Installation Guide

W415-4094 / 06.10.22
8
EN
4.0 installation guide
4.1 removing your old thermostat
Step 1: Switch off your HVAC system
Before you start, please switch off your HVAC system to protect
you and to avoid blowing a fuse. Wait a few minutes, then try to
adjust the temperature of your old thermostat to verify that the
system is off.
RC
RH G
C
Y1 Y2
W1
W2 O/B
Do not remove
the wallplate
Old thermostat
Breaker box Switch
Step 2: Remove the old thermostat
Remove the old thermostat from the wall. Keep the wall-plate
with wires.