Google Nest Learning Thermostat Installation Guide
Installing the Heat Link
3. Connect to the thermostat wires
Skip to the next step if you’re installing
the Nest Thermostat on the stand and
are using the USB cable for power.
Take two wires from the wire bundle that
goes to the current thermostat and
attach them to the T1 and T2 terminals
on the Heat Link.
12 V DC power
Earth
OpenTherm (42 V DC max)
HOT WATER
Call-for-heat (normally open)
Common
Satisfied (normally closed)
HEATING
Call-for-heat (normally open)
Common
Satisfied (normally closed)
230 V AC live and neutral
input power
10
| General | Details |
|---|---|
| Name | Google Nest Learning Thermostat Installation Guide |
| Make | |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.3 MB |

Google G953-01573-01-A Nest 4th Gen Smart Wi-Fi Thermostat Owner’s Manual













































