Chiller Systems - Starting your Chiller
The attached PDF provides copies of factory required startup authorization and startup check list. NOTE: FAILURE TO PERFORM PROPER STARTUP MAY CAUSE OPERATIONAL DELAYS AND...

Chiller Systems Microprocessor Replacement
After performing a chiller microprocessor controller replacement on a dual state "D Series" chiller the second stage programming functions are not showing up in the programming...

Chiller Systems Recommended Maintenance
The attached PDF article provides factory recommended service items. Note: The schedule provided should be considered as a general guide for service tasks and frequency. In many...

Chillers and Data Centers - Greening the Data Center offered by Legacy Chiller Systems
What is a green data center? Data center industry stakeholders are discussing definitions in various consortiums and forums, but a obtainable document is not currently available

Chillers and Data Centers - Increasing Efficiency offered by Legacy Chiller Systems
IT (information technology industry, and data centers operator discussions. The focus has been driven by: Rising data center energy costs, the climate change debate and overall...

Chillers and Data Centers - Increasing Efficiency Plus Reliability offered by Legacy Chiller Systems
Enterprise data centers support the majority of financial and corporate institutions. Normally data centers are required to operate 24/7. These centers typically are operating...

Chillers and Data Centers - Outside Air Economizers offered by Legacy Chiller Systems
Compared to most types of commercial buildings, data centers are energy hogs. A large data center, for example, can easily consume as much electrical power as a small city....

Chillers and Data Centers -Data Centers - Heat Containment offered by Legacy Chiller Systems
Todays data centers are plagued with cool air oversupply and air distribution short-circuiting. Instead of supplying more chilled air, we can use a simpler approach to satisfy the...

Closed Loop Chiller System - Automatic Air Vents
A closed loop chiller system has many operational advantages over an open loop (open vented) system. Engineers and installers must consider automatic air removal when designing...

Closed Loop Chiller System Training by Legacy Chiller Systems
Webinar recorded 6-24-2008 covering closed loop chiller systems advantages and disadvantages. Presented by Legacy Chiller Systems with Panelists from International Chemtex Corp...

Compressor Hot Gas Bypass (HGBP) heating water
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...

Compressor Warranty
I have a 4 year extended warranty on my Copeland compressor. What are the procedures for warranty return? STANDARD Compressor Coverage: Legacy offers both standard and optional...

Convert Amperage between Single and Three Phase
The table below can be used to convert amperage between single phase and three phase and vice versa.

Copeland Semi-Hermtic Solid State Module Troubleshooting
Copeland Semi-Hermtic compressor will not start Possible issue with Copeland Solid State Compressor Motor Protector Attached article covers operation and troubleshooting...

Copper Pipes - Insulation and Heat Loss
The heat loss from an insulated copper pipe or tube to the surrounding air can be found in the table below.

Copper Piping Water Velocity Limits
The water velocity in copper pipes should be kept within certain limits to avoid erosion, corrosion and excessive noise generation.

DotMed Industry Sector Reports - Legacy Chillers
Chillers: Legacy Chiller Systems -Indispensable to Any Hospital's Operations by Jean Grillo

Electrical Definitions, Terms, and Formulas
• Volts - The units of electrical potential or motive force. The force is required to send one ampere of current through one ohm of resistance.
• Ohms - The units ...

GLF/API customer base training by Legacy Chiller Systems
Webinar recorded 7-16-2008 covering chiller service and maintenance information for biodiesel production plants. Presented by Legacy Chiller Systems.

Global Warming - Newsweek 2007
Aug. 13, 2007 issue - Sen. Barbara Boxer had been chair of the Senate's Environment Committee for less than a month when the verdict landed last February. "Warming of the climate...