Room thermostat PT52 with OpenTherm communication ELEKTROBOCK - 0657

Features of the PT52 thermostat:

Room thermostat for controlling heat sources with OpenTherm (OT+) communication (= data communication system between the boiler and the thermostat).

Advantages of the PT52 thermostat:

• large BACKLIT display and easy operation
  
• intuitive navigation of settings in the selected language (CZ/PL/EN/DE/RU/SVK)
  
• 9 weekly programs for UT (with six temperature changes per day)
• 1 weekly program for DHW (with three time intervals per day)
• equithermal regulation
• Equithermal regulation with correction according to the internal temperature
• building influence constant
• PI control
• early heating switch-on (PZT) with advance setting
• selection of boiler type (e.g. Thermona, Dakon, Quantum, Geminox, Ferroli, Viessmann and others)
• quick change of the required UT and DHW temperature
• holiday mode
• summer mode
• current temperature correction
• key lock
• automatic change to summer/winter time
• display of information sent by the boiler via the OT line (current UT temperature, calculated UT temperature, output in %, flow rate, return temperature and outdoor temperature)
• sum of operating hours for both UT and TUV
• antifreeze protection
• Clock backup for approx. 8 hours

PT52 can be used for boilers communicating according to the OpenTherm protocol and meeting the given technical specifications.