Family of heating characteristic for T
I
= 20 °C and a curvature factor (SERV 66) = 0.5.
Example for factory setting: an outdoor temperature of T
A
= –5 °C results in a flow temperature of T
FS
= 58 °C.
T
A
100
90
80
70
60
50
40
30
2,0
1,8
1,6
1,4
1,2
1,0
0,8
0,6
0,4
2,5
3,0
3,5
4,0
-20
-15
-10
-5
0
5
10
15
[° C]
[° C]
T
I
T
FS
B01534
PAR
Setting value
No.
Function
4
16 ° C
Heating limit ’OFF’ winter
→
summer
→
When controlled by the time program (i.e. operation according to weekly program or annual program or timer),
the heating system is switched off automatically when the outdoor temperature drops below this value for at
least the period specified under PAR 6.
In continuous , operation, the heating system is not automatically switched off by this function.
(0...39 ° C)
5
14 ° C
Heating limit ’ON’ summer
→
winter
→
When controlled by the time program (i.e. operation according to weekly program or annual program or timer),
the heating system is switched on automatically when the outdoor temperature exceeds this value for at least
the period specified under PAR 6.
In continuous operation, the heating system is not automatically switched on by this function.
(0...39 ° C)
6
14 h
Delay period for seasonal heating limits
←
→
(0...19 h)
R
–
21
–
7 000458 003
