Tag: troubleshooting

Everything You Need to Know About Heat Pumps, and nothing you don’t.

Heat pumps are a mysterious collection of strange valves, complicated circuit boards, miles of wiring, and weird t-stat terminals like ‘O’ and ‘B’. Does the whole concept of heat pumps leave you bewildered and confused? Fear not. Read our series

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Becoming One with the Control Board

Everyone is familiar with the pit in the stomach feeling you get after opening a control cabinet and finding a circuit board staring you in the face. The thoughts that race through you head: What does it do? How do

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Scroll Compressors and Gaseous Pachyderms.

Have you ever come across a scroll compressor that sounds like an eighteen wheeler riding its jake-brake? For those of you who don’t know what a Jake-Brake is, look it up on Wikipedia. Until then, imagining a sound similar to

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CPS Solenoid Magnet, the “Why Didn’t I Think of That” tool of the week.

Some components are a real pain to troubleshoot; solenoid valves definitely fit in this category and inflict their fair share of misery.  Not anymore! CPS makes the TLMKC18, a magnet that slips over the solenoid’s stem, allowing you to activate

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Test Instruments; features you need, features you don’t.

Test Instruments; The features you need, and the features you don’t. It doesn’t matter if you work on residential, commercial or industrial equipment; today’s equipment is more high-tech than ever and servicing them requires sophisticated correct test instruments. So, how do

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If your vacuum pump doesn’t suck, it may be because your pump maintenance does.

If your vacuum pump doesn’t suck, it may be because your pump maintenance does. Vacuum pumps require maintenance, we all know that, and I bet your idea of proper maintenance probably sucks. (Sorry, I’ve never been known to sugarcoat the

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Site Glasses; Bubble, Bubble, Toil and Trouble…

Liquid line sight glasses are handy….now stop looking at them. Let’s get something straight right now; you DO NOT charge a system using the liquid line sight glass. PERIOD!! Ok then, Enlighten me oh, wizard of the refrigeration circuit…

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No Tachometer? No Problem!

So, you need to calculate a blower’s RPM to run a fan calculation and you don’t have a tachometer; you’re hosed Dude. But wait, there’s another way! If you have a tape measure and some basic math skills (or a cheap

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