Question about Heating & Cooling
You need to be State certified to buy and handle Refrigerant. Adding is not hard though. You need to remove the casing, install a screw on Watsco or Bullet valve in the suction line if there is no tap already installed, purge the air and moisture from your hose and manifold, attach it to the valve and add as needed. Use an Amp Probe to monitor the current draw on the compressor while adding. The Name Plate will give you its current rating as FLA (Full Load Amps) or RLA (Regular Load Amps). If you have the tools and refrigerant, look it over before doing anything else. Is the largest of 2 or 3 lines on the compressor cold? Be careful of the smaller one, it could be very hot. If the compressor is running and there is not much or no temperature difference, hook up your gauge and check the pressure. The type of refrigerant in the unit should be marked on one of its plates or labels. Add GAS not Liquid and go slow. Pay attention to the larger line temperature and your gauge. I normally charge to about 38 degrees depending on compressor performance. Use the scale on the gauge that matches the type of refrigerant used in your Air Conditioner and be careful not to overcharge or allow the compressor to draw too much current while charging. If you are not sure of something, turn it off and let me know, OK? Let me know how it goes for you. Good Luck! Roger
Posted on Apr 10, 2011
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Posted on Jan 02, 2017
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