It is recommended that you leave the Thermostat and thermostatic heads connected during the summer, and instead activate the "Holiday" mode, which will switch your installation to the "Freeze Protection" temperature chosen in your "Settings".
You may also use the "Heating Off" mode, that applies a 4° temperature instruction.
By remaining powered, your COMAP Smart Home products will improve the calculation of the thermal parameters of your housing, helping to tune the regulation algorithms during the heating season.