Heating controller DHR Classic NL

Heating controller with rotary knob actuation and symbol-guided display for direct installation in the DIN shaft of all common boiler brands.
The controller is suitable for single or two-stage heat generators, for a direct heating circuit and a mixed heating circuit and circulation pump as well as for a water charge pump.
DHR has a digital calendar clock with editable weekly time programmes, 3 heating and 1 hot water programme as well as two time channels for room heating and hot water.
The controller has a weather-compensated flow temperature control, optionally with or without room temperature control via a remote control.
The controller also offers automatic summer - winter switching for normal and reduced operation, room and frost protection function in stand-by mode and optimisation of the switch-on and switch-off times for heating operation.
DHR has the function of maximum and minimum limitation for heat generators and heating circuits.
For modulating gas boilers with OpenTherm input, the automatic burner control unit can be controlled directly using an interface, which is available as an option.