7.9. Operation with inverter/converter: the use of this electronic control and regulation equipment must be studied with the utmost
care to ensure that it does not generate electromagnetic disturbances or induced dispersed currents that decrease the safety
standard required by the ATEX classification of the area in which the equipment operates. In any case, the following conditions
must be respected:
- it is compulsory to use the inverter Danfoss VLT FC202
performance.
- it is mandatory to set the internal switching frequency of the inverter to no more than 4 kHz or to the minimum frequency
permitted by the inverter;
- it is compulsory to equip the inverter with the correct battery of filters, between inverter and the motor, for the reduction of [dv/dt];
- it is compulsory to use the inverter only in the modulation range 35 - 60 Hz.
7.10 The max. standard ambient temperature is 40°C; on request, after Caprari S.p.A. checks, a maximum ambient temperature up to
60°C may be accepted, and this temperature will be indicated on electric pump data plate.
marking:
CE
II 2G Ex db h IIB T4 Gb
Legend:
I
II
2
G/M
Ex d
IIB
T4
Gb/Mb
BUREAU VERITAS 1370
TÜV IT22ATEX...X
Dangerous zone
Gases, vapours or mists
Gases, vapours or mists
Gases, vapours or mists
Gases, vapours or mists
Gases, vapours or mists
Caprari S.p.A.
K.M150N.. / K.M100N.. / K.W100N.. / K.D200N.. / K.M200P.. / K.D250P..
I M2 Ex db h I Mb
TÜV IT22 ATEX...X
CE symbol indicating compliance with Directive 2014/34/EU (commonly referred to as ATEX);
specific symbol for the explosion-proof protection;
equipment group declaration (mining);
equipment group declaration (non-mining);
equipment category declaration;
hazard type (explosive atmosphere containing gas, vapours or mists);
protection scheme (d = flame-proof enclosures);
joint construction type (gas group);
temperature class (T4 = 135°C max surface temperature);
explosive atmosphere containing gas, vapours or mists + category of equipment (EPL);
identification number of the Notified Body for verifications during the production phase;
CE type-examination certificate issued by TÜV IT0948
Category according to 2014/34/CE Directive
Zone 0
Zone 1
Zone 2
-
-
(ex VLT8000) series
or more recent Danfoss models with better
1G
2G or 1G
3G, 2G or 1G
M1
M2 or M1
EPL (IEC 60079-0)
Ga
Gb, Ga
Gc, Gb, Ga
Ma
Mb, Ma
996684/ATEX A
12/2021
23
GB