Bosch CRC200 - Page 22

6 720 821 651 (2017/05) CRC200
22 | Service menu
Optimized heating curve
The optimize heating curve (Control type: External opt.) is a
curve that curves upward and is based on the precise
correlation between the supply temperature and the relevant
outside temperature ( ).
Fig. 13 Settings for heating curve with Low Temp. heating
Left: Slope changed by adjusting design temperature T
AL
and minimum outdoor temperature T
A,min
Right: Parallel shifting over desired room temperaturer
T
A
Outdoor temperature
T
VL
Supply temperature
[1] Setting: T
AL
= 113 °F (45 °C), T
A,min
= 14 °F (–10 °C) (base curve), limited to T
VL,max
= 118 °F (48 °C)
[2] Setting: T
AL
= 104 °F (40 °C), T
A,min
= 14 °F (–10 °C), limited to T
VL,max
= 118 °F (48 °C)
[3] Setting: T
AL
= 95 °F (35 °C), T
A,min
= –4 °F (–20 °C), limited to T
VL,max
= 118 °F (48 °C)
[4] Parallel shifting of the base curve [1] by increasing the desired room temperature, limited to T
VL,max
= 118 °F (48 °C)
[5] Parallel shifting of the base curve [1] by increasing the reducing room temperature
Fig. 14 Settings for heating curve with High Temp heating
Left: Slope changed by adjusting design temperature T
AL
and minimum outdoor temperature T
A,min
Rechts: Parallel shifting over desired roomtemperaturer
T
A
Outdoor temperature
T
VL
Supply temperature
[1] Setting: T
AL
= 167 °F (75 °C), T
A,min
= 14 °F (–10 °C) (base curve ), limited to T
VL,max
= 167 °F (75 °C)
[2] Setting: T
AL
= 176 °F (80 °C), T
A,min
= 14 °F (–10 °C), limited to T
VL,max
= 176 °F (80 °C)
[3] Setting: T
AL
= 158 °F (70 °C), T
A,min
= –4 °F (–20 °C), limited to T
VL,max
= 167 °F (75 °C)
[4] Parallel shifting of the base curve [1] by increasing the desired room temperature, limited to T
VL,max
= 176 °F (80 °C)
[5] Parallel shifting of the base curve [1] by increasing the reducing room temperature, limited to T
VL,max
= 167 °F (75 °C)
T
A
T
VL
T
A
T
VL
6 720 811 135-29. 1O
+32
+50+68
+14
-4
68
86
104
122
140
F
20
30
40
50
60
F
0
+10+20
-10
-20
C
C
+32
+50+68
+14
-4
68
86
104
122
140
F
20
30
40
50
60
F
0
+10+20
-10
-20
C
C
1
2
3
1
4
5
+32
+50
+68
+14
-4
68
86
104
122
140
158
176
194
F
20
30
40
50
60
70
80
90
F
0
+10+20
-10
-20
C
6 720 811 153-19. 1O
C
+32
+50+68
+14
-4
68
86
104
122
140
158
176
194
F
20
30
40
50
60
70
80
90
F
0
+10+20
-10
-20
C
C
T
A
T
VL
T
A
T
VL
1
2
3
1
4
5