CHA/IK/A 21÷81

A CLASS ENERGY EFFICIENCY AIRCOOLED LIQUID CHILLERS AND HEAT PUMPS WITH AXIAL FANS, INVERTER SCROLL COMPRESSOR, PLATE EXCHANGER AND HIGH EFFICIENCY EC INVERTER CIRCULATOR.

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The CHA/IK/A 21÷81 series is the winning choice for ideal comfort in residential and commercial environments.
The range, in A CLASS energy efficiency, features Inverter technology on the compressor, for high efficiency at partial loads. The range excels for its compact sizes, quietness and optimised water circuit, on a peraluman structure. Particular design features enable immediate and effective use, easy installation and lasting reliability.
These extremely compact and high-tech units offer you ideal comfort in all seasons.
The unit features high efficiency integrated circulator with EC Inverter brushless electronic motor.
The Heat Pump version is designed for hot water production up to 55°C.
The units are compliant to the ErP Regulation.

Versions

  • CHA/IK/A - Cooling only
  • CHA/IK/A/WP - Reversible Heat Pump

Power range

  • 6.0-22.4 kW
  • 2.0-6.0 Ton

Features

  • Structure with supporting frame, in peraluman, galvanized sheet and with rubber shock absorbers on the frame.
  • DC INVERTER Scroll compressor with internal overheat protection and crankcase heater.
  • Axial fans with low ventilation and special wing profile, directly coupled to external rotor motors.
  • Condenser made of copper tubes and aluminium finned coil, complete with drain pan for WP version only.
  • Evaporator AISI 316 stainless steel braze welded plates type, complete with water differential pressure switch. On the Heat Pump units it is always installed an antifreeze heater.
  • Electronic expansion valve.
  • R410A refrigerant.
  • Electrical board includes: main switch with door lock device, fuses, compressor and pump remote control switch.
  • Condensing Control is included: electronic proportional device that ensures efficient and continuous functioning of the unit with outside air temperature down to –20 °C in cooling mode. It also allows to reduce the sound level especially at night. It consists of a fans speed controller with continuous speed regulation and high and low pressure transducers on cooling circuit.
  • Functioning in heating mode with outside air temperature down to -15 °C.
  • Water circuit includes: water differential pressure switch, high efficiency EC Inverter circulator, safety valve and expansion vessel.
  • High efficiency circulator with EC Inverter brushless electronic motor with 3 speeds selectable by the user.
  • Microprocessor control and regulation system.