31
Laying in the insulation
➜ Lay suction and exhaust air pipes in
sufficiently thick insulation only.
➜ Take settling characteristics into account.
Laying with building joints
➜ Install suitable protective sheathes if
suction pipes and control cables pass
through expansion and building joints.
➜ Use joints for the transition:
The pipe sleeve rests on the expansion
joint.
➜ If the cable does not lie in a separate cable
conduit, ensure permanent strain relief for
the control cable by forming loops.
At low temperatures, RAU-PP (mineral
reinforced) becomes brittle like any other
material and is thus more sensitive to
impacts.
➜ Avoid sudden strains at temperatures
under 0 °C.
Fig. 5-32: Installation diagram for laying in the insulation
1Wall
2 Control cable
3 Unfinished floor
4Insulation
5 Screed
6Carpet
Fig. 5-33: Installation diagram for laying across building joints
1 Expansion joint
2 Control cable
3 Vacuum pipe
4 Protective sheath
6
5
4
3
5
123
100
70
1
2
250 250
3
4
1
2
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