Google Nest Learning Thermostat 4th Gen Installation And Configuration Manual page 23

HVAC System Compatibility
System Compatibility
The Nest Learning Thermostat (4th gen) works
with most 24V systems, including gas, electrical,
oil, forced air, heat pump, and radiant.
Heating: 1, 2 and 3 stages (W1, W2, W3)
Cooling: 1 and 2 stages (Y1, Y2)
Power (C, Rh, Rc)
Wire Terminals
● Y1 W1
●
● Y2 W2/AUX
●
● G ● C
● O/B *
●
● RC
Rh AQ+
● ●
AQ-
●
Networking Requirements
Wi-Fi is required for software updates and remote control with the
Google Home App
Wi-Fi 802.11 b/g/n, 2.4 GHz and 5GHz
Secure: AES-128, SSL/TLS, WEP, WPA/WPA2
(star)
For more information about compatible networks, visit this
link.
Fan (including multi-speed) (G or G1,G2,G3)
Humidifier, dehumidifier (HUM, DEHUM)
HRV, ERV, Exhaust Only, Supply ventilation
Heat pump: with auxiliary/alternate and
emergency heat (O/B, AUX, ALT, E)
HVAC System Compatibility
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