Commercial air-to-water heat pump with finned outdoor coils

Equipamento de manuseio de ar e HVAC para sala limpa

Unidade de bomba de calor ar-a - água

A reversible outdoor unit that produces chilled or hot water for cleanroom air-handling coils using one refrigerant circuit and ambient air heat exchange.

Reversible Heating and Cooling
Air-Source Heat Exchange
Integrated Hydronic Options
Seasonal Capacity Modulation

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Introdução do produto

The air-to-water heat pump reverses refrigerant flow so its water heat exchanger can either remove heat from the chilled-water loop or add heat to a hot-water loop. Outdoor finned coils exchange energy with ambient air, while scroll compressors and electronic expansion control adapt to seasonal conditions. The unit can serve four-pipe changeover coils, cleanroom support AHUs or low-temperature hot-water systems. Heating operation includes frost detection and defrost sequencing to restore outdoor-coil airflow.

Características-chave

One outdoor package supplies chilled water in cooling mode and low-temperature hot water in heating mode.

Reversible refrigerant circuitry reduces separate boiler and chiller equipment for suitable load profiles.

Variable or staged scroll compressors follow seasonal building demand and improve part-load control.

Integrated defrost management protects heating capacity as frost accumulates on the outdoor coil.

Preocupações do produto do cliente

Air-source heating performance changes with outdoor temperature and frost, so water temperature, coil selection and backup strategy must be considered together.

Heating capacity falls during the coldest outdoor conditions.Equipment sizing considers low-ambient capacity and a staged supplemental heat source where required.

Defrost temporarily reduces delivered hot-water capacity.Buffer volume and coordinated multi-module sequencing limit water-temperature disturbance.

A high hot-water setpoint forces excessive compressor lift.AHU coils are selected for the lowest practical water temperature to improve heat-pump operation.

Flow stops while the outdoor unit remains exposed to freezing weather.Flow proof, freeze protection and an appropriate glycol concentration protect the water circuit.

Aplicações típicas

Cleanroom AHU heating and coolingLaboratory four-pipe changeover systemsMedical-device facilitiesPharmaceutical support buildingsLow-temperature hydronic heating

Parâmetros técnicos

Typical outdoor enclosure and hydronic insulation data for a commercial air-to-water heat pump are shown below.

Material principal	Closed-cell EPDM elastomeric foam on outdoor hydronic piping and the plate heat exchanger
Painel de espessura	1.0–1.5 mm removable outdoor enclosure panels
Largura efetiva	900–2400 mm nominal equipment width
Comprimento máximo	Up to 7500 mm for multi-circuit air-source arrangement
Aço enfrentando espessura	1.0–2.0 mm galvanized base and weather enclosure
Densidade Core	60–75 kg/m³ closed-cell EPDM tube insulation
Condutividade térmica	≤0.041 W/(m·K) at 0°C for the EPDM insulation
Superfície acabado	Outdoor powder-coated galvanized steel with coated aluminum finned coils available
Tipo conjunto	Welded structural base with bolted service panels and grooved hydronic connections
Customização	Disponível com base na aplicação pretendida e no ambiente operacional.

Opções disponíveis

Cooling-only or reversible heat-pump operationFixed-stage or inverter scroll compressorsIntegrated pump, expansion vessel and buffer tankLow-ambient, low-noise and corrosion-protected coil packages

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