Looking for Answers about Filtrete 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App?

Customer questions and answers for
Filtrete 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App

The Filtrete 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight can be programmed remotely from any internet connection or iPhone. It offers a large display with 7-day programming for efficient climate control that fits your schedule. This thermostat is packed with convenience features and compatible with all residential furnace types.
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Customer questions and answers for Filtrete 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App

Question

how do I reconnect the 3m50 after changing Wifi provider ?

Asked by
Eddie
bedford NH
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
April 15, 2014
I cannot get the PIN for the module to reappear
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answer 1
Asked by
Filtrete
April 16, 2014
Thanks for reaching out. Please contact the Filtrete(TM) Thermostat technical support team at 888-607-5824 or filtrete@radiothermostat.com. They are the best team to help troubleshoot any technical issues. Thank you.
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Question

Does this panel powerd by battery or does it need AC power ?

Asked by
SKA
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
January 17, 2013
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6 answers
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answer 1
Asked by
Uncle Fred
August 24, 2013
It has 3 aaa batteries that will power the thermostat, they will not last long though.
It also powers from the "c" wire of your air handler or from an external 24 v " wall wort" power supply.
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answer 2
Asked by
Filtrete
February 11, 2013
The 3M50 will work on batteries if you do not use the WiFi option.  But if you want to use the WiFi option then you will need to have a C wire.  The C wire powers the thermostat and the WiFi and the batteries are for back up. Thanks!
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answer 3
Asked by
Unhappycustomer
21054
January 26, 2013
You can use only battery if you don't use the Wi-Fi feature. However, you need to monitor battery condition often because when the battery dies your HVAC system may malfunction. That is all documented in the manual.
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answer 4
Asked by
DETEX
Texas
January 24, 2013
Both
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answer 5
Asked by
mrdoitmyself
Minnesota, USA
January 20, 2013
Yes, It requires batteries and yes it requires 24Vac power in order for the WIFI to work.
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answer 6
Asked by
Foodieken
January 17, 2013
Hi SKA, this thermostat is powered by batteries. You still need to connect to AC. The batteries play an integral part in the operation of this thermostat.

If you go to the web page and scroll down to the more info section, you will find the installation/assembly. Click on this and you will see the wiring guides.
.
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Question

Do I need to know the router's admin password to set this up?

Asked by
Davio1
Orlando, FL
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
January 17, 2013
I would like to use this in a rental where the wifi router is not owned by me. I have access to the router to use it, i.e. I have the WPA passcode, but the router's admin side is controlled by someone else (they'd probably let me have access if I really had to have it, but I'd rather not have to request it). Do I need to set up any port forwarding in the router to use this thermostat, and if not, then how does the phone app get connectivity to the thermostat?
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answer 1
Asked by
Filtrete
February 11, 2013
If you have the WPA password you should be okay. You will also need to know the Router IP address if you are setting this up via a computer. Keep in mind it will not work on a public network.
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answer 2
Asked by
DjMitch
January 22, 2013
From my experience with set up, all you should need is the routers SSID and passcode. It sounds like you have the WPA. Having that info allows the unit to connect into the signal. Beyond that you should be fine. The router has its own network. You will see this pop up on your desktop as it scans for nearby networks. Once you choose to connect to the units network, it will ask you for the above settings such as the WPA. It then will repeat the signal witht the correct security info to allow the unit to react to the device app. This holds true even if the wifi signal is temporarily interupted.
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answer 3
Asked by
Steve
January 17, 2013
You need the same password your computer would use to connect to the router when you're going online. The thermostat will save that password and use it every 5 minutes to contact its own website. Your phone app does NOT actually connect to the thermostat!! There is no real-time interaction, and you don't get anything like a "dashboard" which emulates the thermostat. You store info on their website, the thermostat checks that info every 5 minutes. That is what I found experimentally, it's not in the manual.
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answer 4
Asked by
Icarus
California
January 17, 2013
I set mine up using my iPhone and it did all the work for me. You will just need the password to access wifi internet connection.
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Question

I bought the 3m50 thermostat and the auxillary heat comes on when the heat pump starts, how do I get it to work correctly?

Asked by
jaso
hudson florid
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
December 17, 2012
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answer 1
Asked by
DETEX
Texas
January 24, 2013
Make sure your diff setting on the program screen is set right. Factory is 2 degrees.
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answer 2
Asked by
cruser
OH
December 19, 2012
There could be several issues.
1) wiring - please let me know how the original thermostat was wired and how the 3M50 is wired.
2) The aux heat come on if the set temperature is outside of the differential - so for example if the differential is 2 degrees and the room temp is 65 and you set the temperature to 70 the auxiliary heat will come on 1 minute after the heat pump. But if it is trying to maintain the temperature and the heat pump can keep it within the 2 degree mark it should not use the auxiliary heat.
Please note the differential can be be adjusted 2-3-4 degrees.
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Question

can it be used with old gas steam furnace.

Asked by
norbert
Union NJ
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
January 1, 2013
Hi
Our rental house has a old steam gas furnace. It is little more modern one since furnace has to be plugged in and has its own transformer for control computer and fire sensors to work but there are two wires going to the thermostat. Will this thermostat work with this type of furnace.
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answer 1
Asked by
DETEX
Texas
January 24, 2013
In the instructions there is a diagram for a two wire heat.
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answer 2
Asked by
Filtrete
January 2, 2013
Thanks for your question, Norbert! The thermostat will work so long as the 2 wires are low voltage. So if the voltage on the 2 wires measures 30 volts or under it will work. Just put one wire on RH and the other on W. But you will also need to add an 18 volt transformer to run the WiFi radio. The wires from this transformer will go on Rh and C. Hope that's helpful!
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Question

How many temperature changes can you program with in a given day, and can each day be different?

Asked by
kadifranz
Iowa
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
November 19, 2012
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4 answers
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answer 1
Asked by
Steve
January 10, 2013
4 time periods per day, each day can be independent. (You can copy one day to the next, but that operation often failed when I tried it. Works sometimes.)
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answer 2
Asked by
mrdoitmyself
Minnesota, USA
January 2, 2013
4 Temp changes per day.
Morn
Day
Evening
Nite

Yes, your program can be different for each day of the week.
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answer 3
Asked by
owney99
Kildare, Co. Kildare, Ireland
November 26, 2012
There are four separate time zones, by seven days, I have mine setup as night, morning, day and evening, but its totally configurable and each day can be different. I have one setting for weekdays, and another for the weekends, but that's just my choice, every day can be tuned differently.
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answer 4
Asked by
Designing Woman
Atlanta, GA
November 20, 2012
Hello kadifranz and thank you for your question.

There is a great deal of programming opportunity with the Filtrete 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight (Model # 3M-50). The Operation Guide is located here: http://www.homedepot.com/catalog/pd....

* You can change the settings for HEAT or COOL for each day of the week; this allows for 7 day operation beginning with SUNDAY.

* The programmed days can be “copied” throughout the week for easier programming.

* There are 4 time slots for each day: MORN, DAY, EVE, and NITE that can be programmed. Your thermostat is preprogrammed with an EPA approved program, the AUTO-RUN program, for energy efficiency.

* Customized programs can be created as detailed on pages 8-9 of the Operation Guide.

*There are additional manual screen functions that operate as override commands, including HOLD and HOLIDAY (see pages 13-14 for more information).

Best wishes on your project.
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Question

Will this product work for electric baseboard heaters?

Asked by
Junebug44
McCall, ID
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
December 31, 2012
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3 answers
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answer 1
Asked by
Steve
January 10, 2013
No. Relay contacts for controlling the furnace are rated 1 amp.
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answer 2
Asked by
mrdoitmyself
Minnesota, USA
January 2, 2013
The short answer is yes. However, not by itself. You will need a low voltage (24vac) transformer and a relay setup to switch the high voltage to the baseboard heaters.
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answer 3
Asked by
Filtrete
January 2, 2013
Hi Junebug44, our thermostat needs to work with a low voltage system, something 30 volts or under. Most baseboard heaters are high voltage so they will not work without modification. If you choose to modify your system in order to use our product we would ask you contact us for additional support beforehand at 888-607-5824. Thanks!
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Question

Can this unit be used with a milivolt free standing heating stove.

Asked by
HiFie
Denver
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
January 3, 2013
I have a second home in the mountains and want to be able to turn the temp up and down remotely via the internet. The main heat comes from a free standing gas stove with a milivolt thermastat.
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answer 1
Asked by
Steve
January 10, 2013
Yes, if you have 24V power for the thermostat. It controls the furnace with relay contacts.
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answer 2
Asked by
Filtrete
January 9, 2013
Thanks for the question! Yes, it will work with a Milivolt stove but you will need a 18 volt transformer at about 500 mili-amps to be able to use the WiFi feature.

Just hook the 2 wires from the stove to RH and W and then hook the 2 wires from the transformer one on RH and the other on C. So you will have 2 wires on RH.

Thanks!
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Question

Will this thermostat work with a new "two-stage" heat pump, with AUX heating coils?

Asked by
Aryeh
Ontario
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
January 5, 2013
Hello. Please advise if this thermostat will work with a Lennox XP-16 heat pump, which the manufacturer describes as having a "Two-stage scroll compressor (which) operates at low stage most of the time for quieter, more efficient performance." The heat pump is paired with auxillary heating coils (which we avoid using whenever possible and for which the 4 degree differential setting will be very useful).

Also, please advise whether we can remotely determine whether the AUX coils are operating. Thank you.
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answer 1
Asked by
Filtrete
January 9, 2013
Hi Aryeh, we're sorry, but unfortunately the 3M50 does not support heat pumps with 2 stages of compression and auxiliary heat strips.
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answer 2
Asked by
K1N6B0B
Bethlehem, PA, USA
January 8, 2013
So, from my experience I can only help with the AUX heat information--

You are not able to tell when the AUX coils are on from the unit (sadly). You are able to set the temp differential for AUX however, so setpoint 78 and temp 71, diff 4deg -- you would know you are using AUX heat. There are 2 modes for this -- Normal: use AUX from 71 to 78 OR economical: use AUX from 71 to 74, then heatpump to 78 (assuming my numbers earlier). It will always say AUX HEAT on the unit regardless of AUX/NORMAL operation. I actually disabled AUX, figuring if something ever happens where I need it (super low temp, failure of heatpump, etc) I can just change the programming back to w/ AUX and use it - saves on energy.

There is a lot of information available via the units REST (http) interface, if you are a programmer google and dig into the forums - you may be able to determine AUX/NORMAL there.

Hope that helps!
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Question

are there Android apps for using this thermostat?

Asked by
rayban
Dingmans Ferry, PA
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
November 14, 2012
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answer 1
Asked by
mrdoitmyself
Minnesota, USA
January 2, 2013
Yes. Search Google Play for "Radio Thermostat".
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answer 2
Asked by
Filtrete
November 16, 2012
Sure! You can find the app in Google Play when you search for "Radio Thermostat." The app is named "Wi-Fi Enabled Radio Thermostat" and it's the official app for controlling 3M Filtrete, Radio Thermostat, AirWaves and Current Innovations Wi-Fi Thermostats.
User submitted photo
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answer 3
Asked by
NetworkCameraCritic
So Cal
November 14, 2012
Yes, I run the app on my Droid Razr, no problems.
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Question

What happens if I loose power at my house, whether I have the blue wire from the furnace or the external power (transformer) ?

Asked by
cedropeak
new mexico
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
November 17, 2012
I understand batteries aren't enough to power this thermostat - but we loose power often at our house, especially in the winter. I'm guessing I won't be able to access it remotely by wifi when that happens if only because my wireless router won't be running and providing the needed internet connection. But will the thermostat keep telling the furnace what to do based on the temperature ? If not, what will the furnace do ? If I loose power at my house when I am away, I can't have the furnace shut off.
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answer 1
Asked by
mrdoitmyself
Minnesota, USA
January 2, 2013
I'm confused by your question. Isn't it true, that if you have no power to your house, you will have no power to your furnace. Right? So then if you have the case you have described, you may want to invest in a backup generator.
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answer 2
Asked by
Filtrete
November 20, 2012
Hi and thank you for the question! You are correct, if your power goes out and your internet connection is lost, you won't be able to access the thermostat remotely. As others mentioned, though, if you have fully charged batteries the thermostat will continue to run for a limited time. It will maintain the last setting programmed and when the power does come on, it will resume the last setting.
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answer 3
Asked by
Alex
Montpelier, VT, USA
November 19, 2012
If you have the required 3 AA batteries installed and charged, the thermostat will resume schedule, however, your furnace will probably be without power, and you wouldn't get it to turn on anyway. When the thermostat loses the AC Adapter or 24V furnace "C" wire, the wifi module stops, presumably because it requires more power than 3 AA's can provide. When the power comes back on, the unit will reconnect to the WIFI network it is configured to run on, by default. I have had several power outages and the thermostat reconnects flawlessly without any prompt or user input in my experience.
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answer 4
Asked by
NetworkCameraCritic
So Cal
November 18, 2012
The thermostat has battery backup.
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Question

I have an old gas floor furnace, no fan, no power hookup and a very basic thermostat

Asked by
mharrigan
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
December 19, 2012
will this unit work in this application?
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answer 1
Asked by
Filtrete
December 27, 2012
Hi MHarrigan,
If you do want to try it, our thermostat will work if your hook up to the thermostat is low voltage 24V or under. In most cases this is a 2 wires system R and W. But for the WiFi to work you will need a common wire installed if you don't have one. If you can't run a common wire, you can use a 17 or 18 volt power adapter to supply power to the thermostat and WiFi module. The adapter is a plug in the wall type and has 2 leads one would go on C and the other on RH. Thanks!
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answer 2
Asked by
HDAnswerman
California
December 20, 2012
Hi MHarrigan,

This thermostat will work with your furnace; however it’s not needed for this application. The programmability is useful, and so is the Wi-Fi if you need it, but I would buy a basic thermostat for use with this furnace.

Mike, The Home Depot Answer Man
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Question

Hi I have the 3M50 and have it set for the 4 degree differential. The display shows, "AUX/HEAT PUMP" How do I know when only the heat pump is on?

Asked by
jaso
Hudson
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
December 23, 2012
This is my 4th thermostat on a new 2 stage heat 1 stage cool system. I don''t want to spend the extra money on aux heat. I just want it to work correct.
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answer 1
Asked by
Filtrete
December 27, 2012
Hi Jaso, when the system is running you can check which is running by lighting up the display. The unit will display Aux HeatPump and whichever is running will be blinking. When the heat pump is running, "Heat Pump" will be blinking. If they are both running, then both words will be blinking.

Since you have it set to a 4 degree differential, the Aux heat will not run unless the set temperature is 4 degrees higher then the room temperature. The Aux heat will turn off based on if you are in fast recovery or economy recovery. If you use fast recovery, the Aux heat will stay on only until the set temperature is reached. If you use economy recovery, the Aux heat will turn on if the set temperature is 4 degrees higher then the room temperature and will stay on until it is with in the 4 degree differential and then it will shut off.

Hope that helps!
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Question

Does the thermostat come with preset temperatures if I don't want to change it?

Asked by
jb
Davison, MI
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
November 4, 2012
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answer 1
Asked by
owney99
Kildare, Co. Kildare, Ireland
November 26, 2012
Yes, it comes with default settings that are reasonable and comfortable.
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answer 2
Asked by
Filtrete
November 5, 2012
Hi jb, certainly! Yes, it comes preset with a time and temperature program so you do not need to change it if you'd prefer. But when you attach it to WiFi there is a simple interview process to allow you to easily set up the program you wish. Thanks!
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Question

I have an old wall heater operated by a manual thermostat with only two black wires connecting it. Will this thermostat work on a two-wire system?

Asked by
Mich
Lake arrowhead
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
September 30, 2012
I also have a wireless router...will that work too?
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answer 1
Asked by
owney99
Kildare, Co. Kildare, Ireland
November 26, 2012
My system is a two wire and it works perfectly with it.
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answer 2
Asked by
squiggy81
Clarkston, WA, USA
October 8, 2012
The stat is not rated for line voltage. If it is 120+v, it will not work.
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Question

We have one furnace and one a/c unit but 2 thermostats. Do we HAVE to get 2 new ones or can we use one "old" and one new? By old I mean 8 years ol.

Asked by
RLJ
Raleigh, NC
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
November 4, 2012
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answer 1
Asked by
Alex
Montpelier, VT, USA
November 13, 2012
This thermostat can control both heating and cooling, I would think you can get rid of both of your old thermostats and only use this.
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answer 2
Asked by
Filtrete
November 5, 2012
Hi RLJ, thanks for your question! If you want to be able to control both via the web you would need to combine the two thermostats into one or get two 3M50's. If you only want to control one system via the web then you can replace one and leave the other one on the old thermostat. If you would like to combine the two thermostats into one, we'd need to know a bit more information to see if it's possible for your units. It would depend on how close together the thermostats are and how they're wired (wire color and terminal attachments). If you'd like help with that, we can help you best via our tech service line: 888-607-5824. Thanks, and good luck!
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Question

I have only 2 wires coming out of the wall (W&R). I have Wi-Fi. Will the Wi-Fi model work?

Asked by
maier
portland
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
October 29, 2012
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answer 1
Asked by
Filtrete
October 31, 2012
Hi, great question. First we have to make sure that your current system is low Voltage (24 volts and under).  If so than you have two options to get the WiFi to work.  You need to have a Common "C" wire.  The first option is to have a C wire run from your furnace low voltage common to the thermostat.  The 2nd options is to install a 2nd transformer.  You can use a plug in the wall transformer (Specifications 17-18 Volts at 300 - 500 mili apms).  You will put one lead on RH and the other lead on C.  This will power the thermostat and WiFi.

The furnace wires will go on RH and W.  So you will have two wires on RH. You can also call our technical line for phone assistance, that number is listed on the package 888-607-5824. Thanks!
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answer 2
Asked by
Icarus
California
October 30, 2012
You need the third wire, which may come from your HVAC, to power your Wi-Fi.
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Question

Do I need to purchase an additional USNAP module to access this with my iPhone?

Asked by
McD
Spokane
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
October 2, 2012
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answer 1
Asked by
Arntj
Minneapolis, MN, USA
October 28, 2012
No I have an IPhone and IPad connected to it with no additional modules.
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answer 2
Asked by
squiggy81
Clarkston, WA, USA
October 8, 2012
No. It comes with a module. Just needs to be configured after you get it installed.
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answer 3
Asked by
Filtrete
October 8, 2012
Hi, McD, Cruser has it exactly right. In the App Store search for 'Wi-Fi enabled radiothermostat.' This will bring you to the 'Rad Stat" App which you would then download and follow the instructions that accompany the app. After you have followed the instructions you should be set up to control your thermostat from anywhere! Thank you!
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answer 4
Asked by
cruser
October 4, 2012
No. The WiFi module that comes with the 3M50 is all you need. But you will also need to have a wireless network with an always on internet connection.

Once the thermostat is installed go to the app store on your iPhone and search for "WiFi enabled radiothermostat". Then down load the rad stat app.

Once down loaded open the app and follow the instructions.
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Question

Can you program the furnace fan to run at specific times in the day [without heat or ac]?

Asked by
Canuck
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
October 12, 2012
My unit currently only has fan "on" or "auto"when heat or ac runs. I would like tone ableto run fan throughout the day without heat or ac running.
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answer 1
Asked by
Quevar
October 17, 2012
You can, but it requires you to program it via your computer and have your computer send it commands when you want the fan to be on/auto. From the unit itself, you cannot have it automatically turn the fan on at regular intervals.
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answer 2
Asked by
Filtrete
October 16, 2012
Hi Canuck, thanks for your question! Unfortunately, no, you cannot program the fan to come on during specific times of the day without heating or cooling.
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Question

Have cell phone signal but no wifi, will this thermostat work for me?

Asked by
Lower Bill
about 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight + Free App on
September 25, 2012
I have a remote cabin that receives cell phone signal but has no internet/router and no wifi. I also have a Blackberry phone. Will this allow me to remotely control the thermostat? Thanks.
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answer 1
Asked by
squiggy81
Clarkston, WA, USA
October 8, 2012
No. You need a constant internet connection to control.
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answer 2
Asked by
Filtrete
September 28, 2012
Thank you for your question! The other responses are correct, you will need a WiFi router with 'always on' internet connection at the thermostat location. If your thermostat is at the remote cabin with only cell phone signal, you will not be able to control it. Thanks!
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answer 3
Asked by
Derek70
Mansfield, TX
September 26, 2012
This thermostat requires a Local Area Network (LAN) in order to be controlled remotely. It does not operate on cellular signals. However, you can control it using your mobile phone if the thermostat and your mobile phone both have internet access.
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answer 4
Asked by
Barrry4821
Columbus, OH, USA
September 26, 2012
I am fairly certain that you would need a home wireless network to connect this thermostat to the internet. It communicates frequently with the cloud server for Filtrete so a home wireless network is needed to take full advantage of the thermostat's features.
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