Remote Micro - Can't turn chiller on and off
Using remote micro processor user can't turn chiller on and off. Remote micro processor is in review mode. Press and hold the PUMP and UP buttons at the same time for 3-5 seconds....

RSES Journal - August 2006 -How to stay current with electrical know how
How to stay current with electrical know how. The attached article provides excellent information on basic electrical diagnostics

RSES Journal - August 2006 -Understanding the TXV
The attached article provides excellent information on basic TXV operation.

RSES Journal - Diagnostics using a pressure-temperature chart (P-T)
Manufactures of refrigerants, controls and other suppliers distribute hundreds of thousands of pressure-temperature (P-T) charts to the trades ever year. It would be rare to find...

RSES Journal - March 2006 - Refrigerant Blends - P-T Charts and Troubleshooting
Refrigerant Blends - P-T Charts and Troubleshooting

RSES Journal June 2007 - EPA and Greenhouse Gases Regulations
R-134A, R404A, R507 and R410A and HFC-base fire suppressants will likely fall under stricter regulations because of their global warming potential.

Running a chiller on generator power
Running a chiller on generator power can be problematic and is not recommended as a general rule.

In a commercial/industrial environment, end users tend to hook up mult...

Short on Temperature Sensor
What happens is if there is a short internally on the temperature sensor from the +3.5v to ground, this will cause the Controller's power supply to be pulled down, which inturn...

Solutions for fixing common TEV problems
When responding to a refrigeration service call, the refrigeration technician immediately plays "problem percentages" upon arrival. Most refrigeration equipment breakdowns are...

Sporlan - Using a T-P chart as a troubleshooting tool
Manufacturers of refrigerants, controls, and other suppliers distribute hundreds of thousands of pressure-temperature charts to the trade every year. It would be rare indeed to...

Supplemental Service Bulletin - Technical Bulletin - GLF-GLI-OEM #1
This Supplemental Service Bulletin has been published to address startup and commissioning tasks specific to Greenline Fabrications (GLF) and Greenline Industries (GLI) custom OEM...

Surviving Global Warming
It's too late to stop global warming. Now we have to figure out how to survive it. ~ A Newsweek article by Sharon Begley ~

Tank level switch intermittent trips
On chillers equipped with a tank level indicator the level switch intermittently indicates tank low when the tank is full or near full. Pump cavitation can cause excessive air...

Temperature Sensors - How to Test
Incorrect readings can be a result of a defective cable or one that was
lengthened improperly.
1) They are digital.
2) Troubleshooting depends on the symptom.

TEV installation, field service and assembly
Attached article provides detailed information on TEV:

1. Valve Location

2. Solder Techniques

3. Bulb Location and Installation

4. Ex...

TEV valve basics
The attached article includes basic information on TEV valve:

1. Theory of operation

2. Application

3. Valve selection

4. Refrigeration system basics

Toshiba Medical America Systems (TAMS) - No longer selling chillers for MRI

For many years now, Toshiba Medical America Systems (TAMS) has sold air-cooled chillers with their popular Vantage, Excelart, Opart and Opart Ultra Magnetic resonance...

T-P chart pocket size
The attached Pocket T-P chart provides the temperture / pressure relationships for most common refrigerants. The chart also provides a useful graphic on how to properly measure...

Typical Refrigeration piping diagram

Understanding Basic Chiller Service and Installation - PART 1
Excellent chiller service training article that delivers detailed information about basic refrigeration system design.