Download PDF by Robert S. Curl: Analyzing field measurements: air conditioning & heating
By Robert S. Curl
This guide is meant to aid engineers and technicians with a historical past of use of temperature, strain, humidity, ventilation, and flue gasoline tools, to interpret their readings of box measurements. This choice will point out the deficiencies of the approach verified and strategies of correction. development of operation almost always leads to relief of software charges. easy screens and directions will let non-technical body of workers to function gear successfully at minimal power bills. In a number of construction installations, this sort of regulate may possibly store up to seventy five% of upkeep time since you can research the of the procedure with the pc prior to you ship out the upkeep guy to make alterations. additionally, you'll be in a position to predetermine the precise challenge in order that a similar upkeep guy do not have to spend time checking a couple of goods until eventually he pinpoints the trouble. the data during this e-book will help construction proprietors, upkeep body of workers, contractors, and technicians in deciding on the operation of energy-using structures and strategies of reducing strength intake.
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Examine the operation of the dishwasher to determine if the washer can be only operated with full loads, Page 18 rather than allow it to operate with a light load of dishes or utensils. Dishwasher water flow and exhaust should be shut off entirely when dishes are not being cleaned. (8) Sinks Since kitchen sinks normally are supplied with 180° water, for sterilizing of pots, pans, make sure these faucets are shut off when not used. 4. Laundries a. Washers (1) Water flow control Laundry washers are designed and manufactured with quick opening water valves, so that the washer can be filled with hot water as quickly as possible.
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. c. If there is more than one condenser fan and they are not all running, unit is not at full load.
Certain State Code requirements are for so many CFM per person in the building. Code requirements for your particular area should be checked. The CFM times the number of people should give you the ventilation requirement. If there is exhaust in the building for toilets, heat generating equipment and any other devices, the air quantity coming in the outside air may be required to be increased by this amount. Page 28 Note that the physical position of an outside air or return air damper does not indicate the air quantity going through the damper.
Analyzing field measurements: air conditioning & heating by Robert S. Curl