28+ Thermostat Wiring W1 And W2. The w2 thermostat wire controls the second stage heating system, and the aux 2 controls the secondary stage of the auxiliary heating system (or emergency heat system). Do you have a heat pump?
There also appears to be a wire or two. Thermostat white wire (“w1” or “w2” wire) white wires are for heating. The current trane thermostat (tcont402an32daa) has 6 connected wires (r, w1, y1, g, o and b with a jumper from w1 to w2).
Your New Stat Seems Like A.
Whether you’re replacing an outdated unit with a smart thermostat or just trying to. You will find them in gas furnace thermostats, for example, but won’t find them in air conditioner thermostats. These terminals are labeled with letters, such as w1, w2, y1, y2, g, and c.
On Most Thermostats, The W2 Terminal Is Left Unconnected.
There is more to know about your thermostat’s emergency heat. Do you have a heat pump? Here is an example of.
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On the new programable thermostat (lux psph521) there is no place for the w1 wire. The current trane thermostat (tcont402an32daa) has 6 connected wires (r, w1, y1, g, o and b with a jumper from w1 to w2). Thermostat white wire (“w1” or “w2” wire) white wires are for heating.
Unveil The Mysteries Of The Honeywell Smart Thermostat And Its W1 And W2 Terminals In This Comprehensive Guide.
The w2 thermostat wire controls the second stage heating system, and the aux 2 controls the secondary stage of the auxiliary heating system (or emergency heat system). Noting which wire is inserted into the terminal marked e is the best way to spot the emergency heat wire. Normally on a heat pump, the w2 can be called/energized in conjunction with the heat pump w1(y) running… either to allow for w2 heat to run while the heat pump is in.
Learn How To Optimize Heating Stage Management,.
Where does the w1 wire go? There also appears to be a wire or two.
