Viessmann VITOSOL 100-F SV Technical Manual page 72

DHW cylinders
Cylinder capacity
DHW circulation (male thread)
Immersion heater (female thread)
Information regarding continuous output
When engineering systems with the specified or calculated continuous
output, select a matching circulation pump. The stated continuous out-
put is only achieved when the rated boiler heating output ≥ continuous
output.
ELH1
ELH2/R
11
E Drain
ELH1 Connector for immersion heater
ELH2 Flanged aperture for immersion heater
HR Heating water return
HV Heating water flow
KW Cold water
R Inspection and cleaning aperture with flange cover
Performance factor N
According to DIN 4708, without return temperature limit.
Cylinder storage temperature T
+ 50 K +5 K/–0 K
Performance factor N
temperature
90 °C
80 °C
70 °C
Information regarding performance factor N
The performance factor N
ture 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 without return temperature limit.
VIESMANN
72
(cont.)
WW1
Z
HF
SPR1
WW2
SPR2
HR
KW/E
455
L
= cold water inlet temperature
cyl
at heating water flow
L
L
depends on the cylinder storage tempera-
L
L
L
L
L
.
L
l
R
Rp
881
923
SPR1 Cylinder temperature sensor of the cylinder temperature con-
troller
SPR2 Temperature sensor of the solar heat exchanger set
WW1 DHW
WW2 Hot water from the solar heat exchanger set
Z DHW circulation
Peak output (l/10 min) at a heating water flow
temperature of
90 °C
80 °C
70 °C
Max. draw-off rate (over 10 minutes)
16.5
Relative to the performance factor N
15.5
With reheating.
12.0
DHW heating from 10 to 45 °C.
Max. draw-off rate (l/min) at heating water flow
temperature
90 °C
80 °C
70 °C
390
1
1½
SPR2
540
521
455
.
L
54
52
46
VITOSOL