Acceptable Equivalent Sound Levels
Acceptable Equivalent Sound Level - Leq - for different location can be taken from the table below:

Air Conditioning and Refrigeration Systems - Hot Gas Bypass
On many air conditioning and refrigeration systems it is desirable to limit the minimum evaporating pres-sure during periods of low load either to prevent coilicing or to avoid...

Algae: The ultimate in renewable energy
Pond Scum Fuel - By Marsha Walton, CNN:
Texas may be best known for "Big Oil." But the oil that could some day make a dent in the country's use of fossil fuels is smal...

Alternative Energy - Harvesting Green Power
Business Week - 11-13-2006 –Farmers are sowing the seeds of an alternative energy future. But how much of the country can we fuel on corn? By Adrienne Carter

Note:...

Basic Chiller System layout and design by Legacy Chiller Systems
BAsic Chiller System layout Webinar recorded 7-29-2008. Presented by Legacy Chiller Systems.

Centrifugal Pumps - Adapt Pump Capacities to Process Demand
Discharge Regulation of Centrifugal Pumps

Adapting pump capacities to process demand
It is often necessary to adapt the pump capacity to a temporary or permanent change ...

Centrifugal Pumps - design, dimensions, & standards
Centrifugal pumps design and dimensions standards Sponsored Links Standards of design and dimensional specifications are necessary to bring unity to centrifugal pumps. Standards...

Centrifugal Pumps - Volute Pump
A centrifugal pump converts the input power to kinetic energy in the liquid by accelerating the liquid by a revolving device - an impeller. The most common type is the volute...

Centrifugal Pumps & Positive Displacement Pumps
Pumps are in general classified as Centrifugal Pumps (or Roto-dynamic pumps) and Positive Displacement Pumps.

Chiller Control System - City Water Change Over Panel
How can I retro fit a Legacy City Water change over panel to a chiller that was not originaly shipped with one? When a chiller is order with an auto city water change over...

Chiller Economizer Operation - Video Training
Watch video or download the latest press and white paper information on Legacy Patented Economizer System.

Chiller Economizer Ready Chillers - By Legacy Chiller Systems
Ultra high efficiency aircooled and water cooled chiller by Legacy chiller systems. Downloadable submittal data on our most popular Economizer enabled applications.

Chiller Economizer System Training by Legacy Chiller Systems
Chiller Economizer Webinar recorded 7-1-2008. Presented by Legacy Chiller Systems.

Chiller Installation, Startup, and Maintenance
The attached PDF includes information needed for installation, startup and maintenance of all Legacy Scoll series chillers. PACT, PAC, ES, EST Scroll series systems

Chiller Phase Reversal - Poor Cooling and Pumping performance
Scroll compressor running but is loud with poor cooling and pumping performance. At startup: This condition commonly occurs at startup. When the chiller is run tested at the...

Chiller Problem - Microprocessor Pressure Transducer Error
Microprocessor shows an “Err” on the top screen and a pressure transducer error code on the bottom screen. Pressure transducer errors include:

"tL1" for compre...

Chiller Problems - HTA alarm on chiller startup
Upon start up, (HTA) hi temp alarm received on micro At the time initial startup, the microprocessor compares the process fluid temperature against the high temp alarm (HTA) set...

Chiller Problems - Microprocessor Low Flow error
Low flow error message on microprocessor controller. Compressor will not run. Micro-Processor "Low Flo" faults can be caused by:

1. Evaporator flow issues relate...

Chiller Problems - Microprocessor Low Pressure error
Low pressure (Lo1 or lo2) error message on microprocessor controller. After power up and compressor start, compressor stops before reaching the SP1 or SP2 set point and the...

Chiller Problems - Water Heating Up
When microprocessor set point (SP1,SP2) is set below 45F, the chiller runs constant and appears to be heating water rather than cooling. Gylcol freeze protection may have been...