4.
remove the covers of the openings before checking the direction of rotation and final connection.
WARNING !
It is absolutely prohibited to start up the unit before fitting the protective covers.
The unit is designed for conveying flammable gas and is sealed.
Do not start up the machine before connecting and activating the monitoring system of the unit and the plant.
10.3 ELECTRIC MOTOR
• Improper conduct may cause serious injury and even death!
• Only authorised, qualified electricians in possession of training and authorisation certificates are permitted to carry out work
on electrical equipment (installation, maintenance)!
• Before starting work on the unit or plant, it is necessary to take the following precautions:
- make sure that the line is NOT connected with electrical power mains;
- take precautions to prevent electricity from being reconnected;
- open the terminal box only after making sure that there is absolutely no live electricity!
• The terminal box must not contain:
- foreign bodies;
- impurities;
- humidity.
Close the terminal box with the cover, and seal the cable gland openings to prevent dust, water and humidity from penetrating
inside.
Check the seals periodically.
•
Touching a defective unit could cause an electric shock!
Mount the trip switch.
Have the electrical equipment checked regularly by an electrician.
WARNING !
Limits exist if the motor has to be started a number of times over a period of one hour. Exceeding these limits are exceeded
could seriously damage the unit.
Consult the instruction manual of the electric motor for more information.
10.3.1
CONNECTION
WARNING !
Incorrect connection of the motor could seriously damage the unit.
The power supply for the motor and any auxiliary equipment must be provided using cables of suitable section to avoid abnormal
overheating and large voltage drops.
Check that the details on the data plate are compatible with the line voltage and frequency.
Connect the motor's earth cable to the relevant terminal marked with this symbol
check the dispersion capacity. The earth cable can be recognised by its colour (yellow/green).
Connect the machine to the earth system also, using the specific hole (marked with the relative symbol) located on the base of the
unit.
This connection to the main supply must be formed as shown in the wiring diagram contained in the terminal box.
Use the cable gland openings to allow power supply cables to pass into the terminal box.
Proceed to tighten the power supply cables, taking the section of the electrical cables into account each time.
ENERGOEKONOM spol. s r.o., Wolkerova 433, CZ-250 82 Úvaly, Czech Republic, Tel.: +420 281 981 055,
[email protected], www.energoekonom.cz
Check the direction of rotation of the motor
(see point 4.2.3 DIRECTION OF ROTATION)
Danger arising from absent protective covers
Danger of explosion!
Comply with safety measures and instructions in the instruction manual of the electric motor.
Danger due to electricity!
always before connecting to the mains supply and
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