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ok, been over this again this morning ... All connections are ok, continuity tests positive for all connections. It's definitely the switch, confirmed no current passing through! So with that in mind which switch is required? .. as there's been some conflicting recommendations. - Do i...

You might be on to something with .. Quote: That switch should be a fused connection unit. I've just a basic on/off light switch ... cuold that be the issue?

I've done continuity tests and get positive responses to all connections ...

Hi Looking for some assistance with my study lighting. * I've attached a diagram of the layout at the bottom of the thread. The problem started when the lights started to flicker, which then developed to virtually not being on at all - just random flickers of light. I pulled apart the...

varying uploads

all was going well, managed to get the rad off without any major catastrophes. However, when cutting the pipe to make way for the new rad (slightly different size) things got a little hairy. Upon cutting the bottom section of pipe the entire contents of what must of been the downstairs system...

I've recently upgraded my central heating to a condensing system and now embarking on a major decorating project - the main hallway, etc ... which will mean removing/replacing radiators. Previously with the old gravity/pump system and jurassic boiler i could; bung the feed-pipes in the feeder...

Problem un-screwing Siemens Extraklasse 1200 pump cap. Any recommendations for removing the cap? History: Machine spewed its guts all over the kitchen floor, so thought it time to give basic maintenance (empty drain over-flow), clear Pump cap. Managed to drain the system but can't get...

To conclude ... Heating now sorted, i realised with my set-up (Gravity Water - Pump CH) requires both water and heating active to invoke heating ... i knew this already, just didn't realise the ST9400C required me to manually select both options ... DOH !!!

ok, now i'm stuck, still no Central Heating !! I've taken like for like connection from Randall 3060 to HW ST9400C according to previous posts, keeping the yellow and brown (stat off and pump live) connection isolated. The Hot water kicks the boiler into action, the Central Heating doesn't...

Just to keep this post current ... Having diagnosed the failing area to be the pump I prepared myself for the worse, however, my neighbour who's an electrician had a handy device that shows electric current in wires and found a bizarre break half way along the pump connection. Now repaired...

thanks Namsag, that's confirmed i've done it correct ... however, still no heating. I've now resorted bac to previous Randall 3060 and guess what, still no heating :O Could it be my Temperature sensor has given up the ghost at this inopportune moment?

ok, i've tried numerous configurations but still can't get the heating to kick-in. I've tried joining the yellow & brown and leaving external to the device .. no joy I've tried connecting the brown to the Live terminal, and the yellow to the CH off (terminal 2) ... no joy ... running out...

maybe the wrong terminology :? I've now found the yellow and brown wires connected to terminal 5 had no internal connection to the 3060 - terminal 3 & 5 are blank (just taken the back off the device) ... the yellow as far as i can determine is feeding from the Thermostat, and the brown...

Guys Having visited the store i opted for the ST9400C, which i've now fitted but can't get the heating to kick-in - any idea's, as the hot water's working fine? There's a rogue Neutral previously in terminal 1 (see http://randall.danfoss.com/PCMPDF/3020P%203060.pdf ) which i've now coupled...

.. or alternatively call a helpful Heating supplier (such as Ashford Heating) and get confirmation that my original choice (the honeywell ST9100C) should work fine ... nice and easy ;)

so buying a wiring centre, say the honey well 42005748-001 http://content.honeywell.com/uk/homes/Catalogue/Heating%20Controls/2.22%20Wiring%20Centre.pdf .. should do the trick?

.. looking for advise on a relatively straight forward replacement for a now defunct Randall 3060 - i'm looking at the Honeywell ST9100C. http://www.honeywelluk.com/product.aspx?r=tco&p=2452 Although there are some cosmetic factors is there any stand-out technical reasons why this won't...

in need of help