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Control your heating and air-conditioning
Download user's manual for CY1101 1st Generation or CY1201 2nd GenerationFrequently Asked Questions:
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Is CyberStat compatible with my HVAC system?
Most likely - yes. CyberStat is designed to work with most common HVAC systems in the US. CyberStat does not work with line-voltage heating systems.
Is it difficult to install CyberStat?
We don't think so. CyberStat is specifically designed for a do-it-yourself project. However, if you have never done a do-it-yourself project before, you may want to get some help. To get a better sense of difficulty, download and read the user's manual. All the required hardware are in the box. All you need are a small and a medium size screwdrivers.
Is my thermostat wiring adequate?
CyberStat needs a common or 'C' wire to draw power from the HVAC system. Most thermostat wirings have a common wire. Therefore, most people need not worry about this. If you want to be sure, detach your thermostat from its mounting plate and see if there is a black or brown wire or a wire connected to 'C' terminal - this is your 'C' wire. Sometimes, if 'C' wire is folded back and tucked inside the wall. Be sure to examine all the wires coming out of thermostat cable. If you did not see a typical common (black or brown) wire, but you see some other unused wire you should be able to use it as a common wire. See "how to connect a common wire" for more on this.
How to connect a common wire?
If your existing thermostat did not use common wire, it may have been left unconnected on both ends. Common wire must be connected properly to power up CyberStat. First identify the common wire on the thermostat side - it is a black or brown wire or a wire connected to 'C' terminal. If you do not see a standard common wire you can use any other unused wire as common wire.
Connect the common wire to 'C' terminal of CyberStat. On the other end of the thermostat cable, connect the same wire to the 'C' terminal of indoor Air-Handler unit. Indoor air-handler unit is usually located in a closet, basement or attic. Be sure to turn off the main power to the air-handler unit before you open panel covers.
My wire colors and terminal names don't match. What should I do?
Follow the terminal names.
CyberStat does not power up. What should I do?
First, make sure the wires on 'R' and 'C' terminals of CyberStat are connected correctly. Second, make sure that the wire you connected to the 'C' terminal of CyberStat is also connected to the 'C' terminal of air-handler unit. See "how to connect a common wire" for more on this.
During Wi-Fi setup, my network SSID does not show up. What should I do?
If you are using a 802.11n router, make sure that 802.11b mode is also enabled. Typically you do this by selecting Dual/Mixed/Auto mode in the advanced settings of your router configuration. Do not select 802.11n-only mode. Selecting 802.11n-only mode blocks low data rate devices such as CyberStat. If the SSID still does not show up, select hidden network then type the SSID manualy.
CyberStat does not connect to my Wi-Fi network. What should I do?
A few things to consider:
Make sure that 802.11b mode is enabled in your router configuration.
Make sure there are no leading or trailing spaces in the SSID.
Turn off other wireless devices during the setup.
Detach CyberStat from its wall plate, wait a few seconds, mount it back then try setting up again.
What happnes if Wi-Fi connection is lost?
Your HVAC will continue to work. CyberStat will try to re-establish connection. In absence of Wi-Fi connection, CyberStat works like an ordinary thermostat. All the features except schedule customization are available on the device
How many users can control CyberStat?
You can add as many users as you want. Each user can have his/her own login ID and password. Alternatively, you can share your login ID and password with other users. We suggest that you pick a unique and strong password for CyberStat.
I had set my temperature/mode to something, why did it change to something else after sometime?
If a program is active on CyberStat, your override will expire at the next programmed point - which could be next minute or next day.
To make your override permanent, put CyberStat in Manual mode. From the webapp, Active Program → Manual. From the device, press and hold mode button → P0.