How Do You Wire A 2 Stage Thermostat

G Fan onoff. This setting provides a timed delay before second-stage heat is initiated.


Thermostat Wiring Thermostat Refrigeration And Air Conditioning

OB Energize to cool controls the reversing valve.

How do you wire a 2 stage thermostat. 2 Jun 11 2020 Edited W2 is needed to stage the furnace based on the needs of the house. BSelect ON for two-stage heating operation controlledby a single-stage heating thermostat. I saw that the original wiring consisted of 4 wires and wanting to make use of the 2 stages of heating I ran a 5 wire cable so I have 9 wires total.

If you cant find the c-wire or need help with the difference between a 2-wire thermostat and a 4-wire thermostat call a professional electrician. Verify that the red wire is connected to the R terminal green wire to the G terminal and white wire to the W terminal. W2 Heat Stage 2 inside furnace.

Orange This wire connects to your heat pump if you have one. Alternately look for thermostats that specifically say they do not require a c-wire for operation. For the Y Y1 and Y2 wires Y or Y1 will go to the Y terminal and Y2 will go to the Y2 terminal.

At every stage we will point out what 2 wire or 5 wire thermostats are used to wire for example to get a bigger picture of where those color wires go and how they enable the functions of air conditioners and furnaces. Lets take a look at the G wire. The installers put in a single stage thermostat so as far as I could tell it was running as a single stage.

This system is incredibly efficient lowers utility bills tremendously. Two-stage thermostats run two-stage air-handling systems which heat and cool in two phases. If you need something that simply reduces temperature at a certain time any number of the Honeywell programmable 2 stage products can do it with the caveat of you losing the variable control.

W1 Y1 Heat Cool Stage 1 jumper since you have a heat pump that can both heat and cool. When the thermostat first turns the unit on only the first-stage heating or cooling components run unless the second-stage components are needed to maintain a desired temperature. The new furnace has 2-stage heating the AC unit is single stage.

The Nest Thermostat E supports one stage of heating one stage of cooling and a second stage of either heating or cooling. The Ecobee is a good thermostat with the same issue - no variable control. But this thermostat is actually wired as 1H1C system as there is a jumper wire connecting W1 to W2 and another jumper wire connecting Y1 to Y2.

The thermostat only energizes W2 when actually required and can de. This wire will go to the G terminal on your new thermostat. This image given above is of a thermostat which supports 2 stage systems 2H2C 2 stages of heatingW1 W2 cooling Y1 Y2 in a single thermostat.

Pull the thermostat off the wall. There are controls that only require 2 wires to the thermostat but require an additional module installed at the furnace to make things work. Red Now there can be two separate wires for this.

You need to run a 182 suggest 183 wire to each zone damper from the zone control mounted by the furnace. This video is part of the heating and cooling series of training videos made to accompany my w. You can put wireless thermostats in each roomzone they connect to the zoning panel.

Most 2 stage thermostats would require a W2 and common wire and would need at least 6 wires. We will cover the most common thermostat wirings for 2 wire 3 wire 4 wire and 5 wire thermostats. Strip the brown wire back one-half inch and connect it to the W2 terminal on the thermostat.

In the case of a low voltage 24 volts 2 wire thermostat there will be a red and white color wire coming into its back. The red wire has to be connected to the R terminal of furnace thermostat and similarly the white wire has to be connected to the W terminal of furnace thermostat. This one explains the 2 stage thermostat and how it is wired.

Youll need to manually set the OB connector as your second stage in. Green The green wire connects to the fan. Heres what the wire labels are on your existing t-stat.

If not connect these also. Httpsamznto36VC9IgIn this video we teach you how to wire a 2 stage thermostat for heating and. C Common side of transformer.

Yellow The yellow wire connects to your compressor. If you have a C wire place it into the C terminal on your wall plate. R Hot side of transformer.

Without it yours would run on first stage for the first 10 minutes and then lock in high. However choosing a model that doesnt need a c-wire will limit your choices and overall. Switch 1 - Thermostat Selection A Select OFF for two-stage heating operation controlled by a two-stage heating thermostat factory setting.


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