PT59 thermostat with OpenTherm communication

Product detailed description

PT59 thermostat features:

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

Advantages of the PT59 thermostat:

• large BACKLIT display
• intuitive settings navigation
• quick selection buttons
• boiler type selection (e.g. Thermona, Ferroli, Viessmann, Dakon, De Dietrich, ACV) 
• possibility to set nine weekly programs for heating (with six temperature changes per day)
• possibility to set one weekly program for domestic hot water (with three time intervals per day)
• equithermal control*
• equithermal control with correction based on indoor temperature*
• building influence constant
• PI control
• early heating activation (EHA) with lead time setting
• summer mode
• easy control and programming
• boiler room mode (automatic switching between heating mode and summer mode)

The PT59 can be used for boilers communicating according to the OpenTherm protocol and meeting the given technical specifications.

*EQUITHERMAL CONTROL SETTINGS:

We have prepared a clear graphical representation of equithermal curves for you. By selecting the curve number and offset, you can optimize the boiler operation and achieve the desired heating water temperature value at different outdoor temperatures