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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Does my home need whole-house humidification?
A whole-house humidifier might be right for you if your home has one or more of the following: Hardwood flooring Wood furnishings Paintings or artwork Musical instruments Uncomfortable temperatures in...
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Why a Whole-House Air Cleaner?
While portable air cleaners can provide a certain level of effectiveness in individual rooms, Honeywell TrueCLEAN is installed in your central heating and cooling system. It cleans the air going...
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What is Honeywell TrueCLEAN?
As air is moving through your heating and cooling system, Honeywell TrueCLEAN deactivates 99% of captured particles like airborne dust, pollen, smoke, mold spores and other bacteria ? making it...
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What do I do if my thermostat is showing a registration error message?
If your thermostat is showing a registration error message, first determine what message you're receiving. What message are you receiving? FAILED REGISTRATION – If your thermostat is showing a "failed...
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There's no sound immediately after I disconnect my doorbell from the computer. Is there a problem?
When the USB cable is unplugged, the mp3 player resets and the index is updated. So there will be a short delay before the doorbell sounds are available. Wait a...
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There is an alert that says WiFi Signal Lost. What does that mean?
This means that the WiFi signal to the thermostat has been lost. Wait for the thermostat to reconnect or select a new network within the Lyric app configuration menu. If...
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The switch/timer has a blank display
If this is a new installation check the wiring and make sure the load is above the minimum required by the timer,If it was working before check if the bulbs...
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Why didn't the battery in my doorbell last as long as expected?
Projected battery life is based on typical usage using quality alkaline batteries. Variables such as heavy usage and climate conditions can affect battery life. For the longest battery life, use...
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Tell me about the difference between the T9/T10 Smart Room Sensors and a zoned HVAC system
The thermostat uses up to 20 wireless sensors to read temperatures in multiple rooms of your home. Based on your preferences, the thermostat can read from, and average, these multiple...
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Tell me about the difference between Smart Room Sensors and a zoned HVAC system
The thermostat uses up to 20 wireless sensors to read temperatures in multiple rooms of your home. Based on your preferences, the thermostat can read from, and average, these multiple...
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T9/T10 Thermostat Error Message: When pairing a Smart Room Sensor, the green light is steady and/or flashes red after pressing ?connect? button on sensor (rather than flash green rapidly while pairing)
Reset the sensor by pressing and holding the Connect button on the sensor until the orange light appears (after about 15 seconds). Then try adding the sensor to the thermostat...
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T9/T10 Thermostat Error Messages: ?Indoor Sensor Connection Error? and ?Error Adding Device ? The device could not be added, please try again?
First, reset the sensor by pressing and holding the Connect button on the sensor for about 15 seconds, then, with the sensor within 2 feet of the thermostat, try adding...
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T9/T10 Thermostat Error Message: ?Error ? WiFi Connection Failed?
The T9/T10 thermostat works best with the following network configuration(s): DHCP enabled, no hidden SSIDs or network names, and a 2.4GHz or 5GHz network. If you have a dual band...
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