Thermostat wiring 1

[Sherak]

I know this is off topic but I cant find a relevant forum, I use the programming forums here regulary however I have a little project at home and was wondering if any of you with electrical knowledge could help out.

Basically, Im placing a tube heater in my greenouse for the winter period and am attaching it to a thermostat, I have power in the greehouse so basically I am putting a plug top on a piece of flex runningthis flex to the thermostat and then some flex from the thermostat to the heater. The problem is I have a thermostat but Im not 100% sure how to wire it up to the thermostat.

The thermostat has 3 terminals, marked 1, 3, 2 and the wiring diagram is this

http://www.atul10.dsl.pipex.com/WIRING.JPG

I would like to know which terminal the live from the mains goes into, the neutral from the mains then the live from the thermostat to the heater and the neutral from the thermostat to the heater...

Any help would be grately appriciated.

Thank you,

Paul J..

 

[DTSMAN]

Try the electrical forums on the Danny Lipford home forum or the HGTV electrical forums.

 

[hbiss]

#1 is the hot ("live")from the line, #2 is the switched hot that goes on and off out of the thermostat. This connects to one side of the heater (the "U" on the diagram). Your other side of the heater connects to the neutral. #3 is not used.

Granted, that diagram is a bit unorthodox but if you still have any doubts about how to do it, (and I don't just mean the actual connections but the wire to use, connectors etc.) I strongly urge you to seek professional help.

Another word of caution- I wouldn't rely on anything in those do-it-yourself electrical forums or any others unless you want to get yourself or someone else killed. There is little if any professional moderation or advice so it is the blind leading the blind.

My professional advice is that do-it-yourselfers should not be doing anything but the simplest of electrical tasks anyway.

-Hal

 

[naturl]

A professional I recommend too. Your use of the word "mains" has me worried. Most "hands on" thermostats are (should be) powered from a low-voltage dc transformer at the wall and to a relay to transfer power AT the mains. However, if you cannot read this ladder diagram I strongly suggest you elbowing up to an HVAC guy (person) at the parts house on your side of the counter (the parts guy is a parts guy). A relay to power the heater is safer FOR YOU going to the low voltage wall unit. Be-aware for excess moisture in the environment and EARTH GROUND the green-house at the breaker box THERE!!!

Why is there never a phone in the phone closet?

 

[Sherak]

This is a standard 240V AC thermostat, I worked out the connections using a multimeter and now it is operating fine... thanks anyways....