Honeywell thermostat 2 wire hookup

honeywell thermostat 2 wire hookup

- 5 Wires article: this article includes a comprehensive list showing thermostat wire terminations for an air conditioner and a source of heat that includes five wires. Don't have a gravatar? Just be sure the thermostat you select is battery powered. The other control wire will be the common wire need at the compressor contactor where the coil in the compressor contactor needs a hot and a common from the control transformer to work. Nest Owners Not Exempt The popular Nest thermostat claims to work without a C-wire, there are some caveats. . Fan, white W, heat Yellow Y Air conditioner Yes, you should install a C-wire if you are upgrading your thermostat. Nests manufacturer updated its literature to warn outdoor sink hose hookup that the Nest may be incompatible with some single cycle, no-C-wire systems, but the reality remains that outdated wiring is going to become more and more of a pain in the butt to deal with. The wiring diagram above assumes you have a Dometic A/C unit and an Atwood furnace. The set temperature is not always the temperature the thermostat cycles, which results in as much as a /- 5F temperature change before the A/C or furnace cycles on or off. Other combinations such as a Coleman Mach A/C unit and a Suburban furnace are very similar so be sure to consult your A/C and furnace manuals to ensure correct wiring. Hunter Digital Thermostat Back Cover, duotherm Analog to Hunter Digital Thermostat Wiring Digram.

Honeywell RTH2300B1012/E1 5-2 Day Programmable Thermostat

honeywell thermostat 2 wire hookup

Comfort when you're home.
Savings when you're away.
Your life doesn't follow a set schedule.
You can control the Honeywell's Lyric Round Wi-Fi Thermostat from anywhere, or let it manage your comfort and savings automatically, so there's no learning curve, no rigid scheduling.
The Honeywell Round Heat/Cool Thermostat offers time-tested, precise temperature control in a simple, mercury-free thermostat.

If you have heat and AC, youll need 18/5. Finally, the C terminal is the common terminal and this terminal feeds the common side of the load from the control transformer. Any wire can be used for any purpose. If youve got a wire connected to the terminal labeled C, youre (probably) good to go with a smart thermostat installation. The C wire, or common wire enables the continuous flow of 24 VAC power to the thermostat. Nearly all modern thermostats, smart or not, require a power source, and that doesnt look likely to change any time soon.

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