From this page you may access basic troubleshooting and helpful tips. You need to make it very clear these are only compatible with 2 wire systems by adding a power supply or replacing 2 conductor cable with 3 or more conductor. Still no power. Search for "venstar add a wire" on youtube and you'll see the official video. If I install the add-a-wire kit, do I need to attach to furnace, side or can I attach it out side next to thermostat, asking this because I live in an Apartment, and can’t get to furnace its in the ceiling, and I don’t have a C wire, other than something extra on wall, is it possible? Venstar Add-a-wire kit is by far the most popular adapter for this purpose. Read more about the C-wire here, including why Nest owners aren’t exempt from needing one. All these should be equal or lower. You may have to register before you can post: click the register link above to proceed. As the manufacturer of Venstar branded thermostats we offer training and support primarily to our distributors and their dealer/contractors. the most sense. Adding an adapter is not difficult: if you’ve ever installed a ceiling lamp or replaced an electrical outlet, you’ve got the skills and tools for adding this adapter. Add-A-Wire Diode and Add-A-Wire Box: I only have a 2 wire system at the moment and use “W” & “RH”. Skyport Mobile Control your Venstar WiFi connected thermostat from across the … Your place of purchase should be your first avenue of support. Have the add-a-wire device in your hand, plus the photo of your panel, then watch the video. Learn how your comment data is processed. Venstar thermostats are sold only to authorized distributors in North America. Not that I know of, unfortunately. Did not “link to off’ LED won’t come On. you might be able to tap the W wire (since at the ecobee, Y -> PEK and G -> C, W is untouched), for the venstar, but i can't say for certain it will work. Our distributors sell our products to their dealers and contractors. Your email address will not be published. I wish I had seen this post – it’s bookmarked now and now I think I will revisit the wifi thermostat option (which I had given up on). While buyingelectrical appliances […] One caveat: Like other smart thermostats, the Smart Si requires a C-wire. I have a 4 wire system, but no common wire. Nissan is click here expected to carry this tool as it enables Thank you!! Today's Posts; Mark Channels Read; Member List; Calendar; Forum; HVAC Wireless Controls; Wireless Thermostats; If this is your first visit, be sure to check out the FAQ by clicking the link above. Wifi is too power-consuming to get by on battery alone in the long run. […] The exceptions, of course, are heat-only and cooling-only systems. Availability: In Stock. All very standard. Usually smart thermostat is installed with four or five individual wires. Powered one with batteries If any or all of these voltages are higher (you might even see 48V), then you picked the wrong wire in the first step. They say “depends on which sensicomfort unit you bought” – and that is to say, if you bought one from sensicomfort.com since they do not sell units that work without batteries without the c wire – for reasons you explain quite clearly. I then went down to my furnace to see the blue wire was not hooked up either it was just wrapped around the same wire bundle going to the thermostat. If the liquid cools but set temperature not reached the furnace ignites again. It is not possible to run the WiFi features of the thermostat on AA batteries alone (unless you like changing batteries every couple hours). commercial contracting. 1. How do you like it? Installation takes first-timers about an hour, start to finish. Plus I would go take a good photo of the HVAC panel wiring in your attic, so you can go study it before getting started. What is geofencing and how do smart thermostats use it? 1. In AC systems with plenty of life ahead of them, a repair would make I would like to keep the fan running independently which means not jumping the G and Y terminals, I saw that Venstar add-a-wire or Honeywell C wire adapter or Ecobee Power adapter kit might help, but there is no information on the web about wiring them for a dual transformer system. Unfortunately for many homeowners, the outcome is an intermittent WiFi connection or unwanted furnace cycling. Which model of the Venstar do I need to hook up my C wire? Solution: Install a Venstar Add-a-Wire adapter! I only have 2 wires running from the Furnace as far as I can see. I believe the two wire line goes to the transformer. I installed two of these yesterday and they seem to be working fine. I have two use to of these soon for my HVAC: one for the humidifier, another when I plan on changing my HVAC and adding two stage heat. This site uses Akismet to reduce spam. If I manage to get the C wire by buying a generic 24V AC/DC adapter and have it connected as a replacement for the C wire, will it work with Ecobee or Nest? just don't use it on critical high current wires that drive full size relays. Option #2: The second way to add a wire is to install the ACC0410 Add-A-Wire accessory. 1. What you could do is remove the PEK and buy another venstar. […]. The nest would tell me there was no power from my red wire and I later found my furnace is incompatible even though it has the wires needed. If your system lacks a C-wire (and it’s good to figure this out before surprising someone with a smart thermostat of any brand), you’ll need to buy a Power Extender Kit from ecobee (Amazon.com link) or a Venstar Add-a-Wire adapter. Love the Unit so far but I believe I may be one of those people that need a “Common” wire set up. Read more about the C-wire here, including why Nest owners aren’t exempt from needing one, Thermostat C Wire: Everything you need to know about the "common" wire, https://www.amazon.com/dp/B00755BZZC/ref=cm_sw_em_r_mt_dp_U_3qlsCb7Q29W6F, Ecobee SmartThermostat review: premium thermostat delivers comfort and convenience, Server outage? I’ll email Venstar with this info. Their support email address is: thermostatsupport@venstar.com. They took the units back (I got 3) and should have charged them for wasting my time. This wire pair is simply a wire splitter, where a blue wire is splitted into yellow and green wires Open the thermostat plate and make the following connections Is there a wi fi enabled thermostat that can operate solely on battery power? The Venstar Add a Wire kit has the Venstar device (which is to be attached on furnace circuit board) and a wire pair (which is to be connected to thermostat terminals). No way to avoid it. My understanding is that the PEK uses all 4 wires in a unique way to create a C wire. The C-wire a common wire that delivers a continuous flow of electricity to your thermostat. If your system lacks a C-wire (and it’s good to figure this out before surprising someone with a smart thermostat of any brand), you’ll need to buy a Power Extender Kit from ecobee or a Venstar Add-a-Wire adapter. Used the G wire to hook up my Emerson sensi. Order by 2pm EST for same-business-day shipping. No fancy screen, In fact there is! Switch wires and start over. Venstar ACC0436 2-Wire Kit for all 24VAC Thermostats Control your Venstar WiFi connected thermostat from across the couch, or across the world. The ColorTouch T7900 has a beautiful screen. Will Venstar Add-A-Wire Adapter work to give me a C wire connection to power the wifi thermostat? Do these two wires stay connected as they currently are AFTER I connect the add a wire accessory. amzn_assoc_enable_interest_ads = "true"; However, all these diagrams assume there’s a blue wire, which you don’t seem to have (unless you do and it’s connected to one of your other-letter terminals). As above move the green wire from the G terminal to the C terminal on the thermostat and at your heating and cooling equipment. HVAC: red to R, white to W, green to C, blue to blue ( add a wire unit). Very basic but has worked fine until I hooked up the Nest. The Venstar Add-a-Wire is an inexpensive, DIY-friendly alternative to running completely new HVAC wires. The accessory is also used to fix a broken wire, to make one thermostat work like two, add cooling to a heat only system, or add a common wire to a 4-wire system (the green and yellow wires of the Diode ‘Y’ Has anyone installed a Venstar add-a-are? if 1 in 10 of them give problems, that's too much for a contractor. amzn_assoc_rows = "1"; If you are lacking the (ironically named) “common wire”, also known as the C-wire, you might be pleased to learn that there’s an adapter for that. Red/Rc – if you don’… Not true, it literally is "add a wire" except for common. User preference. However, I also have another 2 wire ( red connected at R and white connected at Y) . This method is by far the best way to add a “C” wire to the thermostat. Connect compatible thermostats and wireless sensors to WiFi and create profiles for easy installation. You should not have any problem. I bought the venstar add-a-wire diode to work with my new Nest thermostat. Call their toll free support number. Reason it can run on batteries people need to make sure to establish a business. It's attractive and easy to navigate. Lux Geo Currently I have a 4 wire bundle connected from my thermostat to my HVAC without using the C . I bought the Venstar Add a wire kit because running a C wire would be a pain in my home. Will the constant work with 2 wires? Thermostat won’t add … Hmm, i don't think that would work. I don’t know your heating system details, but my oil furnace cycles on and off as it is heating the baseboard hot water. Venstar connected products works with Amazon Alexa and Google Assistant. Works great. What I found is that it ran fine, for a few days, then my furnace started acting funny, e.g., when Nest was in “heating” mode, my thermostat would sometimes stay off, and just make clicking noises. amzn_assoc_ad_mode = "auto"; WiFi-enabled thermostat reviews and comparisons. Bought the emerson and haven’t had any issues. They are functionally identical. After doing a little research on Nest’s site, I found a page that says that the above 2 problems are likely caused by an incompatible furnace motherboard. The Lux / GEO comes with 2 AA Lithium batteries. This five minute video made by Venstar’s manufacturer demonstrates the installation process. Will this device work on a monitor heater? I have three wires in my existing progammable thermostat and want to upgrade to a wifi thermostat. I stripped it and hooked it to the C terminal on the furnace. You won’t be compromising any other function, and there is no need to run a whole new wire. Venstar Add-a-Wire adapter has you covered, The new Shortcut app is like Siri for your “Internet of Things”, Honeywell Announces Lyric, a Nest-Like Smart Thermostat, Thermostat C Wire: Everything you need to know about the "common" wire - Smart Thermostat Guide, Honeywell Lyric Review - Smart Thermostat Guide, Review: ecobee Smart Si smart thermostat - Smart Thermostat Guide, Thermostat C Wire: Everything you need to know about the “common” wire, Review: Emerson Sensi Wi-Fi Thermostat (1F86U-42WF). As the manufacturer of Venstar branded thermostats we offer training and support primarily to our distributors and their dealer/contractors. Highly-rated alternatives to our best selling smart thermostats. Installation seems straightforward. Now the C terminal had a white and brown already attached going to the AC. Find helpful customer reviews and review ratings for Venstar ACC0410 Add-A-Wire Accessory for All 24 VAC Thermostats (4 to 5 Wires), White at Amazon.com. i used one, it worked. I discovered no c wire. Hi Ryan, did you ever get this resolved? The website and compatibility check said it would work without a “c wire”. I tried the nest and they lyric, both would not work. Some manufacturers, like the Nest, claim that their thermostats work without a C-wire, drawing power from the heating wires instead. I just have a R, W & G wire. Thermostat does not respond to Off commands. I know Venstar markets their product as a way to add a 5th wire to a 4-wire system, but on page 3 of their manual pdf they do show it as being used to add wires to a 3-wire system (look for the “add cooling to a system that already has heating” diagram). How do I do it? Furnace is American Standard , Freedom 95, single stage. Wifi worked for two hours and then stopped. Great info. Now use the Yellow wire to carry the Add-A-Wire signal. Comparison: Emerson Sensi ST55 vs. Honeywell Wi-Fi 7-Day Programmable Thermostat (RTH6580WF), No C-wire? I only have a heating unit at our home and it was set up to only use the heating unit and has no access to fan controls either. Your two wire set up should also work. Required fields are marked *. amzn_assoc_region = "US"; From the manufacturer: In applications where additional wiring cannot be run to your programmable digital thermostat, the Add-A-Wire accessory can be used to add a wire to the thermostat. Watch it several times with product in your hand. So I just hooked up my new Nest Thermostat (2nd Gen) and got rid of my old “stupid” thermostat. I have a red and white wire set up Hold a piece of white paper at a 45-degree angle up against wall just below the thermostat. Looks like garage door wiring actually. […]. What tips do I need? I want to add 5th wire to my HVAC control with the Add-a-wire gizmo. Didn’t seem to see wire to hook to when I took the cover off. When I opened the furnace I was met with a weird set up. If you do have an Rh and an Rc wire, the Rh wire is the power wire for your heating system. I have wires connected to W, Y and R (linked to Rc). I can’t return this expensive RTH9580WF thermostat! I confirmed this by calling their toll free number. We highly recommend the Venstar Add-a-Wire adapter. All ecobee thermostats ship with a super handy “power extender kit” (PEK for short). Each of these wires has a name featuring a single letter (listed below). The Venstar company makes thermostats (in addition to the Add-a-Wire) and their support might be familiar with a greater variety of wiring setups. So I see you mentioned that I could use the Venstar C-wire to power my Smart Ecobee 4, but I don’t see the wiring details. Will that be ok if I use 2 Common wire for one connection on the board. I, too, only have 2 wires (and no common wire). I only have 2 wires for my thermostat that is in a 1987 double wide. In applications where additional wiring cannot be run to your programmable digital thermostat, the Add-A-Wire accessory can be used to add a wire to the thermostat. Only one of these controls the AC and it has a blue wire. However, I won’t be using this location for the WIF thermostat, but one that only controls heat and has the three ires I noted above. so your saying the be star will only work on thermostats that only have 2 wires hooked to it? Red/R* – power wire for your heating and cooling system. I have two T terminals on my furnace. I have a T spot!! I have a heating system with just a W and R wire, can i use this to add a C wire for a wifi thermostat? Works great. © 2020 Venstar Inc. All rights reserved. Venstar itself does not sell thermostats direct to the consumer or online. There are two individual 120V wires that provide the best electricians with The included battery is an AAA size Lithium battery, but if yours arrives drained (like many do) you’ll need to replace it. You will be best to take the panel off your furnace , find if a C wire is connected and determine the color while making sure it’s the wire bundle going to the thermostat.. on No C-Wire? A few of these dealers sell Venstar products online through their own website or through an online retailer such as Amazon. 30 seconds” on my Nest display. Without knowing what all it involved, I found the blue wire tucked into the wire bundle as it had been cut off since not in use. I have a Nest thermostat. Instructions are included with the adapter. They usually deal with using electricity for transmitting energy. I do not have a furnace only a monitor propane wall heater. Watch us hook up a venstar T5800. Can I use the following two wire switch with my Ecobee 4 with Alexa? I do not have a C wire but I do have 5 wires, Y1/G/Rc/Rh/W1. I used this to add a wire to my 4-wire setup so that I could add a Nest. I’m currently having the same problem! I have four thermostats for four zones. Plan to connect 4 existing wires: Thermostat: red to R, white to W, green to C, blue to blue(add a wire diode). amzn_assoc_placement = "adunit0"; Can I watch a installation? Power sharing or stealing is not dependable If you have a low voltage HVAC system, you can skip some of the hassle if you select a thermostat that works without a C-wire or ships with an adapter. Can this adapter work for me and help me go from 2 to 3 wires and if so would this fix my issue? Good question! If you do resolve it, please come back and let us all know how it goes! The accessory can also be used to fix a broken wire, to make one thermostat work like two, to add cooling to a heat-only system, or to add a common wire to a 4-wire system. To start viewing messages, select the forum that you want to visit from the selection below. Has this product been tested by Underwriters Lab or a similar group? This will act as a reflector making the LED must easier to see. I used this to add a wire to my 4-wire setup so that I could add a Nest. If you are considering buying this adapter, watch this video first to see the full scope of the project: Expect a little ambiguity as your furnace panel will invariably vary from the one shown, but anyone savvy enough to install the thermostat itself should be able to handle this project. And keep replacing it, if your home lacks a C-wire. My issue is that I don’t want to run the PEK wire from my furnished basement through the utility room. In fact, I want to install two WIFI thermostats at different zone locations. Problem: Your HVAC system lacks a C-wire (common wire) for your new WiFi thermostat. Yes A few of these dealers sell Venstar products online through their own website or through an online retailer such as Amazon. amzn_assoc_linkid = "4f0b06373f8304fce4a2d98f4c116792"; amzn_assoc_marketplace = "amazon"; Though a bit more money, I decided to try the Nest. Nest Thermostat No common wire - Nest thermostat needs no common wire -problem solved, How To Connect the nest thermostat without a Common wire. $24.49. Thanks for your posting. add a wire does work btw. The Nest site said that my setup was 99% compatible with the Nest, so when I hooked everything up (pre-Venstar) and the gas igniter wouldn't light, troubleshooting pointed to the lack of a common wire. Here’s what happens to your smart thermostat, ecobee’s new SmartThermostat gets better at everything – but it’s still a thermostat, Review: ecobee4 adds Alexa, keeps everything else that makes an Ecobee thermostat awesome. If this describes your home’s HVAC setup, you will actually need to run a c-wire or consider a solution like Venstar Add-a-Wire. Both work fine If you’re not sure what you have or what to do with your wiring, check out our full guide to the C-wire. You have to move another wire to common and use this add a wire for the remainder of the wires. Now, measure between that remaining wire and all the other terminals on the Nest one at a time. There was no wire attached to the Y terminal and instead a wire … Venstar's Powerful Web App for Skyport Cloud Services Provides New Power to Monitor and Control. I purchased a Venstar add a wire unit with diode and a Honeywell RTH 9585 WF thermostat. Venstar Add-a-Wire on Amazon.com Why add a wire? http://www.luxgeo.com. It’s much cheaper and easier than running new HVAC wiring, can be done by almost anyone in about an hour, and well-reviewed by other buyers on Amazon.com. Your email address will not be published. Through an online retailer such as Amazon 10 of them give problems, that too. Minute video made by Venstar ’ s manufacturer demonstrates the installation process double wide try! Weird set up completely new HVAC wires the installation process RTH6580WF ), no C-wire by far the most.... 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