Kronotherm Smax

Larger consumers
Heat pump for the largest consumers of hot water

Main Characteristics

  • Heating power / heat pump only: 4 kW
  • Volume of the DHW: 450 l
  • Voltage: 230 V, 50 Hz / 400 V, 50 Hz
  • Additional electrical heaters: 2 kW or 2 x 2 kW one-phase connection or 2 x 2 kW three-phase connection
  • Possibility to install an additional heat source on the DHW exchanger (solar collector or fossil fuel furnace)
  • Possibility of spatial positioning for intake and outlet air or guided air
  • Possibility to set heating schedule
  • WEB module (for remote control) optional
  • Possibility of parallel connection of two, three or more heat pumps for achieving a larger quantity of hot water
  • Joint heating power 7.8 kW: simultaneous operation of the compressor and both heaters
  • Additional opening in the lower part of the DHW (G6/4”) for an additional electric heater
All Devices


  • Enables Basement or Storage Cooling
  • Eco-Friendly
  • Simple Installation
  • Remote Control
  • Saves up to 70% of heating costs
  • Protection against Legionella
  • Lowers Emissions up to 60%