thermostat what does r stand for


The letter R in a thermostat wiring system is responsible for powering the entire HVAC system through the use of a transformer. 1 It may be accompanied by an Rh and an Rc wire, or just a lone Rh or Rc wire. 1

According to

See more results on Neeva

Summaries from the best pages on the web

Refer to the thermostat manufacturer's wiring diagram for precise connection information. G: The G terminal controls the fan relay and is responsible for turning the blower fan on and off…
Understanding the Terminal Letters on a Thermostat

The letter “ r ” is on most thermostats to indicate that the heating or cooling system is in operation. Contents show First of all R is a symbol that is on…
What Is R on Thermostat (Expert Guide!) - TechWield

An R wire can go into a Nest Learning Thermostat 's Rc or Rh connector. The Nest Thermostat E only has an R connector, which is typically where an R wire…
Learn about thermostat jumper wires - Google Nest Help

“RC” and “RH” are terminals on an HVAC thermostat , each with a specific function. They are used with HVAC systems with two separate transformers – one for cooling and one…
What Is RC and RH On A Thermostat?

R. Heating and cooling system power wire. If you only have one R wire (That includes R, Rc, and Rh), you’ll insert it into the Rc terminal on your ecobee.…
What do my thermostat's wire labels mean? - ecobee

It has little letters on it that differ from thermostat to thermostat but the most common designations are: R or RH and RC, G, Y, W, and C. For heat…
Thermostat Terminal Designations HVAC Wiring Quality 101

Rc wires connect to the RC terminals on your thermostat . The Rh Wire The Rh wire on your thermostat connects to your heating system as opposed to your cooling system.However,…
Thermostat Wire Color Codes You Need to Know | AireServ

– TH-TR ( THermostat -TRansformer) terminal is the 24VAC from the transformer. (Important to note that this terminal does nothing for the gas valve. Its only purpose in life is to connect…
TH, TR, and TH/TR Gas Valve Terminals - HVAC School