Variable Speed Furnace Thermostat

According to the thermostat manual amplitude of this signal is about 10 vdc frequency is 1 hz and the pulse width is variable 350 to 950 milliseconds in steps of 50 msec.

Variable speed furnace thermostat.

Whether you want to control your home s heating and cooling with your phone or your voice the best connected thermostats offer flexibility and can help save. These digital thermostats adjust the temperature automatically throughout the day. 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. The trane comfortlink 1050 or 850 thermostat that comes with your new variable speed furnace has the ability to read temperature and humidity and turn the system on when relative humidity not just temperature spikes beyond your comfort threshold.

The google nest thermostat e is only compatible with single speed system fans. The modulating thermostat outputs a pulse width modulated signal on its v terminal that controls the gas valve on the furnace over a 40 100 power range. 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. Advanced models can switch back and forth between heating and air conditioning during seasonal transitions.

Better airflow control has several benefits. Variable speed fans high voltage forced air systems with fans and proprietary systems with fans aren t compatible with either the nest learning thermostat or the nest thermostat e.