Viessmann Vitoflex 300-RF Technical Data Manual page 2

Product Information
Vitoflex 300-RF
Steel wood-fired hot water heating boiler. For operation
primarily with modulating boiler water temperatures in
closed loop forced circulation hot water heating systems.
Under certain conditions, open loop systems may also be
considered. Contact Viessmann for details.
Specifications
Fully-automatic rotating combustion wood-fired boiler
5 models from 512 to 1843 MBH
For dry wood fuels with max. water content of 35%
Efficiency: 85%
Available for 30 or 60 psi max. operating pressure
Benefits at a glance
High efficiency with advanced combustion technology,
triple-pass heat exchanger and modulating output
control (turndown ratio 4:1)
Maximum heat transfer with triple-pass heat
exchanger design.
High efficiency and ultra-low emissions with precisely
controlled primary and secondary air.
Igniter device limits idling, minimizes emissions and
saves fuel.
Low maintenance with fully-automatic de-ashing,
optional pneumatic cleaning system and flue gas
cyclone.
Advanced safety equipment ensures safe and reliable
operation.
Custom design of your system by our team of experts.
Available as convenient portable boiler enclosure.
2
Codes and standards
CSA B366.1-M91
Solid Fuel Fired Central Heating Appliances
CSA C.22.2#3-M88 (R2004)
Electrical Features of Fuel Burning Equipment
UL2523
Solid Fuel-Fired Hydronic Heating Appliances, Water
Heaters and Boilers
CSA B365 (latest edition)
Installation Code for Solid Fuel Burning Appliances
and Equipment
ASME section IV boilers and pressure vessels
Maximum allowable working pressure (water)...30 or 60 psi
Maximum water temperature.....250°F (120°C) (closed loop)
Maximum boiler temperature.........210°F (99°C) (open loop)
This boiler does not require a flow switch.
WARNING
Exposing the boiler to pressures and temperatures in
excess of those listed will result in damages and will
render the warranty null and void.
Vitoflex 300-RF Technical Data