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By Robert S. Curl

This guide is meant to help engineers and technicians with a history of use of temperature, strain, humidity, ventilation, and flue fuel tools, to interpret their readings of box measurements. This selection will point out the deficiencies of the process established and strategies of correction. development of operation almost always ends up in relief of software expenses. uncomplicated screens and directions will let non-technical team of workers to function gear successfully at minimal power expenditures. In a number of construction installations, this sort of keep watch over could retailer up to seventy five% of upkeep time since you can research the of the procedure with the pc sooner than you ship out the upkeep guy to make alterations. additionally, you can be in a position to predetermine the precise challenge in order that an analogous upkeep guy don't have to spend time checking a few goods till he pinpoints the trouble. the data during this e-book will help development proprietors, upkeep body of workers, contractors, and technicians in identifying the operation of energy-using structures and strategies of reducing power intake.

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Determine CFM. 2. If air direction is out, look for excess outside air supply. 3. If air direction is in: Page 14 a. Measure air direction into elevators. If strong, go to penthouse and look for ventilators or exhaust fans. b. Check kitchen for exhaust without makeup air. c. Check exhaust in storage, work areas, auditoriums and toilets. b. Air doors. 1. Measure direction of air in or out near floor and at top of opening. Outside wind velocities over 15 mph will blow through most air doors. c. Display windows.

700 Indian Trail Lilburn, GA 30247 Page iv Library of Congress Cataloging-in-Publication Data Curl, Tobert S. Analyzing field measurements: air conditioning & heating/Robert S. Curl. cm. Includes index. ISBN 0-88173-254-0 1. Air conditioning--Efficiency. 2. Cooling load--Measurement. 3. Heating load--Measurement. 4. Heating. I. Title. C871997697--dc2196-54291 CIP Analyzing Field Measurements: Air Conditioning & Heating By Robert S. Curl, Second Edition. ©1997 by The Fairmont Press, Inc. All rights reserved.

Thermal Storage: If use of cooling is intermittent, storage of cooling will permit operating smaller equipment for a longer time. If operation can be off peak, utility companies may provide a low rate. Measure compressor operation since suction temperatures are 25° or less. 3 kw per ton. -Ice is a good insulator and may increase power input if too thick. b. Heat Wheels: These devices are used with high outside and exhaust air columns. Surface condition may affect humidity removal. Measure static pressure drop and leakage around wheel.

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