Pereko AGRO Multi 12, Operation And Maintenance Manual

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Page Operation and maintenance manual for the AGRO Multi series boilers with feeders. The producer reserves the right to introduce technical modifications.
5. BOILER OPERATION DISTURBANCES – BEFORE CALLING
THE SERVICE
The customer will bear the costs of travel and work of the sere technician in case of the unjusti fi ed calling of producer’s service. There-
fore, before you call the producer’s service please read the section concerning the most often occurring disturbances in boiler operation
and methods of dealing with them.
Symptom Cause Repair
Smoking outwards
insu ffi cient chimney draught remove leaks in chimney, fl ue or boiler doors
insu ffi cient chimney height lift chimney to height min. 1.5 m over roof ridge
too small chimney’s intersection adjust damper of the fl ue, decrease blowing force
very low atmospheric pressure use fan supporting chimney draught
contamination of chimney fl ue clean ducts
Low thermal e ffi ciency of the boiler
combustion of low heat fuel replace fuel with high heat fuel
no supply of air to the boiler-room
facilitate correct air supply through the window or
air supply duct
failure of forced draught fan or controller
re-set parameters in compliance with the user’s
manual or replace with a new one - in good working
contamination of gas passes in smoke tubes chamber clean passes, adjust damper
Moistening and tar deposits inside the boiler
(symptoms similar to leak)
use of wood as a primary fuel in the heating process use fuel recommended by the user’s manual
low temperature maintained in the boiler use boiler having temp. min. 57°C
Leak to be assessed by the producer repair by PEREKO service
Too high chimney’s draught — adjust chimney draught with a damper in boiler fl ue
Fuel suspends in the container
Too moist fuel Remove fuel from the container and dry it
Fuel does not evacuate from the container
ruptured protection of feeder’s split pin
remove item jamming the endless screw and insert
new split pin
Screw-conveyor feeder does not start
no supply check supply
controller switched o ff check the main switch of the controller
switch on motor check switch on motor