Drain
An on-site drain for maintenance is required.
The discharged liquid may contain chemicals. Local regulations for
the disposal of chemicals must be observed.
Related information
5.1 Ambient conditions for Polydos 412E systems
5.3.1 Water quality specification
5.6 Dimensions and weights of the Polydos 412E
6.2 Electrical connection
All electrical connections must be carried out by a qualified
electrician in accordance with local regulations.
All electrical connections must be carried out in accordance with the
separate wiring diagrams delivered with the system.
WARNING
Electric shock
Death or serious personal injury
‐ Switch off the power supply before making any
electrical connections.
‐ Make sure that the power supply cannot be switched
on accidentally.
‐ Check that the supply voltage and frequency
correspond to the values stated on the nameplate.
‐ Make sure all earth connections are established
correctly before switching on the power supply.
Make sure the sense of rotation is correct for all motors.
Radio shielding for connected consumers must be
provided by the customer.
Provide a back-up fuse with correct capacity.
Related information
5.4 Electrical data for Polydos 412E
5.5 Electrical data for components of the Polydos 412E
7. Commissioning
7.1 Commissioning for operation with dry material
Commissioning must be done by certified service persons.
Wear personal protective equipment.
Observe the chemical manufacturer's safety data sheets
(SDS) and safety instructions of the used chemicals.
Make sure that all electrical, hydraulic and mechanical
installation is done correctly and all system components
are ready for operation. The system must be stopped and
control mode must be "Local".
Some pre-assembled mechanical and hydraulic
connections in the system are loosened for transport.
Make sure all connections are tightened before
commissioning.
Do not step on the system. The system is not designed to
carry the weight of a person.
Required tools: scales to weigh the dry material during calibration of
the dry-material feeder.
Initial startup
After switching on the main switch, the PLC and the touch panel
perform a self test.
After approximately 40 seconds the menu System overview is
displayed.
An alarm that indicates wrong input values is displayed, because
the system is not yet correctly parametrised and
commissioned. Acknowledge the alarm after commissioning.
Commissioning menus
This sequence of menus guides the certified service person through
the commissioning procedure.
Menu action
Required user level
Access menu
Change settings
3 System Service
To open the first commissioning menu:
Push this symbol to open the menu System menu.
Push this symbol to open the menu Service menu.
Push this symbol to open the first commissioning
menu.
The first menu guides through the settings of the optional vacuum
loader and through the adjustment of the dry-material level sensor.
PD412E-D1210
Fig. Start-up dry-material feeder
15
English (GB)
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