Fan Coil Thermostat Wiring

This wire connects to your heat pump if applicable.

Fan coil thermostat wiring.

Fan coil thermostats hw os no. 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. A fan coil unit consists of a heating and or cooling coil and is used to control the temperature in the space where it is installed. The green wire connects to the fan.

The 1a11 2 thermostat controls line voltage valves and or blower motors on fan coil units in manual changeover heating cooling systems. This additional terminal is labeled g in the thermostat. This wire may be red without an h attached in some cases. The blue wire on the thermostat is the common or c wire.

Control every setting and take advantage of innovative features sensors. The rh wire connects to the heating system. 120 240 vac the tb6575a tb6575b and tb8575a are a family of digital fan coil thermostats for residential and commercial applications. Honeywell tb6575a1000 3 speed fan coil thermostat.

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. Of fan speeds adjustable min max setpoint activity sensing freeze protection option f c 24 vac. Available on all 4 pipe vertical fan coils. They are great for use in hotels condos and school classrooms.

2 or 4 pipe manual auto changeover heat cool auto 3 speed fan. 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. I have further analyzed the wiring between the fan coil units and thermostats and it definitely looks like temporary stuff. The unilux vfc thermostat is the best choice for 4 pipe vertical fan coil units.

Page 8 tb6575 tb8575 suitepro digital fan coil thermostats 24 vac wiring diagrams tb8575 for the tb8575a1000 model a 24 vac class 2 nema l hot rated transformer must be used. 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. The rc wire connects to the cooling system. These outstanding performance thermostats integrate high quality design and ease of use to provide a better quality of life through climate control technology.