Setting The Pump Overrun Time; Setting The Maximum Flow Temperature; Setting The Return Temperature Control; Setting The Burner Anti-Cycle Time - Vaillant ecoTEC exclusive 832 Installation And Maintenance Instructions Manual
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7
Adapting the appliance to the heating system
7.2.2
Setting the pump overrun time
The pump overrun time for the heating operation is set
in the factory to a value of 5 minutes. It can be set
under diagnosis point "d.1" within the range two minutes
to 60 minutes. Under diagnosis point "d.18" you can set
the overrun behaviour of the pump to a different mode.
Overrun: After completion of the heat demand the heat-
ing pump continues to run for the time set under "d.1".
Continuous: The internal heating pump is switched on
when the rotary knob for setting the heating feed tem-
perature is not in the left-hand stop position and the
heat demand is released by an external controller.
Winter: The internal heating pump is switched on when
the rotary knob for setting the heating feed temperature
is not in the left-hand stop position.
7.2.3
Setting the maximum flow temperature
The maximum feed temperature for the heating is set in
the factory to 75 °C. Under diagnosis point "d.71" it can
be set to between 40 and 85 °C.
7.2.4
Setting the return temperature control
When connecting underfloor heating or wall heating to
the appliance which does not have its own temperature
regulation, the temperature regulation mode can be
changed from feed temperature regulation (factory set-
ting) to return temperature regulation under diagnosis
point "d.17".
7.2.5
Setting the burner anti-cycle time
T
(target)
Set maximum burner anti-cycle time [min]
Feed
[°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 anti-cycle time
36
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
The burner is electronically locked for a specific time
after each time it is switched off ("re-start interlock") to
avoid frequent switching on and off of the burner
(energy losses).
The burner anti-cycle time is only activated for the
heating operation. Hot water operation during a burner
anti-cycle time does not affect the timer.
The individual anti-cycle time can be matched to the
hydraulic and thermal properties of the heating installa-
tion. In the factory the burner anti-cycle time is set to a
value of 20 minutes. It can be varied under diagnosis
point "d.02" within the range 2 minutes to 60 minutes.
The individual effective anti-cycle time is calculated
from the momentary target feed temperature and the
set maximum burner anti-cycle time.
The timer can be reset or cancelled by actuating the
appliance main switch. The remaining burner anti-cycle
time left after switching off by the controller in heating
operation can be called up under diagnosis point "d.67".
The individually effective burner anti-cycle times with
respect to the feed temperature and the maximum set
burner anti-cycle time can be taken from Table 7.2.
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
Installation and maintenance instructions ecoTEC exclusive 0020017768_07
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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