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How do you get refrigerant from the bottle into the air con

\015 When charging a system both the unit and the bottle end up with the same pressure. how do you get the last of the bottle into the refrigeration unit. i allso think that the pressure reading i am looking for is the outside temp minis the evaporater temp and then look up the pressure/temp chart for that refrigerant, is that correct?. please help\015

Answers :

Hook up the gauges to the large line at the condenser, press in contactor, place ref can in hot water or at least water. the hoter the can the higher the pressue, dont use a torch. with the unit running the will be less than 65 psi at that low sidevalve. Outdoor pressure should be 200-285.

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How do you get refrigerant from the bottle into the air con


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