13
TIP unit heaters
1.57
Unit heaters with 2-stage three-phase motor / Unit heaters with 1-stage single-phase motor
Installation and operating instructions
8. Electrical wiring
8.1 Safety information
The electrical wiring of this product requires technical knowledge of
electrical engineering. This knowledge, generally learned in vocational
training in one of the fields stated, is not described separately here.
Errors with the wiring can lead to the unit being damaged! The
manufacturer is not liable for any damage to people and materials
caused by the wrong wiring and/or improper handling. Note the
following safety information before starting to work on the controller
and on the TIP unit heater:
Regularly check the unit heater's electrical equipment. Immediately
replace loose connections and faulty cables.
Disconnect the system and ensure that it cannot be accidentally
reconnected.
Only use the wiring diagrams enclosed to carry out the electrical
connection.
Only wire the unit in accordance with currently applicable VDE and
EN guidelines, as well as Technical Wiring Regulations stipulated by
the regional energy supply companies.
Only connect the unit to fixed wiring.
The operator of the unit is responsible for the EMC conformity of the
entire system in accordance with the local applicable standards.
Please read these instructions in full to ensure correct and proper
installation and the correct operation of TIP unit heaters.
8.2 Motor protection
Thermal contacts (temperature monitors) are embedded in the motor
windings, which open when the maximum winding temperature of
155 °C is exceeded. The motor is switched off whenever it inadmissibly
heats up combined with an appropriate protective switch. The motor is
thus protected against overload, over- and undervoltage, unacceptably
high ambient temperature and the rotor jamming.
Thermal contacts meet the conditions for protecting against overloading
of equipment with electric motor drive (VDE 0730). Commercial motor
protection switches or bi-metal trips are not suitable as motor protection
with multi-stage operated motors. Only appropriately wired controllers
or modules or a similar type of switch may be used.
The thermal contacts lock the motor via the single-phase controller each
time the motor heats up inadmissibly.
Содержание TIP 54 Series
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