,0
1,0
1,0
1,0
h
Note!
After the set number of hours has elapsed, the
service interval must be entered in the diagno-
sis mode again.
Installation and maintenance instructions ecoTEC 0020029173_01
40
45
50
40,0
45,0
50,0
36,5
41,0
45,0
33,0
37,0
41,0
29,5
33,0
36,5
26,0
29,0
32,0
22,5
25,0
27,5
18,5
21,0
23,5
15,0
17,0
19,0
11,5
13,0
14,5
8,0
9,0
10,0
4,5
5,0
5,5
1,0
1,0
1,0
55
60
55,0
60,0
50,0
54,5
45,0
49,5
40,5
44,0
35,5
38,5
30,5
33,0
25,5
28,0
20,5
22,5
15,5
17,0
11,0
11,5
6.0
6,5
1,0
1,0
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