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Problems after swapping T6360B for TP5000si thermostat
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<blockquote data-quote="Kieran42" data-source="post: 457366" data-attributes="member: 29791"><p>Hello,</p><p></p><p>Apologies first if this has already been asked but I couldn't find the answer or help I was looking for.</p><p></p><p>I have a conventional boiler and I recently swapped out my mechanical Honeywell T6360B room thermostat</p><p> for the digital battery powered Danfoss TP5000si. After completing the set (as per the user guide), I tested</p><p> the tp5000si by raising the desired temperature above the displayed room temperature and as expected the</p><p> central heating came on. However when I lowered the desired temperature to below the room temperature</p><p> the central heating rather than turning off remained on! I even went to the separate CH &amp; HW</p><p> programmer and switched the CH off from there but the boiler kept on running and wouldn't switch off!...</p><p> So the question I have is have I wired it wrong or is the tp5000si faulty?</p><p> </p><p> The original wiring set up for the Honeywell T6360B was as follows:</p><p></p><p> T1 -- Live-IN (Brown cable)</p><p> T2 -- Neutral (Blue cable)</p><p> T3 -- Switched Live-OUT (Yellow/Green Cable)</p><p></p><p>For the TP5000si the new wiring set up is as follows:</p><p></p><p> 1(OFF) -- (No cable Connected)</p><p> 2(COM) -- Live-IN (Brown Cable)</p><p> 3(ON) -- Switched Live (Yellow/Green Cable)</p><p></p><p> (The Neutral blue cable is left disconnected via an insulated terminal block)</p><p></p><p>As far as I am aware the wiring all looks fine... so I am puzzled why the central heating keeps coming</p><p> on and off on it's own accord even when the disired temperature is set below the room temperature???</p><p></p><p>Your thoughts on this would be much appreciated.</p><p></p><p>Thanks</p><p></p><p>PS: Wanted to upload some photos but couldn't work out how?</p></blockquote><p></p>
[QUOTE="Kieran42, post: 457366, member: 29791"] Hello, Apologies first if this has already been asked but I couldn't find the answer or help I was looking for. I have a conventional boiler and I recently swapped out my mechanical Honeywell T6360B room thermostat for the digital battery powered Danfoss TP5000si. After completing the set (as per the user guide), I tested the tp5000si by raising the desired temperature above the displayed room temperature and as expected the central heating came on. However when I lowered the desired temperature to below the room temperature the central heating rather than turning off remained on! I even went to the separate CH & HW programmer and switched the CH off from there but the boiler kept on running and wouldn't switch off!... So the question I have is have I wired it wrong or is the tp5000si faulty? The original wiring set up for the Honeywell T6360B was as follows: T1 -- Live-IN (Brown cable) T2 -- Neutral (Blue cable) T3 -- Switched Live-OUT (Yellow/Green Cable) For the TP5000si the new wiring set up is as follows: 1(OFF) -- (No cable Connected) 2(COM) -- Live-IN (Brown Cable) 3(ON) -- Switched Live (Yellow/Green Cable) (The Neutral blue cable is left disconnected via an insulated terminal block) As far as I am aware the wiring all looks fine... so I am puzzled why the central heating keeps coming on and off on it's own accord even when the disired temperature is set below the room temperature??? Your thoughts on this would be much appreciated. Thanks PS: Wanted to upload some photos but couldn't work out how? [/QUOTE]
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Problems after swapping T6360B for TP5000si thermostat
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