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The eLine Brand 

Congratulations on choosing your eFlex underfloor heating product from the eLine 
range of underfloor heating solutions.
The eLine range has been manufactured to exceed all relevant standards and 
expectations considering ease of installation and usability through the lifetime of the 
product.

The eFlex Product 

The eFlex is a thin (4mm) twin conductor, 10w per linear metre constant wattage 
heating cable, with a pre-terminated 2.5m cold tail (power cable) attached.
Twin conductor product design ensures a simple installation for either a warm floor or 
total heating solution. 
The fixing strip provided with the eFlex kit, allows installation of the eFlex at variable 
spaces (minimum 50mm) consequently altering the heat output to your own 
requirements.

Tools needed for installation

You will require the following items to install and test the eFlex system:

•  Tape measure drawing pad and pencil
•  Cable strippers and screw driver
•  Resistance tester (multimeter)

The complete eFlex system

•  Heating cable 

 

•   eGauge measuring tape

•  Sensor tube 

 

•   eFix double sided tape

•  Installation instructions 

•   eMesh

•  Warranty

The following pages contain all the information you will need about the eFlex. 
Please take time to study this information thoroughly before you attempt to install 
this product.

Glossary of Terms

A

  –  Heating element

B

  –  Factory made cold tail joint

C

  –  Cold tail power lead

D

  –  End termination joint

Do’s & Don’ts

Do

Carefully read this instruction manual before starting your installation and 
follow the testing procedure as detailed on page 6. Throughout your installation:

•  Take some time to plan your cable layout considering all obstacles e.g. drain 

 

  covers, kitchen units, bathroom sinks etc.

•  Ensure the floor sensor thermostat is inserted within the flexible tube 

 

  provided, with the floor end of the flexible tube properly sealed (to ensure  
  easy removal of the floor sensor after installation if required).

•  Maintain a minimum of 50mm spacing between the heating element runs 

 

  at all times.

•  Take care not to damage the heating cable and cold tail (power cable) whilst 

 

  screeding the floor area.

•  Ensure all the yellow heating element is covered with the tile adhesive 

 

  or flexible self levelling compound.

•  Ensure the floor surface is correctly prepared before installation (see page 4).
•  Ensure the entire yellow heating element is installed within the floor.
•  When using more than one eFlex from a single supply, cold tails must be 

 

  connected in parallel. 

•  When using foil faced insulation ensure all insulation joints are properly 

 

  taped to prevent the eFlex from slipping in-between insulation panels.

•  Ensure the eFlex is evenly spaced across your complete free floor area.

Don’t

•  Cut or shorten the yellow heating cable. 
•  Cross or touch the yellow heating cables together. 
•  Switch your under floor heating system on for a minimum of 7 days after 

 

  tiling to allow correct curing of tile adhesives and grouts.

•  Connect the heating element to the power supply whilst still rolled up.
•  Leave rolled up surplus cable under kitchen units or bath spaces.
•  Commence installation of your floor surface before testing your eFlex. See page 7.
•  Tile over damaged or twisted cables.
•  Install heating cables closer than 50mm.

Introduction

Important notes, please read carefully before proceeding with installation 

Summary of Contents for eFlex

Page 1: ...eFlex Installation Manual www electricunderfloorheating co uk Before you begin installing read through these instructions carefully and check that you have all the components required...

Page 2: ...etailed on page 6 Throughout your installation Take some time to plan your cable layout considering all obstacles e g drain covers kitchen units bathroom sinks etc Ensure the floor sensor thermostat i...

Page 3: ...switch greater electrical load than 16A a suitably sized thermostat or electrical contactor MUST BE INSTALLED Please consult our Help Line if in doubt 08714 740 818 We recommend that all eFlex system...

Page 4: ...tween any panels used Step 3 Directly below the electrical connection point install the 10mm flexible tube the flexible tube must be situated in between two cable runs see step 6 The floor sensing pro...

Page 5: ...heating cable onto the double sided adhesive tape using the eGauge for guidance Continuelayingcableuntil totalfloorareaiscovered Allheatingcablemustbe used any excess heating cable must be reconfigure...

Page 6: ...able 600W 3 6 m 167W m 6 Using the calculated watts per m of your room refer to the lookup table below for an indication of the required cable spacing to ensure even cable spacing across the floor and...

Page 7: ...ered timber or vinyl floors a flexible self levelling compound should be used Heating Cable ResistanceTest This test is carried out to prove continuity of the heating element A low resistance ohm mete...

Page 8: ...instructions eFlex not correctly connected with thermostat Refer to thermostat instructions Floor temperature sensor not connected Refer to thermostat instructions Faulty sensor thermostat Contact the...

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