Our Voltimum Experts answer your questions on a daily basis in our Technical Expertise area. This Question of the Day concerns Part L of the Building Regulations, central heating systems and their control. It is answered by Horstmann:
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Question: In Part L of the Building Regulations, zoning is the preferred method of controlling central heating systems in larger houses and buildings. Are there programmers that can separately control individual zones?
Answer: yes, there are - and we have two. For installers wishing to comply with the Government regulations on the installation of heating controls as detailed in Part L, the Horstmann Controls ChannelPlus H37 XL electronic programmer provides a fully compliant solution.
With the regulations now specifying that in new build, no heating zone should exceed 150˛m, this electronic programmer is ideally suited, being the first on the market capable of controlling the three required independent channels - one for water and one each for two separate heating zones.
The ChannelPlus H37 XL offers seven-day programming, up to three on/off periods in each 24 hours and the option for different settings on each day of the week.
It's bigger brother, the ChannelPlus H47XL, is a combination of four independent seven-day timers each giving up to three 'on' and 'off' functions/day in a single unit. This programmer has been designed for domestic use, providing advanced, easily programmed features rather than 'time switch' features more suited to industrial applications.
The fourth channel can provide the functionality of the H37XL, plus the option to use the fourth channel for the control of under floor heating, which is increasingly favoured for zonal background heating in new build.
To see many more Q & A in Voltimum UK's Experts Area, please click on the link: www.voltimum.co.uk/consult.php?universe=consult.index.questions
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