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FOREWORD
SINCRO DECLINES ALL LIABILITY FOR DAMAGES TO
PERSONS OR OBJECTS DUE TO IMPROPER, INCORRECT OR
UNREASONABLE USE OR FAILURE TO RESPECT CURRENT
ACCIDENT PREVENTION REGULATIONS.
The user instructions represent an integral part of the machine,
they must be consulted before, during and after start up.
For you to get the best out of the appliance you have purchased and
to avoid errors when using it, please read carefully all the pages
that follow.
The instructions manual, together with adequate user experience,
guarantees appropriate use of the product.
This user manual has been drawn up in conformity to EEC Machine
Directive 98/37 and later amendments.
Special care has been given to all aspects regarding safety and ac-
cident prevention.
The instructions manual must be kept for future reference until the
machine is scrapped; it must always be available for consultation
in the vicinity of the machine and kept properly (in a dry, protected
place, out of direct sunlight, etc.).
The instructions given in this manual are not a substitute but an
integration of the responsibilities prescribed by current legislation
on safety and accident prevention.
WARRANTY
Sincro S.r.l. guarantees the Agrowatt and Agroweld series for a period
of 24 months starting from the invoice issue date. We confi rm that
warranty is directed only to Sincro customers to which we respond.
Sincro does not grant warranty to those who have not directly purchased
the product from the factory, in spite of the possession of it.
Within the above mentioned terms, Sincro commits itself to supply
free of charge those spare parts that, according to its judgment or to
the one of an authorized representative, appear with manufacturing
or material defects or, always to its judgment, to directly or through
an authorized centre carry out the repairing without undertaking
transport costs.
We anyhow exclude forms of responsibility or obligation for other
costs, damages and direct or indirect loss caused by the total or partial
usage or impossible usage of the products.
The repairing or the substitution will not extend or renew the war-
ranty duration.
Warranty will not be granted: whenever break-downs or problems
may appear because of lack of experience, usage over the nominal
performances, if the product had been modifi ed or should return
incomplete, disassembled or with modifi ed nameplate data.
For the warranty request, the customers must follow the procedure
described on the yellow card included in the user's manual, which
is supplied with each product.
TECHNICAL INFORMATION
The alternator is an electrical appliance designed to transform me-
chanical energy into electrical energy.
In this application mechanical energy is obtained from the power take
off of a tractor by means of a gimbal ring (sized according to the power
in question). The gimbal ring is coupled to an overgear that adapts the
tractor's revolutions to the speed required by the alternator.
The generator's frequency and voltage depend directly on its speed
of rotation: so this must be kept as constant as possible under any
kind of load.
The tractor's speed regulation system gives a slight drop in revolutions
between idle and under load. Therefore it is recommended to adjust
the idle speed to 3÷4% over rated speed which, in terms of voltage
means 400÷410V and in terms of frequency means about 52 [62]Hz.
If different values are found, check the number of revolutions.
The alternator is self-excited by its residual magnetism and self-
regulating by a compound system (i.e. series-parallel excitation). The
regulation system enables a voltage precision (steady, with constant
revolutions and with balanced loads) of ±5%.
The alternator's output terminals are factory wired in a star connec-
tion. This allows the supply of 400V three phase voltage across the
three terminals U1 -V1 -W1, and a 230V single phase voltage across
any one of these three terminals and neutral.
The rated power can only be supplied with three phase, the maxi-
mum power supplied in single phase is 40% of rated power. A single
phase load creates a considerable unbalance between the three
phase voltages so make sure that this unbalance is acceptable with
mixed loads.
The machine is supplied with IP23 protection (according to CEI EN
60034-5, CEI EN 60529 ), this means that it is protected against the
entry of solid bodies having a diameter over 12mm (e.g. a fi nger),
and against vertical water droplets.
The machine's rated power is guaranteed up to an ambient
temperature of 40°C.
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