17
burning inadequate
fuel
apply proper quality fuel (see
chapter "Fuel" p. 6)
boiler power not up to
heating area
improper design and
erection of heating
installation
Improper functioning of
controller, fan
adjust controller’s settings up
to
weather conditions or quality of
fuel, if controller does not work
properly consult manual
Smoking
chimney draught not
sufficient
check chimney’s permeability
and its parameters (see tab.
height and section to boiler’s
power p. 8), check if chimney
end is not lower than roof
ridge
gases channels dirty clean up boiler through
washout holes
sealing rope indoor
and washout openings
worn
replace a rope (to be replaced
regularly)
improper assembly of
boiler and
chimney connection
check accurateness
very low atmospheric
pressure
improper position of
smoke throttle
adjust sprocket position if it is
closed to much
Sudden temperature
and pressure rise
installation valves
closed
open the valves
pressure vessel frozen
heat the pressure vessel
Water licking out of
boiler
so called. "boiler’s
sweating", this is
natural process caused
by temperature
difference in boiler
during boiler’s start-up and
after each standby "heat the
boiler" e.g. burn it up to 70°C
and keep that temperature for
several hours
"Hitting, shooting"
in boiler
air in the heating
installation and boiler
due to improperly
performed filling in
process (see chapter
7.1. p. 9)
"heat the boiler" e.g. burn it up
to 70°C and keep that
temperature
for a longer time, till the whole
air is removed from boiler
remove the air from
installation by opening the
valves on radiators.
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