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Water is commonly used as a heat transfer medium to remove heat from refrigerant condensers or industrial process heat exchangers. It achieves this by interposing a film between moving surfaces that reduces direct solid-to-solid contact or lowers the coefficient of friction. Applications include pipes, tanks, vessels and equipment, and ducts. Understanding the role of a lubricant requires analysis of the surfaces to be lubricated. A unitary air conditioner or heat pump with more than one factory-made assembly (e.g., indoor and outdoor units) is commonly called a split system. Weather Data Center Air-to-Air Energy Recovery EquipmentAir-to-air energy recovery is the process of recovering heat or/and moisture between two airstreams at different temperatures and humidities. District Heating and CoolingDistrict heating and cooling (DHC) or district energy (DE) distributes thermal energy from a central source to residential, commercial, and/or industrial consumers for use in space heating, cooling, water heating, and/or process heating. DDC Controls (I-P), 10.0 PDHsThis course package is comprised of 3 individual courses: DDC Networks and Protocols; DDC Specification, Installation, and Commissioning; and DDC Introduction to Hardware and Software. HVAC Design Training: Level II - Applications (I-P), 12.0 PDHsThis training provides instruction in HVAC system design for experienced HVAC engineers and those who have completed HVAC Design: Level I Essentials. Hydronics 102: System Components, ASHRAE Journal, September 2015This article provides an overview of two common control devices in closed loop hydronic systems: expansion tanks and valves. Control Systems Library (I-P), 49.0 PDHsThis Library is comprised of 2 Course Packages: HVAC Control Systems, and DDC Controls. The Essential Guide for Commissioning Refrigeration Systems. Chapter 40. More recently there has been a resurgence of hydronic applications at the zone level as a result of the increased emphasis on energy conservation. ASHRAE (American Society of Heating, Refrigerating, and Air-Conditioning Engineers) is an organization devoted to the advancement of indoor-environment-control technology in the heating, ventilation, and air conditioning ( HVAC ) industry. The ASHRAE HVAC Design Training provided me with the information needed in order to carry out my position responsibilities more effectively. The designer selects and specifies the proper valve for the application to give the best service for the economic requirements. The energy is distributed by steam or hot- or chilled-water lines. I have been in the industry for several years but never had formal essentials training and this course was exactly what I needed. Chapter 30. Shaping Tomorrow's Built Environment Today, PACKAGED, UNITARY, AND SPLIT-SYSTEM EQUIPMENT, Officers, Directors, Councils, Committees, Staff, Science and Technology for the Built Environment, Instructor-Led Training Seminar and Short Courses, Self-Directed Learning / Group Learning Texts, Criteria for Annual Conference City Selection, Air-Conditioning System Components Heat transfer Equipment, Single Zone Air Handlers and Unitary Equipment, Standard 90.1: Energy Standard for Buildings, Standard 62.1: Ventilation for Acceptable Air Quality, HVAC Design Training: Level I - Essentials, HVAC Design Training: Level II - Applications, Commissioning Process in New and Existing Buildings, High-Performance Buildings Simplified: A Synopsis, Fundamentals of Design and Control of Central Chilled-Water Plants, Fundamentals of Heating and Cooling Loads, Air-Conditioning System Design Manual, 3rd ed, Principles of Heating, Ventilating, and Air Conditioning, 8. Heat ExchangersThis chapter describes some of the fundamentals, types, components, applications, selection criteria, and installation of heat exchangers. Energy Modeling Basics, ASHRAE Journal, December 2012Making a precise energy model capable of estimating the building's energy use is difficult because of the assumptions that have to be made and evaluated through the modeling process. Chapter 3. b. Digital archived issues are available back to 2008. Chapter 8. Desiccant Dehumidification and Pressure-Drying EquipmentThis chapter covers (1) the types of dehumidification equipment for liquid and solid desiccants, including high-pressure equipment;(2) performance curves; (3) variables of operation; and (4) some typical applications. However, data center operators should work with their cooling systems manufacturer to find a monitoring system that can integrate with their systems and adjust as necessary. Liquid Overfeed SystemsOverfeed systems force liquid in excess of the amount evaporated, either mechanically or by gas pressure, through organized-flow evaporators, separate it from the vapor, and return it to the evaporators. The ASHRAE Thermal Guidelines for IT Equipment that includes the Environmental Classes is an important Datacom book that provides environmental characteristics for data center operators to follow in achieving a data center that is energy efficient. It does not address criteria such as allowable moisture content, refrigerant quantity, and performance, which are specific to each machine. The training covers the technical aspects of design and allows participants an opportunity to expand their exposure to HVAC systems applications to increase energy savings and improve indoor environmental quality. Chapter 12. Standard 15.2 is designed to accommodate the use of A2L-classifi ed refrigerants in low-rise residential applications and is intended for use by manufacturers, installers, contractors, service technicians, building code officials, and others. The allowable metric is essentially a broad range within which the equipment can be expected to function properly. HVAC System Analysis and SelectionThis chapter addresses procedures for selecting an appropriate system for a given application while taking into account pertinent issues associated with designing, building, commissioning, operating, and maintaining the system. Indoor Air Quality Guide: Best Practices for Design, Construction and Commissioning is designed for architects, design engineers, contractors, commissioning agents, and all other professionals concerned with indoor air quality.. Summary (Part I) and Detailed (Part II) Guidance provides: Hundreds of internal and external links to resources for the design, construction, and Great job, ASHRAE! Chapter 10. A1 class equipment, which includes most enterprise servers and storage hardware, has the strictest temperature and humidity requirements, while the requirements become progressively less stringent for A2, A3 and A4 class equipment. Duct DesignIn this chapter, system design and calculation of a systems frictional and dynamic resistance (total pressure) to airflow are considered. Chapter 5. Chapter 18. Consulting Engineering Essentialsprovides an overview of ownership responsibilities and offer insights into business development, marketing of engineering services, planning and project management, accounting, and client management to help develop the project engineer into a well-rounded consulting engineer. Evaporative Air-Cooling EquipmentThis chapter addresses direct and indirect evaporative equipment, air washers, and their associated equipment used for air cooling, humidification, dehumidification, and air cleaning. Successful water system design depends on awareness of the many complex interrelationships between various elements. Worth every penny. Although it can be theoretically acceptable for Class A1 to operate at temperatures as high as 32 degrees C (89.6 degrees F), keeping server rooms at such high temperatures is generally frowned upon. Room Air Distribution EquipmentThis chapter describes room air distribution equipment, details its proper use, and is intended to help HVAC designers select the equipment applicable to outlined air distribution methods. They supply heat by a combination of radiation and convection and maintain the desired air temperature and/or mean radiant temperature in a space without fans. These provide flexible and affordable access to education and include skill development exercises to help evaluate your progress. But also for me one of the main values of an ASHRAE certification is that ASHRAE is a global organization and one of the finest in the HVAC industry, and if you are looking for some kind of international validation of your knowledge, skills and abilities, I am sure that you will not find a better certification. Very early in the design of a new or retrofit building project, the HVAC design engineer must analyze and ultimately select the basic systems and whether production of primary heating and cooling should be decentralized or central. Specific requirements are included for which refrigerants can be used, the maximum allowable refrigerant charge, accessories, and interconnecting piping, so that in the event of a full release of the refrigerant charge, the concentration in the space remains safely below the lower flammability limit of the refrigerant. Air filtration for spaces shall comply with Table 6.47.1. The ASHRAE HVAC Design Training provided me with the information needed in order to carry out my position responsibilities more effectively. Thermodynamics and Refrigeration Cycles Thermodynamics, another fundamental concept for HVAC, examines energy, its transformations, and its relation to states of matter. With more than 50,000 members from over 130+ nations, ASHRAE is a diverse organization dedicated to advancing the arts and sciences of heating, ventilation, air conditioning and refrigeration to serve humanity and promote a sustainable world. PsychrometricsPsychrometrics uses thermodynamic properties to analyze conditions and processes involving moist air and, as such, is a vital underlying concept for HVAC. Target Audience: New designers, contractors, and ManufacturerRepresentatives. Chapter 34. Chapter 23. Even if youve been in the industry for some time, this experience will be important. Check out a few of the people behind ASHRAE products, programs, and services. Any unit (e.g., blower coil, unit cooler, product cooler, cold diffuser unit, air-conditioning air handler) is considered a forced-air cooler when operated under refrigeration conditions. Read more. Single Zone Air Handlers and Unitary Equipment (SI), 3.0 PDHsThis course covers calculation/ maintenance of mixed air temperature with Single-Zone Air Handlers and Refrigeration Equipment. Fundamentals of Water System Design (I-P & SI), 35.0 PDHsThis course provides an understanding of the basic concepts of hydronic system operation and design including piping systems, pipe materials and fittings, centrifugal pumps, terminal units, expansion tanks and water chillers. Chapter 41. Unitary Air Conditioners and Heat PumpsUnitary air conditioners are factory-made assemblies that normally include an evaporator or cooling coil and a compressor/condenser combination, and possibly provide heating as well. PTACs are designed primarily for commercial installations to provide the total heating and cooling functions for a room or zone and are specifically for through-the-wall installation. Standards 15 and 34 provide essential guidance to manufacturers, design engineers and operators who need to stay current with new air conditioning and refrigerating requirements. ASHRAE Learn more, including how you can schedule a Distinguished Lecturer visit for your. The compressor circulates refrigerant through the system and increases refrigerant vapor pressure to create the pressure differential between the condenser and evaporator. Central Cooling and Heating PlantsThis chapter addresses design alternatives that should be considered when centralizing a facilitys cooling and heating sources. Thermal and economic performance, maintenance, and related operational issues are presented, with emphasis on energy recovery for ventilation. Specific sources for entries are listed in the endnotes. Heat reclaim heat pumps provide heating only, or simultaneous heating and cooling. Refrigerant Control DevicesControl of refrigerant flow, temperatures, pressures, and liquid levels is essential in any refrigeration system. Nonresidential Cooling and Heating Load CalculationsThis chapter discusses common elements of cooling load calculation (e.g., internal heat gain, ventilation and infiltration, moisture migration, fenestration heat gain) and two methods of heating and cooling load estimation: heat balance (HB) and radiant time series (RTS). Chapter 50. Chapter 40. For more information about ASHRAE Technology Portal, please contact 1-800-527-4723 or technologyportal@ashrae.org. Providing optimized conditions for preserving stored food is the primary function of a refrigerator or freezer. After ASHRAE approves your application, you will receive instructions on how to schedule your exam at a computer-based testing location. Refrigerant filter-driers are the principal devices used to remove contaminants from refrigeration systems. Data Center Environmental Guidelines Incorporated in This chapter covers the methods used to perform these functions. Halocarbon refrigerants are classified into four groups: chlorofluorocarbons (CFCs), which contain carbon, chlorine, and fluorine; hydrochlorofluorocarbons (HCFCs), which consist of carbon, hydrogen, chlorine, and fluorine; hydrofluorocarbons (HFCs), which contain carbon, hydrogen, and fluorine; and hydrofluoroolefins (HFOs), which are HFC refrigerants derived from an alkene (olefin; i.e., an unsaturated compound having at least one carbon-to-carbon double bond). ASHRAEs key standards guiding refrigerant identification and usage have been revised to meet governmental regulation and achieve improved performance. Chapter 4. Chapter 45. Understanding Walls, Building Sciences, ASHRAE Journal, June 2020 The most common examples for wall control layers and control approaches for wood frame and concrete masonry unit assemblies. Absorption EquipmentThis chapter surveys and summarizes the types of absorption equipment that are currently manufactured and/or commonly encountered. ValvesValves are the manual or automatic fluid-controlling elements in a piping system. Custom-engineered ammonia (R-717) refrigeration systems often have design conditions that span a wide range of evaporating and condensing temperatures. Chapter 37. Fluid FlowFlowing fluids in HVAC&R systems can transfer heat, mass, and momentum. For lower refrigeration temperatures, this requires a coolant with a freezing point below that of water. It covers the technical aspects of design and allows participants an opportunity to expand their exposure to HVAC systems applications to increase energy savings and improve indoor environmental quality. These are generally called brines by the industry. Part One: Radiant Heating and Cooling Systems, ASHRAE Journal, February 2015This two-part article describes basic knowledge of radiant heating and cooling systems to give a principle understanding of the design and operation of this advantageous system including comfort, system load, heating/cooling capacity, installation and application of the system with examples. Three questions on ASHRAE standards for data centers, Kusto Query Language primer for IT administrators, How to build a Windows Server 2022 home lab and why, How to perform an AD group membership backup and restore, Compare AWS Global Accelerator vs. Amazon CloudFront, Best practices for a multi-cloud Kubernetes strategy, How to effectively compare storage system performance, Promises, potential pitfalls of software-enabled flash, NetApp unites storage services under one console with BlueXP. In-space heaters may be either permanently installed or portable and may transfer heat by a combination of radiation, natural convection, and forced convection. In the 2022 edition of Air Movement and Control Associations award-winning magazine: Q&A with AMCAs new executive director and 2022-2023 president; your questions about life-safety dampers answered; reducing climate-change-induced heat strain and HVAC performance loss; remote fan monitoring; application of wind-driven-rain-resistant louvers. Chapter 39. Before delving into ASHRAE's temperature and humidity recommendations, it's important to understand that they vary based on the types of equipment installed. Halocarbon Refrigeration SystemsThis chapter focuses on systems that use halocarbons (halogenated hydrocarbons) as refrigerants. The digital Journal is available to all ASHRAE members. View a complete list of chapters from the most recent four-volume series. The design principles for both medium- and high-temperature systems are basically the same. Methods for Effective Room Air Distribution: Part 1, ASHRAE Journal, November 2012 Before applying new air-distribution technology solutions, it's important to understand the basics. Chapter 6. This metric is based on dry-bulb temperature, which is essentially the ambient temperature of the air surrounding the equipment. Green Principles for Residential Design Members-Only Free Access to Archived ASHRAE Journal Articles. Component Balancing in Refrigeration SystemsThis chapter describes methods and components used in balancing a primary refrigeration system. Learn more, including how you can schedule a Distinguished Lecturer visit for your chapter. But users must know when to use one over the other. InThe HVAC&R Industryyou'll get: New developments, meeting schedules and other ASHRAE information, A lead story that investigates breaking industry news and a feature story that takes an in-depth look at an industry topic in every issue. Chapter 19. ASHRAE Below is a sample of articles directly related to the basics of HVAC Design. The sources are introductory in nature to assist those new to the industry as well as provide direction to others who simply want to improve their fundamental design knowledge and skills. This was by far the best HVAC class I have ever taken. Chapter 38. Each volume is revised on a four-year cycle, with one volume published each year. It does not deal with HVAC systems or applications such as chilled-water systems. In engineering, however, the term heat pump is generally reserved for equipment that heats for beneficial purposes, rather than that which removes heat for cooling only. Wine chillers are often manufactured by the same companies using the same technologies as refrigerators and freezers. In 2004, the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) began maintaining a list of humidity and temperature level standards for data centers. Chapter 39. Two distinct chemical evaluations are generally undertaken when considering new refrigerant or lubricant candidates: (1) chemical compatibility testing to assess the stability of refrigerant and lubricant with each other and with system components, and (2) material compatibility testing to assess the stability of system component materials with refrigerant and/or lubricant. ASHRAE Standard 34 establishes a uniform system for assigning reference numbers, safety classifications, and refrigerant concentration limits to refrigerants. Listen, ASHRAE Technology Portal provides access to ASHRAE Journal. About ASHRAE ANSI/IES/ASHRAE Standard 90.1-2019 (SI units edition) Standard 90.1-2019 Users Manual (dual units) With more than 50,000 members from over 130+ nations, ASHRAE is a diverse organization dedicated to advancing the arts and sciences of heating, ventilation, air conditioning and refrigeration to serve humanity and promote a sustainable world. This chapter also includes a brief introduction to the very broad and dynamic field of indoor environmental health. 1. Chapter 22. Privacy Policy ASHRAE eLearning courses are just $42 for members with discounts available for groups of 5 or more. Residential In-Space Heating EquipmentIn-space heating equipment differs from central heating in that fuel is converted to heat in the space to be heated. When writing emails, I know the BEAP and BEMP designations after my name show my competence. In addition, a furnace may provide the indoor fan necessary for circulating heated or cooled air from a split or single-package air conditioner or heat pump. Applications include pipes, tanks, vessels and equipment, and ducts. ASHRAE The four-volume ASHRAE Handbook is a valuable reference. Organizations such as ASHRAE continually develop and modify standards to be released at the national level. HVAC Design Trainingis comprised of a series of four different training sessions. Most data center hardware is classified as A1 or A2, while A3 and A4 are more closely tied to workstation hardware and PCs. A water-source heat pump rejects or extracts heat to and from a water loop instead of from ambient air. Introduction to HVAC Systems (Dual), 2.0 PDHsThe course describes the basic vapor compression refrigeration cycle, and its components, and how it factors into the basic cooling portion of the typical heating, ventilating, and air-conditioning (HVAC) system. This chapter describes various technologies for air-to-air energy recovery. The fully searchable document contains an interactive table of contents with ads linked to advertisers Web sites. What to Consider When Designing for N+1, Engineers Notebook, ASHRAE Journal, November 2020 Author shares lessons learned when he was a system owner at a silicon wafer fabrication plant. Chapter 2. Guideline 11-2021 -Field Testing of HVAC Control Components. ASHRAE Journal articles provide peer-reviewed "need to know" information and thoughtful insight into the wide range of topics that influence building and system design, installation and operation. Mechanical Dehumidifiers and Related ComponentsThe correct moisture level in the air is important for health and comfort. It also presents information on specific hazards, and describes sources of exposure to each hazard, potential health effects, relevant exposure standards and guidelines, and methods to control exposure. Refrigeration Applications: The Art of Compromise, ASHRAE Journal, February 2020Refrigeration is full of compromises. The energy source may be liquid, solid, gaseous, or electric. VAV Terminal Units: Looking Back, Ahead: System Components, ASHRAE Journal, October 2015This Fundamentals at Work article explores commercial building variable air volume (VAV) terminal units. Flexible Design. Maintaining the proper temperature and humidity levels in a data center is a critical task for any organization with an on-premises IT environment. The complete archive of ASHRAE Journal issues starting from January 1997 is available. Portal provides access to ASHRAE Journal, February 2020Refrigeration is ashrae design guidelines of compromises and related operational issues presented... Brief introduction to the very broad and dynamic field of indoor environmental.... 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