Offset heating curve -2
30
40
50
60
80
• C
- 40 • C- 10
0
10
- 20 - 30
15 14 13
11
10
9
8
7
6
5
4
3
2
1
- 5
+ 5
70
16171819
12
Offset heating curve
Outdoor temperature
Heating curve
Supply temperature
Offset heating curve 0
30
40
50
60
80
• C
- 40 • C- 10
0
10
- 20 - 30
15 14 13 12 11
10
9
8
7
6
5
4
3
2
1
- 5
+ 5
70
16171819
Offset heating curve
Outdoor temperature
Heating curve
Supply temperature
Offset heating curve +2
30
40
50
60
80
• C
- 40 • C- 10
0
10
- 20 - 30
15 14 13 12 11
10
9
8
7
6
5
4
3
2
1
- 5
+
5
70
16171819
Offset heating curve
Outdoor temperature
Heating curve
Supply temperature
Setting after diagram
EVC 13 is equipped with an outdoor temperature con-
trolled heating control system. This means the boiler
temperature and therefore the supply temperature is
regulated in relation to the current outdoor temperature.
The relationship between outdoor temperature and supply
temperature is set with the “Offset heating curve” and
“Offset heating curve” knobs.
First, select "Offset heating curve". A suitable value for
under floor heating is -1 and for a radiator system -2.
The diagram is based on the dimensioned outdoor tem-
perature for the area and the dimensioned supply temper-
ature of the heating system. When these two values
“meet”, the heating control's curve coefficient can be read
off.
D
a
y
15
12
24
21
618
R
3
9
15
O N O FF
2
1
bar
3
0 4
20 100
40 80
60
°C
0 120
Select heating curve
Heating curve offset
9EVC 13
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