Cylinder Thermostat
I've just fitted a new Cylinder Thermostat same as this :
http://www.heatandplumb.com/acatalog...hermostat.html Its been wired up same as previous stat : 1= Yellow 2= White 3= Blue & Earth I sparked up the system and left it running for half an hour (usually long enough for reasonably hot tank of water) I then turned down the temp. control to see at what point it shut off, It didn't !! I turned it down to lowest setting 20 deg.C still no joy. Is it a faulty stat ? or incorrectly wired ? Cheers |
Cylinder Thermostat
On 27 Jun 2006 05:42:52 -0700, KnobJockey wrote:
I've just fitted a new Cylinder Thermostat same as this : http://www.heatandplumb.com/acatalog...hermostat.html Its been wired up same as previous stat : 1= Yellow 2= White 3= Blue & Earth I sparked up the system and left it running for half an hour (usually long enough for reasonably hot tank of water) I then turned down the temp. control to see at what point it shut off, It didn't !! I turned it down to lowest setting 20 deg.C still no joy. Is it a faulty stat ? or incorrectly wired ? Without knowing what wires go where at the other end of the circuit (i.e. at the controller/wiring box end), it's impossible to comment with any authority, although my immediate reaction would be to suspect that it was incorrectly wired - for a start '3=blue and earth', which is nonsensical taking a quick look at the installation instruction leaflet that is linked from the page you listed. You did take a look at that link, didn't you? If you've connected an earth wire into what could be potentially a live circuit, never mind about how it was wired before, then you don't understand what you're doing and should consult an electrician. -- the dot wanderer at tesco dot net |
Cylinder Thermostat
"The Wanderer" wrote in message ... On 27 Jun 2006 05:42:52 -0700, KnobJockey wrote: I've just fitted a new Cylinder Thermostat same as this : http://www.heatandplumb.com/acatalog...hermostat.html Its been wired up same as previous stat : 1= Yellow 2= White 3= Blue & Earth I sparked up the system and left it running for half an hour (usually long enough for reasonably hot tank of water) I then turned down the temp. control to see at what point it shut off, It didn't !! I turned it down to lowest setting 20 deg.C still no joy. Is it a faulty stat ? or incorrectly wired ? Without knowing what wires go where at the other end of the circuit (i.e. at the controller/wiring box end), it's impossible to comment with any authority, although my immediate reaction would be to suspect that it was incorrectly wired - for a start '3=blue and earth', which is nonsensical taking a quick look at the installation instruction leaflet that is linked from the page you listed. You did take a look at that link, didn't you? If you've connected an earth wire into what could be potentially a live circuit, never mind about how it was wired before, then you don't understand what you're doing and should consult an electrician. Re-read the post. I maybe wrong but I took it that the OP meant to say 3 =blue plus there is also an earth connection. I would guess that if all 3 terminals are being used on a cylinder stat then it is probably a Y plan and the fault may lie in the midposition valve not the stat. Adam |
Cylinder Thermostat
In an earlier contribution to this discussion,
KnobJockey wrote: I've just fitted a new Cylinder Thermostat same as this : http://www.heatandplumb.com/acatalog...hermostat.html Its been wired up same as previous stat : 1= Yellow 2= White 3= Blue & Earth I sparked up the system and left it running for half an hour (usually long enough for reasonably hot tank of water) I then turned down the temp. control to see at what point it shut off, It didn't !! I turned it down to lowest setting 20 deg.C still no joy. Is it a faulty stat ? or incorrectly wired ? Cheers Who knows? Without more information about what type of system configuration you have (S-Plan, Y-Plan, C-Plan, etc.) and what is at the other end of the yellow, white and blue wires, it's impossible to say. -- Cheers, Roger ______ Email address maintained for newsgroup use only, and not regularly monitored.. Messages sent to it may not be read for several weeks. PLEASE REPLY TO NEWSGROUP! |
Cylinder Thermostat
On Tue, 27 Jun 2006 15:39:51 GMT, ARWadsworth wrote:
"The Wanderer" wrote in message ... On 27 Jun 2006 05:42:52 -0700, KnobJockey wrote: I've just fitted a new Cylinder Thermostat same as this : http://www.heatandplumb.com/acatalog...hermostat.html Its been wired up same as previous stat : 1= Yellow 2= White 3= Blue & Earth I sparked up the system and left it running for half an hour (usually long enough for reasonably hot tank of water) I then turned down the temp. control to see at what point it shut off, It didn't !! I turned it down to lowest setting 20 deg.C still no joy. Is it a faulty stat ? or incorrectly wired ? Without knowing what wires go where at the other end of the circuit (i.e. at the controller/wiring box end), it's impossible to comment with any authority, although my immediate reaction would be to suspect that it was incorrectly wired - for a start '3=blue and earth', which is nonsensical taking a quick look at the installation instruction leaflet that is linked from the page you listed. You did take a look at that link, didn't you? If you've connected an earth wire into what could be potentially a live circuit, never mind about how it was wired before, then you don't understand what you're doing and should consult an electrician. Re-read the post. I maybe wrong but I took it that the OP meant to say 3 =blue plus there is also an earth connection. A missing comma adds greater validity to my understanding. Have I said what I mean? Did I mean what I said? -- the dot wanderer at tesco dot net |
Cylinder Thermostat
In article .com,
KnobJockey wrote: I've just fitted a new Cylinder Thermostat same as this : http://www.heatandplumb.com/acatalog...hermostat.html Its been wired up same as previous stat : 1= Yellow 2= White 3= Blue & Earth I sparked up the system and left it running for half an hour (usually long enough for reasonably hot tank of water) I then turned down the temp. control to see at what point it shut off, It didn't !! I turned it down to lowest setting 20 deg.C still no joy. Is it a faulty stat ? or incorrectly wired ? Why did you replace the original? If it was because of the same 'fault', it isn't the thermostat. More likely a valve. -- *I don't suffer from insanity -- I'm a carrier Dave Plowman London SW To e-mail, change noise into sound. |
Cylinder Thermostat
To clarify matters, the earth is fitted correctly to its own connection
(not attached to any other). I have replaced a sunvic stat (which works ok) with the danfoss because the danfoss has more of a lower temp. range. Also with the new danfoss there is no audible click when the control knob is turned (either when hot or cold) |
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