Old Honeywell to New Thermostat wiring...
- Thread starter da3533
- Start date
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Volt pens aren’t the most reliable. I once isolated a circuit, proved dead properly, used a volt pen and it lit up like it was live - I’d double check it, if I were you. £30 for a pcb - eBay by any chance?
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I just bought the PCB. it looks like a straight forward replacement.
I really did the wiring correctly as posted yesterday. I tested it with my meter. 3 and 4 to new stats... every thing perfect as what we said...
the setup i did for the new thermostat supposes to have worked and didn't... i really think there were problems with the PCB neutral terminals and switch terminal 4...
I really did the wiring correctly as posted yesterday. I tested it with my meter. 3 and 4 to new stats... every thing perfect as what we said...
the setup i did for the new thermostat supposes to have worked and didn't... i really think there were problems with the PCB neutral terminals and switch terminal 4...
UPDATE!
I went back to my Dads to check the PCB fuses.... i used my multimeter and one was blown.. but didn't look like it... also, before, i changed all fuses with the spare fuses that were plugged onto the casing.... so i must have switch the blown fuse with spare blown fuse!
Some idiot 10 years ago connects live to neutral!!! see pic below! why!!!
I fixed the wiring and works...
Cancelled the PCB purchase, all works..... connected my thermostat, all works!.
Thanks everyone.
The question, whats the name of these fuses and which amp? they look different...
see pics..
I went back to my Dads to check the PCB fuses.... i used my multimeter and one was blown.. but didn't look like it... also, before, i changed all fuses with the spare fuses that were plugged onto the casing.... so i must have switch the blown fuse with spare blown fuse!
Some idiot 10 years ago connects live to neutral!!! see pic below! why!!!
I fixed the wiring and works...
Cancelled the PCB purchase, all works..... connected my thermostat, all works!.
Thanks everyone.
The question, whats the name of these fuses and which amp? they look different...
see pics..
Not surprised at all.
The fuse rating should be included as part of the stamp on the cap.
The fuse rating should be included as part of the stamp on the cap.
I could smell something burnt in where the pcb is.. maybe because of the wiring, and fuse pop, it may have fried something that’s stopping the gas valve from working
This nightmare is getting worse. Now I do need a new PCB!
?
This nightmare is getting worse. Now I do need a new PCB!
?
Hi, i have just bought a similar thermostat please confirm that it works with
Boiler 3 (L) to New Stat 4
Boiler 5 (N) to New Stat 3
New Stat 4 (L) connect to New Stat 1
Boiler 4 (SL) to New Stat 2
Read more: https://www.diynot.com/diy/threads/...thermostat-wiring.556235/page-2#ixzz75ogVl9vD
you are hi-jacking an old post, against site rules and for good reason, you will only get the correct answers if you start your own post
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