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Nordica WF25 DSA Anweisungen Für Die Aufstellung, Den Gebrauch Und Die Wartung Seite 25

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TERMOCAMINO WF25 DSA - WF25X DSA - WF PLUS DSA
10.3. CLEANING THE FLUE
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.
The device should be completely cleaned at least once a year or every time it isaaa needed (in case of bad working and low yield). An
excessive deposit of soot can cause problems in the discharge of smokes and fire in the flue.
The cleaning must be carried out exclusively with cold equipment. This operation should be carried out by a chimney sweeper who
can simultaneously perform an audit of the flue (checking of possible deposits).
Excessive incrustation deposits on the inner walls of the hearth considerably reduce the efficiency of heat exchange; therefore, remove
these deposits using a steel brush whenever necessary. Never use corrosive substances that can damage the thermo-fireplace and
the boiler.
During the cleaning, it is necessary to remove the ash drawer, the grating, and the smoke deflectors from the device in order to ease the
fall of the soot. The deflectors can be easily extracted from their seats since they are not fastened using screws. Once the clearing has
been carried out, place them back in their seats
CAUTION: The lack of the deflectors causes a strong depression, with a too fast combustion, an excessive consumption of wood
with related overheating of the device.
The A and B parts
(Abbildung 16 at page
of bad working and low yield). The A and B parts can be easily extracted from their seats since they are not fastened using screws. Once
the clearing has been carried out, place them back in their seats
10.4. MAINTENANCE OF THE EXTENSIBLE GUIDES
To work silently, as well as in a reliable and robust way, the doors are fastened to the extensible ball guides. By using the device continuously,
the lubricant of the guides tends to run out progressively in time making their sliding more difficult and noisy. For this reason, together
with each device a high temperature grease is supplied in order to make the lubrication of the guides possible for the user, in case it
becomes necessary (excessive noise or reduction of smoothness). After having completely lifted the door of the stack, using a syringe,
apply internally on the track on a visible point, as high as possible, two grease balls (corresponding to 0.5 ml of the graduated scale of the
syringe). Pay attention not to exceed the suggested quantity. Repeat the same operation on the other track and lift and lower the door many
times so that the grease distributes on all balls. CAUTION: use exclusively the grease supplied by La NORDICA.
10.5. MAINTENANCE ON THE WATER SYSTEM
Excessive incrustation deposits on the inner walls of the hearth considerably reduce the efficiency of heat exchange; therefore, remove
these deposits using a steel brush whenever necessary. Never use corrosive substances that can damage the thermo-fireplace and
the boiler.
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.
11. 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
an external temperature of 0°C).
Given that 1 kW corresponds to 860 kcal/h, it is possible to adopt a value of 38 W/m
Let's suppose one wishes to heat a room of 150 m
x 38 W/m
= 5700 W or 5,7 kW. As main heating, a 8 kW device is therefore sufficient.
3
Fuel
Dry wood (15% humidity)
Wet wood (50% humidity)
Wood briquettes
Brown coal briquettes
Normal anthracite
Coke
Natural gas
Naphtha
Electricity
6095102 - IT-EN-DE-FR
(Picture 10 at page
56).
57) should be completely cleaned at least once a year or every time it is needed (in case
(10 x 6 x 2.5 m) in an insulated apartment. In this case, it is necessary to have 150 m
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
.
3
Required quantity in relation to 1 kg of dry
kW
4.2
2.2
5.0
5.6
8.9
7.9
9.1
9.9
1.0
(for
3
3
wood
1,00
1,95
0,84
0,75
0,47
0,53
0,46
0,42
4,19
25

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Wf25x dsaWf plus dsa