Flex Series Heat Pump

47-354 kW

Main features

  • Scroll compressors.
  • ECO-PROFILE axial fans statically and dynamically balanced.
  • Water side plate heat exchanger with differential pressure switch and antifreeze protection electric heater.
  • Air side heat exchanger high efficiency finned coils with seamless copper tubes expanded into corrugated aluminium.
  • Condensing and evaporating pressure control with variable fans speed modulation.
  • Microprocessor-based controller.
  • Thermostatic expansion valve.
  • Casing and panels in galvanised and painted steel.

Customer benefits

  • Eco-profile fans
  • Non-stop continuous operation
  • Just in time system
  • Easy to handle
  • Flexible investment


  • Hybrid smart cooling® (2 way modulating valve, brazed heat exchanger).
  • Remote adjustable set point. (1)
  • Electronic expansion valve.
  • Power factor correction to cos phi 0,91. (2)
  • Automatic circuit breakers for compressors.
  • Automatic circuit breakers for fans.
  • Over/under voltage + phase failure protection relay.
  • Condensing control with variable fan speed modulation.
  • Full inverter electronic fans.
  • Soft starter.
  • Low outdoor air temperature kit down to -10°C (in cooling mode only).
  • Low outdoor air temperature kit down to -20°C (in cooling mode only)
  • Compressors sound jackets.
  • High static pressure fans, 100 Pa.
  • Pre painted condensing coils.
  • Epoxy coated condensing coils fins.
  • Copper/copper condensing coils.
  • BLYGOLD condensing coils.
  • Gas gauges.
  • Anti intrusion grilles.


  • Sophisticated remote key pad including all connection cables (3)
  • Remote Display.
  • Signal amplification card (distances more than 50 m).
  • Flow switch.
  • Automatic water filling.
  • Water gauges.
  • Rubber antivibration mounts.
  • Spring antivibration mounts.
  • Water strainer.
  • Serial communication card RS485. (4)


(1) Available in the standard temperature range. (2) Phase correction will apply on each unit. The device will be provided loose with clamps for the connection to the panel. (3) For modular applications. (4) Can only be used on a master unit (in case of combination) or on single stand-alone units (non-modular application).

Flex controllers

  • Flex Stand Alone Dixell Ichill 121
  • Flex Modular Carel Pao1 S
    • Master/slave set-up is done at the factory
    • Carel controller supports BacNet and LonTalk
  • Important: Stand-alone unit cannot be converted to Modular unit on-site because of electrical panel and different controllers

Flex Modular Controller

Up to 12 modules with one single interface

  • Kit Genius (includes remote key pad PGD carel, connection cable)
  • Multiple unit activation (variable password linked to C.O.)
  • Signal amplification card (distances more than 50 my)