Pag.3 (Funct. and Maint.Manual n.03 – Fourth edition) OMI.EN-PCP001 R01
1.6.2 Wiring
The wiring of machines equipped with electric motor must be made by the user in
accordance with the instructions set out in standard CEI EN 60204-1:2005.
Take care in:
•
the choice of conductor section, which must be able to bear power at start-up with
locked rotor;
•
connecting the conducting parts of pump to the earthing;
•
connecting phases so as to perform the direction of rotation shown on the pump.
Little leakage of pumped fluid is expected for proper pump functioning.
DANGER!
All electric components installed close to the pump must be protected with casings
ranked IP 66 or higher.
1.6.3 Mobile parts of pump
The rotor of the progressing cavity pump is connected to the driving unit through a joint.
No removal of casings from mobile parts
The pump must not be started before placing and fixing the casing of driving unit.
1.6.4 Leakage of hazardous fluid
Should the pump be used with hazardous liquid such as poisonous, corrosive fluid, etc.,
fluid which may leak from seals must be collected and disposed without causing danger to
people or the environment.
1.6.5 Handling
Some pumps may reach considerable sizes and weights that they cannot be handled by
one single operator manually.
DANGER!
Before handling the pump, read the instructions in sect. 5 of this manual very carefully.