|Part Number||YTH8320ZW1007/U Z-Wave|
|Item Weight||1 pounds|
|Product Dimensions||4.3 x 3.1 x 3.9 inches|
|Item model number||YTH8320ZW1007/U|
|Discontinued by manufacturer||Yes|
|Item Package Quantity||1|
|Certification||Energy Saving Thermostat|
|Included Components||Honeywell Yth8320Zw1007/U Z-Wave Enabled Programmable Thermostat, Th8320Zw1000 Thermostat, Thp9045A1023 Wiresaver Module.|
|Warranty Description||1 Year Limited Warranty|
Honeywell YTH8320ZW1007/U Z-Wave Enabled Programmable Thermostat
- Enter your model number to make sure this fits.
- Please refer Page 18 and 19 of User manual for troubleshooting steps
- Z-Wave delivered messages allows the thermostat to be added to or removed from a Z-Wave controller.Wire saver allows for use without a common wire.
- Intuitive adjustment for precise comfort control, easy to use touch screen display and extra large backlit display with natural language
- Menu Driven programming guides the user through the programming process only showing necessary information and choices on each screen
- Thermostat operating message feature sends a message containing the status of the HVAC equipment
- The YTH8320ZW1007 includes the TH8320ZW1000 thermostat plus the THP9045A1023 wiresaver module.
- Please refer Page 18 and 19 of User manual for troubleshooting steps
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Honeywell Z-Wave Enabled Programmable Thermostat can be integrated with other home automation devices. Universal scheduling - Can be configured to meet virtually ANY scheduling requirement: Selectable 7-Day Programmable; Four daily periods; Cancel unneeded periods; Selectable non-programmable; Universal application, Heating and cooling energy savings set points allows the homeowner to put the thermostat into a energy savings mode from the other Z-Wave devices; Large, clear backlit display with a viewing area of 10-Square Inch; Ability to select multiple days (patented) - Allows the consumer to easily customize the thermostat for his or her own unique schedule; Menu driven programming - Guides the user through the programming process only showing necessary information and choices on each screen; Programmable fan; Multiple hold options - Fixed temporary hold, adjustable temporary hold and permanent hold; Changeover - Can configure for auto or manual system changeover; Smart Response Technology; Real Time clock - Keeps time during a power failure and will automatically update the time for daylight savings. The Tech Support Line is on the package and in the installation manual.
1.This product is a Z-Wave compatible thermostat and is a slave thermostat that works in conjunction with a Z-Wave hub supplied by companies such as Mi Casa Verde, etc.
2.This item requires a common wire (5th wire) to power the unit. Without the common wire this unit will not power up. Instructions as well as a wire saver module are provided with the unit.
3.The unit will operate based on the commands of the ZWAve system, so if it is not working in conjunction with a Z-Wave hub, it will not operate correctly.
4.This unit is compatible with a large majority of conventional and heat pump systems.
5. The wiresaver is used when there is no common wire. A common wire is required to power the thermostat.
6. This thermostat only connects to a z-wave communicating system (not Wi-Fi). Z-Wave delivered messages allows the thermostat to be added to or removed from a Z-Wave controller. The THP9045A1023 wiresaver module must be used when there is no “C” or common wire. A common wire is required to power the thermostat.
Z-Wave Touch Screen Programmable Thermostat
Honeywell's VisionPRO Z-Wave offers you top-of-the-line features like touchscreen interaction, a real-time clock, and a large, easy-to-read backlit display.
- One-touch temp control overrides program schedule at any time.
- Precise comfort control keeps temperature within 1 degree F of the level you set.
- Change/check reminders let you know when to service or replace filters and other
- critical components.
- Large touchscreen display with backlight is easy to read — even in the dark.
- Z-Wave wireless control lets you connect the thermostat to a Z-Wave network.
- Hazmat Information: UN 3091 Lithium metal batteries packed in/with equipment
- Electrical Ratings: 18 to 30 Vac
- Color: Premier white
- Programmability: Universal Programming from 7 Day to Non-Programmable
- Terminal Designations: R, RC, C, W-O/B, W2-E/Aux, Y, Y2, G, L, K, S1, S2
- Changeover: Auto or manual
Top customer reviews
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Understand that the unit snaps in and out of a baseplate; you mount the baseplate to the wall, make the connections (well documented and standard), and there are then tinned pins that plug into the main unit. They appear to be up to the job.
First problem: unit would not communicate with Z-wave gateway - it displays a constant "Communication Lost" message, and will not "include". After some web searches, the implication is that there's a connection to the comms board inside the unit that isn't good. After lots of attempts and fooling with it, I pushed the unit *hard* into the baseplate where it made lots of creaking and popping noises that finally stopped. After this, the "Communication Lost" banner went away, and the unit could be included and recognized by my gateway. It would have been useful if the message was documented, but it is not.
Second problem: Despite that the clock should still run after a power fail, it does not. The battery that came with it tested fine, and another tested fine as well, but the date/time will require manual intervention after a power fail (all the other settings appear to stay intact; I'm not sure if the battery maintains these, or if they are written to flash memory). The bad news is that it will prompt you for date/time corrections with every hiccup. The consolation is that the unit does appear to still be operating in the background with whatever the default setpoint is, and it does respond to z-wave messages, so you can see the setpoint and actual temperature remotely. Now, I've read that others claimed that the unit just "stopped" after a power failure; this was not my experience, but my level of trust here has become marginalized.
Third problem: For a unit at this price point, I would expect it to be able to report temperature with 1-degree resolution, but it does not. My system is heat-only, and running at a setpoint of 68 at the moment. Reported temperatures range from 66-68-70-71-72; I have never seen a 67 or 69 displayed.
Fourth problem: Hysteresis is poor. I've heard my non-condensing oil boiler switched on in the middle of the night, then only run for about 45 seconds (not even enough to heat it up), and then switch back off. This is a waste of fuel, and excess wear on the equipment (and a cheap non-remote-controllable thermostat didn't do this). Fortunately, you can program this unit for a number of cycles-per-hour, which will mitigate this to an extent.
The bottom line is that I've managed to make it work acceptably for this application for now, but I can't be here every day to reset date/time should the power go out in a winter storm, and I'm seriously concerned that it may stop running at some point and allow this hydronic zone to freeze. So, it's on probation, and although I need more units, this one is certainly not meeting my expectations.
Note to Honeywell's competitors: Yes, there are a lot of Wi-Fi units out there, but I really do want to remote control and monitor all my zones using z-wave, since it's simple, and since it works through a GSM-based access point via my security provider (e.g. it is not directly exposed to the open internet). If you can offer a z-wave compatible unit that works correctly after a power fail, functions well with hydronic systems, and optionally connects to a slab temperature sensor, I will buy it (in fact, I need 5 of them, one of them to replace this one).
Note to Honeywell: Yes, I know you only want "licensed professionals" to install your stuff. My local pros do a great job with the pipes and pumps, but they also struggle with inadequate controls documentation that I've also had to help them "figure out". As a systems engineer, I design stuff like this for a living, and will attest that this product is a poor design with poor documentation. "Pushing on it" until it stops snapping and popping and then begins to communicate is unacceptable. Given your brand value as a "controls company", you could have done far better.
Most recent customer reviews
After spending useless time on the phone with your tech support, and trying to defer the issue to...Read more
I tried installing it a few separate times hoping I was missing something stupid but no change.