Splitting of UFH and Rads via Stat

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Mason Carter

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• Oct 1, 2017

• #16

Okay so as you can see, I believe that the pipe with the bond leads down to the UFh.. and so I can only assume leads off to the rads after?

 

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Toneyz

• Oct 1, 2017

• #17

Sorry I was expecting to see a zone valve. The pipe with the bonding clamp on it does that go to UFH manifold and the pipe going up is flow for upstairs rads ?. To be sure what the pipes go what is the boiler ?.

 

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Mason Carter

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• Oct 2, 2017

• #18

This is the view I have, the manifold is on a board under the boiler. There is also the only view I have of the boiler etc, I think the pump is tucked away above this lot.

 

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Mason Carter

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• Oct 2, 2017

• #19

The pipe to the manifold comes from that U bend seen in the above post... i've got a picture but it's literally just one dusty pipe behind that board so it must be.

 

T

Toneyz

• Oct 2, 2017

• #20

I think that the pipe which is a Y shape ie comes from boiler splits down to the UFH up to rads is heating flow (what boiler is it) a 2 port valve would need to be put in the leg that goes to rads (after split).Have you got a photo of UFH control unit.

 

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Mason Carter

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• Oct 2, 2017

• #21

anthonybragg said:

I think that the pipe which is a Y shape ie comes from boiler splits down to the UFH up to rads is heating flow (what boiler is it) a 2 port valve would need to be put in the leg that goes to rads (after split).Have you got a photo of UFH control unit.

Click to expand...

It's a combi. The UFH is an Emmeti ewc-1... i've got this picture but access is cramped here.

 

T

Toneyz

• Oct 2, 2017

• #22

You will have to get a plumber to check what combi is it ?

 

T

Toneyz

• Oct 2, 2017

• #23

In the boiler for the heating you should have terminals for a stat eg L and Rt from stat a two core & E cable/flex would need to be connected between this and the volt free boiler terminals in UFH wiring ctr. when a valve is fitted to leg for rads the orange and gray will go between the room stat terminals in the boiler. The brown to open the valve goes to 3 in the wireless stat link between live and 1.

 

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GBDamo

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• Oct 5, 2017

• #24

You could try backing the flow control valves back on each of the UF manifold zone valves effectively starving the ground floor and forcing flow to the rads. Ideally move the stat upstairs. This will require a lot of tinkering with flow rates but may at least get you some heat upstairs in the short term.

As already said the real answer is to split the zones.

 

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Toneyz

• Oct 10, 2017

• #25

What did you decide to do in the end ?.