Arca Caldaie ASPIRO DUO TECH, Установка, эксплуатация и обслуживание

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12.2. Boiler problems fixing (wood operation)
Symptoms Possible causes Solutions
The boiler tends to cut off leaving a
curved unburnt wood mass in the
wood chamber. The refiring takes
much time with difficulties in flame
formation.
a) The grate is plugged.
b) Not enough primary air a) Unplug the grate slots
b) Increase the primary air
The flame is noisy and a lot of
white and black ash is produced.
The boiler shows high fuel
consumption.
a) Too much primary air. a) Decrease the primary air.
The flame is short, slow, the power
is abnormally low and the lower
door refractory plate is black. a) Not enough primary air. a) Increase the primary air.
The boiler produces a lot of liquid
tar in the wood chamber.
a) Too wet wood
b) Boiler temperature too low.
c) Long standby times with wood
chamber full of wood.
a) Charge more dry wood
b) Rise the operation temperature
thermostat to 75 - 80 °C
c) Adequate the total wood
quantity charged into the boiler
to the real heat needings.
The fan does not stop and the
boiler does not reach the operation
temperature.
a) Boiler plugged.
b) Pumps not connected.
c) Wood charged without
respecting the recommended
prescriptions.
d) Boiler not correctly
dimensioned to the real heat
needings.
e) See 16,1
a) Clean the boiler in all its parts.
b) Correrctly wire the pumps to
the control board.
c) When charging the wood, be
careful not to leave empty
spaces.
d) Progressively open one after
the other the existing heating
system zones.
For any problem we recommend to have the boiler inspected by qualified personnel only
and/or an authorized assistance center.
12.3. Boiler problems fixing (automatic burner operation)
Symptoms Possible causes Solutions
a) The fuel is not feeded.
a) Check the fuel tank: -
could be empty.
- the auger motordrive could
be blocked for mechanical or
electric reasons (call an
authorized technical
assistance Center).
b) The electric ignition resistance
does not get hot.
b) Replace the resistance.
The boiler does not fire or cuts off
frequently.
c) The burner grate is plugged by
combustion clinkers.
c) Open the boiler top door and
check the combustion area of
the burner.
If required, unplug the ignition
resistance air passage and
clean all over the grate
surface.