Description of a pressure control and how to set them and how they work .
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20 thoughts on “Pressure controls . How to set them and how they work .

  1. Dan Staseck says:

    Thank you Chris I have been in the trade for 20 yrs and just started doing refrigeration a year ago and your videos help and I thank you for this!!!! Don't work to hard.

  2. Jake M says:

    Some pro tips: (1) A scroll compressor is still a hermetic compressor. (2) Don't trust the numbers you set the control to. (3) Set up the low pressure control settings in your van with nitrogen and a swivel tee. Saves the compressor some stress. Saves you and the customer time as well. (4) I agree, the manual high pressure reset is the way to go if it's responsible for cycling a compressor. (5) Be clean with your capillary tube routing, don't let them rub against things, and ensure they are routed as to not let oil pool in them. (6) ALWAYS LEAK CHECK THEM. The low pressure diaphragm is prone to leaking, especially on Johnson brand controls. (7) For everyone's sake, don't over torque the flare fittings…

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