Maintenance - Master BV 310 FS Bedienungs- Und Wartungsanleitung

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c needs. In this case and in particular if
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the diameter and length of the ducts have
been changed or if the number of bends
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has been modifi ed, air output may vary.
Consequently it is very important to check
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and regulate air output when any modifi
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cation is made to air heads or air ducts. In
all circumstances you must ensure that:
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► The fan motor does not absorb more
current than the maximum permitted limit;
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► The volume of air fl ow corresponds to
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the recommended level.
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WARNING !!!: Only attach ducts
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with allowable constant working
temperature of at least 150ºC (al-
GB
lowable temporary working temp.
at least 180ºC) within the first 2
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meters away from the heater, and
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85ºC further away on the entire
length of the circuit. We recom-
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mend to use MASTER brand ducts.
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WARNING !!!: After connecting
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distribution ducts, please consi-
der their proper arrangement. To
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minimize air flow obstruction and
device load, arrange the air distri-
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bution ducts so that the number
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of bends is minimized and limit
the duct bending angle to at least
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90° at all times. Moreover, the ini-
PT tial 2 meters of the duct should
be without bends (fig. 4).
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CONNECTION TO FLUE (fig. 5, 6, 7)
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Thermal effi ciency and proper functioning
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are directly related to correct draft in the
chimney.
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► Make sure distance between heater
and chimney is as short as possible, do
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not create ciosed angles or chimney sec-
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tion reductions.
► If the heater is not connected to an out-
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side chimney, it must be equipped with a
vertical steel fl ue and a draft regulator.
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►►4. RUNNING THE HEATER
TO START THE HEATER
► Set switch (2) on position "O", connect
heater to mains (see model plate for elec-
trical specifi cations).
► If the heater is to be run under manual
control, set switch (2) on position
burner will start and after a short time of
combustion chamber preheating the main
ventilator will start.
► If the heater is to be run under automa-
tic control, set desired value on selected
control, set switch (2) on position
heater will now start and stop automati-
cally.
► If after these operations the heater
does not run properly, revert to chapter
"OBSERVED FAULTS, POSSIBLE CAU-
SE REMEDIES" and fi nd out reason of
malfunction.
TO STOP HEATER
► In manual mode, set switch (2) on po-
sition "O" or turn off control in automatic
mode.
► Burner will stop and main ventilator will
stop later when combustion chamber has
cooled off.
WARNING !!!: Never pull plug to
stop heater. Never pull plug befo-
re heater has stopped by it self.
VENTILATION
To run your heater as a ventilator only, set
switch (2) on position
►►5. MAINTENANCE
Troublefree running of your heater requi-
res regular maintenance. Unplug heater
before doing any maintenance work.
CLEANING OF COMBUSTLON CHAM-
BER AND EXCHANGER
This operation must take place at least
once a year when the heating season is
over. Excessive sooting is mainly due to
the
the
.