Tempco Comfort 24V Guide D'utilisation page 8

If your thermostat needs to be limited, make these operations:
1. Set the setting button on the middle of the new setting range.
2. Remove the setting button by pressing gently outwards with a
narrow screwdriver between the button and the cover.
3. Remove the dial pins and put in the desired holes to limit the
setting range of the thermostat. (Figure 3 et 4)
4. You can now put the setting button on the thermostat.
Fig 3
20°C
Max
Limitation
Min
Limitation
20°C
15°C
Fig 4
8
25°C
10°C