13-27 kW

         16-32 kW


Energy efficiency

  High partial and full load efficiency, reducing operating costs

 Complies with ErP 2021

 Full INVERTER technology to improve seasonal energy efficiency

  Electronic fans and electronic expansion valve for minimal energy consumption

  Equipment with a hydraulic unit can include high-performance electronic pumps

  NEW hot gas partial heat recovery system for DHW 

Adaptation and Versatility

   Versions with hydraulic unit and built-in buffer tank to reduce compressor short cycling

   Condensing pressure control as standard for all year operation

   Adaptability to the facility offering a wide range of models

   Maximum accessibility and easy maintenance thanks to removable panels


More details about this product

The brand new Keyter Catalogue is out now and free available. In this year’s edition you will discover

our complete range of products and find more technical specifications about the Keyter units.


  Outdoor EC radial fan

  Anti-corrosion coverings of the outdoor coil

  Hydraulic circuit with variable speed electronic pump (standard with chassis 3;

optional with chassis 4)

  Remote controller

  External communication with MODBUS protocol via RS485 card 

Hydraulic versions

   KWF – Standard version (S)

Equipment with no hydraulic unit, but with triple protection of the plate heat exchanger because, as standard, it comes with a flow switch in the water piping, antifreeze protection for water and antifreeze protection for freon.


   KWF – Version with hydraulic unit (P)

Integrated hydraulic unit consisting of a circulation pump, 5-litre expansion vessel, safety valve and flow switch.

The series 3 hydraulic unit features a high energy performance electronic pump as standard. The hydraulic unit of the series 4 models may be requested with the following options:

– Single pump without speed control

– High energy performance electronic pump


   KWF – Version with hydraulic unit and buffer tank (H)

Equipment designed with a hydraulic unit and also a buffer tank to reduce the frequency of compressor starts and stops.

Buffer tank capacity of 30 litres in series 3 and 100 litres in series 4.

Optionally the buffer can be supplied in a separate module to the unit (see module dimensions)



NESEA inverter units include:



Other products


Extensively range of HVAC+R solutions


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Are you looking for (custom-made) HVAC+R solutions or do you have any questions? Don’t hesitate to contact us.


Extensively range of HVAC+R solutions