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3 dni temu · The green wire (G wire) controls the fan, allowing the thermostat to signal the heating, cooling, or air circulation fan to switch on as needed. This wire is part of a common configuration for heat pumps and HVAC systems.
O, B, O/B: These wires are responsible for switching the changeover valve in a heat pump system. The O wire reverses the valve from heating to cooling, and the B wire switches the valve from cooling to heating. Sometimes it might be a single O/B wire instead of two separate wires.
Here are the wires in 4 wire thermostats with terminal codes and color codes (also referred to as 4 wire thermostat wiring color code): Red wire for power (24V). White wire for heating (connected to W or W1 terminal).
View and Download EGO 55 Series operating instructions manual online. 55 Series thermostat pdf manual download. Also for: 56 series.
29 sie 2022 · The thermostat uses one wire to control the primary functions of your HVAC system, such as heating, cooling, and fan. See the diagram below for the role of each wire in your system: S – Indoor and Outdoor Wired Sensors. Y – Compressor Stage 1 (Cooling) Y2 – Compressor Stage 2 (Cooling) G – Fan. C – Common.
19 cze 2024 · Understanding thermostat wiring and color codes is crucial for successfully installing, upgrading, or troubleshooting a thermostat. It’s like the conductor of an orchestra, the wiring brings all the elements of your HVAC system together to create a symphony of comfort.
26 maj 2023 · This complete 24-volt thermostat wiring guide covers all thermostat wiring issues from the simple to the complex – from basic 2 wire thermostat wiring common to gas furnaces all the way to 8 wire thermostat wiring for two stage heat pumps and similar HVAC systems.
