6 720 820 872 (2016/12)
CR 400 | CW 400 | CW 800
Service menu | 37
Fig. 21
Setting the Heating curve for underfloor heating system
Left: gradient above design temperature T
AL
and minimum outside temperature T
A,min
Right: parallel displacement via room-temperature offset or via required room temperature
T
A
Outside temperature
T
VL
Flow temperature
[1]
Setting: T
AL
= 45 °C, T
A,min
= –10 °C (base curve), limit at T
VL,max
= 48 °C
[2]
Setting: T
AL
= 40 °C, T
A,min
= –10 °C
[3]
Setting: T
AL
= 35 °C, T
A,min
= –20 °C
[4]
Parallel displacement of the base curve [1] by changing the 3 or by increasing the desired room temperature, limit at
T
VL,max
= 48 °C
[5]
Parallel displacement of the base curve [1] by changing offset –3 or by reducing the desired room temperature
Fig. 22
Setting the Heating curve for radiators/convectors
Left: gradient above design temperature T
AL
and minimum outside temperature T
A,min
Right: parallel displacement via room temperature offset or required room temperature
T
A
Outside temperature
T
VL
Flow temperature
[1]
Setting: T
AL
= 75 °C, T
A,min
= –10 °C (base curve), limit at T
VL,max
= 75 °C
[2]
Setting: T
AL
= 80 °C, T
A,min
= –10 °C, limit at T
VL,max
= 80 °C
[3]
Setting: T
AL
= 70 °C, T
A,min
= –20 °C
[4]
Parallel displacement of the base curve [1] by changing the room temperature 3 or by increasing the desired room
temperature, limit at T
VL,max
= 75 °C
[5]
Parallel displacement of the base curve [1] by changing the room temperature offset –3 or by reducing the desired room
temperature, limit at T
VL,max
= 75 °C
0
+10
+20
-10
-20
T
A
20
30
40
50
60
T
VL
T
A
T
VL
C
C
0
+10
+20
-10
-20
20
30
40
50
60
C
6 720 645 407-29. 1O
C
1
2
3
1
4
5
0
+10
+20
-10
-20
20
30
40
50
60
70
80
90
C
C
0
+10
+20
-10
-20
20
30
40
50
60
70
80
90
C
6 720 645 407-19.2O
C
T
A
T
VL
T
A
T
VL
1
2
3
1
4
5
Summary of Contents for CR 400
Page 63: ...6 720 820 872 2016 12 CR 400 CW 400 CW 800 63 Notes ...
Page 64: ......
