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Baxi Duo Tec question

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Craig8701

from United Kingdom

Joined: 18 Sep 2009
Posts: 4
Location: Lancashire,
United Kingdom

PostPosted: Fri Sep 18, 2009 6:07 pm Reply with quote

Hi people, a quick question for those familiar with this boiler, i just recently had a baxi duo tec 24he fitted and want to know how i can have hot water only without the central heating kicking in.

There are only 3 options on the controls, OFF/HOT WATER & CH/RESET. iv put the temp of the CH down to the lowest it will go which is 25c but in order to have hot water on demand you have to have the CH on as well which very annoying as its constantly making a humming noise and occasionally fires up.

Any ideas? my previous boiler and a control which only fired the boiler up if needed you hot water, CH or both. i don't want to keep switching it on and off when i need it for hot water.

Thanks

Craig
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holty

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PostPosted: Fri Sep 18, 2009 6:19 pm Reply with quote

icon_confused.gif combi, means hot water on demand wich over rides ch demand.if recently installed then id get the installer back to show you the controls. as this is good practice done by a rgi when works beeen completed.
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kevplumb

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PostPosted: Fri Sep 18, 2009 6:26 pm Reply with quote

room stat icon_question.gif

programmer / timer icon_question.gif
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baxpoti

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PostPosted: Fri Sep 18, 2009 6:34 pm Reply with quote

Building regs part L specify a boiler interlock is required.

You either haven't got one or you don't know how to use it.

Refer back to your installer
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bengasman

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PostPosted: Fri Sep 18, 2009 6:59 pm Reply with quote

Part of the boiler installation is to explain the controls properly, which clearly has not been done.
Get him back to solve the problem.
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mickyg

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PostPosted: Fri Sep 18, 2009 7:38 pm Reply with quote

have some sugar cubes handy I reckon icon_lol.gif
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Craig8701

from United Kingdom

Joined: 18 Sep 2009
Posts: 4
Location: Lancashire,
United Kingdom

PostPosted: Sat Sep 19, 2009 11:31 am Reply with quote

Thanks for the repllies so far, He did go through the controls and said it stays on because of the frost protection. however after the reading the manual that only comes on if the boiler drops below 5c. im guessing its something to with the boiler interlock, can some one shed some light on this and how it can be sorted??

Thanks

Craig
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bengasman

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PostPosted: Sat Sep 19, 2009 12:02 pm Reply with quote

The roomstat is the interlock
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Rob

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PostPosted: Sat Sep 19, 2009 12:02 pm Reply with quote

You should have a timer? Plugged into the boiler maybe?

You should also have a thermostat on the wall.

Turning either of these down or off will prevent heating coming on.

If you have neither then get him to fit them!
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Agile

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PostPosted: Sat Sep 19, 2009 12:09 pm Reply with quote

It sounds to me as if he may have wrongly wired it !

Is he a bona fide registered installer?

What you have is not correct although I am not totally confident that you necessarily know how to control it!

Does it have a timeclock?

Does it have a room stat?

Tony
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Craig8701

from United Kingdom

Joined: 18 Sep 2009
Posts: 4
Location: Lancashire,
United Kingdom

PostPosted: Sat Sep 19, 2009 12:13 pm Reply with quote

There is a mechanical clock timer fitted which is set to off but doesnt seem to switch the boiler off. there is a room thermostat which was set to the previous boiler but isnt hooked up to the new one. is there a way to connect the old one up or will a new one be required? i cant see how the old one was connected as i recently bought this house and the previous owners took the old boiler with them which was a condensing one. iv had it converted to combi.

Thanks

Craig
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bengasman

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PostPosted: Sat Sep 19, 2009 12:34 pm Reply with quote

Craig8701 wrote:
... i recently bought this house and the previous owners took the old boiler with them ...

icon_rolleyes.gif
Honestly, how sad can you get?
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Agile

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PostPosted: Sat Sep 19, 2009 12:41 pm Reply with quote

Was it declared at the contract stage that they were taking the boiler with them?

They are classed as part of the house and should not be just taken with them!

They can take light bulbs and one seller did that to me! Miserable tight ....

Tony
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Craig8701

from United Kingdom

Joined: 18 Sep 2009
Posts: 4
Location: Lancashire,
United Kingdom

PostPosted: Sat Sep 19, 2009 12:44 pm Reply with quote

it was a repo so bought as seen, they more or less took everything including the lights and the fireplace!
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gilly1807

from United Kingdom

Joined: 13 Jan 2008
Posts: 10
Location: Merseyside,
United Kingdom

PostPosted: Mon Oct 12, 2009 2:23 pm Reply with quote

Hi,

There are only the controls you said (OFF/HOT WATER & CH/RESET) on the Duotec and the temp control only goes down to 25c.
I've spoken to Baxi technical about this because I paid extra for the built in digital clock and this has no off facility on it. (rip off)
They told me that I should have a room stat and you would turn off the boiler by turning off at the room stat preventing central heating mode firing up un-necessary in the summer time.
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