Fan Coil Thermostat Wiring

Find out if the 4 pipe vertical fan coil is right for your development.

Fan coil thermostat wiring.

The 1a11 2 thermostat controls line voltage valves and or blower motors on fan coil units in manual changeover heating cooling systems. 2 or 4 pipe manual auto changeover heat cool auto 3 speed fan. Available on all 4 pipe vertical fan coils. 120 240 vac the tb6575a tb6575b and tb8575a are a family of digital fan coil thermostats for residential and commercial applications.

The blue wire on the thermostat is the common or c wire. In the most basic system this functionality is provided by use of a fan center relay and the low voltage wiring to the thermostat now will require a minimum of three wires for heat only units and four wires for heat cool fan for control. Control every setting and take advantage of innovative features sensors. Fan coil thermostats hw os no.

Applications features power system switch fan options fan modes 2 pipe 4 pipe auto changeover auto changeover deadband adjust verasaspeed fan ramping auto fan reset digital display p i control remote setback no. This additional terminal is labeled g in the thermostat. The rh wire connects to the heating system. Honeywell tb6575a1000 3 speed fan coil thermostat.

They provide line voltage and low voltage on off control. The rc wire connects to the cooling system. Heat valve cool valve heat valve remote sensor hot 24 vac remote setback remote sensor remote setback remove pre wired wire from terminal 5 mid fan speed. The unilux vfc thermostat is the best choice for 4 pipe vertical fan coil units.

Of fan speeds adjustable min max setpoint activity sensing freeze protection option f c 24 vac. The green wire connects to the fan. This wire connects to your heat pump if applicable. This wire may be red without an h attached in some cases.

I am especially concerned about possible confusion between the fancoil s c terminal fancoil to water control valve and y terminal thermostat to fancoil for water control valve. It features a system switch for manual selection of heat off cool a three speed manual fan control switch an adjustable temperature dial with a 36 to 90 f range and an indicating thermometer all. I have further analyzed the wiring between the fan coil units and thermostats and it definitely looks like temporary stuff. These outstanding performance thermostats integrate high quality design and ease of use to provide a better quality of life through climate control technology.