Installation And Initial Start-Up - BACHOFEN Trimod Besta XI 8 Série Mode D'emploi

4.

Installation and initial start-up

During installation, the correct operating position must be observed.
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
class 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.
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
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 to the wires according to the connection diagram (see inside the
housing cover and instructions). All terminal connections are self-opening. Connect the earth A
(inside the housing) and equipotential bonding B (external, near to cable entry).
3. First close the cover and then apply the supply voltage!
Connection diagram
www.trimodbesta.com
1)
that are used must correspond to the industry standard for material, pressure
Seal
Garlock Blue Gard 3000
Type
XI...8, XIE9...8,
X2I...8, X2IE9...8,
X5I...8, X5IE9...8
XIN...8, XINE9...8,
X2IN...8, X2INE9...8,
X5IN...8, X5INE9...8
XII...8, XIIE9...8,
X2II...8, X2IIE9...8,
X5II...8, X5IIE9...8
Stud Stud
Carbon Stainless
steel steel
18 Nm (²) 22 Nm (²)
11 │ 24
1)
and
Connection diagram
LTB004X │ 2016.08