hwaevery.blogg.se - Ac power transformer wire color code

Thermostat Wiring Colors Code | HVAC ControlĪlways follow the thermostat manufacturer’s instructions whenever changing the thermostat. Please check this article for a checklist of things to check before calling a heating and cooling repair service. Sometimes, the thermostat is not the problem.

S1 and S2 Wires - connects to S1/S2 terminals and is for outdoor temperature sensor.

X or Aux-Wire - connects to X terminal and is for auxiliary.

E-Wire - connects to E terminal and is for Emergency heat.

O or B-Wire - connects to O or B terminal and is for reversing valve operation.

C-Wire - connects to C terminal (common 24v power) with the C wire.

G-Wire - connects to G terminal and for fan operation with the green wire.W2-Wire - connects to W2 terminal and for heat stage 2.W-Wire - connects to W terminal and for heat stage 1 with the white wire.Y2-Wire - connects to Y2 terminal and is for cooling stage 2.Y-Wire - connects to the Y terminal and is for cooling stage 1 with the yellow wire.RH-Wire - connects to RH terminal RH heat.

RC-Wire - connects to the RC terminal RC red.Red-Wire - connects to the R terminal with the red wire.Thermostat Terminal Designations Quick Guide - Detail Wiring Color Guide Below.Essential Thermostat Wiring Color Guide Including Manufacturers Instructions.Thermostat Wiring Colors Code Page Navigation