Just checking, be right back
I can't see the answer but the e-mail says you have sent an answer
OK you should have three connectors on the stat, a neutral and a pair that switch the live could you just check this for me, the Greenstar shows this but I cannot see on the stat the neutral connection.
the stat only has two connectors, both marked B. when the face plate is put on a pair of "pikes" on the back of the face plate align with the two connectors.
OK but are you using it with a MT10 or DT20?
Is it the DT20rf?
can't find any reference to rf - the part number is ***** 192 038
any luck please mate - I've just about done the rest of the electrical connections
OK let me have a look be right back
Ok I guess the answer I give you will not be of much help, the only information that I can get about this connection is that it should have a special bus cable that connects up to a connection box. You then feed the boiler from this connection block. Has the FR10 got an integral battery or not?
The question that I am unable to get the answer to is ~ is the FR10 designed to be used with 220/240 volts ac or the newer 24v system. Obviously if you try and put 240v through a 24v system something is going to get destroyed.
Technical spec for the FR10 - 10........24 V DC, controller output is 2-wire BUS. Information note in the installation book says "the FR10 can only be connected to a boiler with BUS-enabled Heatronic 3".
yes I read that too but if you look at the Heatronic 3 it then refers to bus cabling and further on about a bus connector module. My concern is that if you connect terminals 1 & 2 to the FR10 and the switched output of the boiler are 240 then you will bugger up the FR10 hence my worry. I can find out for you tomorrow when I get to work but currently I think we are just going around in circles.
ok mate, I really appreciate your help. I'll catch up tomorrow when I get in from work. If this can't be resolved easily then I'll fire the system up without the room stat connected - the system will work without it, just get better sensitivity with a stat. Regards, Greg
Leave it with me Greg, I will get an answer for you, its typical of these companies, always leave the final piece of the jigsaw out but the most crucial piece. I'll be back on about 6pm so ping me and i'll have you an answer ~ Ian
Thanks Ian. Catch up tomorrow
I'll be here
OK having spoken to Worcester the connections are as you thought, 1 & 2 on boiler to BB on FR10 ~ that was like watching paint dry with them. However, you should be good to go now # ***** you now kindly rate my information to you using the smiley faces below. Have fun and be warm !!
Thanks Ian. I assume that it doesn't matter which of the two B's on the stat are connected to 1 and 2 at the boiler?
Nope guy seemed bemused that I asked, but as I said it is not clear in either the installation handbook or other information and I've been a sparky for 25 years!! If you could now rate the service given and I can close this job down you can come back to me later for further advice once this is done _ Ian
Thanks mate, appreciate all your help - rating now.