Grindex 8120.280 Sandy Inox, Installation, Operation And Maintenance Manual

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The base should consist of a plank, a bed of coarse gravel, or a cut-down and
perforated oil drum.
Alternatively, the pump can be suspended with a lifting chain just above the
sump bottom. Make sure that the pump cannot rotate at start-up or during
operation.
5. Connect the motor cable and the starter and monitoring equipment according
to the separate instructions.
Make sure that the phase sequence is correct. For more information, see
Check the phase sequence: Pumps with built-in motor protection on page
21.
4.4 Make the electrical connections
4.4.1 General precautions
DANGER: Electrical Hazard
Before starting work on the unit, make sure that the unit and the control panel
are isolated from the power supply and cannot be energized. This applies to the
control circuit as well.
WARNING: Electrical Hazard
Risk of electrical shock or burn. A certified electrician must supervise all
electrical work. Comply with all local codes and regulations.
WARNING: Electrical Hazard
There is a risk of electrical shock or explosion if the electrical connections are not
correctly carried out, or if there is fault or damage on the product. Visually
inspect equipment for damaged cables, cracked casings or other signs of
damage. Make sure that electrical connections have been correctly made.
WARNING: Crush Hazard
Risk of automatic restart.
CAUTION: Electrical Hazard
Prevent cables from becoming sharply bent or damaged.
NOTICE:
Leakage into the electrical parts can cause damaged equipment or a blown fuse.
Keep the cable ends dry at all times.
Requirements
These general requirements apply for the electrical installation:
• If the pump will be connected to the public mains, then the supply authority
must be notified before installing the pump. When the pump is connected to
4 Installation
14 8120.280 Sandy Inox Installation, Operation, and Maintenance Manual