Installation And Start-Up - VARISCO J-ATEX Instrucciones De Seguridad

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  • MX

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II 2/2 G
equipment belonging to group II, category 2, designed for installation in areas where
an explosive atmosphere, made up of a mixture of air and flammable substances
in the form of gases, vapour or mist, may be occasionally present during normal
operation (EN 1127-1 par. 6.3) in the areas outside and inside the pump;"
c
equipment with protection by constructional safety (EN 13463-5);
IIB
group of fluids;
T4
permitted temperature class. The user must process hot fluids in compliance with
this classification taking into account the indications provided in this manual and
the regulations currently in force. The user must furthermore take into account the
sparking temperatures of the gases, vapours or mists present in the area of use;
X
means that there are special conditions concerning the temperature class; refer to
this manual;
safety symbol in compliance with directive 94/9/EC;
symbol denoting conformity to the European directives.

4. INSTALLATION AND START-UP

- check presence of lubricant in the bowl on the mechanical seal;
- check that the pump body is full.
- check that the fluid treated does not or cannot contain solid parts large enough to cause
damage. Check that there are no oxidised steel or ferromagnetic parts, even small;
- check that there are no restrictions in the pump inlet and/or outlet to prevent phenomena
of cavitation or overloading of the motor;
- check that the connection pipes are strong enough and that they cannot become deformed
under the weight of the pump and the suction when connected to the pump;
- if the pump has been switched off for long periods, you are advised to circulate clean
water for a few minutes to avoid the risk of scaling.
- check that the direction of rotation is correct.
- check the general earth and that there is earth continuity between the individual components.
14
Safety instructions in accordance with Directive 94/9/CE - J series

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