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Installation - for contractors
Installing the ribbon heater
Note
Secure the ribbon heater to the underside of the
pipe.
» Hold the ribbon heater against the pipe parallel to the
pipe run, and secure it with aluminium adhesive tape
or temperature-resistant cable ties every 20 - 30 cm.
» Cover the ribbon heater with aluminium foil along its
entire length to prevent thermal insulation material
penetrating between the ribbon heater and the sur-
face that you want to heat.
» If you are using thermal insulation with a sheet metal
jacket, use an insulation grommet to protect the rib-
bon heater from mechanical damage.
!
Material damage
Make certain that the ribbon heater's supply con-
ductors do not touch each other as this will cause
a short circuit.
» Ensure the ribbon heater is appropriately supported
in the area next to the electrical connection to pre-
vent any pulling, pushing or twisting forces being
applied to the connection.
4.4 Trimming the ribbon heater and
terminator
Note
Use a tool that is appropriate for the cross-section
of the cable.
» Trim the ribbon heater to the required length.
15
D0000032838
» Strip the end of the ribbon heater to a length of
15 mm.
» Pull back the protective braiding.
10
D0000032840
!
Material damage
To prevent short circuiting, trim one of the two sup-
ply conductors to approx. 10 mm.
Note

applying adhesive.
D0000032841
» Apply silicone adhesive to the supply conductors in a
wave pattern.
» Check the end cap for integrity.
~ 40%
D0000032842
» Drip silicone adhesive into the end cap until the cap
is around 40 % full of adhesive.
D0000032848
» Slide the end cap fully onto the end of the ribbon
heater.
» Carry out a visual inspection to check that the end
cap is correctly positioned on the end of the ribbon
heater and is not loose.
4.5 Checks


» Visually inspect the ribbon heater for any mechanical
damage.
» Repair any damage. If the heating circuit is only
short, replace the ribbon heater. If the heating circuit
is long, cut out the damaged section and use a new
section of ribbon.
Note
The insulation resistance must not be below
20 MOhm.
» Measure and log the insulation resistance of the
heating circuit between each individual supply con-
ductor and the protective braiding. The test voltage
is 1000 V.
» Check the function of the heating circuit.
» Repeat the checks once the thermal insulation has

» Identify electrically heated systems with warning la-
bels (e.g. SLHZ stickers) positioned every 5 m.
5. Operation
Note
» Observe local safety regulations.
» Ensure compliance with the permissible oper-

table.
12


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