Re: Re: Manifold/TRV actuators - 24V or 240V?

[Lehane Kellett <lehane@xxxxxxxxxxx>]

These are 24V and I had the luxury of running to each Rad, so have
manifolds.

http://www.mm-wave.com/honeycottage/HAhome.htm

See near the bottom (Node 3)

Lehane


On 05/11/2010 12:01, semi.jons wrote:
>
>
>
> --- In ukha_d@xxxxxxx <mailto:ukha_d%40yahoogroups.com>,
> "simon_haslam" <simon_haslam@...> wrote:
> >
> > I'm nearly at the point of finishing off my CH installation and
have
> to sort out the actuators for the 7 port manifold that will run my
> radiator zones.
> >
> <snip>
>
> > What do people think? Stick to 24V and know everything is low
> voltage (and no Part P concerns) or go for the much more common 240V?
> >
> This is v topical as I am mid-automating my heating...
> I've a mixed UFH (downstairs) and radiator (upstairs) scheme and the
> orginal UFH controller has 240V actuators, so I will be retaining
> these and within the same enclosure the call 4 heat and pump relays
> are all 240V. For the Rads its all plumbed as a single circuit so I'll
> be using Idratek (Sauter) acutators that screw on to the TRV body.
> These will be 24V as they terminate in bedrooms and bathrooms.
>
> I've also left the standard controls in place so I can change-over to
> "plumber friendly" mode at the flick of a switch (and a re
programme
> of the timer etc!). I think without standard controls the plumbers
> will be v wary anyway, so its probably a matter of personal
> preference. From a reliabilty view fewer components will be better as
> you note, so I'd go for 240V.
>
> HTH
> JonS
> Taking a break from running control cable into UFH manifold cupboard -
> must go put boards back!
>
>



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