Sistemi e attrezzature

Equipaggiamento e sistemi

Variable Air Volume (VAV) Systems

Variable Air Volume (VAV) systems are the most widely used types of HVAC air systems for medium- and large-sized commercial building projects (projects larger than 10,000 ft2) because VAV systems are flexible, energy efficient, and provide a comfortable indoor environment. VAV systems deliver variable supply airflow at a constant temperature (typically 55°F) through the primary air duct to multiple VAV terminal units, each of which serves a separate temperature zone. Each VAV terminal unit contains a motor-operated damper that modulates the primary airflow to the zone, an inlet airflow sensor, and, in some instances, a heating coil and a small recirculating air fan.

Sistema di refrigerazione in parallelo

L'acqua refrigerata viene fatta circolare dalla pompa dell'acqua refrigerata o primaria attraverso entrambi i refrigeratori fino al carico e di nuovo ai refrigeratori. Il circuito dell'acqua refrigerata può essere a flusso costante o a flusso variabile. I sistemi a flusso variabile aumentano la complessità ma offrono notevoli risparmi sul lavoro della pompa. Risolvono inoltre il problema relativo alla sequenza dei refrigeratori che si verifica con refrigeratori paralleli, a flusso costante. Per fornire una certa ridondanza nella progettazione HVAC, la maggior parte dei progettisti richiederà due o più refrigeratori. Più refrigeratori offrono inoltre l'opportunità di migliorare le prestazioni complessive a carico parziale del sistema e di ridurre il consumo energetico. Gli impianti di refrigerazione paralleli sono semplici da progettare e possono essere facilmente modificati per un flusso primario variabile.

Pompa booster

A booster pump is a type of pump that is used to increase the pressure of a liquid or gas. This type of pump is commonly used in water systems, such as in municipal water supply systems or in irrigation systems, to increase the pressure of the water so that it can be transported over long distances or through small pipes. Booster pumps can also be used in other systems, such as air conditioning systems or fuel systems, to increase the pressure of the fluid being transported.

Air Handling Unit (AHU)

An air handling unit (AHU) is a device that is used to condition and circulate air in a heating, ventilation, and air conditioning (HVAC) system. AHUs are typically located within the building that they serve, and are responsible for cleaning, heating, cooling, and circulating the air within the building.

Best HVAC Systems

There are many different types of HVAC systems available, each with their own advantages and disadvantages. Some of the most common and best HVAC systems include split systems, packaged systems, variable refrigerant flow systems, geothermal systems, ductless mini-split systems, boiler systems, radiant heating systems, heat recovery ventilation systems, chilled beam systems, and evaporative cooling systems. The choice of the best system will depend on the specific needs of the building and its occupants, as well as the climate and local building codes.

Tubazioni del refrigerante – parte 2

In questo post continueremo la nostra formazione completa su come dimensionare le tubazioni del refrigerante. Tratteremo tutti gli aspetti importanti di questo processo, inclusa la determinazione della dimensione del tubo, della caduta di pressione e di altri fattori. Discuteremo anche argomenti come il dimensionamento delle linee del refrigerante, la lunghezza equivalente delle linee del refrigerante e come determinare la lunghezza equivalente. Con questa formazione avrai la conoscenza e la sicurezza necessarie per dimensionare le tubazioni del refrigerante in modo accurato e corretto in qualsiasi situazione.

Types of HVAC Insulations and Their Characteristics

In this post, we explore the world of HVAC insulations and their impact on energy efficiency and comfort. From fiberglass to foam, we discuss the different types of HVAC insulations and how to select the right one for your system.

Chiller Heat Rejection System Configurations

Discover the most effective heat rejection system configurations for your needs with our comprehensive guide, exploring Direct Air-Cooled, Direct and Indirect Water-Cooled, and Direct and Indirect Seawater-Cooled Systems.

Accumulator Capacity Calculator

There are two main types of hydraulic accumulators: bladder accumulators and diaphragm accumulators. Both types work on the same basic principle, but they use different methods to separate the hydraulic fluid from the gas. Hydraulic accumulators are an important component of many hydraulic systems. They provide a variety of benefits, such as improved performance, increased reliability, and reduced maintenance costs.

Blast Chiller: Everything You Need to Know

Blast chillers are commercial-grade appliances that rapidly reduce the temperature of food. They are used to chill food from the “danger zone” (between 40 and 140 degrees Fahrenheit) to below 38 degrees Fahrenheit within 90 minutes. This is the temperature at which bacteria growth is slowed significantly. Blast chilling offers a number of benefits, including improved food quality, increased food safety, reduced food waste, and increased productivity. Blast chillers can be used to chill a wide variety of foods, including meats, poultry, seafood, fruits, vegetables, and prepared foods.


Controlli e automazione

Raffreddamento a liquido diretto su chip: il futuro della gestione termica dei data center ad alta densità

Data center power densities have surged to 12-30 kW per rack, making liquid cooling essential. Learn how single-phase and two-phase direct-to-chip systems work, refrigerant selection criteria, and critical design considerations for hoses, tubing, and couplings in modern high-density data centers.

Diagrammi di controllo HVAC

In questo post del blog introdurremo alcuni dei diagrammi di controllo HVAC più comuni. Forniremo inoltre una breve spiegazione di ciascun diagramma e di come i suoi componenti interagiscono. Gli schemi di controllo HVAC sono strumenti essenziali per la progettazione, l'installazione e la manutenzione dei sistemi HVAC. Forniscono una rappresentazione visiva dei componenti del sistema, di come sono interconnessi e di come sono controllati. Queste informazioni possono essere utilizzate per risolvere problemi, ottimizzare le prestazioni e prendere decisioni informate sugli aggiornamenti del sistema.