WP4 LF-502

Highly efficient
heat pump for larger quantities of DHW
Testedin our own
basement or storage cooling
ECO Simpleinstallation Remote
Saves up
to 70 %
of heating
Protectionagainst legionella Lowers
up to 60 %
Energy class

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 working 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
  • Click on more information about processing personal information:
    Managed by | Application, extent and purpose of storage and treatment | Amount | Retention period | Individual rights | legal notice

What does ‘heat pump for larger quantity of hot water’ mean?


The model WP4 LF-502 has a very high efficiency coefficient (COP), which is an astounding 3.7! If a large volume of the DHW is available (450 litres), it can supply a larger quantity of hot water.


What kinds of buildings or purposes is this heat pump model suitable for?


The model WP4 LF-502 is intended for private use, if a larger quantity of water is needed (8 - member family or more) or business purposes, such as hot water for kitchens, apartment complexes, camps or kindergartens and schools.