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14.2.
GLASS CLEANING
Through a specific secondary air inlet, the formation of deposits of dirt, on the door glass, is effectively slowed down.
It cannot, though, ever be avoided with the use of solid fuels (e.g. damp wood) and this should not be considered a
defect of the appliance.
IMPORTANT: the cleaning of the panoramic glass must only be carried out when the thermocooker is cold, in
order to prevent it exploding. Do not use cloths or products which are abrasive or chemically aggressive.
The correct lighting phase, the use of proper quantities and types of fuels, the correct position of the secondary air
regulator, enough draught of the chimney-flue and the presence of combustion air are the essential elements for the
optimal functioning of the appliance and for the cleaning of the glass.
GLASS BREAKAGE: as the glass parts are in ceramic glass, resistant up to a sudden thermal change of
750°C, they are not subject to thermal shocks. Their breakage can only be caused by mechanical shocks
(knocks or violent door closing etc.). Therefore replacement is not covered by the warranty.
14.3.
ASH DRAWER CLEANING
All LA NORDICA thermocookers have a furnace grill and a drawer for ash
collection. It is advisable to empty the ash drawer periodically and prevent it
filling up completely, so as not to overheat the grill. In addition, it is
advisable to always leave 3-4 cm of ash in the furnace.
CAUTION: the ash removed from the furnace must be replaced in a
recipient for fireproof material equipped with an airtight cover. The
recipient must be placed on fireproof flooring, away from flammable
materials until the ash is completely out and cool.
IMPORTANT: if for whatever reason the grill is removed from the furnace,
take care to reassemble it with the wider part of the slit facing
downwards. This is to aid furnace cleaning (Picture 13).
14.4.
MAINTENANCE ON THE WATER SYSTEM
With the system switched off, once a year carry out the following checks:
•
Check the operation and efficiency of the blowdown and safety valves. If they are defective, contact your
authorised installer. IT IS STRICTLY FORBIDDEN TO REMOVE OR TAMPER WITH THE SAFETY
DEVICES.
•
Check the thermal insulation of the filling pipe and the safety pipe.
•
Make sure that the system is filled and under pressure, checking the water level in the expansion tank; also
check that it is working properly and check the efficiency of the safety pipe.
15.
SUMMER SET ASIDE
WARNING: The system should be kept constantly full of water even in periods in which the use of the wood burning
stove/cooker is not required. During the winter, inactivity must be faced with the addition of antifreeze.
After having cleaned the furnace, the chimney and the flue, ensuring total elimination of the ash and other residues,
close all the furnace doors and respective registers and disconnect the appliance from the chimney.
It is advisable to carry out the flue cleaning operation at least once a year; in the meantime, check that the seals are
in good condition as, if not perfectly intact, they do not guarantee good appliance operation! In this case, it is
necessary to replace them.
If appearance is to be maintained over time, protect the cast iron parts with neutral Vaseline.
16.
CONNECTING A FIREPLACE OR OPEN HEARTH TO THE FLUE
The flue gas channel is the stretch of piping which connects the thermoproduct to the flue. In the connection, these
simple but extremely important principles must be respected:
•
under no circumstances use a flue gas channel with a diameter less that that of the exhaust clamp with which
the thermoproduct is equipped;
•
each metre of the horizontal stretch of the flue gas channel causes a slight loss of head which must be
compensated if necessary by elevating the flue;
32
TermoSovrana DSA
Picture 13
7094211 – EN
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