Arkansas HVACR NewsMagazine November 2021

HVACR NewsMagazine November 2021

Tech News

be done simultaneously. Not only does that allow experienced technicians to cover more ground more thoroughly, but it also ensures that newer technicians don’t miss anything. For more information on commissioning, and for an extensive soup-to-nuts look at how you can use measureQuick for commissioning, here are some more resources:

https://hvacrschool.com/videos/residential- system-commissioning-kalos-meeting/

Insulate the trap and at least 5 feet of condensate

https://hvacrschool.com/videos/cooling- commissioning-measurements-walk-through- w-measurequick/

If the reservoir is mounted, make sure it’s securely fastened and doesn’t sag when water fills up. Secondary drain pans are important to check as well. If the drain pan is hung beneath a horizontally installed indoor unit, it can be beneficial to slightly tilt the pan to one corner (the corner where the pan switch is located). This tilt will trip the switch sooner and will keep the entire pan from filling up. To test the switches, lift the floats and observe whether or not the electrical path is broken. You can do this with the system running or by using a voltage or ohmmeter.

https://hvacrschool.com/videos/installation- mindset-ducts-venting-commissioning/

This overview is pretty specific to residential split system heat pumps. Much of the information in this article can also be applied to rooftop units and package units, but the main thing to remember is that no one application is ever quite the same as another. Every application you work on will have its quirks, and the best advice to follow no matter what you do is the Read The Fantastic Manual!

—Kaleb Saleeby

Bryan Orr, HVAC School ( Founder / Podcaster / Dad of 10 ) Bryan Orr is a lifelong learner, proud technician and advocate for the HVAC/R Trade

The NewsMagazine is grateful for them generously sharing the information with you and encourages you to subscribe to Brian’s web page. Click on the following picture to link to the site.

Whew! That’s a lot, isn’t it? The good news is that if you’re reading this article, you should already be familiar with measureQuick. And if you are already using measureQuick during service calls and commissioning, you know that a lot of the things covered in this overview can