Charging a Heatpump


Old 01-31-03, 06:33 PM
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Charging a Heatpump

Bouncing around the questions, I came across one relating to recharging and/or adding freon to heat pump in winter. I never gave it much thought, but does the outdoor temp effect how you would do this? Growing up in FL I guess it's not much of an issue, but I wondered about further north. What does happen in a really cold climate?
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Old 01-31-03, 07:11 PM
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H/P charging

very tricky is cold weather, easy to overcharge, as the cold o/d unit (evap) can hold a lot of refrigerant. most pros will go back in warmer weather to balance charge. some units have a charging chart inside the unit, many are charged to proper discharge line temp.

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