Sistemas de Aire Exterior Dedicado

Sistemas de Aire Exterior Dedicado

Un sistema dedicado de aire exterior (DOAS) es una unidad que suministra aire frío, sin humedad al edificio en verano y aire exterior que se calienta en el invierno. El sistema también puede incluir una rueda de energía total. Una rueda de recuperación de energía ofrece hasta un 80% de efectividad total, lo que reduce significativamente los requisitos de capacidad de calefacción y enfriamiento de la unidad DOAS.

VISIÓN GENERAL

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RV

Los ventiladores de techo prefabricados acondicionan y suministran el 100% del aire exterior o mezclas de aire exterior y el aire de retorno a un edificio. Esta unidad es ideal para aplicaciones de 100% de aire exterior, volumen de aire variable y zonas epecificas.

  • De 500 a 18000 cfm
  • Hasta 3 pulg. ca. (ESP)
  • Capacidad de enfriamiento de 3 a 70 toneladas
  • Capacidad de calefacción de 75 a 1200 mbh (Mil BTU por hora)
  • Opciones de enfriamiento: expansión directa empaquetada, expansión directa dividida con condensador remoto y agua fría
  • Opciones de calefacción: gas indirecto, eléctrico y agua caliente.
Purchase Options:
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RVC

Pre-engineered rooftop unit incorporates a total enthalpy core that provides both sensible and latent heat transfer and meets ASHRAE 90.1 minimum efficiencies. As the enthalpy core has no moving parts, the need for mechanical maintenance and repair is greatly reduced. The unit is ideal for commercial, institutional, and industrial applications requiring low cross leakage and minimal maintenance. Heating and cooling options are then provided downstream of the enthalpy core to provide additional tempering and dehumidification.

Airflow Range: 500 - 15,000 cfm

Cooling Capacity: 5 - 70 tons

Unit Construction

  • 2-inch double wall cabinet with R13 injected foam
  • Exterior unit coating with 2,500-hour salt spray rating
  • Optional horizontal duct configurations for side return and supply

Enthalpy Core Options

Polymer nano-graphene hybrid material

  • 55-65% Total Effectiveness
  • Wash with mild detergent and low-pressure water tap

Fiber coated with hydrophilic resin

  • 50-60% Total Effectiveness
  • Maintained by vacuuming off surfaces

Cooling Options

Packaged Direct Expansion (5-70 tons)

  • Lead Inverter Compressor
  • Low Sound Condenser Fans
  • Lead EC (Electronically Commutated) Motor

Air-Source Heat Pump (5-30 tons)

Chilled Water

Split Direct Expansion (select models)

Heating Options

Indirect Gas (100-1,200 mbh)

  • Up to 16:1 Turndown
  • Natural Gas or LP

Air-Source Heat Pump (5-30 tons)

Hot Water

Choose from a variety of other control options for efficient operation including integration into building management systems. These controls come pre-programmed from the factory and are easily configured in the field.

Learn More about DOAS Controls!

Purchase Options:
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RVE

Pre-engineered rooftop unit features a total enthalpy wheel that rotates between two airstreams while transferring both sensible (heat) and latent (moisture) energy. Ideal for applications requiring high percentages of outdoor air, the enthalpy wheel offers up to 80% total effectiveness significantly reducing the heating and cooling capacity requirements for lower operating costs. Heating and cooling options are then provided downstream of the enthalpy wheel to provide additional tempering and dehumidification.

Airflow Range: 500 - 18,000 cfm

Cooling Capacity: 5 - 70 tons

Unit Construction

  • 2-inch double wall cabinet with R13 injected foam
  • Exterior unit coating with 2,500-hour salt spray rating
  • Optional horizontal duct configurations for side return and supply

Enthalpy Wheel Options

Polymer embedded with silica gel desiccant

  • 70-80% Total Effectiveness
  • Removable segments washable with water and mild detergent

Aluminum with molecular sieve

  • 70-80% Total Effectiveness
  • Maintained by vacuuming off surfaces, purging with compressed air, or wiping surfaces

Cooling Options

Packaged Direct Expansion (5-70 tons)

  • Lead Inverter Compressor
  • Low Sound Condenser Fans
  • Lead EC (Electronically Commutated) Motor

Air-Source Heat Pump (5-30 tons)

Chilled Water

Split Direct Expansion (select models)

Heating Options

Indirect Gas (100-1,200 mbh)

  • Up to 16:1 Turndown
  • Natural Gas or LP

Air-Source Heat Pump (5-30 tons)

Hot Water

Choose from a variety of other control options for efficient operation including integration into building management systems. These controls come pre-programmed from the factory and are easily configured in the field.

Learn More about DOAS Controls!

Purchase Options: