Viessmann vitodens Technical Manual page 40

1.5 DHW cylinder specification
Vitocell W 100 (type CVB 300 litres) installed adjacent to the boiler
200
Vitocell W 100 (type CVB 300 litres, in white) installed adjacent to the boiler
made from steel with Ceraprotect enamel coating
for dual-mode DHW heating
300
Capacity
Connections
Heating water flow and return
Hot and cold water
DHW circulation
1
Permiss. operating pressure
primary, brine and secondary
side
Permiss. temperatures
primary side
brine side
secondary side
*1
Standby loss
q at 45 K temp. difference
BS
Dimensions
Length (∅)
Width
Height
Weight
DIN reg. no.
DHW output details at rated boiler output
Rated output
for DHW heating
Continuous DHW output
for DHW temperature rise
from 10 to 45 ºC and an
average boiler water
temperature of 78 ºC
*2
Performance factor N
L
to DIN 4708
Peak output
over a 10 minute period
*1
Product-specific factor for calculating the system demand value to EnEV or DIN 4701 10.
Actual values to DIN 4753 8. Actual values are based on a room temperature of +20 ºC and a DHW temperature of 65 ºC and may
vary by 5 %.
*2
Values for the upper indirect coil.
TH
343
Width
40
litres
R (male thread)
R (male thread)
R (male thread)
bar
ºC
ºC
ºC
kWh/24 h
mm
mm
mm
kg
kW 16
kW 16
l/h 390
1.3
litres/10 min 159
WW
HVo
THo
Z
HRo
HVu
THu
HRu
KW/E
24 32
24 26
590 638
1.4 1.4
164 164
Pressure drop on secondary side,
see page 41.
Key to symbols
E Drain
HR Heating return boiler
o
HR Heating return solar circuit
u
HV Heating flow boiler
o
HV Heating flow solar circuit
u
KW Cold water
TH Sensor well for cylinder temperature
o
sensor at height of HV
TH Sensor well for lower thermometer
u
sensor (thermometers are
accessories) at height of HV
WW Hot water
Z DHW circulation
300
1
"
1"
¾"
10
160
160
95
2.3
633
705
1 746
160
0242/01 13 MC/E
44 60
26 26
638 638
1.5 1.5
168 168
o
u
VITODENS