Tetan KP 12-ES, Service And Operation Manual

Page: 28 / 80

Automatic boiler for wood pellets
27
Picture No. 22 Required chimney draft
Chimney systems resistant to humidity in which condensation of water vapour is permitted are recommended in
order to ensure long-term trouble-free and safe operation of the boiler. (Chimneys resistant to humidity are
recommended for appliances with temperature of combustion products from 30°C to 100°C.)
4.1.3 Fire regulations
ČSN 73 0823 / 1984 – fire and technical properties and combustibility grades
ČSN 06 1008 / 1997 – fire safety of heat installations, structure of boilers from fire safety aspect
4.1.4 Electrical
Government Regulation no.17/2003 Coll.
ČSN – EN 60 335-1 ed.2.20073– Electrical appliances for domestic and other similar use – Safety - General
requirements.
ČSN – EN 60 335-2-102:2007- Safety – Part 2-102: Special requirements for appliences burning gas, petroleum
and solid fuels containing electrical connections.
4.1.5 Protection against noise
Government Regulation no. 148/2006 Coll. – product is fullfilling all requirements.
5.4 STORAGE OF FUEL
Wood pellets have to be in a dry place protected against atmospheric effects because humidity damages the and
aggravates their burning parameters. Excessive humidity completely destroys pellets. They should be stored in a
different room than the boiler or at least 1,500 mm from the boiler.
Operating stock of fuel may be stored in a special central bin which has to be manufactured from non-
combustible material. Bins supplied by the manufacturer meet operating and safety requirements. They may be
filled without any limits up to their total volume.
Large-volume bins have to meet corresponding fire and safety regulations. The supplier is obliged to work out
working regulations and instructions for operation and maintenance of large-volume bins.
5.5 BOILER ROOM VENTILATION
Permanent ventilation of the boiler within approximately 75 m
3
x hour
-1
of fresh air has to be ensured, if a boiler
of approximately 20 kW of power output is operated.