Non-programmable LCD thermostat 230Vac - SIEMENS : RDD100

Siemens RDD100: The battery operated ambience thermostat
This thermostat is ideal for regulating the temperature of a room or a house, due to its different modes to be used all year round:

Comfort mode
Economy mode
Frost protection (used continuously to avoid freezing of the piping)

Siemens RDD100 regulation parameters

P02 Temperature display in °C or °F
P03 Standard temperature display (Ambient or setpoint)
P04 Temperature sensor calibration: -3...3 °C, in 0.5°C steps (-6...6 °F, in 1 °F steps), by default: 0 °C
P05 Comfort Setpoint: 5...35 °C, in 0.5 °C steps (41...95 °F, in 1 °F steps), by default: 20 °C, 68 °F
P06 Lock comfort setpoint
P07 Economy setpoint: 5...35 °C, in 0.5°C steps (41...95 °F, in 1 °F steps), by default: 16°C, 61°F
P08 Lock the economy setpoint
P09 Horn
P10 Display the frost protection symbol
P22 Restore factory settings
P23 Information about the software version

Safety Information :
To protect yourself against electrical hazards, be sure to disconnect the load from the power supply before working on it. If in doubt, don't risk a faulty installation: ask a qualified electrician for advice.