Netatmo Thermostat Modulant Intelligent Installation page 8

1/3 Identify the wires
Switch off the power supply.
Open the boiler door. If necessary,
remove the plastic cover to access the
wiring terminals.
Identify the OpenTherm room thermostat
terminals in the boiler, often labelled -/+,
T1/T2 or OT.
See the Installation Troubleshooting p. 30 for more help.
8
-/+
or
T1/T2
or
OT