Hook up honeywell thermostat

hook up honeywell thermostat

How do you hook up a Honeywell thermostat to a furnace?

Connect it to the G terminal and set jumper JP1 on the back of the thermostat to the HE position if the furnace is electric. Leave it in the HG position for a gas or oil furnace. If the Honeywell thermostat installation is to control an air conditioning system, youll have an R wire for power and a W wire to control the air conditioner.

Where do the wires go on a new thermostat?

If you have a C wire, place it into the C terminal on your wall plate. Lets take a look at the G wire. This wire will go to the G terminal on your new thermostat. For the Y, Y1, and Y2 wires, Y or Y1 will go to the Y terminal, and Y2 will go to the Y2 terminal. The O/B wire can have many configurations.

How do I connect my Honeywell T9 series thermostat to WiFi?

To connect the T9 series Honeywell thermostat to your WiFi network, you will need to have your WiFi password on hand. To connect to WiFi on the T9 series, follow these steps. Touch the screen to activate the display. Touch the “ Menu ” icon to bring up the menu. From the menu, select the “ WiFi ” option.

What is the Y wire on a Honeywell thermostat?

If the Honeywell thermostat installation is to control an air conditioning system, youll have an R wire for power and a W wire to control the air conditioner. You may also have a Y wire (yellow) to control the compressor motor. Attach this to the Y terminal.

How do you wire a thermostat to a furnace?

If the thermostat is going to control a furnace, youll have at least two wires. One is the power wire, labeled R (red), and the other controls the furnace. It should be labeled W (white). Connect these wires to the appropriate terminals. If the system has a separate fan control, youll see a third wire labeled G (green).

How do I install a Honeywell thermostat?

If the Honeywell thermostat installation is to control an air conditioning system, youll have an R wire for power and a W wire to control the air conditioner. You may also have a Y wire (yellow) to control the compressor motor. Attach this to the Y terminal. If the heating/cooling system includes a heat pump, youll find at least one extra wire.

Can a Honeywell thermostat have 2 wires?

Either way, if there are only two wires, your choices for a new thermostat are limited to mechanical or battery-powered models. If youre looking for a Honeywell two-wire thermostat, you cant do much better than the Honeywell T87 series.

Where does the Y wire go on a thermostat?

This wire will go to the G terminal on your new thermostat. For the Y, Y1, and Y2 wires, Y or Y1 will go to the Y terminal, and Y2 will go to the Y2 terminal. The O/B wire can have many configurations.

What does each wire do on a Honeywell thermostat?

Each wire connects to a terminal that controls different variables of the heating and/or air conditioning system. Honeywell thermostats normally have four colored wires in their configuration. This wire connects the thermostat to the transformer that controls both the heating and cooling functions.

What does the yellow wire control on a thermostat?

The air conditioning part of the heating/cooling system is controlled by the yellow wires connection to the Y terminal. The white wire controls the heat generated by the system and it connects to the W thermostat terminal.

Where does the Y wire go on a thermostat?

This wire will go to the G terminal on your new thermostat. For the Y, Y1, and Y2 wires, Y or Y1 will go to the Y terminal, and Y2 will go to the Y2 terminal. The O/B wire can have many configurations.

What color is the y2 on a thermostat?

Most systems have one compressor, but in case there are two, the Y2 terminal is connected via a light blue wire to the second compressor. So to recap, yellow wire for cooling and an additional light blue wire if there are two compressors. The white wire behind your thermostat controls the heating section of your HVAC system.

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