Re: CAT5 etc in Bathrooms?

["Simon Coates" <ecolume@xxxxxxx>]

Tracey,

I've already run a Cat 5 cable for a DDAR in the bathroom.  I'm also going
to fit LV solenoid valves to control the bath filling.  Two LV switches
will
go back to HV which will switch the solenoids via relays.  I don't think
I'll rely on X10 for controlling the bath.  I'm not going to have any
sophisticated temperature/mixing controls.
Here's how I'm planning on filling the bath:
HV will be measuring the cylinder temperature (via DS18S20).  I can
estimate
the cold water temperature as it will be tank fed - any temperature
variance
over the year can be adjusted with a 'fiddle factor'.  I'll know the flow
rate of the supplies, and the bath capacity.  Therefore I can get HV to
open
the solenoids for a time period which is dependant upon the hot water
temperature.  To make things easier the cylinder will be set at 60C max,
with a mixer valve on the output also set to 60C.  After a few trial fills
I
think I might get it to work ! :o)
Things I'm not planning on are - a solenoid operated plug and checking to
see if the bath is full already.  I'm not wanting a fully remote controlled
bath - it's not necessary.  I was originally going to operate the solenoids
from LV momentary switches operating latching relays and just toggle the
taps on and off.

Simon


----- Original Message -----
From: Tracey Gardner <tracey.gardner@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: 19 September 2001 18:13
Subject: [ukha_d] CAT5 etc in Bathrooms?


>
> I'm in the process of cabling my self-build with CAT5 and
> would welcome the list's thoughts on the installation of
> CAT5 into bathrooms/en-suites.
>
> I've looked at the Joseph Rowntree Foundation's web site
> and see that in their "Smart Home" that they are able to
> remotely control the water in both bathrooms and kitchens.
> http://www.jrf.org.uk/housingtrust/smarthomes/devices.asp
>
> If I do put CAT5 under the bath/sink etc to allow for this
> kind of thing in the future, I'll also need to install some
> low voltage power cable to operate the solenoids/valves etc
>
> Has anybody got any thoughts?
>
> Tracey
>
>
> Extract from the Smart Home Page
>
> Water
>
> All the taps in the home can be turned on using either the
> buttons on an adjacent panel or a remote control device.
>
> Kitchen and bathroom sink
>
> The kitchen sink can be filled to one-third, two- thirds
> or full up with water at the required temperature using
> the buttons on the panel. Pressing stop will turn off the
> tap and holding down the stop button will allow you to top
> up the sink.
>
> Bath
>
> The bath can be filled to half and full levels at a pre-
> determined temperature. Pressing stop will turn off the tap
> and holding down the stop button allows you to top up the
> bath. Pressing any of the fill buttons will automatically
> put the plug in. To empty the bath, there is a 'waste open'
> button on the control panel. A top-up button is located on
> the wall for you to use when you are in the bath.
>
> Shower
>
> A button on the wall controls the shower. This will run the
> shower for a predetermined time or until the button is pressed
> again. The shower is set to the same temperature as the bath.
>
> Toilet
>
> The toilet is operated from the panel next to it and can either
> be fully or partially flushed. Both of these flushing options
> will use less water than a conventional toilet.
>
> tracey.gardner@xxxxxxx
> Lincolnshire
> U.K.
>
>
> For more information: http://www.automatedhome.co.uk
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