COLDBUSTER FLOORHEATING Timber Installationshandbuch - Seite 13

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Damage and Repair

If the monitor sounds an alarm and the LED lights up red during installation, stop work immediately

and remove the flooring and adhesive where the damage has occurred

If the damage is not clearly visible, use an insulation tester set at 1000V connected to the element

and the earth screen. This should create a spark where the damage has occurred

The repair can be done in the following manner:

1. Strip back the outer insulation of the cold tail & cut off about 100mm of (non-resistive wire)

brown, blue & earth wire (A).

2. On each of these lengths, strip off the insulation to expose about 10mm of copper at each end.

3. Using a blade, strip about 25-40mm of the outer Nylon coating off the heating element (B)

4. Separate the earth screen (D) from the insulated 2inner cores (E&F) and twist the strands of the

earth screen (D) together

5. Strip about 10mm of the Polymer coating of the 2 elements (E&F) by heating it with a lighter

flame until it melts, then pull it off

6. One at a time (2 elements & earth wire), slip a crimp tube over the end

7. Insert respectively the non-resistive wire into the crimp tube. i.e. I&F, E&H and D&G. The

green/yellow earth wire (G) is the only wire that must be connected to the outer earth screen

braided wires (D) that were twisted together earlier

The 10mm ends of the non-resistive wire & the element end should now be side by side with the

crimp tube over it

The crimp tube can now be crimp together with the correct crimping tool. If crimps are not

available, the connection can be soldered

8. Before doing the other ends, slip a 2 x 25mm heat shrink tube over the crimp of each wire (H&I)

of the heating element and shrink with heat – the earth wire (G) does not need a heat shrink tube

over it

9. Recess the repair joins and cover with hot melt glue or non-conductive silicon

Electrical connections and repairs must be undertaken by a licensed electrician

Coldbuster sells repair kits