Separate Dhw Cylinders - Viessmann Vitodens 300-W Technical Manual

Separate DHW cylinders

VA
TH
TE
SPR2
Lower indirect coil (solar thermal system)
A
The connections HV
DHW cylinder
4
E Drain
HR Heating water return
HR Heating water return, solar thermal system
s
HV Heating water flow
HV Heating water flow, solar thermal system
s
KW Cold water
Dimensions
Dim.
a
b
c
DHW output data at rated heating output
Rated heating output
for DHW heating
Continuous DHW output
for DHW heating from 10 to 45 °C and
an average boiler water temperature of
78 °C
VIESMANN
44
(cont.)
WW/HVs/HRs
HV/SPR1
Z
HR
A
KW/E
and HR are located at the top of the
s s
kW
kW
l/h
b
365
HVs
SPR1 Sensor well for cylinder temperature sensor of cylinder tem-
perature controller (internal diameter 16 mm)
SPR2 Sensor well for cylinder temperature sensor of solar thermal
system (internal diameter 16 mm)
TE Sensor well (internal diameter 16 mm)
TH Thermometer
VA Protective magnesium anode
WW DHW
Z DHW circulation
Pressure drop on the DHW side
mm
660
100 10.0
840
80 8.0
1735
60 6.0
50 5.0
40 4.0
30 3.0
20 2.0
10 1.0
8 0.8
6 0.6
5 0.5
4 0.4
3 0.3
DHW flow rate
in l/h
16 17
16 17
390 415
24 32
26 26
638 638
VITODENS