Dimensions
Dimensions
Dimensions in mm
a
631
b
780
c
1705
Pressure drop on the DHW side
500 600
800 1000
2000
3000
4000 5000
3
4
5
6
8
10
20
30
40
50
60
80
100
Pressure drop in mbar
DHW throughput in l/h
DHW output at rated boiler output
Rated output
for DHW heating
kW
18
22
Continuous DHW output
kW
18
22
for DHW heating from 10 to 45 ºC and an average
boiler water temperature of 78 ºC
l/h
440
540
Performance factor N
L
*5
to DIN 4708
1.4
1.4
Peak output
over 10 min
litre/10 min
164
164
Delivered condition
Dual mode DHW cylinder made from steel with Ceraprotect enamel
coating and solar set.
■ Solar set, comprising:
– Solar circuit pump (variable speed high efficiency DC pump)
– 2 thermometers
– 2 ball valves with check valve
– Flow meter
– Pressure gauge
– Safety valve 6 bar
– Fill valve
– Air separator
– Solar control module, type SM1 with electronic temperature dif-
ferential control
– Cylinder temperature sensor
– Collector temperature sensor
■ 2 welded sensor wells for cylinder temperature sensor or thermostat
■ Threaded elbow with sensor well
■ Adjustable feet
■ Protective magnesium anode
■ Thermal insulation made from rigid PUR foam
Colour of the epoxy-coated sheet steel casing: white
*5
Values for the upper indirect coils.
Separate DHW cylinder for the Vitoladens 300-W
(cont.)
VITOLADENS 300-W
/
VITOLADENS 333-F
VIESMANN
25
5822 425 GB
3
