20 Most Recent Honeywell RTH3100C - Digital Heat Pump Thermostat Questions & Answers

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How do you relpace an A.C. thermostat?

E Back up heat/ white wire AUX Jumper to E Y yellow wire / Cooling - compressor G Indoor fan Green wire O Reversing valve energised in cooling most units Orange wire L unknown. consult your manual Leave open R Main power Red wire B Reversing valve energised in Heat Rheem units only. C Common second leg of power Blue wire.
9/2/2014 12:02:30 PM • Honeywell... • Answered on Sep 02, 2014
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Honeywell troubleshooting

Compressor may not be coming on. Bad capacitor? Question is a bit vague.
8/23/2014 4:14:25 PM • Honeywell... • Answered on Aug 23, 2014
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RTH3100C thermostat for an older Lennox heat pump

well the wire on x will go to e thr r is the red wire goes to r the wire on f willgo to g the y will go to y now the rest you'll have to verfy at air handler o will go to reversing valve common wire will go to c the electric heat will go to aux
2/6/2014 5:05:22 AM • Honeywell... • Answered on Feb 06, 2014
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Changing From Trane to Honeywell

Color ---> New stat terminal Blue--------C Green------G Yellow-----Y Orange----O Red---------R White------E and Aux. Tan---------unused, tape and secure it If there is Rh and Rc or R and Rh, these terminals should be jumpered together. I used to install Weathertrons eons ago. Whatever you do DO NOT connect the blue wire to the B terminal, you will short out your low voltage transformer immediately when you switch to heat
2/4/2014 3:38:33 AM • Honeywell... • Answered on Feb 04, 2014
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Wiring a thermostat

Are you changing out thermostat? If so you must turn off power to your furnace or air handler. You should mark or write down each color and what terminal it was removed from. example= red from term r=green from term.=g yellow from y... Be careful, some thermostats are wired different according to type of system you have. Heat pumps are different than straight cools and the thermostats sometimes have setting or little switches. Honeywells have installer set up guides in package. Read it carefully
9/16/2012 7:40:32 PM • Honeywell... • Answered on Sep 16, 2012
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Wiring

Be the first to answer 6/10/2012 2:01:25 AM • Honeywell... • Posted on Jun 10, 2012Be the first to answer
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Can a Honeywell CT87N switch from Heat to Cool on its own? Twice now I noticed it was cooler in my apartment and I went to thermostat and it had been switched from Heat to Cool on its own...

That's very unlikely. I'd sooner believe the cat has been playing with it or it gets changed when someone wearing a backpack brushes past it (sometimes the straps or zipper pulls snag the oddest things). You can get a thermostat guard to prevent this if your landlord permits it.
2/5/2024 5:42:36 PM • Honeywell... • Answered on Feb 05, 2024
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What is the Honeywell T6575D1009 replaced with?

Honeywell T6575D1009 thermostat
2/5/2024 5:13:57 AM • Honeywell... • Answered on Feb 05, 2024
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I need to change Trane Weathertron Baystat 239 Thermostat over to Honeywell RTH6360D 5-2 Day Programmable Thermostat?

Question edited for clarity. Installation manual, but it has some very specific requirements. You may not have the correct one. The RTH6360 thermostat does not support L/A, S, or U terminals. If there are wires in terminals that are not listed, you will need additional wiring support. Visit yourhome.honeywell.com/support to find out if the thermostat will work for you. I don't understand that, and if you don't, you need a heating or electrical engineer.

RTH6360 Series - Quick Installation Guide

Honeywell Store https://www.honeywellstore.com > images > pdf PDF The RTH6360 thermostat does not support L/A, S, or U terminals. If there are wires in terminals that are not listed, you will need additional wiring support. 40 pages People trying the same changeover https://www.google.com/search?q=Trane+Weathertron+Baystat+239+Thermostat ..
2/2/2024 4:27:30 AM • Honeywell... • Answered on Feb 02, 2024
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Replacing a 2-pole baseboard heating thermostat

Here at home where I reside we have an old school thermostat that has the mercury bulb that acts like a sensor, and in other cases it could just be as easy as replacing the batteries in the unit itself, usually a lid that hides them, sometimes it works
1/29/2024 4:24:58 AM • Honeywell... • Answered on Jan 29, 2024
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My Honeywell oil-filled heater will not stop heating at the chosen temperature, but rather goes all the way up to 80 every time.

Probably a faulty thermostat. Time for a qualified engineer to take a look or to replace it.
1/19/2024 8:40:40 AM • Honeywell... • Answered on Jan 19, 2024
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Hello, I have old Honeywell LR1620 thermostat. gas furnace and electric a/c. What options for a programable or non-programable Honeywell thermostat?

Here are some options: Honeywell Home Non-Programmable Thermostats: These thermostats are designed for simplicity and comfort control. They come in a range of models, from the classic circular dial to easy-to-use soft-touch buttons and backlit displays. You can easily set your preferred temperature with the touch of your hand. The Honeywell Home website has a range of non-programmable thermostats to choose from . Honeywell Home Programmable Thermostats: These thermostats allow you to set different temperatures for different times of the day. This can help you save energy and money on your heating and cooling bills. The Honeywell Home website has a range of programmable thermostats to choose from. Honeywell Home Digital Non-Programmable Thermostat RTH5160D1003/E: This thermostat is simple and intuitive to use. It has a backlit screen and basic button functions that make it easy to control the temperature. Once you set your desired temperature, the thermostat stores it in its memory, even during a power outage. Non-Programmable Thermostats ' Honeywell Home RTH5160D1003/E Non-Programmable Thermostat ' Honeywell Home Might as well look at the programmable ones on their site. Check their customer service if you have an additional question. The above mentioned should work with your setup.
1/15/2024 10:46:15 PM • Honeywell... • Answered on Jan 15, 2024
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Where is battery on a Honeywell LR95329 Thermostat Base please?

They all hide in the thermostat base. Load on the contacts is 24 vac standard, 30 volts max. the battery however is a standard AA or AAA Duracell battery, it is not 30 volts.... Those are available almost everywhere, You can pry the front of the thermostat from its wall mount sub base and see the batteries inside... just replace them. Apr 18, 2017

Where can I pick up a battery for a class 2 LR95329

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12/5/2023 4:22:10 AM • Honeywell... • Answered on Dec 05, 2023
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What setting should it b on Honeywell manual

What is 'b'?
10/29/2023 7:40:05 AM • Honeywell... • Answered on Oct 29, 2023
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Honeywell ht900 wire diagram

Use this video. It may help you for wiring. Honeywell HT-900 Fan - Disassembly And Cleanout - YouTube
10/20/2023 12:20:10 PM • Honeywell... • Answered on Oct 20, 2023
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Can a Honeywell HZ311 have a shorted W output? My HVAC heating turns on and will not turn off.

limited info generic answer it can but it also could have a broken wire or problem with a control circuit --stuck relay - wiring problem with the hvac unit
10/13/2023 11:40:20 AM • Honeywell... • Answered on Oct 13, 2023
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Need help replacing a thermostat

If you have wifi try the Hive Thermostat. Control your heating off your iPhone or with a touch of the button on the remote controller. Otherwise there are many hard wired systems available. Have a look here; https://www.hivehome.com/
8/20/2023 7:07:10 AM • Honeywell... • Answered on Aug 20, 2023
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