Free Ebook HVAC Pumps Characteristics and Energy Efficiency Quick Book (Quick Books)
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Book Details :
Published on: 2015-03-01
Released on:
Original language: English
Most HVAC systems are designed to handle the maximum potential temperature extremes, keeping the building cool on the hottest days and warm on the coldest days. As a result, the HVAC system only needs to work at full capacity on the ten or so hottest and coldest days of the year. On the other 345 days, the system could be operated at reduced capacity. HVAC pumps are generally designed for peak conditions and the output of these systems is controlled by mechanically constricting the flow with throttling valves. This wastes energy. By using a variable speed drives, chilled water flows can be matched to actual heating and cooling demands. This 5-hour Quick Book course provides the students with a firm understanding of the basic principles that centrifugal pumps operate under. Topics covered include the performance curve, series operation, parallel operation, the affinity laws, friction, specific gravity viscosity, suction lift, and NPSH. Learning Objective At the conclusion of this course, the student will: 1. Understand the basic types of pumps used in HVAC applications. 2. Understand the key fluid properties such as viscosity, density, temperature, specific weight, concentration and vapor pressure. 3. Understand why pump performance in typically rated feet of head and not pressure. 4. Understand the various head terms such as suction lift, static head, discharge head, friction head, velocity head and pressure head. 5. Understand the laws of affinity and illustrate them with a pump operating under VFD control. 6. Understand the pump curve, system curve, operating point and the best efficiency point for the pump operation. 7. Understand the flat, smooth and drooping characteristic curve for the centrifugal pump and the applications for which it is best suited. 8. Understand the importance of specific speed and their relationship to the shape of impeller (radial, mixed or axial). 9. Understand pump cavitation and its relationship to net positive suction head (NPSH) available and required. 10. Understand the various techniques for flow control including throttling, speed adjustment and multi-pump installation considerations in parallel or series arrangement. 11. Learn by example the method to compute the frictional head through the HVAC chilled water system. 12. Define the pumping system efficiency and the tips to achieve the same. MARINE ENGINEERING - Maritime Downloads - Libramar An excellent and perfectly comprehensive textbook on marine machinery. The author of the book has covered such important areas of marine engineering as marine boilers ... Energy storage - Wikipedia Mechanical Compressed air energy storage (CAES) Fireless locomotive; Flywheel energy storage; Gravitational potential energy (device) Hydraulic accumulator Air Conditioning / Heat Pump Repair Guides - how to ... Air conditioner & heat pump repair procedures: The articles listed below describe in detail the inspection troubleshooting diagnosis and repair of all types of ... Solutions for cabinets and cold rooms - CAREL System energy efficiency is in large part the result of serial connection between pRack Hecu and the MPXPRO controllers on the showcases. Electric power transmission - Wikipedia Electric power transmission is the bulk movement of electrical energy from a generating site such as a power plant to an electrical substation. Home Energy Conservation AND The Card Board Shutter Based on the popularity of this Bubble Wrap window treatment here is a Cardboard Shutter: A really cheap and quick way to insulate ... Mass Save Energy Audit Home Energy Audit Energy ... Get an energy audit through Mass Save. Energy auditors provide home energy audits and energy efficiency rebates for home and business in Massachusetts. Air Conditioners: How to diagnose a burned-out air ... How to Diagnose & Fix a Burned-out Air Conditioning Compressor. BURNED-OUT COMPRESSOR - CONTENTS: how to diagnose a burned-out air conditioning compressor. pCO1 (I/O board) - Carel The CAREL solution for chillers/heat pumps with screw compressors has been developed around the pCO5+ range of programmable controllers. McCormick-Allum Co. We offer 24 hour HVAC Service and Repair including repair and diagnostics with licensed technicians. Learn More. Let our trained professionals come up with a creative ...
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