Product Information - Viessmann KOB Pyrotec KPT Series Technical Data Manual

Product Information

Pyrotec
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 underfeed combustion wood-fired
boiler
5 models from 1330 to 4268 MBH
For wood fuels with max. water content of 50%
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.
Low maintenance with fully-automatic de-ashing,
optional pneumatic cleaning system and flue gas
de-duster.
Advanced safety equipment ensures safe and reliable
operation.
Maximum system performance with heavy-duty
construction and all system components from one
source.
Automatic ignition device limits idling and saves fuel.
Custom design of your system by our team of experts.
2
Codes
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 B365-01
Installation Code for Solid Fuel Burning Appliances
and Equipment
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.
Note: "Pyrotec" is an alternate/interchangeable trade
name with "Pyrtec".
Pyrotec Technical Data