Viessmann Vitosol 100-FM Technical Manual page 58

DHW cylinders
Cylinder temperature sensor for solar operation
Arrangement of cylinder temperature sensor in the heating water
return HR
s
Performance factor N
L
To DIN 4708 – upper indirect coil.
Cylinder storage temperature T
Cylinder capacity
Performance factor N
L
90 °C
80 °C
70 °C
Information regarding performance factor N
The performance factor N
ature T .
cyl
Standard values
■ T = 60 °C → 1.0 × N
cyl
■ T = 55 °C → 0.75 × N
cyl
■ T = 50 °C → 0.55 × N
cyl
■ T = 45 °C → 0.3 × N
cyl
Peak output (over 10 minutes)
Relative to the performance factor N
DHW heating from 10 to 45 °C.
Cylinder capacity
Peak output (l/10 min) at heating water flow temperature
90 °C
80 °C
70 °C
Max. draw-off rate (over 10 minutes)
Relative to the performance factor N
With reheating.
DHW heating from 10 to 45 °C.
Cylinder capacity
Max. draw-off rate (l/min) at heating water flow temperature
7
90 °C
80 °C
70 °C
VIESMANN
58
(cont.)
= cold water inlet temperature + 50 K
cyl
at heating water flow temperature
L
depends on the cylinder storage temper-
L
L
L
L
L
.
L
.
L
A Cylinder temperature sensor (standard delivery of solar control
unit)
B Threaded elbow with sensor well (standard delivery)
+5 K/–0 K
l
l
l
300 500
2.4 7.0
2.2 6.5
2.0 6.0
300 500
211 404
203 333
195 319
300 500
21.1 40.4
20.3 33.3
19.5 31.9
VITOSOL