Operation; Use; Cooling; Safety Considerations - ABB MT Serie Manual De Instalación, Funcionamiento, Mantenimiento Y Seguridad

4. Operation

4.1 Use

The motors are designed for the following conditions unless
otherwise stated on the rating plate.
- Normal ambient temperature limits are -20°C to +40°C.
- Maximum altitude 1000 m above sea level.
- Tolerance for supply voltage is ±5% and for frequency
±2% according to EN / IEC 60034-1 (2004).
The motor can only be used in applications it is intended
for. The rated nominal values and operational conditions
are shown on the motor rating plates. In addition, all
requirements of this manual and other related instructions
and standards must be followed.
If these limits are exceeded, motor data and construction
data must be checked. Please contact ABB for further
information.
WARNING
Ignoring any of given instructions or maintenance of
the apparatus may jeopardize the safety and thus
prevents the use of the machine.
EN-10
ABB Motors and Generators | Low voltage motor manual 01-2009

4.2 Cooling

Check that the motor has sufficient airflow. Ensure that no
nearby objects or direct sunshine radiate additional heat to
the motor.
For flange mounted motors (e.g. B5, B35, V1), make sure
that the construction allows sufficient air flow on the outer
surface of the flange.

4.3 Safety considerations

The machine is intended for installation and use by qualified
personnel, familiar with health and safety requirements and
national legislation.
Safety equipment necessary for the prevention of accidents
at the installation and operating site must be provided in
accordance with local regulations.
WARNING
Do not carry out work on motor, connection cables
or accessories such as frequency converters,
starters, brakes, thermistor cables or heating
elements when voltage is applied.
Points to observe
1. Do not step on the motor.
2. The temperature of the outer casing of the motor
may be too hot to touch during normal operation and
especially after shut-down.
3. Some special motor applications require special
instructions (e.g. using frequency converter supplies).
4. Be aware of rotating parts of the motor.
5. Do not open terminal boxes while energized.