If you wish to use your ecobee4 or ecobee3 to control a humidifier, dehumidifier, or ventilator, additional wiring may be needed. These wires can usually be removed from your current accessory controller, such as your humidistat, and used in the ACC+ and/or ACC- terminals on your ecobee.
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Do I need additional wiring when installing an ecobee?
The most common need for additional wiring when installing an ecobee comes from the lack of a C wire. Depending on your system, the Power Extender Kit (PEK) included in the box with every ecobee may be able to provide a C wire connection.
What comes in the box with my ecobee smart thermostat?
Here’s what you’ll find in the box. ecobee smart thermostat Room sensor Backplate and stand Power Extender Kit (PEK) Drywall plugs Screws Install guide (this booklet), room sensor manual, wire labels, and voice card. Trim plate You’ll also need these tools:
Why won’t my ecobee turn on my air conditioner?
The most common reason an Ecobee won’t turn on your air conditioner is due to excessive water build-up in the drain pan. If it’s not the HVAC system, there could be a wiring problem with your Ecobee either at the thermostat or the HVAC control board.
How do I connect my ecobee to my humidifier or dehumidifier?
If you wish to use your ecobee4 or ecobee3 to control a humidifier, dehumidifier, or ventilator, additional wiring may be needed. These wires can usually be removed from your current accessory controller, such as your humidistat, and used in the ACC+ and/or ACC- terminals on your ecobee.
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Can I use ecobee without C wire?
Please download the ecobee app (available for Apple and Android devices) and follow the step-by-step installation guide. If you're lacking a C wire and have at least four wires at your thermostat to work with (refer to this article if you only have two wires), you'll want to install the Power Extender Kit (PEK).
Does ecobee use C wire?
The most common need for additional wiring when installing an ecobee comes from the lack of a C wire. Depending on your system, the Power Extender Kit (PEK) included in the box with every ecobee may be able to provide a C wire connection.
Can thermostat work without C wire?
While your thermostat may not technically need a C-wire to operate, it gets the power for its screen and Wi-Fi capabilities through “phantom power” or “power stealing.” Basically, this means your thermostat gets a kick of extra power whenever your HVAC system is running.
Why does ecobee use a common C wire?
Also known as the common wire, the C wire enables the continuous flow of 24VAC power that ecobee thermostats need to operate.
Do all smart thermostats need C wire?
The good news is, some of the best smart thermostats do not require the power from the C wire to work. In fact, some of the best smart thermostats like the Google Nest Thermostat have no requirement for the C wire as they contain rechargeable batteries or other technology that removes the need for one.
Is C wire necessary?
Known as the common wire, (C-Wire) provides Wi-Fi thermostats continuous power from heating (e.g. furnaces) and cooling systems (e.g. Air Conditioning systems). C-Wires are required on all Resideo Wi-Fi thermostats.
Where does the blue wire go on a thermostat if there is no C?
C wires or varying colors apply to every thermostat, but blue C wires belong to thermostats attached to a heat pump. Blue wires are for heat pumps. This wire connects to terminal B on your thermostat.
What does it mean when a thermostat requires C wire?
WHAT IS A C-WIRE? A C-wire, or a common wire, runs from your low voltage heating system (24v) and carries continuous power to your thermostat. In today's electric market, most newer heating and cooling systems have C-wires, which guarantees compatibility for the installation of all smart thermostats.
What happens if you install Nest without C wire?
In a system with a C-wire, the Nest charges itself from the C-wire's current and all is fine. In a system without a C-wire, though, Nest recharges its battery when the heating or cooling runs. It diverts a little bit of the power to itself and charges its own battery.
Is the RC wire the same as C?
The C and Rc wires are not the same. To install this thermostat you should follow the exact same wiring of the previous thermostat.
Is C wire same as neutral?
The C wire is more like a neutral wire (in electrical terms) and it completes the electrical circuit between the furnace (or any heating system) and the thermostat, thus ensuring a flawless power supply to thermostat even when the furnace is OFF.
Is the C wire the same as ground?
No way! A "return" is not the same thing as a "ground". In certain situations it is, but not here. The C wire (together with "the other half of the circuit") forms a circuit through the secondary of the 24V transformer.
How do I know if I have a C wire?
0:354:38How to Tell if Your Thermostat Has a C Wire - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo it's fairly simple to tell if you have a/c wire or not firstly the purpose of a/c wire isMoreSo it's fairly simple to tell if you have a/c wire or not firstly the purpose of a/c wire is basically for the newer thermostats. As either has a backlit display or has Wi-Fi functionality.
Is the RC wire the same as C?
The C and Rc wires are not the same. To install this thermostat you should follow the exact same wiring of the previous thermostat.
Is B wire same as C wire?
A wire labeled O, B, or O/B is used to control whether a heat pump is in heating or cooling mode. However, on some thermostats, a wire labeled B is the common wire C. In most cases, the common wire is labeled C.
Is C wire same as neutral?
The C wire is more like a neutral wire (in electrical terms) and it completes the electrical circuit between the furnace (or any heating system) and the thermostat, thus ensuring a flawless power supply to thermostat even when the furnace is OFF.
Does the Ecobee have a voice control?
The ecobee SmartThermostat with voice control uses the same PEK as the ecobee4 and the ecobee3 lite. The ecobee SmartThermostat with voice control also has the same wire terminal placement as the ecobee4.
Is the Ecobee4 the same as the Ecobee3?
The ecobee4 uses the same PEK as the ecobee3 lite. While the PEK installation process for the ecobee3 lite and ecobee4 is virtually identical, some of the terminals on the ecobee itself have been moved around. To avoid confusion, please follow the instructions below when installing your ecobee4.
How long is Ecobee warranty?
ecobee warrants that for a period of three (3) years from the date of purchase by the consumer (“Customer”), the ecobee4 (the “Product”) shall be free of defects in materials and workmanship under normal use and service. During the warranty period, ecobee shall, at its option, repair or replace any defective Products, at no charge. Any replacement and/or repaired device are warranted for the remainder of the original warranty or ninety (90) days, whichever is longer. A proof-of-purchase will be required from the Customer in order for ecobee to provide a replacement and/or repaired device. This Warranty is valid only for Product installed in the country in which it is purchased.
What is trim plate on Ecobee?
Decide if you want to use the trim plate with your ecobee. The trim plate is useful if you want to hide marks or holes left on the wall by your old thermostat.
How to know if your AC is off?
Confirm your system is off by turning on your heat (during winter) or your AC (during summer). Wait a few minutes—you should not feel air coming from your vents.
Do you need a power extender for an Ecobee?
If you have a C wire, it will power your ecobee. You won’t need the Power Extender Kit included in the box.
How to troubleshoot Ecobee?
After emptying and cleaning the drain pan and pipe, you can troubleshoot your Ecobee if you’re still noticing issues. Check that all wiring is secure. And then, reconfigure the equipment and adjust threshold settings as needed.
Why won't my Ecobee turn on?
The most common reason an Ecobee won’t turn on your air conditioner is due to excessive water build-up in the drain pan. If it’s not the HVAC system, there could be a wiring problem with your Ecobee either at the thermostat or the HVAC control board. You may also need to reconfigure your Ecobee equipment or change the threshold settings.
Why won't my Ecobee thermostat turn on?
It’s frustrating when your Ecobee thermostat doesn’t turn on the AC. That’s pretty much its main job! Thankfully, though, this issue is usually caused by a full drain pan, which is very preventable.
What to do if your Ecobee is not turning on?
If your Ecobee is still having trouble turning on your AC, you should contact Ecobee support for additional assistance.
What is an Ecobee?
An Ecobee calibrates to get an accurate temperature reading of your house. While it’s calibrating, you are unable to use the HVAC system. Once calibration is completed, the HVAC system should activate again.
Can you check if an Ecobee thermostat is bad?
After ensuring the HVAC system is not the issue, you can check for problems with the Ecobee thermostat itself.