The rh wire connects to the heating system.
Fan coil thermostat wiring.
120 240 vac the tb6575a tb6575b and tb8575a are a family of digital fan coil thermostats for residential and commercial applications.
This wire may be red without an h attached in some cases.
2 or 4 pipe manual auto changeover heat cool auto 3 speed fan.
Honeywell tb6575a1000 3 speed fan coil thermostat.
They are great for use in hotels condos and school classrooms.
These outstanding performance thermostats integrate high quality design and ease of use to provide a better quality of life through climate control technology.
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 rc wire connects to the cooling system.
Available on all 4 pipe vertical fan coils.
The unilux vfc thermostat is the best choice for 4 pipe vertical fan coil units.
Control every setting and take advantage of innovative features sensors.
This wire connects to your heat pump if applicable.
This additional terminal is labeled g in the thermostat.
I have further analyzed the wiring between the fan coil units and thermostats and it definitely looks like temporary stuff.
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 green wire connects to the fan.
They provide line voltage and low voltage on off control.
Find out if the 4 pipe vertical fan coil is right for your development.
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.
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.
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 blue wire on the thermostat is the common or c wire.
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.
Fan coil thermostats hw os no.