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by ccrobins
Fri Jan 30, 2009 8:34 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: replacing room thermostat - wiring question
Replies: 16
Views: 26633

i finally sussed it and what you had advised stoneyboy was spot on, however what you and i didnt know was that for some reason the wires we assumed were Live and Switch Live were in fact the wrong way around in the old thermostat which is what put me on the wrong track. The switch Live was actually ...
by ccrobins
Wed Jan 28, 2009 4:54 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: replacing room thermostat - wiring question
Replies: 16
Views: 26633

tried all that but unfortunately no change ?

what would happen if i changed over the switch live in NC with the Live in COM ? just wondering if this would make a difference as now clutching at straws !

thanks again though you have helped me get much further than before
by ccrobins
Wed Jan 28, 2009 8:17 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: replacing room thermostat - wiring question
Replies: 16
Views: 26633

dip switches set ok and yes i put a wire between live and COM. I was wondering what would happen if i put the switched live to COM and the LIVE link wire to NC ?

thanks for all your help on this
by ccrobins
Tue Jan 27, 2009 10:42 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Radiator not working
Replies: 4
Views: 3422

when the heating is on are either of the pipes connected to the radiator hot ?
by ccrobins
Tue Jan 27, 2009 8:17 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: replacing room thermostat - wiring question
Replies: 16
Views: 26633

Well I have done as you suggested stoneyboy and thought I had it cracked, thermostat powered up and I set time/date and programmes and left it to it and all seemed well but then it started clicking like it was switching on and off. On closer inspection it seems to do this when it reaches temperature...
by ccrobins
Mon Jan 26, 2009 9:20 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: replacing room thermostat - wiring question
Replies: 16
Views: 26633

Brilliant many thanks stoneyboy - I'll giove it a try tonight when i get home and hopefully I'll have some good news to report !

serves me right for assuming i could just change it over simply - give me copper pipes and solder anyday rather than electrics
by ccrobins
Sun Jan 25, 2009 11:45 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: replacing room thermostat - wiring question
Replies: 16
Views: 26633

plumbbob - i am a little confused when you say that the grey wire that i have is a switched live to the boiler as the diagram on the back of the rrf10 shows this to be neutral into pin 3 wish i had never started this now - i made the assumption that it was simple to change the thermostat, now facing...
by ccrobins
Sun Jan 25, 2009 8:40 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: replacing room thermostat - wiring question
Replies: 16
Views: 26633

thanks for the advice and yes its the 240v version. not sure i want it to go bang however ! new danfoss controller has the following A - labelled as N for neutrak B- labelled as L for live C - earth D&E are for remote sensor so i am ignoring those then i have 1 - N/C 2 - COM diagram indicates it...
by ccrobins
Fri Jan 23, 2009 6:08 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: replacing room thermostat - wiring question
Replies: 16
Views: 26633

replacing room thermostat - wiring question

I am trying to replace my mechanical thermostat with a programmable one to enable me to time when the boiler goes on and off etc. I am replacing a Robus RRF10 thermostat with the wiring as follows 1 none 2 Live (brown) 3 Neutral (grey) 4 none 5 Live linked across to 2 6 Black wire (not sure what it ...
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