MEP Service in Logan Square Chicago, IL.

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Searching for MEP Engineering in Chicago? The one to go to is NY Engineers. Not only for MEP Firms in Chicago but also Architectural Engineering and Sprinkler System Engineering in or near Logan Square Chicago. Contact us at 312 767-6877

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Property owners throughout Freeport, NY have come to depend on New York Engineers for a wide range of engineering services ranging from Sprinkler Engineering to Energy Modeling. That is why developers in Logan Square Chicago will tell you that if you are searching for a excellent MEP Engineering firm in Logan Square Chicago, Illinois you need to consider New York Engineers.

No doubt, you may have walked through any particular sort of building and seen the final results of MEP Engineering. In other words, MEP concentrates around the mechanical, electrical and plumbing aspects of engineering. In simple terms, MEP already gives rise to the most typical and spot-on notion of what is MEP. This article should go into some details of what is MEP Engineering.

So far as the mechanical part is concerned, for both residential and commercial engineering, this relates to anything that moves. In addition its entails the use of complex and easy machines and also other mechanical mechanisms to do certain tasks. Some normal mechanical engineering tasks which may be noticed regularly are kitchen or bath exhausts, HVAC units, cooling and heating air systems, heating & cooling equipment and systems which cope with enhancing the energy efficiency.

The electrical element of construction is centered on the components, functions, electrical safety, and most importantly, the wiring of any building. Engineers in this department try very hard to make sure that the schematics of the building are meant to bring ample electricity to every component in a safe manner ensuring that all of the electrical codes are followed. Some common electrical engineering jobs can be obtained from the lighting design, regulating the voltage and allocating the electricity to each component in the building that needs a supply.

plumbing, there exists a variety of plumbing factors that make up the final style of any structure. Plumbing engineering goes deeper than merely faucets, toilets, and sinks, and contains several behind the scene devices. These being the sewage and drainage lines along with the buildings household water supply and just how it flows.

As we conclude this article we have just considered what is MEP Engineering. MEP Engineering is managed in the construction industry. And, helps with completing the often overlooked technical elements of any building.

Hiring an MEP Engineering Firm in Logan Square Chicago is Necessary for Major Construction Projects

Hiring an MEP firm in Norwood Park Chicago, ILO, could have a whole lot to do with the success of your construction project. These pros will help offset the price of making this kind of hiring decision with regards to energy upkeep alone. While you are referring to big commercial structures, energy conservation is a vital topic of discussion. It’s time to discover another great factors behind employing MEP firm in West Lakeview Chicago, Illinois.

Engineers have a great deal to do with the structural reliability of your building. If you may well imagine, it means the hidden is extreamly vital. Design not merely deals in aesthetics but the underpinning of a building including its mechanism. That may be merely another solid good reason that employing an MEP engineering company is going to be helpful to any project.

Take into consideration all of the pipes and plumbing. Take into account the heating and cooling systems and how important it is to get all of its components inside the correct places. Energy conservation was discussed, however energy competence can be another important term to bring up. Energy competence has everything to do with your HVAC system, and it plays a huge role in energy conservation as a whole.

Consider your building’s foundation. Consider installing home security systems and also the security and safety measures put in place along the entire structure. With everything talked about up to now, it’s safe to say that many aspects of building construction can be either disregarded or underestimated short of MEP professionals on-the-job.

Now with this info you are going to look to get the best MEP engineering company in the business, right? It is very obvious how the best engineers have to be working in the large scale construction of commercial structures. Tailor made is definitely the right term to use to illustrate how these specilists will customize a construction job to meet the needs of your operations. Even with all of this information you would like additional info about the MEP Engineering services in Logan Square Chicago, Illinois by NY Engineers you should visit at our blog.

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Operating Modes of VRF Systems in HVAC Engineering

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Variable Refrigerant Flow (VRF) is an HVAC engineering (air conditioning) technology that achieves an extremely high efficiency by varying the flow of refrigerant to indoor units, based on the exact demand of each individual area. This ability to control the flow of refrigerant makes VRF systems ideal for applications with varying loads. In addition, VRF systems can also provide space heating, consolidating two building systems in one and saving space.

VRF technology is available in two versions – heat pump systems and heat recovery systems. Heat pump VRF systems can either cool or heat the entire building but cannot perform both functions at the same time. Heat recovery systems do not have this limitation and can serve simultaneous heating and cooling loads, thus leading to 3 different modes of operation:

  • Cooling mode
  • Heating mode
  • Simultaneous cooling & heating, or heat recovery mode

VRF Systems in Cooling Mode

In cooling mode, VRF operation is not very different from that of an air conditioning system: indoor units are supplied with liquid refrigerant, and an expansion valve inside each unit controls the amount of refrigerant flowing through. When refrigerant enters the cooling coil, it undergoes evaporation, removing heat from indoor air and thereby cooling the room. The heat extracted from indoor spaces is then rejected outdoors.

VRF systems are much more efficient than conventional packaged rooftop units (RTU), packaged terminal air conditioners (PTAC) and window units, according to HVAC engineering experts. Ductless mini-split systems and water-cooled chillers offer a similar efficiency in cooling mode but are unable to operate in heating mode.

VRF Systems in Heating Mode

Unlike cooling mode, where indoor units receive liquid refrigerant, here they are supplied with hot gas refrigerant. Gas flow to individual units is controlled with the same electronic expansion valves used for cooling mode, and the heating effect occurs when hot gas undergoes condensation.

The basic principle is still the refrigeration cycle, with the difference that heat is absorbed from outdoors and rejected indoors; in simple terms it is like air-conditioning the cooler outdoor environment to remove heat from it and use it indoors. This operating mode change is made possible with special 4-way reversing valves, which exchange the roles of evaporator and condenser between indoor and outdoor units.

In heating mode, the electric power consumed becomes useful heat, while in cooling mode it is rejected outdoors. Thus, a VRF outdoor unit can operate above 100% of its rated capacity when in heating mode. However, it is also important to note that the capacity may be derated, especially when the system is subject to a large variation in outdoor conditions. Longer piping lengths, longer distances between the outdoor unit and the last indoor unit, and higher vertical separation are some other causes of derating.

VRF Systems in Heat Recovery Mode

A heat recovery system is ideal when simultaneous heating and cooling are required. The greatest efficiency is achieved when the heating and cooling loads are equal, by maximizing the amount of energy transferred from one zone to another using the refrigerant. Heat rejection from cooling spaces can be utilized for space heating in the areas that need it at the same time. Thanks to this configuration, each occupant is free to choose either cooling or heating mode.

Heat recovery systems are very useful when a building has an east-west or south-north orientation with glass façades. East-west and south-north orientations cause a large difference in load requirements for each direction during the morning and evening, providing a chance for the VRF system to operate in simultaneous heating and cooling mode. Heat recovery is particularly useful in buildings with electrical rooms or data centers that need permanent cooling, since they also become a constant source of heat.

Heat Recovery System Piping Configurations in HVAC Engineering

Heat recovery systems come in 2-pipe and 3-pipe configurations, where the 2-pipe system is the option requiring the highest refrigerant flow. To operate with reduced flow, the 3-pipe system has a liquid line, a high-pressure gas line and a low-pressure gas line. The control function is achieved with a Mode Change Unit (MCU) or Mode Selection Box, which has three headers for high-pressure gas, low-pressure gas, and liquid.

  • When there are zones that need space heating, their indoor units work like condensers, supplying heat from the condensation of high-pressure refrigerant gas. After heating, the saturated refrigerant is fed to the liquid header.
  • Liquid refrigerant is then supplied to the units in space cooling mode, where it evaporates and absorbs heat, becoming a low-pressure gas.
  • The low-pressure gas is returned to its respective header and then to the compressor, repeating the cycle.

In this case, the outdoor unit must only provide the balance between heating and cooling – the one that is higher will determine the operating mode of the outdoor unit.

  • If cooling load is higher, the outdoor unit operates as a condenser, rejecting the surplus heat outdoors.
  • If the heating load is higher, the outdoor units operates as an evaporator, drawing from outdoor air the extra heat needed inside.

The best recommendation is locate the MCU in a public access area such as a corridor, thus minimizing noise and disruption for the end user. Maintenance of heat recovery systems is relatively easy, since the outdoor condenser unit is only connected to the MCU, facilitating system separation into upstream and downstream portions.

As per ASHRAE Standard 34-2013, the refrigerant concentration limit (RCL) is 26 lb per 1,000 ft3 of room volume for occupied spaces, and 13 lb per 1,000 ft3 for institutional buildings. This can be easily achieved by locating the units outside of compact rooms. According to Standard 15, a VRF system is classified as a direct system/high-probability system where a refrigerant leak can potentially enter occupied space.

The use of heat recovery systems in VRF proves to be better option, economically and environmentally, in these types of HVAC engineering systems. This spares the building owners from having to install and service two separate systems, while achieving a very high efficiency. With separate systems for space heating and cooling it is impossible to boost efficiency by exchanging heat, even if both systems are very efficient separately.

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MEP Engineers Logan Square Chicago! If you're searching for a competent MEP Engineering in Chicago? The one to go to is is NY-Engineers.Com. Not only for MEP Chicago but also Electrical Engineering and Sprinkler Design Engineering in Logan Square Chicago. Contact us at 312 767.6877 Successful builders throughout Peekskill, NY have come to rely on New York Engineers for a wide range of engineering services ranging from Mechanical Engineering to Engineering [...]

2018-09-18T08:41:42+00:00