Zoning education.

[Dan Masey]

I'm still trying to get my head around central heating zones. I understand the practicality and that each zone has its own thermostat or programmer. But someone asked me today, how is having a separate thermostat upstairs any different than setting all the upstairs TRV's to 3 or 4??

Wasn't really sure on the best answer to this. Obviously a separate programmer makes sense but is it really worth it just having a thermostat controlling that zone?

 

[AWheating]

its supposed to be energy saving. If the trv's are turn down or off then it wont make any difference really.

im guessing the powers that be believe that the general public are either to lazy or thick to turn things down or off 🙁

i cant really see the point to it in most domestic systems, but on new build you cant avoid it.

 

[Leo21]

I personally don't think the saving will be big enough to pay for the extra installation costs.
I haven't seen any one do it on existing houses, not even holier than though British gas.

 

[GasmanxxxR1]

I'm still trying to get my head around central heating zones. I understand the practicality and that each zone has its own thermostat or programmer. But someone asked me today, how is having a separate thermostat upstairs any different than setting all the upstairs TRV's to 3 or 4??

Wasn't really sure on the best answer to this. Obviously a separate programmer makes sense but is it really worth it just having a thermostat controlling that zone?

A good answer is that stats, valeves and timers interlock the boiler, stopping it burning gas. You could turn all your trvs off on the boiler will just cycle on and off

 

[Dan Masey]

Yea exactly, I understand it on new builds. But on existing...

Extra bundle of 22mm, 2 port valve, extra thermostat, cable,

Or just turn the trvs down upstairs. Most people want the upstairs 1 or 2 degrees lower anyway.

 

[solutions]

Wireless programable trv heads is often an easier way to supply the same level of interlock on existing systems but unless its a really large property there is little to gain. The additional cost of the valve heads would take some considerable time to repay based on the improved efficiency. As with most of these central heating efficiency improvements the home owner would be better off improving insulation and fitting heat recovery ventilation.

 

[Ermintrude]

Wireless programable trv heads is often an easier way to supply the same level of interlock on existing systems but unless its a really large property there is little to gain. The additional cost of the valve heads would take some considerable time to repay based on the improved efficiency. As with most of these central heating efficiency improvements the home owner would be better off improving insulation and fitting heat recovery ventilation.

Remote trv providing boiler interlock? Which ones do this?

 

[tamz]

Danfoss living connect

http://heating.danfoss.com/PCMPDF/living-connect_VIFNE302.pdf

 

[solutions]

Remote trv providing boiler interlock? Which ones do this?

Danfoss living connect

http://heating.danfoss.com/PCMPDF/living-connect_VIFNE302.pdf

Amongst others. The cheapest of this type of system I have found so far is on Conrad components website have not had an opportunity to try them yet though. Heres the link for those interested. http://www.conrad-electronic.co.uk/ce/en/overview/2805070/HomeMatic-Wireless-Heating-Control-Systems

 

[Ermintrude]

Wow, so actually provides "real" interlock I.e controls time and temp and switches boiler on and off? But if upstairs has 7 or 8 rads wouldn't it be cheaper and more simplistic to maintain with a traditional stat/programmer and z/v?

 

[AWheating]

A good answer is that stats, valeves and timers interlock the boiler, stopping it burning gas. You could turn all your trvs off on the boiler will just cycle on and off

you get boiler interlock with one zone or multipul zones.

 

[Leo21]

Wow, so actually provides "real" interlock I.e controls time and temp and switches boiler on and off? But if upstairs has 7 or 8 rads wouldn't it be cheaper and more simplistic to maintain with a traditional stat/programmer and z/v?

I think that all depends on pipe layout. If the boilers upstairs and downstairs is a solid floor,you'd have to double up on pipe runs.

 

[Ermintrude]

I think that all depends on pipe layout. If the boilers upstairs and downstairs is a solid floor,you'd have to double up on pipe runs.

Yes good point, had my big house goggles on. Would be a mare on microbore 90's build with 8mm droppers!

 

[happyflyer]

Danfoss living connect

http://heating.danfoss.com/PCMPDF/living-connect_VIFNE302.pdf

Tamz,

There are lots of companies making this sort of gear now, there is a real market out there. I know its a bit expensive but TRV don't work all
that good and you cannot time zone TRV individually,if you want to save energy battery wireless operated TRV is the way to go, you can get rid of your two zone valve and put two fingers up to the shameful building regulations which are 20 years behind the times, they will never catch up, we will have to do it for them.

There is no education needed in zoning, its a no-brainer, you will never get condemned for putting too much control in, it just cost a little more, and like someone has just said, get a solid GF and piping two zone is a pig, in plastic though I suppose you could just throw it everywhere, no one will see it under the FBs.:crazy:

Tamz I take it you are promoting this stuff for your jobs, promoting the good use of energy in Scotland, where it is much colder


Tony

http://www.syxthsense.com/thermostats/tx-vtrx/tx-wireless-electronic-radiator-valve-actuator/

http://www.plumbarena.co.uk/product...gclid=CPSP6Ya0wLoCFQXHtAodhlkAVw#.UnHzcTxFCJA

http://www.saveonheatingbills.co.uk/ look at i-temp

 

[happyflyer]

Take a look a USA house FIVE ZONES, note the singles yellow feeding the valve actuators all 24VAC, easy and safe to work on, bit of a mess,
also note the air extractor on top of the expansion vessel, still available here in UK but not much used on domestic, TOO EXPENSIVE
not need, client doesn't want to pay, BTW we still make zone valves in 240VAC what idiots, maybe in 20 years time we will go 24VAC

How to remove the air from your boiler / heater - YouTube

 

[Ermintrude]

My house and a few of the ones I have done out are individually controlled rooms. Zv and Myson mptrf for each room. Would send pic of part of manifold in my house but it's rough as owt.

 

[Leo21]

My house and a few of the ones I have done out are individually controlled rooms. Zv and Myson mptrf for each room. Would send pic of part of manifold in my house but it's rough as owt.

Youve got to post a picture now! It would be wrong not to.

 

[Ray Stafford]

Youve got to post a picture now! It would be wrong not to.

I agree. Failing to post a pic now would actually be a crime against nature.

 

[happyflyer]

Spot on Ray, need photos or no good, I need proper explanation at my age, writing is no good on its own, try and keep them in focus please or they will look good when I take my glasses off. Wireless rad valves rules OK.

 

[happyflyer]

I agree. Failing to post a pic now would actually be a crime against nature.

A crime against "Humanity" Ray its more serious than you make it out to be. It would be nice if you could tick the "I Like" box for your own post hey!!!