Technical Description - ATTACK PELH30A Manual For Attendance

Technical description

PELH30A is designed on basis of fuel feeding by principle of falling, when the pellet fall
by self-force from pellet feeder through inlet hose and inlet tube on the grate, where the
combustion runs.
PELH30A has electrical ignition that automatically ignites pellets fallen on the grate.
Ignition begins only after the thermostat gives instruction to burner.
PELH30A has own built-in thernmostat (for the case that there is no boiler/external
thermostat installed, resp. combined connection with room thermostat). Its temperature
sensor has to be inserted into suitable case in water jacket of the boiler. The on- and off-
temperature is adjustable via menu buttons of the burner. Information about actual
operation data is given on display.
NOTE: Head for boiler temperature sensor must not be treated with contact liquid or
paste.
PELH30A has production pre-set range of output 14-30 kW and three degrees of output:
1 (14 kW), 2 (22 kW) and 3 (30 kW).
Selected output degree is projected on display during operation. It is possible to change
output via menu buttons of burner and information on dipslay. It possible to change range
of output in two levels - from 8 to 12kW and from 14 to 30kW and according to this there
are three degrees of output from 8 to 12 kW or from 14 to 30kW in the extended menu.
PELH30A has own self-cleaning grate mechanism. When thermostat reaches adjusted off-
temperature, cycle of burn-out begins and afterwards the grate moves out and it is cleaned
by scraping. This enables longer time of usage, during which it will not be necessary to
remove burner from boiler. Amount of pellets that is possible to combust before the ash is
removed is given by size of the boiler´s ashpan. It is possible to prolong this interval by
automatic ash removal from boiler into ashpan outside of the boiler. Burner is equipped
with control system that regulates gear of the ash removing feeder.
Convectional parts of boiler have to be cleaned in regular intervals to keep high efficiency
of heating.
PELH30A is intended for combustion of wood pellets with diameter of 6-10 mm.
Burner PELH30A is made under industrial norms and prescriptions and it was tested and
approved in conformity with directives about low voltage appliances as well as with
directives about electromagnetic interference.
3