RDL211RF.ST Room Thermostat, Prg HC Set

The RDL211RF.ST consists of a wireless room thermostat and a wireless receiver that control heating and cooling in homes with two voltage-free relay outputs and a 7-day scheduler. Its cable-free design allows flexible installation, making it ideal for modern, energy-efficient homes.

• 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 or free-standing with table stand
• Wireless operating frequency: 433MHz
• Power supply:

• Thermostat: 2 × AA batteries, with a battery life of up to 2 years
• Receiver: AC 230 V