8
9. FITTING THE CABLE TO THE FLOOR:
Feed the cable end (marked with *******) through the electrical pipe to the back box for
the thermostat. The word "splice" must stay visible. Splice must be covered by screed.
Fix the spacer strips at 500 - 600 mm centres with masonary or Hilti nails. Attach the
cable in a zigzag fashion with a distance between the cable as required.
If reinforcing is used (*Smooth Weld mesh at 100mm square) plastic tie wraps can be
used for attaching the cable directly to the reinforcing.
Extend the 2nd electrical pipe to about 50 cm from the wall and have it end in the mid-
dle of a cable loop. Pull the sensor cable to the back box and ensure that the sensor is in
the conduit. Ensure the cap is placed on the end of the conduit so that replacing the sen-
sor is always possible.
Please contact the KLIMA Technical Department (0870 411 1115) if you require assis-
tance on the spacing of the cable.
*Refer to centre pages.
10. APPLYING THE MORTAR:
10 A: APPLIED DIRECTLY TO A CONCRETE SUBFLOOR:
1. Lay the spacer strips at 500 -600mm centres. Attach the cable at the desired/
specified spacing.
2. Ensure a good bond by brushing the subfloor with cement powder or PVC glue.
3. Then apply a layer of sand/cement screed (5/6:1) of 3.5 to 5.0 cm. Allow it to cure
before the tiles can be laid or other types of floor coverings applied.
4. This method of application is also suitable for applying pourable liquid screeds in
thicknesses of between 3 and at most 6 cm.
5. Protect the cables when bringing in the cement or grout by using duckboards. Never
use wheelbarrows with unprotected footrests.
NB: For large spaces it is necessary to create or observe expansion joints in multiples of
approx. 40/50 m2. The cables may not cross the expansion joints to avoid damaging
the cables.
6. Remember to take the resistance readings throughout this installation process.
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