Viessmann Vitosol 100-FM Technical Manual page 49

DHW cylinders
(cont.)
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
50 K +5 K/-0 K
Cylinder capacity
Performance factor N at heating water flow temperature
L
90 °C
80 °C
70 °C
Information regarding performance factor N
The performance factor N changes in line with the cylinder storage
L
temperature Tcyl.
Standard values
■ T = 60 °C → 1.0 × N
cyl L
■ T = 55 °C → 0.75 × N
cyl L
■ T = 50 °C → 0.55 × N
cyl L
■ T = 45 °C → 0.3 × N
cyl L
Peak output (over 10 minutes)
■ Relative to performance factor N
■ DHW heating from 10 to 45 °C
Cylinder capacity
Peak output at heating water flow temperature
90 °C
80 °C
70 °C
Max. draw-off rate (over 10 minutes)
■ Relative to performance factor N
■ With reheating
■ DHW heating from 10 to 45 °C
Cylinder capacity
Max. draw-off rate at heating water flow temperature
90 °C
80 °C
70 °C
*2 Values determined by calculation.
VITOSOL
= cold water inlet temperature +
cyl
l
L
L
l
l/10 min
L
l
l/min
300 400 500
1.6 3.0 6.0
1.5 3.0 6.0
1.4 2.5 5.0
300 400 500
173 230 319
168 230 319
164 210 299
300 400 500
17 23 32
17 23 32
16 21 30
*2 *2
750 950
8.0 11.0
8.0 11.0
7.0 10.0
*2 *2
750 950
438 600
438 600
400 550
7
*2 *2
750 950
44 60
44 60
40 55
VIESMANN
49