Siesta-CRX RF - Sonder Regulación S.A.
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Siesta-CRX RF


Daily and weekly radio chrono-thermostat for Heating / Cooling, with keypad lock and programming protection, battery-powered transmitter.

Commercial Sheet

SKU: 29.057 Category:

Daily and weekly radio controlled chrono-thermostat for Heating / Cooling, equipped with the powerful ARM Cortex-M3 processor, a breakthrough in technology and 32-bit architecture, allowing block programming

Combines advanced technology, with an innovative memory accelerator, that generates high performance and low energy consumption

Advanced management of the processes of activation / deactivation of the boiler that provide a considerable greater savings and efficiency, up to 30% savings compared to other thermostats on the market

PASS security function that locks the keyboard, prevents tampering and access by unauthorized personnel

Technical Characteristics

  • Radio frequency transmission at 868Mhz
  • Easy to select block system programming (e.g. at what time, for what temperature desired, applicable on what day)
  • Automatic summer/winter time shift adjustment
  • Manual operation, temporarily cancelling the programming.
  • Heating or cooling selection by keys (without entering programming) ideal for grid / 3-wire valve use (recommended by major manufacturers)
  • Maintains different programs and temperatures for heating and cooling
  • 5-button keyboard, for easy and intuitive programming
  • Blocking regulation scale
  • Up to 28 independent program changes (daily / weekly)
  • Display of the status of the heating / cooling / anti-frost contact
  • Relative humidity display, no humidity control, local relative humidity, not remote
  • Start/Stop key. Keeps the anti-frost function activated
  • Anti-frost and holiday function (off / on programmed)
  • Function: protection of the circulator pump against blockage
  • Vacation and guest leave program
  • Internal temperature sensor with regulation scale from 5°C to 35°C
  • Differential adjustable from 0.1 to 3K in both heating and cooling
  • Temperature in °C (Celsius) or °F (Farenheit)
  • Probe Calibration
  • Thermostat adaptable to universal box
  • Powered by 2 x 1.5V AAA batteries, alkaline
  • Keeps programming in memory, even without batteries
  • Battery Change Warning
  • Keeps programming in memory, even without batteries
  • Dimensions 100 x 80 x 20 mm
  • Surface mount radio receiver 230Vac 50Hz power supply
  • Radio thermostat (transmitter) adaptable to universal box. Optional WEEE code 4.965 for tabletop location


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