Viessmann Vitocell 360-M - Page 43

Cylinder temperature sensor for solar operation
Arrangement of cylinder temperature sensor in the heating water
return HR
s
A
Cylinder temperature sensor (standard delivery of solar control
unit)
B
Threaded elbow with sensor well (standard delivery, internal
diameter 6.5 mm)
Performance factor N
L
To DIN 4708.
Upper indirect coil.
Cylinder storage temperature T
cyl
= cold water inlet temperature
+50 K
+5 K/-0 K
.
Performance factor N
L
at heating water flow temperature
90 °C 1.6
80 °C 1.5
70 °C 1.4
Information regarding performance factor N
L
The performance factor N
L
depends on the cylinder storage temper-
ature T
cyl
.
Standard values
■ T
cyl
= 60 °C → 1.0 × N
L
■ T
cyl
= 55 °C → 0.75 × N
L
■ T
cyl
= 50 °C → 0.55 × N
L
■ T
cyl
= 45 °C → 0.3 × N
L
Peak output (over 10 minutes)
Relative to the performance factor N
L
.
DHW heating from 10 to 45 °C.
Peak output (l/10 min) at a heating water flow temperature of
90 °C 173
80 °C 168
70 °C 164
Max. draw-off rate (over 10 minutes)
Relative to the performance factor N
L
.
With reheating.
DHW heating from 10 to 45 °C.
Max. draw-off rate (l/min) at heating water flow temperature
90 °C 17
80 °C 17
70 °C 16
DHW cylinders
(cont.)
VITOSOL
VIESMANN
43
5822 440 GB
7