Installation And Initial Start-Up - Trimod Besta LTB008X Instrucciones De Servicio

4.

Installation and initial start-up

During installation, the correct operating position must be observed.
For side mounting, observe the «Top» arrow on the type plate.
The float must be able to move freely over the whole range of movement and must not be restricted by
the tanks walls or by fittings in the tank.
Installation positions that are subject to turbulence impair the function and should always be avoided.
Process connection flange – Industrial range
For switches in the industrial range with flanges according to DIN, ANSI, etc., the seals
connecting studs
and type of seal and must be tightened to the corresponding tightening torques.
1)
not a component of the supply
In case of uncertainty on any point, refer to the corresponding standard or consult the manufacturer.
Switches incl. flange for high / low temperature applications may not be insulated.
Process connection flange – Standard range
For switches of the standard range PN 25 (360 psi), corresponding seals are supplied with the unit.
Minimum tightening torques and tightening sequence:
Flange D
01 / 011 92 mm
2)
Data refer to lubricated studs
3)
High / low temperature application (graphit gasket)
Switches incl. flange for high / low temperature applications may not be insulated.
Connecting
1. Loosen the cover screws, remove the protective plug from the cable entry and fit the cable gland.
2. Insert the cable and connect the wires according to the connection diagram (see inside the
housing cover and instructions). All terminal connections are self-opening.
Type
I... , IE9...
IN... , INE9...
II... (= I + IN)
IIE9... (= IE9 + INE9)
3. Connect the earth (inside the housing) and equipotential bonding (external, near to cable entry).
4. First close the cover and then apply the supply voltage!
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1)
that are used must correspond to the industry standard for material, pressure class
Seal
Garlock Blue Gard 3000
Reinz Chemotherm
Function Connection diagram
≤ 1,0 mA
≥ 2,2 mA
≥ 2,2 mA
≤ 1,0 mA
Stud Stud
Carbon Stainless
steel steel
2)
18 Nm 22 Nm
3)
10 │ 24
1)
and
2)
Grounding
Equipotential
bonding screw
LTB008X │ 2016.04