Help please, newly laid floor not getting very warm

[Gazzer]

I really would try adding a plug to the cable and powering direct 1st. This will isolate or highlight the problem area.
As for the probe, was it inserted into a tube or direct int the insulation. Its always better to use the tube as its simply a matter of pulling one probe out and then re inserting the new one should problems arise.

What has the heating company actually said ?

 

[Alan.P]

If you could watch the electric watchdog thing and operate the stat up and down you should see a rise and fall in demand as the stat kicks in and out.

 

[doug boardley]

Good point !

very good point!

 

[JaneJ]

Ok, it has been wired up for over an hour and a half and it is not getting any warmer than it did with the thermostat and probe in the circuit.
HELP! Does this mean the cable is dodgy? It is getting warm but hardly and slowly.
In answer to the watchdog thing, it doesn't kick in and out cos it never gets anywhere near the set temp.

 

[Stewart]

Does that particular thermostat have a separate setting for maximum temp as with some of heat-com ones, also have you tried changing the thermostat to room temp?

 

[Stewart]

Sorry just re- read previous post so please ignore

 

[micko]

Hi,
I would find out from the manufacturer what the resistance value is for your specific kit and get it re checked by your electrician or yourself. If you have the floor directly wired to a plug and the floor is not getting up to temperature. It’s pointing towards a fault with the under floor wiring . sorry

 

[faithhealer]

only thing I can think of now is if the tiles were dot and dabbed so there is poor heat transferance.

 

[JaneJ]

Arrgghhh! does that mean we can't do anything about it? What is dot and dab?

 

[faithhealer]

Arrgghhh! does that mean we can't do anything about it? What is dot and dab?

Hi jane, dot and dab is where the adhesive is put on the tile in 'dollops' (usually one in each corner and maybe one in the middle) instead of full coverage using a trowel. The heat can only pass where the adhesive is, hope you follow. Checked out the manufacturer, seem a big outfit. Would check resistance etc out and get back

 

[maniek]

JaneJ please check one more thing, connect a cable directly to power feed
as Sir Ramic advised, and make sure there is no electric switch in between,
as elec switch with neon indicator if badly wired will give you only 120v on
the cable instead of 240v....

 

[Dan]

Just bumping some threads in the underfloor heating forum. You can now find and search for both electric underfloor heating and water underfloor heating threads. By the way, if you feel some of the threads you want to be seen at the top of the forum need to be bumped back, for the next month or so from now, feel free to do that. Although it's not usually something we allow, whilst we're going through this process of changing over forum software, we see the need for this to happen.