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Carbon Film  
Installation Instructions 

Page 6 

 

If used, peel the backing from the double sided tape that was fixed 
into the 50mm gap at the edge of the room. 
 
Starting from the point furthest from the connection box, run the cold tails from each element along the room perimeter, 
fixing them to the exposed double sided tape or if tape is not used, lay them carefully in the gap. 
 

DO NOT 

run the cold tails under the heating elements 

Below each of the “cold tail” joints form a cut out in the foam un-
derlay to allow the plastic cover of the joint and the cold tail itself 
to lay within the underlay. Fig. 9 
 
The cut out for the cold tail should extend to the 50mm gap at the 
edge of the room. 
 
If you have installed more than one layer of foam underlay, only 
form the cut-outs in the top layer. 

Step 7

 

Step 8

 

Fig. 9 

Step 9

 

Once the cold tails are in position a resistance test needs to be per-
formed on each individual element for a second time. The desired 
resistance readings for each element are listed on the enclosed room 
test data sheet.  
 
Record the actual reading in the box provided on the data sheet.  

This is a requirement of the guarantee and MUST be performed 
at this stage. 

 The data sheet needs to be retained on site with the 

heating system. 

 
Note.  The cold cables are double insulated, a coloured outer 
and a clear inner. 
 

Fig. 10 

The cold tails can now be joined in parallel at the junction box 
using the 8-way electrical connectors provided. 
 
The junction box should be a double gang blank fronted box of a 
minimum 25mm depth. Fig. 11 
 
The paralleled cold tails should be routed to the junction box and 
connected to a suitably sized supply cable from the thermostat. 
See Fig. 2 Page 3 
 

Note.  The cold cables are double insulated, a  
coloured outer and a clear inner.  

Step 10

 

Fig. 11 

Summary of Contents for Carbon Film

Page 1: ...Page 3 Pre Installation Electrical Provision Page 4 Insulation Underlay Installation Page 5 Carbon Film Installation Under Wood Laminate Flooring Page 8 Notes Trouble shooting Carbon Film Installation...

Page 2: ...ue to their moisture content solid and kiln dried wood floor coverings should be laid but not fixed to allow acclimatisa tion with the heating system energised before final fixing Allowances should be...

Page 3: ...e heating is installed Make the electrical provision as per the diagram Fig 3 The circuit must incorporate a 30mA RCD protection For installations below 13Amp A fused spur or combined spur RCD is reco...

Page 4: ...anley knife or similar Step 2 Leave a gap of approximately 50mm at one edge of the room along where the cold cables are to be run so as to allow them to sit flush under the floor covering when it is l...

Page 5: ...d a coloured outer and a clear inner Carbon Film Installation Under Wood Laminate Flooring Only LIGHT FOOTWARE should be worn Avoid foot traffic on the heating elements and cold tail joints Un pack th...

Page 6: ...Step 7 Step 8 Fig 9 Step 9 Once the cold tails are in position a resistance test needs to be per formed on each individual element for a second time The desired resistance readings for each element ar...

Page 7: ...s being laid a 100micron sheet clear will be provided When fitting Heat Pak over a carbon heating sys tem a 200micron sheet coloured blue has to be used The joints of the sheeting have to overlap by a...

Page 8: ...ectrical contractor in respect of the individual heating circuit ratings relative to the thermostat rating circuit breakers interconnecting cable sizing and switched contactors where the load of the h...

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