Two Stage Air Conditioner Thermostats

A two stage ac offers two levels.

Two stage air conditioner thermostats.

You should be able to check the manual that comes with the inside unit and select a thermostat using that. Works with direct line voltage. From my experience this is typically set up during the initial installation. Without a lower speed setting the air conditioner has to shut off completely once thermostat settings are reached which means temperatures can rise up several degrees above what is comfortable before the system turns on again.

When the thermostat first turns the unit on only the first stage heating or cooling components run unless the second stage components are needed to maintain a desired temperature. There are ways you can check what both the type of system you have and how many stages it is but this usually involves taking a look inside your current thermostat. A two stage unit runs at full capacity when you need it to and at a lower level when you don t. This one explains the 2 stage thermostat and how it is wired.

If the settings in the thermostat are not correct then the system will not stage properly. Without additional information the best solution is to purchase a thermostat designed for your hvac system likely a two stage on the heating side or in some districts your utility will provide you a thermostat for free. Two stage thermostats help with the efficient regulation of two stage heating and cooling systems which offer high output for inclement weather and low for more temperate weather. Two stage units don t run as continuously as a variable speed ac but they do cycle on and off less frequently than single stage systems.

For use with a fireplace floor or wall furnace. But the two stage air conditioner can meet your cooling needs about 80 of the time with its low setting meaning it will run more often without as many starts and stops. A two stage or variable speed system may only be operating at a single speed because the thermostat or control system doesn t allow for two stage wiring. A dual fuel system which is comprised of a gas furnace and a heat pump should be connected to a thermostat or control system that can accommodate the specific heating set points.

Two stage thermostats run two stage air handling systems which heat and cool in two phases. Stage two or multi stage means your system is capable of heating and cooling on both low and high speeds. The dual stage compressor solves both of these problems. The control for staging is in the thermostat and is temperature based.

A single stage air conditioner turns on and off more frequently because it can only cool at one speed then turn off once it reaches your thermostat setting. This video is part of the heating and cooling series of training videos made to accompany my we. Staging control two stage furnace air conditioner thermostat control problem.