
Wiring
Open the boiler door (use the
boiler manual, if necessary).
Identify the thermostat terminals in
the boiler, often labeled LS-LR, TA or
COM-NO. They may be identifiable
thanks to a shunt between the two
thermostat terminals.
If your are replacing a wireless ther-
mostat, find your former thermostat’s
relay and remove it.
If you are installing your first thermos-
tat, please remove the shunt between
the two thermostat terminals.
Connect the black and grey wires
of the boiler adapter cable to the
thermostat terminals.
Thermostat terminals
Black and grey wires
No polarity
LS/ LR
TA
COM / NO
or
or
Note : Some thermostats are connected to dierent terminals from those on the diagram’s list (for
example, eBus, EMS…). In this case, you will have to identify the right thermostat terminals to connect the
Relay of the Netatmo Thermostat.