Hi, How do we pump down aircond?

Asked by Vivian on 03/16/2014 2  Answers

ManualsOnline posted an answer 10 years, 1 month ago

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5 I'm hvac tech with 20 yrs exp you have to install a tap onto the refrigerant line first with a schrader attachment then connect either of the two outside hoses on a set of refridgerant to the schrader port then connect the middle hose onto a vacuum pump turn on the pump and open the valve on the side of the gauges that has the hose on the schrader port and it will pump down
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