2.1 Product description
A
Exhaust silencer
B
Stainless steel Inox-Radial heat exchanger
C
Integral diaphragm expansion vessel
D
Two-stage Compact blue flame burner
E
Digital boiler control unit
F
Integral, variable speed high efficiency DC pump
G
Integral DHW cylinder
The new Vitoladens 333-F offers advanced condensing technology
together with an integral 130 litre DHW cylinder with internal indirect
coils on the smallest footprint.
The stainless steel Inox-Radial heat exchanger, in conjunction with the
two-stage Compact blue flame burner, ensures a high standard sea-
sonal efficiency [to DIN] up to 98 % (H
s
)/104 % (H
i
). In addition, when
using low sulphur fuel oil, the self-cleaning stainless steel heat
exchanger ensures consistently high efficiency and a long service
life.
The Vitoladens 333-F can be installed in very tight spaces. All com-
ponents are accessible from the front for maintenance and service.
Valuable installation time can be saved as the Vitoladens 333-F is
delivered fully fitted.
The new control unit simplifies operation thanks to a multi-line plain
text display with user prompts and a graphic interface.
Benefits at a glance
■ Oil condensing storage combi boiler with an integral enamelled 130
litre DHW cylinder for high DHW convenience
■ Burner output matched to the respective heat demand through the
two-stage Compact blue flame burner
■ Standard seasonal efficiency [to DIN]: up to 98 % (H
s
)/104 % (H
i
)
■ Effective and reliable utilisation of oil condensing technology through
Inox-Radial heat exchanger
■ Demand-dependent heat generation through two-stage Compact
blue flame burner
■ Open or balanced flue operation
■ All types of commercially available low sulphur fuel oil EL can be
used, including fuel oil DIN 51603-6 EL A Bio 10, i.e. low sulphur fuel
oil EL with up to 10 % bio-components (FAME) added
■ Energy saving high efficiency DC pump (in accordance with Energy
Label A)
■ New Vitotronic control unit that is easy to operate with plain text and
graphic display
■ The programming unit part of the control unit can also be fitted on a
wall mounting base (accessory)
■ Suitable for installation in recesses
Delivered condition
Oil condensing boiler with Inox-Radial heat exchanger, Compact blue
flame burner with oil preheater, expansion vessel, variable speed high
efficiency DC pump and integral DHW cylinder.
Fully plumbed and wired. Colour of the epoxy-coated casing: white.
Approved quality
CE designation according to current EC Directives
Corresponds to the LV Directive 73/23/EEC in amended form.
Corresponds to the EMC Directive 89/336/EEC in amended form.
Vitoladens 333-F
8
VIESMANN
VITOLADENS 300-W
/
VITOLADENS 333-F
2
5822 425 GB
