Direct power BP24L20 Panduan Keselamatan dan Pengoperasian - Halaman 11
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Fig 5
Fig 6
Fig 7
Fig 8
24L COMPRESSOR
tank supply tube. When the air pressure in the air
receiver tank reaches the operating pressure of 8
Bar the pressure switch operates and switches OFF
the mains supply to the motor. At the same time
the air that is in the pump cylinder, air receiver
tank, supply tube and the pressure switch is
discharged. This depressurises the pump and the
pressure regulating system allowing the pump to
re-start when the air pressure in the air receiver
tank falls below the minimum operating pressure
of 6 Bar. The pressure switch is fitted with a
delayed discharge valve which will start the air
pump motor. The pressure relief safety valve is set
to operate at 8.5 Bar and is connected directly
onto the air receiver tank and will operate if the
set pressure of 8.5 Bar is exceeded should the
pressure switch fail.
3. OVERLOAD PROTECTION
This compressor is fitted with an overload
protection device, In the event that the motor
becomes too hot a thermal protection device will
cut the mains supply to the motor. When the
motor temperature returns to normal, the mains
supply will be restored automatically.
4.SWITCHING ON AND OFF
Warning! Switching ON & OFF must be done
using the ON/OFF switch mounted on the
compressor. Switching the compressor OFF at the
mains supply can damage the motor and will
invalidate the guarantee.
Before switching on the power supply to the
compressor check that the ON/OFF switch is in the
OFF position (pressed in) (See Fig.5). Check that
the air outlet pressure regulator is closed (See
Fig.6). Check that the water drain cock is closed
(See Fig.7). Connect the compressor to a suitable
13A mains supply. Switch on the compressor by
pulling up the ON/OFF switch (See Fig.8). The
compressor will now start.
BP24L20