Hvac Control System Wikipedia

HVAC control system - Wikipedia.

HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be taken (e.g. start the blower)..

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Glossary of HVAC terms - Wikipedia.

An HVAC system that has a stable supply-air temperature, and varies the air flow rate to meet the temperature requirements. Compared to constant air volume systems, these systems conserve energy through lower fan speeds during times of lower temperature control demand..

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Pennsylvania - Wikipedia.

Pennsylvania (/ ? p e n s I l ' v eI n i ? / PEN-s?l-VAY-nee-?; Pennsylvania German: Pennsilfaani), officially the Commonwealth of Pennsylvania, is a U.S. state spanning the Mid-Atlantic, Northeastern, and Appalachian regions of the United States.It borders Delaware to the southeast, Maryland to the south, West Virginia to the southwest, Ohio to the west, Lake Erie and the ....

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Heating, ventilation, and air conditioning - Wikipedia.

Heating, ventilation, and air conditioning (HVAC) is the use of various technologies to control the temperature, humidity, and purity of the air in an enclosed space.Its goal is to provide thermal comfort and acceptable indoor air quality.HVAC system design is a subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer..

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Texas - Wikipedia.

Texas (/ ' t e k s ? s /, also locally / ' t e k s I z /; Spanish: Texas, Tejas) is a state in the South Central region of the United States.At 268,596 square miles (695,662 km 2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by both area (after Alaska) and population (after California).Texas shares borders with the states of Louisiana to the ....

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Storm drain - Wikipedia.

A storm drain, storm sewer (United Kingdom, U.S. and Canada), surface water drain/sewer (United Kingdom), or stormwater drain (Australia and New Zealand) is infrastructure designed to drain excess rain and ground water from impervious surfaces such as paved streets, car parks, parking lots, footpaths, sidewalks, and roofs. Storm drains vary in design from small residential dry wells ....

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Dedicated outdoor air system - Wikipedia.

A dedicated outdoor air system (DOAS) is a type of heating, ventilation and air-conditioning system that consists of two parallel systems: a dedicated system for delivering outdoor air ventilation that handles both the latent and sensible loads of conditioning the ventilation air, and a parallel system to handle the (mostly sensible heat) loads generated by indoor/process sources ....

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Control system - Wikipedia.

A control system manages, commands, directs, or regulates the behavior of other devices or systems using control loops.It can range from a single home heating controller using a thermostat controlling a domestic boiler to large industrial control systems which are used for controlling processes or machines. The control systems are designed via control engineering process..

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Hitachi Data Systems - Wikipedia.

Hitachi Data Systems (HDS) was a provider of modular mid-range and high-end computer data storage systems, software and services. Its operations are now a part of Hitachi Vantara.. It was a wholly owned subsidiary of Hitachi Ltd. and part of the Hitachi Information Systems & Telecommunications Division. In 2017 its operations were merged with Pentaho and Hitachi ....

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Hybrid Synergy Drive - Wikipedia.

Hybrid Synergy Drive (HSD), also known as Toyota Hybrid System II, is the brand name of Toyota Motor Corporation for the hybrid car drive train technology used in vehicles with the Toyota and Lexus marques. First introduced on the Prius, the technology is an option on several other Toyota and Lexus vehicles and has been adapted for the electric drive system of the hydrogen-powered ....

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Thermal comfort - Wikipedia.

Thermal comfort is the condition of mind that expresses satisfaction with the thermal environment and is assessed by subjective evaluation (ANSI/ASHRAE Standard 55). The human body can be viewed as a heat engine where food is the input energy. The human body will release excess heat into the environment, so the body can continue to operate..

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Hydronics - Wikipedia.

Hydronics (hydro- meaning "water") is the use of liquid water or gaseous water (steam) or a water solution (usually glycol with water) as heat-transfer medium in heating and cooling systems.The name differentiates such systems from oil and refrigerant systems. Historically, in large-scale commercial buildings such as high-rise and campus facilities, a hydronic system may include ....

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Evaporative cooler - Wikipedia.

An evaporative cooler (also known as evaporative air conditioner, swamp cooler, swamp box, desert cooler and wet air cooler) is a device that cools air through the evaporation of water. Evaporative cooling differs from other air conditioning systems, which use vapor-compression or absorption refrigeration cycles. Evaporative cooling exploits the fact that water will absorb a ....

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Robot - Wikipedia.

A robot is a machine--especially one programmable by a computer--capable of carrying out a complex series of actions automatically. A robot can be guided by an external control device, or the control may be embedded within. Robots may be constructed to evoke human form, but most robots are task-performing machines, designed with an emphasis on stark functionality, rather ....

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Trane - Wikipedia.

Trane Technologies Inc. is a manufacturer of heating, ventilating and air conditioning systems and building management systems and controls. The company was a subsidiary of Ingersoll Rand Inc. which was the successor company to the American Standard Companies.Trane Technologies is now an independent company listed on NASDAQ (TT). It makes products under the Trane Brand ....

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Search engine marketing - Wikipedia.

Search engine marketing (SEM) is a form of Internet marketing that involves the promotion of websites by increasing their visibility in search engine results pages (SERPs) primarily through paid advertising. SEM may incorporate search engine optimization (SEO), which adjusts or rewrites website content and site architecture to achieve a higher ranking in search engine results pages ....

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Financial services - Wikipedia.

A commercial bank is what is commonly referred to as simply a bank. The term "commercial" is used to distinguish it from an investment bank, a type of financial services entity which instead of lending money directly to a business, helps businesses raise money from other firms in the form of bonds (debt) or share capital (equity).The primary operations of commercial banks include:.

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Indoor air quality - Wikipedia.

Indoor air quality (IAQ) is the air quality within and around buildings and structures.IAQ is known to affect the health, comfort, and well-being of building occupants. Poor indoor air quality has been linked to sick building syndrome, reduced productivity, and impaired learning in schoolsmon pollutants of indoor air include: Secondhand tobacco smoke, air pollutants from indoor ....

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Ice storage air conditioning - Wikipedia.

Ice storage air conditioning is the process of using ice for thermal energy storage.The process can reduce energy used for cooling during times of peak electrical demand. Alternative power sources such as solar can also use the technology to store energy for later use. This is practical because of water's large heat of fusion: one metric ton of water (one cubic metre) can store 334 ....

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What's the difference between VRV and VRF HVAC?.

Controlling those parameters is the only thing required for proper operation, and the only thing that is required for proper integration with the VRF system. VRF HVAC System types. Cooling Only systems (less popular) - those systems can only cool. Heating is not available. Fan and Dry modes are available for each indoor unit independently..

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Heat pipe - Wikipedia.

The spacecraft thermal control system has the function to keep all components on the spacecraft within their acceptable temperature range. This is complicated by the following: Widely varying external conditions, such as eclipses; Micro-g environment; Heat removal from the spacecraft by thermal radiation only; Limited electrical power available, favoring passive solutions.

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