BA-CFD-RLM-ATEX 4.0
– 05/2019
English
EN-15/24
8.
Electrical Connection
8.1. Safety Instructions for Electrical Connection
DANGER!
Danger of electric shock!
Observe the safety instructions and preventive measures in Chapter 4 as
well as the relevant legal requirements.
EN 60204-1, IEC 60364-1 / VDE 0100-100; EN 60079-0, VDE 0170-1;
EN 60079-14, VDE 0165-1.
All fans are delivered ready for connection. The terminal box is easily
accessible. The wiring diagram is in the terminal box. Protection systems are
provided by the customer and are not supplied by Nicotra Gebhardt.
No mains connection operation allowed for models with max. operating
frequency <50 Hz!
Note
As a standard feature the fans are suitable for operation by a frequency
inverter. When operating the fans together with frequency inverter or control
equipment containing electronic components the manufacturer’s
recommendations of are to be observed concerning radio noise suppression
(EMC) (through suitable earthing, cable lengths, cable screening, etc.).
CAUTION
Inspection switches, electronic control units and frequency converters
can cause material damage!
Do not use electronic control units or frequency converters in areas
subject to explosion hazards.
Install inspection switches - except inspection switches approved for
areas subject to explosion hazard – outside the area subject to explosion
hazards.
Note
The standard motors are classified as protection category “Explosion proof
Ex de II”, temperature class T4, for ambient temperature from -20°C to
+40°C (60°C) in accordance with Directive 2014/34/EU (ATEX) and IEC/EN
60079-0, IEC/EN 60079-1.
Current, voltage and frequency of mains supply checked for conformity
with fan type plate and motor rating plate.
Star-delta or soft start provided for motors with a nominal output >4 kW.
Adhere to the output limits imposed by the power supply company.
If necessary, an Isolator must be provided(outside the area subject to
explosion hazards)
All components are provided with an earthing. The fan components are
electrically connected to each other.
The fan is protected against unexpected start!
Chapter 4. „Safety“must be respected!
