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Recupera DRY, controlled mechanical ventilation unitwithdehumidification and air treatment for horizontal installation

Composition
 
Components
  • 1 Air/air heat recovery system;
  • 2 Compressor;
  • 3 Finned integration coil (water);
  • 4 Finned coil (evaporator);
  • 5 Finned coil (condenser 1);
  • 6 Plate heat exchanger (condenser 2);
  • 7 Centrifugal fan (room air delivery pipe);
  • 8 Centrifugal fan (air expulsion);
  • 9 Electric control board (controller and terminal board);
  • 10 Motorised damper (room air recirculation);
  • 11 Motorised damper (external air intake);
  • 12 Motorised damper (bathroom air intake).

Technical characteristics
The machine is made up from a galvanised sheet structure with particular heat and noise isolation which encloses: a direct expansion cooling circuit for dehumidification of the air, an additional finned heat exchanger to connect to the heating system for summer/winter integration, a high efficiency air/air heat recovery system, motorised dampers for the adjustment of the respective air flows, accessible G4 filters positioned in the respective unit air inlet pipes, two “brushless” variable flow electric fans, a condensate collection tray, an electric control board and a remote control panel to be installed on a guide in a wall-hung electric control board.

Technical features
The air flows treated by the Recupera DRY can be set via the control panel, the speed of the electric fans is adjusted automatically to ensure the pre-fixed air flow in the distribution channels and combat the relative pressure drops.
The air introduced into the environment can be made up from two air flows: renewal with heat recovery and air recirculation.
The renewal and recirculation flows can be combined, if desired, depending on the flow rates and the type of treatment to be carried out.

Air treatments available:
• RENEWAL of the air with eventual winter heating or summer cooling;
• RECIRCULATION of the air with: winter heating, summer cooling, summer dehumidification, summer cooling and dehumidification;
• RECIRCULATION of the air with partial RENEWAL, together with all treatments envisioned for recirculation.

Air flows available:
• air introduced into the environment, with recirculation that can be set from: 200 m³/h up to 300 m³/h);
• renewable air that can be set from: 80 up to 160 m³/h.

Cooling mode
The finned coil, connected to the radiant heating system, allows summer cooling and winter heating; the outlet temperature can be adjusted by the machine itself, with the addition of an external mixing valve (with modulating adjustment) or via adjustment of the radiant system that controls the temperature of the water sent.

Dehumidification and Cooling mode
The air is pre-cooled by the water coil fed by the heating system; the cooling evaporator carries out cooling and consequent dehumidification of the air.
The cooling circuit has two condensers connected in parallel: as well as an air-cooled condenser there is a second plate condenser that disposes of the condensation heat into the radiant system water.
The two electronic expansion valves allow to distribute the condensation heat to the air and water in the proportions desired; in this way, it is possible to obtain the desired outlet air temperature between maximum cooling and neutrality.
The temperature of the outlet air can be set as: summer neutral, summer integration, winter neutral and winter integration.

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Notes
 
Energy recovering (winter)**: 91% - Power supply: 230/1/50 V~/ph/Hz - Refrigerant (R134a): 0,56 kg - Sound pressure level at 1 m: 39 dB(A).

Supplementary heat exchange: Total cooling capacity (1): 1950 W - Heating capacity (2): 2050 W.

(*) Outdoor temperature 35 °C, 50% RH.
(**) Indoor temperature 20 °C / 50% RH - outdoor temperature -5 °C / 80% RH.
(1) Inlet air condition 27 °C 48% RH, in/out water temperature 7/12 °C, nominal airflow rate.
(2) Inlet air condition 20 °C, in/out water temperature 45/40 °C, nominal airflow rate.
 

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