Why Measuring Static First Isn’t Always Productive

Why Measuring Static First Isn’t Always Productive May 25, 2017 Bryan Orr There is a big move in residential and light commercial HVAC toward measuring static pressure regularly during commissioning, service and maintenance. And don’t get me wrong Measuring static pressure is VERY important The challenge comes in when techs begin taking measurements without understanding where to take them, what …

Why You Need a Torque Wrench (or Two…)

Why You Need a Torque Wrench (or Two…) February 16, 2017 Bryan Orr I’ve got a confession to make. I’m ‘that guy’ call it OCD, call it being anal retentive, but I’m always making an effort to be as technically correct as possible, and one aspect of that effort has been the use of torque indicating or torque limiting tools when …

Troubleshooting the Relays

Troubleshooting the Relays Electric furnaces are intimidating to some technicians. I have seen so many over the years I have grown quite fond of working on them. In fact, my brother refers customers that have them to me. Now, they do have there down sides. The cabinets are close to the ground and usually the family dog lays right in …

Government Regulation

Government Regulation / Refrigerant Limbo Right now in my residential HVAC world 410a is the refrigerant of choice. But, of course, this is not my choice. The government and whatever large entities are privy to the decision making process made that decision. I am sure in my blissful ignorance I could not even begin to tell you how much clout …

5 Speed Inverter Software Issues

5 Speed Inverter Software Issues Compressor Inverter Fault | Fan Inverter Fault | Low DC Voltage Fault | Compressor Drop Out Fault | Stator Heat Fault | Fan Drop Out Fault   All of these recurring and unexplained faults were found to be inverter software issues. However, the compressor drop out fault could also be a loose high pressure molex …