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.

Fan coil thermostat wiring. Control every setting and take advantage of innovative features sensors. The unilux vfc thermostat is the best choice for 4 pipe vertical fan coil units. This wire connects to your heat pump if applicable. 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.

The rc wire connects to the cooling system. The rh wire connects to the heating system. Honeywell tb6575a1000 3 speed fan coil thermostat. 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.

Available on all 4 pipe vertical fan coils. Find out if the 4 pipe vertical fan coil is right for your development. 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. I have further analyzed the wiring between the fan coil units and thermostats and it definitely looks like temporary stuff.

This additional terminal is labeled g in the thermostat. 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. 2 or 4 pipe manual auto changeover heat cool auto 3 speed fan. They provide line voltage and low voltage on off control.

Of fan speeds adjustable min max setpoint activity sensing freeze protection option f c 24 vac. 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. The blue wire on the thermostat is the common or c wire. 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.

Fan coil thermostats hw os no. 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. They are great for use in hotels condos and school classrooms. 120 240 vac the tb6575a tb6575b and tb8575a are a family of digital fan coil thermostats for residential and commercial applications.