What precautions should be taken when charging liquid through the suction service valve?
a. When the compressor starts knocking close down the charging valve a little.
b. Restrict the flow of liquid if the amperage is above 10% of RLA or the valve frosts.
c. Make sure the condensing temperature is within 30° of the ambient air.
b. Restrict the flow of liquid if the amperage is above 10% of RLA or the valve frosts.
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