Master BV Series User Manual

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Consequently it is very important to check
and regulate air output when any modi
cation is made to air heads or air ducts. In
all circumstances you must ensure that:
► The fan motor does not absorb more
current than the maximum permitted limit;
► The volume of air ow corresponds to
the recommended level.
WARNING: Only attach ducts
with allowable constant working
temperature of at least 150ºC (al-
lowable temporary working temp.
at least 180ºC) within the rst 2
meters away from the heater, and
85ºC further away on the entire
length of the circuit.
WARNING: After connecting
distribution ducts, please consi-
der their proper arrangement. To
minimize air ow obstruction and
device load, arrange the air distri
-
bution ducts so that the number
of bends is minimized and limit
the duct bending angle to at least
90° at all times. Moreover, the ini-
tial 2 meters of the duct should
be without bends (Fig. 4).
CONNECTION TO FLUE (Fig. 5, 6, 7)
Thermal efciency and proper functioning
are directly related to correct draft in the
chimney.
► Make sure distance between heater
and chimney is as short as possible, do
not create ciosed angles or chimney sec
-
tion reductions.
► If the heater is not connected to an out-
side chimney, it must be equipped with a
vertical steel ue and a draft regulator.
►►4. RUNNING THE HEATER
TO START THE HEATER
► Set switch (2 Fig. 1) on position “O”,
connect heater to mains (see model plate
for electrical specications).
► If the heater is to be run under manual
control, set switch (2 Fig. 1) on position
. The 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 Fig. 1) on position
. The heater will now start and stop au-
tomatically.
► If after these operations the heater
does not run properly, revert to chapter
“OBSERVED FAULTS, POSSIBLE CAU
-
SE REMEDIES” and nd out reason of
malfunction.
TO STOP HEATER
► In manual mode, set switch (2 Fig. 1)
on position “O” or turn off control in auto-
matic 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 Fig. 1) on position
.
►►5. MAINTENANCE
Troublefree running of your heater requi-
res regular maintenance. Unplug heater
before doing any maintenance work.
CLEANING OF COMBUSTION 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
incorrect ue, incorrect burner setting or
bad quality fuel. Excessive sooting can be
diagnosed if heater has rough starts. Ac-
cess to exchanger is made via two access

Master BV Series Specifications

General

Brand	Master
Model	BV Series
Category	Heater
Language	English