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VIII. Additional
information for the use
of the generator
CONTENT OF OXYGENOUS
COMPOUNDS IN THE FUEL
y The content of oxygenous compounds in car petrol
must meet the current requirements of norm EN 228,
further information in chapter Technical specifications.
Under no condition prepare the fuel blend yourself but
instead procure it only at a fuel station. Do not modify
the composition of the purchased fuel (excluding the
use of a fuel conditioner). Use only good quality lead-
-free car petrol.
OIL SENSOR AND MONITORING
THE OIL AMOUNT
y The generator is fitted with an oil sensor (fig. 4, position
4) that shuts off the engine when the oil level falls below
a critical limit, and thus prevents damage to the engine
resulting from insufficient lubrication. In the event that
there is an insufficient amount of oil in the crankcase,
the oil sensor will prevent the generator from starting
up. The presence of this sensor does not entitle the
operator to omit regular checks of the amount of oil
in the engine's oil tank.
y The oil sensor must not be removed from the generator.
DIGITAL METER OF OUTPUT
VOLTAGE, FREQUENCY AND
OPERATION HOURS.
y The generator is equipped with a digital motor hours coun-
ter from the last start (the counter is automatically reset to
zero when the engine is turned off) as well as a total motor
hours counter from the first start of the generator, the out-
put voltage and frequency, (see fig.1, position 2).
It is possible to use the button (fig. 1, position 3) on the
control panel to switch between the individual measu-
red values.
GROUNDING THE GENERATOR
y In terms of protection against dangerous contact
voltage on non-live parts, the generator meets the
requirements of the currently valid European Directive
HD 60364-4-4 for protection by electrical isolation. The
103
requirements of this directive are entered into national
electro-technical norms of the given country (in the
Czech Republic this is norm ČSN 33 2000- 4- 41 inclu-
ding valid annexes, if they exist).
y Norm EN ISO 8528-13, which specifies safety require-
ments for generators, requires that the user's manual of
the generator includes the information that the genera-
tor does not need to be grounded in the case where the
generator meets the aforementioned requirements for
protection by electrical isolation.
y The grounding terminal with which the generator is
equipped is used for unifying the protection between
the circuits of the generator and the connected electri-
cal device in the case where the connected electrical
device has Class I. protection or the electrical devi-
ce is grounded, where it is then also necessary to
ground the generator for the requirements of dire-
ctive HD 60364-4-4 (in the Czech Republic it is norm
ČSN 33 2000-4-41) to be met. Grounding must be per-
formed using norm compliant grounding devices and
must be carried out by a person with the required pro-
fessional qualifications based on the conditions where
the generator is located and operated.
USING AN EXTENSION CORD
FOR CONNECTING ELECTRICAL
DEVICES TO THE GENERATOR
The load capacity of the cables depends on the resistance
of the conductor. The longer the cable used, the greater
must be the cross-section of the conductor (wire/s). Due to
electrical power losses, the greater the length of a cable,
generally the lower is the operating performance at its end.
According to norm EN ISO 8528-13, when using extensi-
on cords or mobile distribution networks, the resistance
value must not exceed 1.5 Ω. The total length of cables
with a conductor cross-section of 1.5 mm
current in the range > 10 A to ≤ 16 A) must not exceed
60 m. With a conductor cross-section of 2.5 mm
a nominal current in the range > 16 A to ≤ 25 A) the len-
gth of the cable must not exceed 100 m (with the excep-
tion of cases, where the generator meets the require-
ments of protection by electrical isolation in accordance
with annex B (B.5.2.1.1.) of norm EN ISO 8528-13.
According to the Czech norm ČSN 340350, the nominal
length of a flexible extension cable with a wire cross-
-section of 1.0 mm
Cu at a nominal current of 10 A
2
(2.3 kW) must not be longer than 10 m, an extensi-
on cable with a core cross-section of 1.5 mm
a nominal current of 16 A (3.68 kW) must then be no
longer than 50 m. According to this norm, the total
length of a flexible power cable including extension
cords should not exceed 50 m (if, for example, this is an
extension cord with a cross-section of 2.5 mm
For reasons of cooling, the extension cord must not be
wound up or wound on to a spool, but must be fully
unwound along its entire length in order to be cooled
by the temperature of the ambient environment.
(for a nominal
2
(for
2
Cu at
2
Cu).
2
EN
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