Wireless digital room thermostat BT-D03-RF (black)

The Wireless digital room thermostat with back-light LCD display is designed to control different types of heating and cooling systems. Temperature control is based on internal sensors. An external sensor (SENSOR 10K - P01228) can be connected without any additional external power supply. A logo on display indicates whether the heating switch-on signal is activated.

- Thermostat compatible with WATTS Vision® system
- Smartphone App control capability when associated to Central Unit BT-CT02 RF
- LCD display with back-light
- 3 sensitive touch buttons
- Open window detection
- Different temperature modes setting
- Anti-freeze function
- Configurable Hysteresis or PWM regulation
- Pin Code & screws lock for public area
- Wall or Desk mounting with a stand (included)
- 2 parameter menus User and Pro

Technical Features
  • Operating temperature 0÷40°C
  • Shipping and storage temperature: -10°C to +50°C
  • IP rating IP30
  • Protection class Class II
  • Temperature accuracy 0.1°C
  • Regulation type : Proportional Band (PWM 2°C/10min) or Hysteresis 0.2°C to 3.0°C
  • Temperature ranges: Comfort / Reduced / Anti-freeze 5÷37°C / 5÷37°C / 0.5÷10°C / (increments of 0.5°C)
  • Power supply 2 AAA LR03 1.5V Alkaline, Life ~2 years
  • Radio frequency 868 MHz, <10mW, Bidirectional communication
  • Sensor Internal and/or external (opt.) NTC 10kW at 25°C
  • Firmware version Shown on thermostat menu N°14
  • Memory EEPROM non volatile
  • Directives
  • EMC 2014/30/EU
  • RoHS 2011/65/EU
Part no.
Type Code WELF Power Supply
BT-D03-RF black P07930 2 AAA LR03 1.5V batteries (supplied)