Replacing a room thermostat- Lifestyle ETS1 for a L&S RA


Postby alexanderbutt » Sun Apr 20, 2008 3:20 pm

Hi All,
I'm a bit stuck with the wiring.
I need to replace a Room thermostat.
Both have 4 terminals.
The old ones are numbered 1, 2, E, 4
the diagram inside the old case seems to suggest
1-L
2-LOAD
3-Earth
4-N

The new one did not come with instructions so I'm hoping someone will know what's what.
In the new box the diagram shows 4 terminals numbered
1- remote switch L
3-LOAD
2-N
4-E

The wires coming into the box are RED, BLACK, BLUE and Green/Yellow.

I relaise the Green yellow is probably the earth, and goes to the new terminal maked E on the new Stat, but I'm stuck on the other wires.
Any help will be very welcome.
With advanced Thanks !
Alex :?
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Postby htg engineer » Mon Apr 21, 2008 9:16 am

Ok - the new wiring is the same as the old.

OLD - L, Load, Earth, N
NEW - L, Load, Earth, N

so change wires one by one.

Any probelms get an electrician, I could tell you what the colours should mean -but it wouldn't be the first time I have seen electrical equipment wired up with no consideration for colours or people that have to work on these installations in future.
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