COMPACT CRE Heat Pump

Heat pumps COMPACT use the thermal energy of the air for the production of domestic hot water. The process takes place in the most effective and profitable way, with C.O.P. > 3 (average). The energetic advantage of the heat pumps COMPACT, therefore, allows safeguarding the environment, using above all the energy of the solar radiation.

The easiness of installation, the silent and reliable functioning and the very small need for maintenance complete the advantages of this great ecological and economic system. The unit COMPACT produces sanitary warm water using the well-established technology of the heat pumps.

The principle of functioning is the following:

  1. The refrigerating fluid changes its state in the evaporator taking heat from the low-temperature source (the external air).
  2. The compressor, which is the beating heart of the system, makes the energy level of the taken heat higher: in fact, the refrigerating fluid, by increasing its pressure, reaches temperatures near to 90°C.
  3. In the condenser it is possible to give thermal energy to the sanitary water, warming it until 60°C. The accumulation (200, 300 litres) allows to store up and keep for a long time the heat, thanks to insulating shell in polyurethane 50 mm thick.
  4. Crossing, in the end, the expansion element, the fluid returns to low pressure, cools down and it is available to “load” other “ecological” heat again from external air. It is also possible to employ auxiliary sources, with additional exchangers connected to boilers or solar panels

The standard unit adopts a 1.5 kW single-phase electrical resistance. The boiler is made of carbon steel, with the inside treatment of two layers SMALGLASS, magnesium-anode, external coating in plastic material (ABS) RAL 9006.

Technical Specifications

Series of 3 models (standard CRE-PEL, CRE-PWW, CRE-PEP) for nominal accumulation capacity of 270 litres, composed of :

  • Steel tank with double layer vitrification.
  • High thickness foamed polyurethane insulation.
  • External lower cover in grey ABS.
  • Air-to-water heat pump system (R134a) composed of hermetic rotary compressor, condenser wrapped outside the boiler free from fouling and freon-to-water contamination, air evaporating finned coil, adjustable flow radial fan; upper cover in black ABS.
  • Auxiliary electric heater automatically switched depending on outside air temperature.
  • Anti-corrosion magnesium anode.
  • Auxiliary coil for use in combination with the boiler or solar panels (CRE-PWW).
  • Double auxiliary coil for use in simultaneous combination to three different energy sources (CRE-PEP).
  • Built-in electronics with LCD display.

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