Y Plan

[surfrider]

Could someone confirm what a Y Plan refers to.

I think it's when the system can supply heat to the water & heating separately or both at the same time.

Is this correct

 

[kevplumb]

y plan uses a 3 port valve s plan uses 2x2 port valves

 

[surfrider]

Please could you explain how I can identify what I have.

 

[scatmanjohn]

y plan uses a 3 port valve s plan uses 2x2 port valves

You mean y plan uses a mid position 3port valve

 

[kevplumb]

Please could you explain how I can identify what I have.

yea how many valves have you got

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You mean y plan uses a mid position 3port valve icon_wink.gif
__________________

pee off john

 

[surfrider]

Only one which is at the T juction of the 28 mm pipes in the airing cupboard

 

[kevplumb]

y plan or w plan if the h/w takes priority

 

[bripl]

y plan or w plan if the h/w takes priority

you still listening to noah w plan!!!!!!!!!

 

[surfrider]

What I'm working round to is a question about the bypass valve.

I understand that it should be open enough to suit the system.

But one recent reply stated that it should be closed if on a Y Plan.

Since closing it down, but not fully, the boiler seems to be staying on longer, as it was shutting down too soon.

Not sure whether I should leave it as now set or close the valve down completly.

 

[kevplumb]

y plan or w plan if the h/w takes priority

you still listening to noah w plan!!!!!!!!!

still a few about up here trev

 

[Soggy_weetabix]

Changed a honeywell divertor vlv on a W plan today

I love inch BSP

Still have em down here aswell!

Dave

 

[namsag]

And heatstore cylinders have them as well.. But have not seen one on normal system for a very long time

 

[gas4you]

What I'm working round to is a question about the bypass valve.

I understand that it should be open enough to suit the system.

But one recent reply stated that it should be closed if on a Y Plan.

Since closing it down, but not fully, the boiler seems to be staying on longer, as it was shutting down too soon.

Not sure whether I should leave it as now set or close the valve down completly.

leave it about 1/4 - 1/2 turn open

 

[stevesey]

Since closing it down, but not fully, the boiler seems to be staying on longer, as it was shutting down too soon.

Make sense as more water will be going around the heating circuit so the return temp at the boiler will be lower so boiler won't cycle off and on so frequently.

If bypass was open too far before it would have prevented sufficent water going around the heating circuit - have you noticed the radiators being any hotter or the house warming up quicker?

 

[Softus]

What I'm working round to is a question about the bypass valve.
.
.
.
Not sure whether I should leave it as now set or close the valve down completly.

leave it about 1/4 - 1/2 turn open

Eh? Why would you need a bypass on a Y or W plan system?