RDL211 Room Thermostat, Prog, H&C, 3V

The RDL211 is a room thermostat that controls heating and cooling in homes with two voltage-free relay outputs and a 7-day scheduler for flexible, energy-efficient comfort.

• Room temperature control via built-in or external sensor
• Control behavior configurable: 2-position, TPI, or 3-position
• Two multifunctional inputs for external temperature sensors, open window detection, dewpoint monitoring, etc.
• Manual heating/cooling changeover with optional output signal for synchronization, or remote changeover via input
• 7-day scheduler
• E-paper display with touch keypad
• Adjustable commissioning and control parameters
• Configuration via local user interface or Siemens QuickConfig app
• Installation: Wall-mounted
• Power supply: 2 × AA batteries, with a battery life of up to 2 years

Application selectable:

• Heating only
• Cooling only
• Heating or cooling
• Heating or cooling with changover signal
• Heating and cooling with manual or remote changeover