B
max
Heating
T
T
T
I
T
A
B
min
1K
B01696
Outdoor temperature
Set
p
oi
nt
of
f
low
t
e
m
p
er
at
u
re
Characteristic curve for the control
of heating circuit 1
B
max
Heating
T
T
I
T
A
B
min
1K
B01747
Outdoor temperature
S
e
tp
oi
nt of
fl
o
w
te
mp
er
atu
re
2
T
Characteristic curve for the control
of heating circuit 2
T
FS
T
A
Domestic hot water
T
FS (WS2)
T
FS (WS1)
T
WS2
T
WS1
B01697
Characteristic curve for the control
of domestic hot water
2
T
A
during charge of domestic
hot water
B01748
T
U
T
A
(FF)
T
0
T
RFS max
S
Outside temp.
S
e
tpoi
nt f
o
r
m
a
x.
pri
m
a
ry
-return
t
e
m
p
.
Limitation of return temperature
R
–
49
–
7 000458 003