Bubbles in the sight glass always indicate refrigerant shortage.
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Q1: With the entering air to the condenser
Q2: In a high-temperature refrigeration unit, the boiling
Q3: The process of ice making usually occurs
Q4: In a wastewater system, the water entering
Q5: An air-cooled R-12 refrigeration system is operating
Q7: Dirty condenser coils are often the cause
Q8: In a water-cooled condensing unit/cooling tower combination,
Q9: In a wastewater cooled system, the difference
Q10: Since many new replacement refrigerants are being
Q11: Because of the low refrigerant flow rate
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