Installation And Connection - Buhler Smartline Notice De Montage

Smartline

4 Installation and connection

4.1 Assembly Instructions
1. Check the type plate specifications prior to installation:
Do the type, version, voltage, output and operating tem-
perature meet your requirements?
2. Visually inspect: Does this version match the version you
ordered? When in doubt, check the documents. Does the
portable probe meet the requirements at the job site?
3. If the line is secured with brackets, pressing on it must
not reduce the outside diameter by more than 10 %. Ex-
ceeding the 10 % limit may damage the heating con-
ductor, control lines and sensor leads.
4. If there are control wires inside the heating tube, please
note the electrical power rating of these wires. The stand-
ard cross-section is 0.75 mm
5. Always use suitable temperature control devices with
non-self regulating lines. The controller output, sensor
type and temperature range must match.
6. Be sure to connect the portable probe to a controller with
the correct specifications. An inverted detector allows the
probe to heat until it is destroyed.
7. When installed outdoors, the portable probe must be pro-
tected from the wind, as this could cool it and potentially
prevent it from reaching the target temperature. It fur-
ther should not be exposed to rain or direct sunlight for
extended periods.
8. Do not pull the portable probe by the fittings. All fittings
will withstand pressure but are susceptible to pulling.
9. Do not pull the portable probe by the connection cable.
10. Please note the specific requirements at the job site.
Verify if the materials in contact with the medium are
resistant to or withstand the mediums to be heated (> see
technical data).
11. Check if objects, system components or other items lying
about can damage or impair the function of the portable
probe and clear or remove these.
12. Conductive, exposed parts must be included in potential
equalisation.
We recommend using an I
F
protective device RCD (ELCB).
NOTICE
Minimum bend radii, operating temperature
Depending on the length or nominal cross-section of the port-
able probe, suitable minimum bend radii are required. The
max. operating temperatures are specified in the type plate
and must never be exceeded in any area. Suitable control
equipment must be used to regulate the temperature.
Generally: Minimum bend radius > 5 x tube diameter. Other
bend radii available upon request.
8 Bühler Technologies GmbH
2
.
< 30 mA residual-current-operated
4.1.1 Connecting the portable probe
Assembly draw-
Wrong Correct
1 If the heating tubes
are too short, the
heating tube may
kink at the con-
necting ends.
2 Unfavourable in-
stallation allows
the heating tube to
sag.
3 On rolled heating
tubes strain at the
ends cause tor-
sional stress and
the bend radius
will be below the
minimum.
4 Compression along
the centre line due
to incorrect install-
ation or movement
reduces the pres-
sure resistance. Ex-
pansion compensa-
tion with built-in
tubes will destroy
the tubes.
5 Torsion movement
will destroy the
heating tube. This
is often due to in-
correct installation,
particularly twist-
ing the tube during
assembly.
6 Deflections are par-
ticularly dangerous
due to the risk of
kinking and bend-
ing stress.
7 High bending
stress after the con-
nections is harm-
ful.
Action
ing
Plan for a straight
piece (5 x tube dia-
meter) at the con-
necting ends. A
higher bend radius
will increase the
life.
Supports or reels
with counter-
weight.
Unroll the heating
tube ring, do not
remove the heating
tube.
Observe minimum
bend radii. (5 x
tube diameter)
Bend at connec-
tions.
Be sure the tube
axes are parallel
and movement is
in one plane. Use a
locking key during
assembly to pre-
vent the tube from
twisting.
Select the correct
diameter saddle or
pulley.
Use an elbow
BX464002 ◦ 08/2020