If the blender is provided with a material control valve (underneath the mixing chamber), then this valve should be
mounted under the foot plate of the blender with 4 screws after the blender is installed. Then the pneumatic cylinder of the
control valve should be connected to the redesignated pneumatic solenoid valve (for instruction see chapter 13.4).
After the blender is finally installed, the mixer, mixing chamber and weighbin can be replaced and the front panel can be
closed. The compressed air supply can be connected to the pressure regulator (max. 12 bar). The power supply (240V
and/or 400V) can be connected to the control box of the blender and/or to the separate user-interface. The power supply
should be "clean" with regard to fluctuation and interference. Then the communication cable between the user-interface
and the control box should be plugged in. It is not permitted to put this cable (particularly the RS-422 communication
cable) in a cable-way with high power (flux) cables, this is in connection with interference (induction).
Finally the raw material supply should be connected to the hoppers of the GRAVIMIX blender.
It is advisable, that the hopper loaders mounted on the GRAVIMIX, are provided with a good connection with
earth (PE). This because of the static electricity generated by the transport of raw materials.
For start-up of the blender refer to chapter 4.
9
GRAVIMIX®
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