10
Installation
6 720 812 418(2014/07)
OR30 OT Thermostat
5.3 Installation steps
▶ Finger-tighten the middle part of three edges of back cover, as shown in the
figure, to make the three edges recessed, and then remove back cover(
see
Fig. 4).
Fig. 4
8733201
137-04.2O