How to Install Honeywell Smart WiFi Thermostat RTH9585WF Wiring
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- เผยแพร่เมื่อ 27 ก.ค. 2024
- In this video, we show you How to Install Smart WiFi Thermostats like the Honeywell RTH9585WF, including wiring, setup, and usage.
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⏱ Table of Contents Honeywell Smart WiFi Thermostat (Click on timestamps jump to chapter) ⏱
0:00 Introduction to Honeywell Thermostat
2:07 Warning for owners missing 5th "C" wire
4:42 Main features of Honeywell RTH9585WF thermostat
6:00 Unboxing Honeywell thermostat, what's inside the box
7:05 Alternate instructions for the "C" Wire
7:50 Installing Honeywell Smart WiFi Thermostat, wiring instructions
13:30 Initial thermostat power-up, on-screen menus, Wi-Fi, setup
16:14 Testing MyTotalConnectComfort App on iPad
16:55 Stepping through menus on Honeywell RTH9585WF thermostat
This Honeywell thermostat rth9585wf is 7 Day Programmable, and it has a Touch Screen, Energy Star, Alexa Ready. You can control it from apps on your Apple iPad or even on android devices. I control it from my Samsung Galaxy, my wife controls it from her Galaxy and from the iPad.
Honeywell thermostat install
As part of the Honeywell thermostat installation, we first had to perform the Honeywell smart thermostat removal of the older unit that had a cracked display from falling off the wall. The Honeywell thermostat wiring was pretty simple since you just label the wires you remove off the older Honeywell thermostat, and wire them in the same spot when you install the new Honeywell thermostat
Honeywell wifi thermostat no c wire for rth9585wf
The Honeywell wifi setup is simple, but if your AC system is a 4-wire instead of a 5-wire have no C wire, then you're in trouble and have to do some wiring tricks because you need that 24 VAC on the C wire from the air conditioner to power your new Honeywell smart thermostat rth9585wf. Remember this Honeywell smart color thermostat is not battery-powered, it requires power directly from the air conditioner unit.
The menus on this are self-explanatory and easy to follow and navigate. Consider this thermostat installation video to also be your Honeywell WiFi thermostat instructions, in particular, the wiring instructions for this smart wifi thermostat. Hopefully, this how-to installation video makes your Honeywell thermostat wifi installation go smoothly.
rth9585wf1004
What to do if you get a Honeywell wifi thermostat without c wire
With any smart thermostat with no C Wire, you still have to give it 24 V to power the smart thermostat. In my Honeywell rth9585 installation, I stole the green "G" wire from the G terminal and used it as the C wire on the C terminal to power this smart thermostat with 24 VAC. This means however that I can't have the function where I just run the blower by itself with no AC or Heat, like the vent function in your car. No big deal, we only use our central air conditioning unit in AC mode or in Heat mode. So the blower comes on automatically when your Honeywell Smart Thermostat tells the AC or heat to turn on. - แนวปฏิบัติและการใช้ชีวิต
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Okay I thinking on getting it, It got confusing on link to Amazon for thermostat, on description it said it uses AA batteries If you don't have C wire? I have a regular gas furnace ( no AC/ cooling system) nothing fancy So I can't use that thermostat that is required C wire hook up even on Amazon it takes AA battery? I want to get one that is password protected that nobody can turn on furnace and jack up the temp and I can shut off and turn on furnace while I'm at work or out of town.
If my red wire has continuous 27 volts would I put that in the " c " slot? Thanks
Hi Jeff, Thanks for the informative video, it was very helpful. I have a 4 zone system - three that can operate on their own, and the 4th is the main panel that controls the 4th zone but can also control the other three. Will this Honeywell system work in that set up? I do have the 5 wires required and had the Honeywell in another home and liked it. The plan is to replace the existing Honeywell's that are about 15 years old.
Thanks!
Jeff
Any updates on this?
We recently had our HVAC replaced with what I Believe is Heat pump after years of a dead unit and I'm looking into a more advanced controller. What I'd Like to have is one where I can have AC from say 8a-8p and then have it switch to heat from 8p-8a during the warmer months, but during the colder months, have it be just on heat. I was also considering finding one that can adjust based on the exterior temperature, but I'm still pondering how important that would be.
AWESOME... I'm 67 years old and a woman - and I DID IT! Too easy! Thank you for the walk thru!
You are so welcome!
And a woman? 🙄
AND a woman............ 🤦♂️
Great job!!!
52 seconds into your intro, I knew this was the best instruction about installing this unit. Cons were up front & this was invaluable & greatly appreciated!
Thank you for biting the bullet, & troubleshooting it all, for the rest of us.
thanks glad to help!
If you dont have a C wire you can always purchase a Plug in Transformer that will provide 24v, super easy.
@@willytech97 how much was that??
@@kellydunn9275 the plug in transformers run around $20
@@willytech97 thank you so much, I ended up having all the wires I needed which I was so thankful for!! The were stuck in the wall cavity
After reading the confusing instructions to use a "C" wire, I ran a new 5 wire cable. Your explanation gave me the understanding and confidence to do this. Thank You Jeff for your down to earth explanations. It works like charm.
Awesome glad it worked
Thank you for posting this video! I was dreading changing my heating and cooling thermostat, but I didn’t want to spend over $400.00 to get someone to install it for me. I followed your video methodically and was able to complete this task by myself. Thank you for sharing your expertise with me and the uTube world!
Thanks, I'm glad you liked it!
After doing some research on my wiring, this showing me the green wire (which I have on my system for power for "C" wire which I have) is the one to use for it, not only was I happy to learn that and I will check with meter to verify that my green wire has power on mine for certain, it also sold me on buying this exact unit. I appreciate all the helpful info and phone app workability which was also extremely helpful! THANKS MAN!
Glad to help Roy!
Awesome advice and crystal clear instructions. Thank you so much for sharing!
Thank you for this excellent video. I was afraid to do this by myself, but your instructions were perfect and saved me having to pay someone to do it for me. THANK YOU!!
Great video. Very informative. Thank you. I wish you could showed the whole menu on the settings, even if it was brief. But great job on the video. Just purchased one. Thanks.
Sorry about that video was getting too long already.
from beginning to end and from device to App instructions, awesome that's what i needed.
Thanks Jonathan, glad to help out!
Hi Mr. Jeff, I just purchased the same Honeywell Wifi Thermostat here in Central FL.. and I'll install it tomorrow.. Our old HoneyWell is still trying to Connect for 3 days..6 yrs of great service.. but it was time for an Upgrade..! Thanks for the great helpful video.. Stay Safe .!
Glad to help Alberto!
Great job! Just bought this thermostat. Thanks for the great, easy to understand video!
Glad it helped!
I'm really glad he took the time to make this video. But the first eight minutes could have been covered in 45 seconds. The second eight minutes was very useful
Great video! Led me right through my installation. Thank you!
Glad it helped
Thanks Jeff. I enjoyed your video because it was to the point. You wasted no time showing us useless stuff; I appreciated that. I have this (same) thermostat but today, it powered off at 02:30. When I awoke, I noticed it and haven't been able to reset it. I removed it, checked the breakers and replaced the faceplate, but it still didn't reconnect.
This video is EXACTLY what I was looking for. Thank goodness for all of the teachers at TH-cam University. 🤣 thanks so much for posting!
Glad it was helpful!
Nice video just pick this up and going to install in on Saturday after replacing my central ac unit. I pick this up for $54.02 out the door I think that's a good price.
Thank you for this. It made my install so easy.
Glad it helped Ryan
Great video Jeff. Now I know how to set it up when I put mine in this week.. thanks....
Awesome, glad to help Bill
Great Vid! I've been looking at all kinds of thermostats and vid installs. Been looking for the next thermostat, this might just be it.
Glad you liked it! thanks for watching Eddie
Thanks so very much about the C; you're right about it being in very small letters! I have a 5-wire (or common) so I was able to get this connected; but would not have if I had not watched your video first.
Way to go Eddie
I’m so glad I came across this video. Tyvm. My old mercury thermostat is going bad where fan on is not working. I’m assuming since I have that thermostat currently I have a c wire?
But I’ll def be getting this or the t5 thermostat
Glad it helped. We have no way of knowing how many wires you have until the thermostat is pulled off the wall.
Excellent Video! Although I am not a Handy person I would love to watch the DYI videos!
Thanks for coming back to another of our videos Leah
Great video with very important information. I wish you'd went through some of the features of the thermostat either in this video or in another video. Otherwise, great job!
I did go through many of the features near the end, but also have to keep it short.
Just purchased this exact thermostat and this video made installation seamless.
You never cease to amaze me Jeff, installing one of these today, and bam Jeff got a video on it😎🛠️😎🛠️😎
You know it bro!
Great great stuff!!! Thank you for this.
You are welcome Robert, and thanks for watching
Thanks! I just installed this thermostat upstairs/downstairs with your informative video. My previous Honeywell thermostat only had the R and C connected, so I connected the white and yellow wire as well. Not sure if I had to do that, but did it anyways and it’s working.
Glad it helped!
Jeff, very helpful. My TRANE XL850 died and I should be able to replace with a like version of the Honeywell (both 24v) the Trane is connected by 3 wires.
Only 3 wires? That might be a challenge. Soon I want to upgrade my AC to the Dave Lennox Series, their top of the line model, then convert to 5 wire.
Great Tutorial and Video! Thank you for such a informative walk Thur. 😊
Thank ou for making this video. I just bought mine and my ac heat guys will be installing this with my new system
Glad I could help, you'll love this thermostat!
Very Helpful video. Didn't have read the instructions at all setting mine up.
Glad it helped
Very illustrative video. Thanks for that!
Glad it was helpful!
Thank you so much! Very helpful.
Great video, very informative!
Glad you enjoyed it!
Hey, great video. School of YOU TUBE came thru again. It made the change super simple and it made me very confident in the hands on work.
Installed successfully, thanks for the video!
Great to hear!
Great instructional video on this thermostat install and set up. Loved it!
Thanks, I'm glad you liked it!
@@jeffostroff I have been wanting to go Smart Thermostat for 16 years but was afraid to try it because I never changed one before. Thanks for helping make that come true!
Excellent presentation and easy to follow. Good job Jeff thanks for sharing
Glad you liked it Bill!
Excellent job on this video. Thank you.
Thank you sir! Appreciate the help.
Glad to help You can also go to honeywell's website for this thermostat and they have a customer service section there with articles on wiring it and then you can also contact them as well. They even have some videos on their channel covering some of these topics like people not having the C wire and other issues like that
Thank you so much for the video. The best instructor every.
You're very welcome!
Thanks for the video I’m about to order this one ☝️
Awesome news, thanks for watching Eddie!
Hello. Your instructions are straight to the point and very easy to follow. My problem is I have 8 wires on my old thermostat which the C wire is blue. O tool a picture but don't know what to do with all those wires.
Check on the Honeywell web site support for you thermostat, they have other wiring scenarios there
Hi, there’s anyway you can set cycles on this thermostat? Thank you
Ha I just bought one of these yesterday and made this same mistake.lol Tried it without the C wire and the screen blinks on for 1 second and off for 2 seconds and repeats. Tried different configurations with the same results. The system just won’t stay on. Took it off and found an unused C wire but the display doesn’t come on at all now but we did feel the air coming through the vents even though we can’t control anything. Gonna give it another go today. Thanks for this video.
Dang I hope you did not get a bum unit, maybe the display part is bad. If you can measure the C wire voltage, see if it is 24v
jeffostroff tried again this morning and just put the old unit back on. I’m gonna call Best Buy and let them handle this one. The air did cut on this morning but no display. Thanks for the reply.
Thanks for the video. I was wondering if you knew how to set temperature limits on this. I’m trying to make sure less energy is used in our house.
Hi… so with a c wire accessory included, does that make it easier? Do you ever have to go up to actual heat system in attic?
how do you find the halve degree increments like the front of the box showes
I don't know what you are referring to. Nothin on the box shows any half degree increments, it all shows full number son the display.
Hey bud. Question. I just bought the same thing. I don't believe i have a C wire coming to my current thermostat but there are 4 wires coming through the wall. The new honeywell came with a white jumper. Can i still hook the new one up?
what I did on my AC is I reassigned one of the wires on my AC unit to be the O wire, but then lose the ability to run the Fan Only mode, which we were ok with. I believe in newer versions of the manual they have tricks to provide a C wire.
How do you set up the auto change?
On my old Thermostat I have a separate aux and E cord do I put those together to put in the new slot
Sorry, I have no idea what those 2 wires do never heard that nomenclature before
Does the jumper for rc to r on your thermostat take place of one that doesn't have one setup like that? For instance you on my old one there's an extra wire going from r to rc
Yes, the jumper connects the Rc (cooling) to the Rh (heat) or commonly denoted R. the jumper is there to make sure you can control the heater or the cooler.
Hi Jeff, thank you for the video. Question, my previous Honeywell Smart thermostat was not reading properly (installed 6 years ago) by contractor who was moving it when I had my kitchen/dining room remodeled. Now, after taking it off the plate, I noticed a yellow wire not connected. There is a blue where the Y connection should be so did he forget to install the yellow in Y2 position? I am installing the new one and wondering if I should connect it there? if I do, are there any issues I would face if it doesn't need connection? Thank you!
the colors of the wires you see don't always mean anything, you need to see on the air handler the circuit diagram for the air handler that shows where each of these wires goes to, then see if it lines up with the proper terminal on the thermostat
WELL DONE VIDEO ON A VERY NICE T-STAT. JUST FOUND THIS CHANNEL. LOOKING FORWARD TO WATCHING MORE OR YOUR VIDEOS. CHEERS!
Thanks and welcome
Great video Jeff, I’m just having trouble sharing the app with my wife so she can have it on her phone. I thought it would send her the link when I entered her email. Thanks
she has to download it from app store
Thanks for the video! Is this dimmable? Or does it time out? I dont want a super bright light in the bedroom
I could not find any information in the owners manual about it being dimmable.
Hi Jeff - I'm considering the same Honeywell you installed here. Plus, I used to have an older Honeywill like yours that was broken. My old Honeywell still worked, except I couldn't change the time. So I switched to Ecobee last year - and I don't like it. It's hard to use. The thing I miss about the old Honeywell is that I could change/hold the temp until a specific time - e.g., set it at 68 degrees until 3:30pm. Can you tell me if the Honeywell RTH9585 offers the same flexible hold options? I'd like to know before I haul off & buy yet another thermostat. Thanks!!
Thank you for the video! Question, recently my thermostat (slightly older model) starts turning the air on sooner than the scheduled time. And I know the weather outside is not hot enough to start the program. Example: I have it set to lower the air from 74 to 70 at 8pm. This is starting to lower the air at 6pm. (before it would start around 7:45pm). So I decided to do a factory restart, and still same results. Now another issue. It is registering 75 when I know for a fact that the room is 70 degrees because I have 2 portable thermometers that I am using to make sure this is right and they both say 70. I tried to reach out to Honeywell support, but no response yet, been 3 days. Any advice? The unit is only 5 years old.
Maybe your time zone is off on the thermostat? Check the setup menu, find out what city is the time zone that it thinks it is set to
Thx for the video showing all detail steps to install the device. I just checked my old Honeywell thermostat and found one of the wire is connected to RC, with what I think is a jumper, a kind of U shape little metal hook, connecting the RC and R.
Can I ask you how to change this set of wire into the new WiFi thermostat? Do I do the same like the old setting? Connect the wire to RC, with the U shape jumper hooking the RC and R?
Thx very much 🙏🏻
For most common systems, the default configuration at the factory on the thermostat is to jumper the Rc to the Rh. This is because most systems have only one red wire coming out of the wall going to "R". So they both get jumpered together for single control. If you have 2 lines coming out of the wall that are red, chances are one goes to RC, the other goes to Rh, and you must remove the jumper. Which do you have?
@@jeffostroff thx very much for your reply. I am using Honeywell RTH221B (battery needed), and I found only 4 wires coming out from wall (so, no wire for "C"). 3 wires going to "GYW", and one going to "RC", a jumper connecting "RC" and "R" together.
Therefore I believe I need to figure out how to provide power to the thermostat if want the one you mentioned in the video...
@@leochh We had to do the same thing on this install. What I had to do was inside the air conditioning unit I found a 24 Volt signal that I was able to use for my C line and Wren dad to the sea line. But by doing that I lose the ability to ever run my air conditioner in fan only mode which is no big deal because I only use it in AC mode cooling mode, or in heat mode I never operated with just a fan only so that was no big loss for me.
@@jeffostroff thx for your advice, let me try this out~ :D
thanks for sharing
my questions is if i'm having 5 lg packages
can i control them bt one system or each package required Honeywell Smart WiFi Thermostat
I don't know the answer to this, I would suspect you could if you wire them all to this unit
Yeah I definitely don't want to get stoinked
Thanks for the wisdom
Any time!
Great video Jeff! One question please. I have propane gas heating at my house. My neighbor told me to set it as “electric” instead of “gas.” What would you recommend please?
You could set it as electric if the control signal does the same thing as your propane unit expects, like a 24 v signal.
@@jeffostroff U da man! Thank you very much!
thank you for the c- wire information
Glad to help Daniel!
How do you add your second thermostat to the Honeywell app?
Very helpful but on my old one I also have an orange and blue wire. How do I hook them up? I have a total 8 wires to include the c wire.
I'm not sure, I rarely go by colors, since they can be hooked up all different ways. I go by the wiring diagram on the panel of the air handler to tell me what the wire colors mean mean.
Great video. This is my current set up Jeff. Left side- C, O, B, W/E, W2- right side RH, RC, G, Y, and Y2. Would this work with this model?
It should if you look at 8:30, see if it matches the printed circuit board with the labels
I have a boiler and this exact thermostat and it works fine with a 24v adapter. So it will work without a common wire
Yes I had mine working without a common. I did not have the adapter like you did but I just robbed another part of the circuit in the air conditioner in order to make it work.
nice and very informative video. however, i have 6 wires (orange wire), i installed last winter and no problem at all with the heating. this summer, i tried the cooling and hot air comes out from the vents. any idea or advise to correct this. thanks
can't tell by color of the wirw, we need to see the schematic to see where the wires all go in the AC
Hi . I want to know whether this thermostat supports with humidifier wired or not.
Thanks
Jeff, I've just watched this video and was looking for a replacement thermo for my now dead thermo. Everything seemed pretty straight-forward but when you come to the step where it asks for YOUR SYSTEM TYPE, how would I know which type of system to choose?
It's simple you either have a gas unit or an electric unit. You either have a heater or you have an air conditioner that does both heat and AC
Thank you for this video. I was glad that u mentioned the need for a "c" wire but unfortunately when u installed the thermostat you did not talk about the adjustment that you said you made or even point it out to us at the most important time, installation. What if you only have a heating system etc do you need the c wire and or the adjustment?
With most smart thermostats you always need C-wire regardless of whether you have a heater or an air conditioner or what because the C wire is needed to help provide the 24 volts needed by the thermostat to operate and to turn on their own display for you to see what's going on to power up that display. Older thermostat models that operate off batteries won't need a C wire but I highly suggest against using battery operated thermostats they were a source of many arguments between me and my wife as to whether the battery needed to be changed or the air conditioner does not feel right because she thinks the battery has to be changed but in the end having a thermostat that runs off 24 volts is the best way to go.
Hey, so first of all thanks for the video! But after install, the air blows cold for a few mins then it blows warm. Not sure if i did something wrong but all the wires are in the right place
Issues you can fix:
Thermostat is set to HEAT
Clogged outside unit
Outside unit is not receiving power
outside unit having issues with the compressor
Issues a professional needs to fix:
Low refrigerant (refrigerant leak)
Dirty evaporator coil
Leaky or disconnected air ducts
@@jeffostroff okay thanks for that information. With the old unit there was a red wire in RH (there was no R or RC option) so when i put this new unit in i put that red wire in R, do you think i should try putting the red wire in RC instead or R?
@@AlfaAK101 both RC and R and linked together, would not matter which you put it to
Well done!
Amazing tutorial!
Thanks, I'm glad you liked it!
Jeff, I just purchased Honeywell's RTF6580WF and found out it does not support emergency, backup heat. I am in Florida running a heat pump system. Also I do have 5 wires including the C wire, but can not get the A/C to turn on and cannot get the heat to turn off. Can you recommend a thermostat that will support my backup heating system, or do I just have this Wi-Fi thermostat wired wrong? Thank you.
I don't know much about these heat pumps, but is this one from amazon that will work?
www.amazon.com/Honeywell-RTH3100C1002-E1-Digital-Thermostats/dp/B000VL440U
I just installed this a week ago the part where wasn’t sure was the forced heating if it was gas/oil or electric I selected gas/oil is that correct? Also the efficiency of the heating I selected 90% efficiency. I don’t know if that’s correct either.
It's very simple if you have gas or oil you use a different setting. If you have electricity powering your air conditioner, then you select electrical.
Where does your GREEN wire connect on the blower package? I dont have a C wire.
I don't remember what I did it's on the video. You are supposed to take a photo of the wiring before you disconnect. If you don't have a C wire, look in the hole where the wires come from, sometimes they fold it back in the hole because it is not being used. If you don't have A C wire, you'll need to wire one to the AC or wire on to a 24 v source.
Finally got mine installed; a couple of quick notes worth mentioning while I'm here. First, this thing is flimsy as heck. I broke not one but TWO of the plastic terminal housing just pushing the wires in, incredible. I was half tempted to simply send it back right then and there, but figured I'd push ahead and see if I could get it powered up and working despite not having confidence that the wires were securely snug but it appears to be up and working thus far. Second, it seems you MUST set the schedule and edit the schedule via the touch panel on the front of the device - I see no way to edit or change the schedule once you've logged in to your account on the web through that interface.
*Edit - I had previously said you were required to toggle the device from heat to AC manually, but this is not true; you can set it to go between both as needed automatically, which is nice. For the price, as long as you can keep from breaking the terminal housing with the wires, it's actually a nice little thermostat.
Good info be sure to use the app on your phone or iPad to control all settings
So you're telling me if I buy this expensive thermostat I still have to go to it and manually switch it during winter and summer months?
@@justc215 Nope, sorry for the bad info! It does indeed have the ability to go between heat and air without you having to intervene. That was my mistake, it just wasn't clear to me at the time.
@@Sudz28 Scotty! C'mon man lol
@@justc215 I know! I suck! Sorry about the fake news.
Hi nice video... is this have a on and off from the app? And is works for any a/c the one in the atic?
In the set up it asked if the unit is Gas or Electric, which do I put if the AC is electric and the Furnace is propane? I haven't installed it yet, but your video seems to be very clear. You mentioned there's a link showing how to add or work around the missing 5th wire. Would you happen to know the link for that? Thanks in advance
Kevin not sure about the propane, but they have a lot of setup and wiring tips on the Honeywell site ofr this thermostat: www.honeywellhome.com/us/en/support/how-do-i-wire-my-wifi-9000-color-touchscreen-thermostat/
If your forced "Heating" system runs off of gas/oil select gas/oil.
Mine is both as well Furnace is gas
Hope this helps..
I got a 6 wire and connect according to the old device and now I get no cd air.Any help please ?
My old Thermostat did not use the C wire but there are extra wires to the thermostat. How can I tell if one of these is the C wire, just see if I have 24v on any and that is the C? AND can you just supply 24vac from any source such as a transformer?
I would think you can supply 24 VAC from any source. What you need to do is check the schematic on your AC unit which describes what different color wires do, so you can see where those wires are going.
Ok I have to ask. If you’re replacing the damaged control unit with a exact copy why change un damaged wired backplate?
We had problems with the older thermostat falling off of the back plate which is what caused it to crack on the glass to begin with period so I did not want that old plate on there. I had a feeling there may have been something microscopic between the two of them that was keeping it from latching on tight enough. The newer thermostat had no problem sticking to the newer plate it just latched on nice and tight and never fell down once. But the other one if you slammed a door nearby it would fall off of the plate
Does it have an internal backup for storing the information you have when you have electricity out?
If I have a previous thermostat with a "G" wire, Can I connect the "G" wire to the C at this thermostat model? Do you think that will be enough?
You can try it. IF that doe snot work, Honeywell's website for this has other scenarios to try
Hello Jeff, great video. Where did you turn the power off from. I was going to shut the power off at the breaker box but, is there a power on the HVAC unit? Thanks
That is correct If I remember correctly, I just did the switch on the front panel of the Air Handler a few feet away. It's usually low 24 volts, typically no danger, but you never know. I would still use a Voltalert sensor to double check. IF that doe snot work, try the main breaker switch for the Air Handler in the electrical panel.
Ok the video is very informative but, is the C WIRE a added wire? A added wite provided in the new Wi-Fi Honeywell Thermostate package purchased?
Looks like this doesn't have a proximity sensor (also known as geo-fencing)?
Not that I know of, not on this unit.
Great video and crystal clear but I'm still having problems. Had basic honeywell thermostat before and switching to this one. I have a 5 wire system white/ w green/g yellow/y my blue was going to Rc and red to Rh on old unit. New one is not powering on. Would the blue go to the c (common?)connection instead of rc? I would greatly appreciate some help it's getting cold in here and I'm in Michigan! Lol🥶
Usually the blue liner goes to C but you can't always guarantee that so you really need to find out where the 5 wires go to on the air conditioner itself
@jeffostroff thank you man I really appreciate the quick reply. I just put the old one back in for now until I figure this out.
Very good. I will go ahead and buy the same one today.
Hi Jeff, do you know where I put the orange wire in this terminal
No, I have no idea what your orange wire is connected to.
Just bought this thing! But, I had an older Honeywell already installed, but this new one, the RTH9585WF, doesn’t have a U1 wire... where do I put it?
Usually U1 wires in a thermostat are usually connected to a fresh air vent somewhere in your house or a humidification system not sure which one you have. But either way I'm not certain that the new Honeywell thermostats work with it or if they do you will probably have to contact their customer service people to get instructions on how to utilize that wire
Can i asked, you never mentioned if you had use the jumper wires for the units that have the rh and rc jumped together, is it necessary in order for the unit to work as before??
I didn't touch any of the jumpers there so unfortunately I don't know the answer to your question. You can look in the owners manual PDF online, or Honeywell also has a channel on TH-cam with a lot of videos that talk about these different types of things and what you need to do with them.
I have a ranch home, (in Massachusetts), two zones, (2 separate tstats), for heat, 1 thermostat for AC. I replaced the two heat tstats with Lux 1500 about 15 years ago, left the old school Honeywell thermostat alone. The thermostats only have the 2 wires coming out, does this mean I can't install a new wifi type of thermostat? or does this mean bringing in an electrician. Any advice would be welcome
Well since you split up the heat from the AC you probably do have all of the wires needed at the AC unit, but they're just not all in one spot for you to hook up this Honeywell thermostat. So, your choices are you could bring in an electrician to run your 5- wire cable and make sure that it has the C wire on it as well connected at the AC handler. The other solution you might want to look at is the new wireless thermostat that I got which is the Lennox iComfort S30 and I bought this to replace the Honeywell that you see in this video, because we bought a new high end Lennox air conditioner and this is the preferred thermostat for that air conditioner. This awesome new S30 is bigger and nicer than the Honeywell. The AC installers explained to me this S30 does not need the 5-wires, only power and transmits everything wirelessly to the air conditioner; there is a Wi-Fi receiver that mounts on the wall outside the air conditioner. So, you may be able to use something like this on yours as well. I would investigate that and looked look into the instructions in the installation guide and the wiring info and see if that is something you might be able to use in your configuration as well
@@jeffostroff When we purchased the home back in 1999, the thermostats were already installed that way. When the house was built, 1994, did they not have a combo tstat that they could have installed a heat and ac together? I will check out the Lennox S30, the central AC unit here is a Lennox product. Thank you Jeff for the help and advice.
Very well made!
Thank you! Cheers!
Excellent video!
Thanks, I'm glad you liked it!
Great video, hooked it up like instructions say. But now I have heat coming from my air conditioning?
Never mind, I got it. I had it set on forced air and I have a heat pump. Thanks
Glad it helped
Awesome you figured it out, those heat pumps can be confusing.
Hi Jeff, do you know if this works well with a variable speed blower? Nest says it won’t work.
Not sure. We're looking at installing a variable speed Dave Lennox series high end AC, and my guy told me today that surprisingly it only needs a 4 wire, so maybe that has to do with the variable speed blower in it also. He told me that Lennox recommends another smart thermostat they they use with their 4 wire AC. Hope to find out what that thermostat is in the next few days.
Nest uses a power stealing feature that often disrupts communication in the board and blower motor. They have made some updates and may have improved that problem. Don’t know,a lot of our customers that buy them at the big box stores have issues with them.
I have an O wire (Orange) went into my O before. But with this system, there seems to be no home for O? Is there another alternative?
Meaning that I had 6 wires before. Is it possible that this one can work with just 5? By hiding the O wire?
You'll have to check on Honeywell's web sit where they have videos and FAQs, I'm sure you are not the first person with this O wire. I assume you have a heat pump of some sort or is this in an RV.