35Power supply 2 x AA batteriesReceiver rating max 16 (5) AOutput signal OpenTherm or voltage free COM/NOTemperature range 5 - 33.0°CDisplay temperature accuracy 0.1°C or 0.5°CControl algorithm TPI or Hysteresis: ±0.25°C or ±0.5°CCommunication Wireless, 868MhzDimension [mm] Transmitter: 118 x 95 x 26Receiver: 96 x 96 x 27The RT520RF thermostat requires no special maintenance. Periodically, the outer casing can be wiped clean using a dry cloth (please DO NOT use solvents,polishes, detergents or abrasive cleaners, as these can damage the thermostat). There are no user serviceable parts within the unit; any servicing orrepairs could only be carried out by Salus Controls or their appointed agents.12. Cleaning and Maintenance13. Technical Informations118 mm 26 mm95 mm 95 mm96 mm 27 mm96 mm 96 mm

Salus RXRT520 Full User Manual