Safety Instructions - Danfoss MBT 9110 Handbuch

Installation notes.
For safe installation of MBT 9110 084Z 7443 the following must be observed. The module shall only
be Installed by qualified personnel who are familiar with the national and international laws,
directives and standards that apply to this area.
Year of manufacture can be taken from the first two digits in the serial number.
The sensor circuit is not infallibly galvanic isolated from the input circuit. However, the galvanic isola-
tion between the circuits is capable of withstanding a test voltage of 500Vac during 1 minute.
In a potentially explosive gas atmosphere, the transmitter shall be mounted in an enclosure in order
to provide a degree of protection of at least IP20 according to EN60529.
If the transmitter is installed in an explosive atmosphere requiring the use of equipment of category
1G and if the enclosure is made of aluminium, it must be installed such, that even in the event of
rare incidents, ignition sources due to impact and friction, sparks are excluded; if the enclosure is
made of non­metallic materials, electrostatic charging shall be avoided.
For installation in a potentially explosive dust atmosphere, the following instructions apply:
The transmitter shall be mounted in a metal enclosure form B according to DIN43729 that is provi-
ding a degree of protection of at least IP6X according to EN60529, that is suitable for the applica-
tion and correctly installed.
Cable entries and blanking elements shall be used that are suitable for the application and correctly
installed.
For an ambient temperature ≥ 60ºC, heat resistant cables shall be used with a rating of at least 20 K
above the ambient temperature.
The surface temperature of the enclosure is equal to the ambient temperature plus 20 K, for a dust
layer with a thickness up to 5 mm.
Danfoss A/S
Danfoss Industrial Automation
DK 6430 Nordborg Denmark
Phone +45 7488 2222
IC.PS.P40.B2.52/520B2754

Safety instructions

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