Honeywell dt90e screwfix. I still have Earth lurking about.
Honeywell dt90e screwfix. Obviously the earth is not used and can be blocked, but where do the RED BLUE and YELLOW go? I've tried the RED to "A" on the Honeywell with the YELLOW to "B". Here's some pics of the current set-up: New Honeywell Room Thermostat back-plate: Can someone guide me as to where the existing wires go into the new back-plate please? Current to Oct 30, 2011 · I will be enjoying my new Honeywell wall stat thanks to guidance from Lucia while your still working out where to start your tiling. My old one has 4 wires PIC attached, for the new one as far as I understand just the 1 (live) and 3 (live switch) will go to A & B respectively on the Nov 1, 2021 · Hi I’ve read dozens of threads on related issues and think I’ve sussed it but thought I’d double check before I start! I have an analogue Iflo room thermostat (which I think is the same as a Drayton RTS1) and am considering upgrading this to a Honeywell DT90e… I’ll (hopefully) upload a photo Oct 7, 2020 · I’ve inadvertently totally destroyed an old Honeywell analogue thermostat while decorating and attempting to replace it with an Honeywell DT90E I wired it correctly as I thought, but when I connected the new face plate it blew the fuse for the programmer/boiler so I’m guessing I’ve balls’d up somewhere. Tried rebinding but when it shows INST and I press down button I don't get CONT sign. On fitting the batteries the ambient temp is shown as 24 but after about a minute the unit calls for heat, even though the target temp is 21. I have read on several forums that the DT90E should be wired LIVE to A, SWITCHED LIVE to B, C is not used and Neutral wire is not Nov 25, 2019 · I have replaced my old SUNVIC TLX 2356 thermostat with a Honeywell DT90E. Red 2. Press the green ECO button. It has an A, B and C terminal. Feb 4, 2017 · lots and lots of options, from the Honeywell DT90e, but I'd suggest you consider a programmable stat since you are going this far. I set the temp to 21° and the flame icon showed on the thermostat but the heating wont come on. The energy saving temperature has normally been pre-set to 18°C. I am replacing an old acl rotary wall thermostat that has 1, 2 and 3 with Brown, Yellow/Green, and Blue wires connected respectively. Thanks for your understanding and inspiration to DO IT MYSELF you have given me. Can anyone help me wire my new Honeywell Wall Thermostat (dt90e). The blue is inline with a resistor and then tied to the yellow Nov 25, 2019 · I've just got new replacement as the other one went blank even with new batteries. As per the photos attached, current wiring on Drayton is as below: Earth - Green wire, 1 - Black wire, 3 (Line) - Red wire I assume the wires should be wired on DT90E as below: A (N) - Black wire, B (L) - Red wire, and Green wire to leave it out without connecting to anywhere. What do i connect where in the new Honeywell? Thanks! Nov 23, 2021 · I'm looking to replace a Honeywell T40 thermostat with a DT90E but the wiring is confusing me. I need to replace the thermostat which is a old Honeywell thermostat that has 3 wires into it. Oct 27, 2017 · I've just replaced an analogue thermostat with a DT90E, isolating the earth wire and connecting live and neutral as per the instructions. I've wired the Honeywell DT90E room thermostat with the following:- A on the stat to LR on the boiler B on Oct 30, 2011 · Hi. Grateful for some guidance on this Jul 31, 2017 · Morning folks, Need wiring advice changing over a very old room thermostat to a Honeywell DT90E model. The programmer is a Honeywell Jan 1, 2020 · Hi guys, I am replacing our old manual thermostat with the Honeywell DT90E. The T40 has four wires: Red in terminal 1, Black in terminal 2, Black with brown tape on in terminal 3 and an earth that is not connected to any. Brown to L position - then two blank positions then Black with a Brown sleeve at position 3 & then the Nov 17, 2019 · Hi All, I just need help want to replace my old Honeywell T40 room thermostats with the Honeywell DT90E's. On the new stat you only need two wires,a-live and b-call for heat. Yellow 4. I also have a grey wire which i have made safe with a connector block + insulation tape, and Dec 11, 2019 · Second question : I am replacing a Sunvic TLX2259 mechanical 4 wire thermostat and don't know how to use the 4 wires in the Honeywell DT90E. To switch the thermostat back on, press and hold the same button again for 2 seconds. Blue (N) is not to be used and to be made safe. If you are looking at other stats, make sure they are for 2-wire connection (usually will need batteries, like the Honeywell DT90E). I recently moved into a new house and it has very old room thermostat and timer programmer. Learn how to use the Honeywell DT90E Digital Room Thermostat with this comprehensive user guide. I am unsure about the wiring compatibility and wondered if someone could clarify please? Currently, I have 3 wires - Blue, Yellow and Red. Hi, Just swapped all my thermostats to DT90E's (6 in total) and wanted to know if I should change anything in the installer menus as per my setup. . I have wired DT90E as below:- A - Red wire, B - Blue wire. This allows the temperature to be set to a lower value for several hours, to save energy. I know I need to use the live Dec 30, 2011 · Hi, I have a wiring issue with my thermostat and wondered if anybody could help. I have two thermostats on both floors. I want to change the British Gas RS1 thermostat for a Honeywell DT90E but on removing the front of the RS1 there are four wires-Blue to N position. We have had the technicians who put it in around Nov 10, 2016 · I have just bought a Honeywell DT90E room thermostat to replace a faulty Heatmiser DS1. Blue Thanks Warren Sep 30, 2019 · The wiring for the RTS1 is as below:- N - Blue wire, L - Red wire, 3 - Yellow/Green wire However when I swapped the RTS1 with the Honeywell DT90E thermostat, this caused the 3A fuse to blow. Thanks for any help. Nov 10, 2024 · I have drayton mechanical combi stat and would like to upgrade to Honeywell dt90e So where goes L,3 and N Thank you Oct 31, 2012 · I am replacing an old dial honeywell room stat (42003840-001) with a digital DT90E. I want to replace it with a new Honeywell DT90E Jan 26, 2022 · I am replacing an old room thermostat Drayton RTC with Honeywell DT90e. But, any replacement will need a wee bit of basic work - removing wires and refitting them on the new. 5. Jan 11, 2021 · Is the HONEYWELL DT90E DIGITAL thermostat (SPTD) compatible with my existing boiler and easy to attach to the existing 2 cable connection? Many thanks for help / advice Oct 4, 2021 · We have had a Honeywell DT90E thermostat with a Honeywell ST9420C boiler control for some time. I have installed a Honeywell DT90E and used the brown wire in A, the black wire with brown sleeve in B, nothing in C. Apr 23, 2019 · Hi Could really do with some advice and help with this one. We found the thermostat to be totally pointless as it had no effect on the temperature anywhere but the boiler control has been absolutely fine. Dec 21, 2012 · Hi All, I don't think the TPI is working very well with my old system, is there any way to turn it off see if things improve? Can't see anything in the installers menu. The symbol in the bottom right hand corner will disappear. As I understand it the DT90E only requires “live” in terminal A, “switched Dec 3, 2012 · Hi, I have just installed an Honeywell DT90E room thermostat to a Worcester Combi 30si but the boiler is not firing up when I'm increasing the room temperate on the thermostat. I have two gates from the pump H/W and Heating, the thermostat when switched on opens up the heating gate and the Jul 19, 2011 · Hi There, I've just bought a Honeywell DT90E and if I have not blown it up as yet, I'd realy appreciate some help. Is this a simple task and a straight swop? It currently has 3 wires in the 4 terminals. May 23, 2022 · Hi, does anybody have any experience using Honeywell DT90E thermostat? I just got one, connected to Ariston combi condensing boiler which has auto function for self-regulating of the water temperature in the radiators. Honeywell Home Resideo offers products licensed under the Honeywell Home brand that enable the user to reduce the running costs of a home as well as improving its efficiency. What is the second black cable for? Am I right in Jan 18, 2015 · Can anyone help? I have tried fitting a Honeywell dt90e and it won't fire the boiler? It is replacing a old mechanical acl ts142. When I swapped back to the RTS1, all is working again. Could somebody please advise me. Oct 30, 2019 · I would like to upgrade my Towerstat RS thermostat with a Honeywell DT90E thermostat. Some stats have volt-free contacts for low voltage switching, like yours, but also need a mains connection, and you dont want that!. The old stat was 1-live,2-call for heating load,3-earth,4-neutral. The old thermostats were 3 wire (Live, Sw-Live and Neutral) and the new ones I've wired up with just 2 wire (Live and Sw-Live). 3. Having isolated the blue and earth cables, l have connected up the yellow and red as per instructions. I still have Earth lurking about. Includes ECO button with countdown display for energy saving mode. Power to boiler but not coming on. Is only one wire to go into the Oct 19, 2019 · Hello. What I understand so far is that, Brown (L) goes into "A". I have a Honeywell ST9400c programmer and Honeywell Mid Position Valve. TrustArc Cookie Consent Manager helps ensure online privacy compliance. 1. These will take care of both the temps and timings, so' they'll run yer hoosie. Jan 30, 2021 · The Honeywell DT90E is as good a choice as any. xlf 681fn h6vx4 nlxr bqt dxsyhn of xh zjhghm wipj4cw