This article deals with your personal safety when installing a new or replacement furnace. Topics covered include emergency procedures; clothing and safety gear; fall protection; electricity; lock out, tag out; GFCI; fuel safety; and confined spaces.
Using a vibration tester can enable technicians with no training in vibration measurement and analysis to test pumps, motors, compressors, and other HVAC equipment and get both diagnoses and recommendations for required action on the spot within just a few minutes.
“In one ear and out the other,” said a construction supervisor in a major real estate development company. “I would say to this one guy over and over again, ‘The details really matter.’ He was nodding his head, but I couldn’t tell if he was nodding to me or nodding with the music he was listening to. So finally I started making him take notes whenever I talked to him.”
Technology such as cell phones and the Internet tend to get a lot of recognition as fundamental elements of an advanced society. However, I believe there are overlooked, less glamorous technologies, that are fundamental to advanced societies. One of these is basic technological building blocks is refrigeration.
Bob and Tim were on their way to a residence where the occupants said their unit runs all day long, but the space temperature rises to 82°F while the thermostat is set at 75°. The unit shuts off during the night and the temperature inside is 75° in the morning, but during the day it rises.
Through the installation of ecobee EMS thermostats in the massive warehouse and office campus of food wholesaler SUPERVALU® in January 2012, the company was able to slash energy usage and realize a return on investment within one week of installing the thermostats.
Companies that routinely conduct criminal background checks need to take another look at their current policies and procedures. In April, the U.S. Equal Employment Opportunity Commission (EEOC) issued new guidance about the use of arrest and conviction records in hiring.
When tests indicated that the ventilation shafts in Ohio State University’s (OSU’s) William Hall Complex Extension had unacceptable leakage, workers were able to seal all 19 shafts of the six-story dormitory building in less than two weeks, saving costs and allowing the construction schedule to remain on track.
This past week, NBC’s Today show aired a segment that challenged the honesty and integrity of air conditioning technicians. Producers of the show staged a simple, easy-to-fix broken wire in an a/c system. Six technicians failed to make the proper recommendation. I believe that lack of proper training is a big part of the problem.
In this month’s troubleshooting problem, you have been called by a colleague who is relatively new to HVACR to assist in repairing a split system in a manufactured home. The original diagnosis regarding this unit that is sitting dead was that the PCB 3-amp fuse was blown, and when it was replaced, the new fuse also failed.
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