What is a changeover valve on a heat pump?
The changeover valve is a device which reverses the flow of refrigerant in the heat pump. This will allow the freon to reverse and heat the home or cool the...
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What is a changeover valve on a heat pump?
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What type of battery should I use with my Lyric thermostat?
Lyric uses one AAA Lithium battery (non-rechargable). For your convenience, a battery is included in your box.
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What are the U wire terminals for?
The Lyric is able to manage a wide range of climate control systems to maximize your comfort, including your heating and cooling systems as well as other indoor air quality...
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I can't tell if I have thick black wires or not. Can I use the Lyric thermostat?
If you have thick wires connected with wire nuts running to your existing thermostat, you most likely have a high voltage system. Unfortunately, the Lyric thermostat will not work with...
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Is the Lyric UL (Underwriters Laboratories) approved?
The Lyric is a low voltage thermostat. Low voltage thermostats do not require UL (Underwriters Laboratories) approval, as the UL approval rating only applies to line voltage products.
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I don?t see an option to select the wiring terminals on my old thermostat from the menu, does that mean the Lyric thermostat won't work with my system?
Not necessarily. Many thermostats use different lettering to mark wiring terminals. The Lyric app provides a list of the most common markings. Please be sure you've scrolled down in the...
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Will my Lyric work with my dual fuel heating system?
Currently only the Lyric Round and the Lyric T6 Pro (TH6320WF2003) thermostats are compatible with most dual fuel heating systems. These are heating systems that combine a heat pump with...
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What kind of heating and cooling system do I have?
Here are some common ways to identify what kind of system you have: Conventional Forced Air systems often include gas or oil furnaces and central air conditioning. Air is typically...
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How can I tell how many heating stages I have when configuring my Lyric?
The Lyric thermostat is compatible with both single stage and two stage heating systems. When configuring your Lyric, you will need to check the wiring to your thermostat to tell...
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What is a dual fuel heating system?
A dual fuel heating system combines a heat pump with a gas furnace. Many houses are equipped with heat pumps, which transfers heat from one place to another. For example,...
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Will the Lyric thermostat work with my HVAC system?
The Lyric thermostat is designed to work on most low voltage heating and cooling systems, at 24 Volts. Gas and oil furnaces, heat pumps, and hot water systems are examples...
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Does the Lyric work with multi-stage heating systems?
Yes, the Lyric will work with most residential multi-stage heating systems. For conventional forced air systems such as oil and gas furnaces, the Lyric will work with any combination of:...
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Do I need to have WiFi in my home to control ventilation?
Yes, you will need to have WiFi to control your ventilation. This feature is managed through the Lyric app, which requires WiFi connectivity.
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Do I need to have WiFi in my home to control humidity?
Yes, you will need to have WiFi to control your humidity. This feature is managed through the Lyric app, which requires WiFi connectivity.
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