So what is asked for in the regs??
Do you need a room stat??????
- Thread starter anyone8542
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JohnD";p="2298344 said:
N
namsag
D.hailsham . the reg does not ask for a roomstat, it has been put on here enough times what is req.
Are you refering to the building regs Part L1?
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Might be a good idea if you read the regulations again. They were updated in October 2010.
N
namsag
Suggest you read the regs again or use a different search engine
A boiler must have an interlock a room stat is one way of providing it but it is not the only way it can be achieved .
A boiler such as a baxi solo HE which has a flow switch can be set up and have trvs on every rad without the need for a room stat .
There is several other boilers out there that can be fitted and wired like this as well as other ways of providing an INTERLOCK
A boiler must have an interlock a room stat is one way of providing it but it is not the only way it can be achieved .
A boiler such as a baxi solo HE which has a flow switch can be set up and have trvs on every rad without the need for a room stat .
There is several other boilers out there that can be fitted and wired like this as well as other ways of providing an INTERLOCK
Part L of Schedule 1 of the building regulations 2010 requires that ‘reasonable provision shall be made for the conservation of fuel and power by providing fixed building services that have effective controls’.
Approved Document L1B describes in its General Guidance that: ‘Whenever a fixed building service is extended or provided, reasonable provision would be demonstrated by following the guidance set out in the Domestic Building Services Compliance Guide.’ The latter specifies as minimum requirements for a gas-fired wet central heating system that:
a. Boiler based systems should have a boiler control interlock
b. The use of TRVs alone does not provide interlock
c. Dwellings up to 150m2 floor area should be divided into at least two space heating zones with independent temperature control.
d. Separate temperature control of zones within the dwelling using: room thermostats in all zones and individual radiator controls such as TRVs on all radiators other than in reference rooms and bathrooms.
Given the above, it would seem difficult for anyone to claim they are satisfying Part L of the building reg’s if they are not fitting a room stat.
Approved Document L1B describes in its General Guidance that: ‘Whenever a fixed building service is extended or provided, reasonable provision would be demonstrated by following the guidance set out in the Domestic Building Services Compliance Guide.’ The latter specifies as minimum requirements for a gas-fired wet central heating system that:
a. Boiler based systems should have a boiler control interlock
b. The use of TRVs alone does not provide interlock
c. Dwellings up to 150m2 floor area should be divided into at least two space heating zones with independent temperature control.
d. Separate temperature control of zones within the dwelling using: room thermostats in all zones and individual radiator controls such as TRVs on all radiators other than in reference rooms and bathrooms.
Given the above, it would seem difficult for anyone to claim they are satisfying Part L of the building reg’s if they are not fitting a room stat.
N
namsag
mikely obviously you dont understand your own post
Tell me how you would fit a room stat on a boiler supplying a cylinder only as this still requires an INTERLOCK
Tell me how you would fit a room stat on a boiler supplying a cylinder only as this still requires an INTERLOCK
I have been selective in my quoting of the Compliance Guide requirements to focus on room stats. The requirements of course also cover water heating zones and interlock.
And what are the odds of this install being a Baxi Solo HE?
What other interlock ideas have you got for space heating Namsag?
A frost stat?
What other interlock ideas have you got for space heating Namsag?
A frost stat?
I think what Namsag is trying to say Dan, is that a roomstat is not a compulsary req as you can provide "interlock" using other means, advanced controls for one,
though in the ops case I would say its more than likely he does need one
for example there are very very few roomstats I come across these days in the sector that I work in that are interlocked with the boiler they act on ufh manifold actuators but don't control the boilers.
the boilers being controlled via bms/compensators/optimisers all of which are classed as interlocks
Matt
Aye, but this is a budget Bournemouth install. 
N
namsag
Dan its got nothing to do with the odds there is several boilers out there with flow switches on them that allow the part L regs to met in a different way to what is normally used.
Its to do with people who where making wrong comments before they even knew what boiler was being fitted .
What other ways is there of achieving interlocks , surely you covered this when you sat your part L exam several years ago?
Its to do with people who where making wrong comments before they even knew what boiler was being fitted .
What other ways is there of achieving interlocks , surely you covered this when you sat your part L exam several years ago?
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