Heat recovery air handling unit with four duct connections

Equipamento de manuseio de ar e HVAC para sala limpa

Unidade de Manuseio de Ar de Recuperação de Calor

A dual-air-stream unit that transfers useful heat between exhaust and outdoor air while keeping filtration and airflow control independently serviceable.

Separated Supply and Exhaust
Selectable Recovery Technology
Bypass and Frost Control
Reduced Outdoor-Air Load

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Introdução do produto

The heat recovery air handling unit brings outdoor supply and building exhaust through a common insulated casing while maintaining defined separation between air streams. Counterflow plate exchangers offer no moving transfer surface, rotary wheels provide high sensible and latent recovery where appropriate, and run-around coils completely separate the ducts. Bypass dampers, frost control and independent fans keep airflow stable through changing outdoor conditions. The recovery method is chosen according to contamination-transfer tolerance, humidity objectives and physical duct arrangement.

Características-chave

Three recovery approaches allow energy transfer to match air-separation and moisture requirements.

Independent supply and exhaust fans maintain balanced airflow through different filter-loading conditions.

Bypass and frost-control sequences protect the exchanger during extreme ambient operation.

Accessible recovery cassettes and drain sections simplify inspection and cleaning.

Preocupações do produto do cliente

Energy recovery is valuable only when cross-stream leakage, frost, condensate and fan balance are controlled for the actual exhaust source.

Exhaust contaminants can cross into the clean supply air through the wrong recovery device.A plate or run-around system is selected where physical stream separation is the priority.

Ice blocks the exchanger during cold outdoor operation.Temperature-based bypass, preheat or controlled defrost limits frost accumulation.

Unequal supply and exhaust pressure drives leakage across a rotary wheel.Fan control and purge-section arrangement establish the intended pressure relationship.

Condensate remains under a plate exchanger and reaches adjacent panels.A full-width sloped drain pan collects water from the complete recovery section.

Aplicações típicas

Cleanroom ventilation systemsLaboratories with high exhaustHealthcare clean facilitiesPharmaceutical productionEnergy-conscious industrial ventilation

Parâmetros técnicos

Representative casing data for a dual-stream heat-recovery air handling unit are shown below.

Material principal	Closed-cell polyurethane or mineral-wool insulation in separated double-skin air paths
Painel de espessura	50–60 mm insulated casing
Largura efetiva	1000–3200 mm nominal unit width
Comprimento máximo	Up to 10000 mm including recovery, filter, coil and fan sections
Aço enfrentando espessura	0.6–1.0 mm galvanized, coated or stainless sheet skins
Densidade Core	40–44 kg/m³ polyurethane or 86–100 kg/m³ mineral wool
Condutividade térmica	0.022–0.040 W/(m·K) for the casing insulation
Superfície acabado	Powder-coated exterior with cleanable galvanized or stainless inner lining
Tipo conjunto	Gasketed dual-stream casing with sealed recovery cassette and independent duct collars
Customização	Disponível com base na aplicação pretendida e no ambiente operacional.

Opções disponíveis

Counterflow plate heat exchangerRotary sensible or enthalpy wheelRun-around coil recovery loopBypass damper, preheat and frost-control package

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