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 choice will point out the deficiencies of the process demonstrated and techniques of correction. development of operation almost always leads to aid of application bills. easy screens and directions will allow non-technical body of workers to function gear successfully at minimal strength expenditures. In a number of development installations, this kind of regulate might store up to seventy five% of upkeep time since you can research the of the process with the pc earlier than you ship out the upkeep guy to make changes. additionally, you'll be capable of predetermine the precise challenge in order that an identical upkeep guy don't have to spend time checking a couple of goods till he pinpoints the trouble. the data during this booklet will support construction vendors, upkeep group of workers, contractors, and technicians in choosing the operation of energy-using platforms and techniques of reducing power intake.
Read or Download Analyzing field measurements: air conditioning & heating PDF
Similar ventilation & air conditioning books
Geologische Prozesse und Erscheinungsformen, die f? r den T? tigkeitsbereich eines Bauingenieurs wichtig werden ok? nnen, werden anhand von Einzelbeispielen aus der Praxis vorgestellt und erl? utert. Eine aktualisierte Liste weiterf? hrender Literatur und eine Aufstellung von Institutionen, die geologische Untersuchungen und Beratungen durchf?
Within the previous few a long time civil engineering has gone through mammoth technological swap which has, certainly, been refleded within the terminology hired within the undefined. Efforts at the moment are being made in lots of nations to lead to a systematization and unification of technical terminology normally, and tbat of civil engineering specifically.
Thoroughly revised and up to date, this 5th variation of a bestseller is helping construction managers establish what to seem for and the way to guage earlier than you decide approximately which warrantly is healthier for his or her development and which ESCO can most sensible convey power reductions. This reference will retailer numerous hours doing power feasibility stories and linked calculations.
The 2014 ASHRAE Handbook€”Refrigeration covers the refrigeration apparatus and structures for purposes except human convenience. This quantity contains facts and assistance on cooling, freezing, and storing nutrition; business and clinical purposes of refrigeration; and low-temperature refrigeration; and encompasses a dual-unit CD.
- Structural Mechanics
- Earthquake Disaster Simulation of Civil Infrastructures: From Tall Buildings to Urban Areas
- Raumklimatechnik: Band 3: Raumheiztechnik (VDI-Buch) (German Edition)
- Building Project Appraisal: Analysis of value and cost
- Indoor Air Quality Guide - Best Practices for Design, Construction, and Commissioning
- Structure-Borne Sound: Structural Vibrations and Sound Radiation at Audio Frequencies
Additional info for Analyzing field measurements: air conditioning & heating
Inspect unit housing for air leaks. 15. Measure air static pressure entering and leaving unit. a. G. G. High static pressures indicate Page 6 restrictions in ducts. This is usually caused by dampers or turning vanes. Very low static may indicate duct leaks. D. Refrigeration Equipment Conditions 1. Air Cooled Units a. Measure air temperature entering condenser coil and leaving condenser fan. About 20° rise is normal. Compare with outside temperature. Does discharge air recirculate? b. Measure unit amps and volts and compare with nameplate.
Temperature control on each unit usually is a two position or three way valve. If two position is used, some means of bypassing water from the supply to return piping is necessary to prevent overloading pumps. If three-way valves are used full circulation is available all the time. Check the manufacturers capacity curves on the pumps for the most efficient operation. On three-way valves, it may be possible to close the bypass, then provide a control at the pump to put part of the supply water back into the return at the chiller.
5. Check for dirty or rusty blower blades, especially forward curve. Clean carefully. 6. Check for wheel out of balance. 4. Air Patterns a. Side Wall Grilles. 1. If air does not reach opposite wall adjust front blades, 1/3 bottom turned up, 1/4 top turned down. If front blades are vertical, adjust rear blades similarly. If rear blades are tied together set all up about half way from horizontal. Page 10 2. In winter to get heat to floor tilt blades downward. 3. Adjust vertical blades for room coverage.