I.VA.CO. Srl
9
Ed.12/2016
Any foreign object, even very small, could enter the machine and cause serious damages, it is therefore
advisable to install a filter.
It is necessary to dismount the flanges in order to connect the accessories.
Choose adequate accessories and correct size of pipes in order to avoid performance losses.
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It is not advisable to install pipes with a diameter smaller than the inlet/outlet connections, in order
to avoid obstructions and overloads;
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The manifold and the main piping must be adequately dimensioned when machines are installed in
parallel;
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High radius curved pipes should be preferred to elbows;
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Do not install valves with internal passage lower than port nominal diameter and spring mounted
check valves (performance losses are lower with clapet valves);
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In case of installation for air distribution, low resistance diffusers shall be preferred.
It is advisable to install a safety valve to avoid pressure overloads.
Connect the motor and check the rotating direction before piping connection.
The shaft direction of rotation is marked by an arrow on the fan guard of the electric motor.
The gas delivery direction is marked with arrows on both suction and discharge connections.
Pay attention not to confuse the suction and the discharge piping.
12.2 ELECTRICAL CONNECTIONS
Electrical connections must be carried out by trained, specialized and authorized electricians
only.
Check that the motor nameplate data matches with the local power supply in terms of voltage, frequency,
phase and absorbed current. In case of three phase power supply, check that the voltage of all phases is
identical.
Connect the motor earthing properly.
Remove the terminal box cover by loosening the fixing screws; connect the wires as indicated in the
instructions or on the inside of the cover and then reposition the terminal box cover and fix it by tightening
the dedicated screws.
12.3 ELECTRICAL CONNECTIONS DRAWINGS
