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LA NORDICA ISOTTA EVO Benutzerhandbuch Seite 39

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suMMER sTop
After cleaning the hearth, chimney and hood, totally eliminating the ash and other eventual residues, close all the doors of the hearth
and the relevant registers; in case you disconnect the appliance from the chimney you must close its openings in order to let work
others possible appliances connected to the same flue.
wE SUggEST PERFORMINg ThE CLEANINg OPERATION OF ThE FLUE AT LEAST ONCE PER yEAR; VERIFyINg IN
ThE MEANTIME ThE ACTUAL STATUS OF ThE ROPE SEALS, whICh CANNOT ENSURE ThE gOOD OPERATION OF ThE
EqUIPMENT IF ThEy ARE NOT IN gOOD CONDITION AND ARE NOT MAkINg A gOOD SEAL! IN ThIS CASE ThE SEALS
MUST BE REPLACED.
IN PRESENCE OF DAMPNESS IN ThE ROOM whERE ThE PRODUCT hAS BEEN PLACED, wE ADVISE yOU TO PUT
ABSORBENT SALTS INTO ThE hEARTh.
IF yOU wANT TO kEEP FOR LONg ThE AESThETIC LOOk OF ThE COOkER IT IS IMPORTANT TO PROTECT ITS
INTERNAL wALLS IN ROw CAST IRON wITh NEUTRAL VASELINE.
RouTINE MAINTENANCE pERfoRMED by quAlIfIED TEChNICIANs
RouTINE MAINTENANCE MusT bE pERfoRMED AT lEAsT oNCE A yEAR.
USINg wOOD AS SOLID FUEL, ThE gENERATOR REqUIRES ANNUAL ROUTINE MAINTENANCE, whICh MUST BE
PERFORMED By A quAlIfIED TEChNICIAN, usINg oNly oRIgINAl spARE pARTs.
FAILURE TO COMPLy CAN jEOPARDISE ThE SAFETy OF ThE APPLIANCE AND MAkE ThE wARRANTy NULL AND VOID.
Respecting the frequencies of cleaning reserved for the user described in the use and maintenance manual, the generator is
guaranteed correct combustion over time, preventing any anomalies and/or malfunctioning that could require more interventions of
the technician. REqUESTS FOR ROUTINE MAINTENANCE ARE NOT CONTEMPLATED IN ThE PRODUCT wARRANTy.
gAsKETs
The gaskets guarantee the tightness of the product and its consequent good functioning.
ThEy MUST BE CONTROLLED PERIODICALLy. ThEy MUST BE REPLACED IMMEDIATELy IF ThEy ARE wORN OR DAMAgED.
ThESE OPERATIONS MUST BE CARRIED OUT By A qUALIFIED TEChNICIAN.
CoNNECTIoN To ThE fluE
VACUUM AND CLEAN ThE PIPE ThAT LEADS TO ThE FLUE yEARLy OR ANy TIME ThAT IT IS NECESSARy. IF ThERE ARE
hORIZONTAL TRACTS, ThE RESIDUE MUST BE REMOVED BEFORE IT CAN PREVENT ThE PASSAgE OF ThE FUMES.
CAlCulATIoN of ThE ThERMAl powER
There is not an absolute rule for calculating the correct necessary power. This power is given according to the space to be heated,
but it depends also largely on the insulation. On an average, the calorific value necessary for a properly insulated room is 30 kcal/h
per m
(for an external temperature of 0°C).
3
given that 1 kw corresponds to 860 kcal/h, it is possible to adopt a value of 35 w/m
Let's suppose one wishes to heat a room of 150 m
150 m
x 35 w/m
= 5250 w or 5,25 kw. As main heating, a 8 kw device is therefore sufficient.
3
3
fuel
Dry wood (15% humidity)
wet wood (50% humidity)
wood briquettes
Brown coal briquettes
Normal anthracite
Coke
Natural gas
Naphtha
Electricity
(10 x 6 x 2.5 m) in an insulated apartment. In this case, it is necessary to have
3
Approximate combustion value
unit
kcal/h
kg
3600
kg
1850
kg
4000
kg
4800
kg
7700
kg
6780
m
7800
3
L
8500
kw/h
860
ENGLISH
.
3
Required quantity in relation to
1 kg of dry wood
kw
4.2
2.2
5.0
5.6
8.9
7.9
9.1
9.9
1.0
1,00
1,95
0,84
0,75
0,47
0,53
0,46
0,42
4,19
39

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