Question 25Refrigeration/AC - Assistant Engineer70% to pass
How should small appliances with less than three pounds of refrigerant be charged with refrigerant?
AI Explanation
The correct answer is B) vapor charged.
Small appliances with less than three pounds of refrigerant should be charged with refrigerant in the vapor phase. This is in accordance with industry standards and best practices to ensure proper and safe charging of these types of systems. Vapor charging helps prevent liquid refrigerant from being drawn into the compressor, which could damage the system.
The other options are incorrect because liquid charging (D) is not recommended for small appliances, and a combination of liquid and vapor charging (A) is unnecessary and can lead to improper system operation. Vapor charging (B) is the proper and recommended method for these types of systems.
Related Questions
#23 If the superheat setting of a thermostatic expansion valve is set too low, what would be the result, assuming that the system has a single evaporator? #24 Which of the illustrated valves is used to gain access to a hermetic system and features a Schrader core valve which is unseated by the core depressor of hose fitting when attached? Illustration GS-RA-69 #26 Before charging a refrigeration unit, unless quick disconnect fittings are used, the refrigerant charging hoses should be prepared in what way? #27 Which of the illustrated devices would be the LEAST accurate for the purposes of weighing-in a refrigerant charge? Illustration GS-RA-45 #28 Concerning the charging of refrigerant into a vapor compression refrigerating system, which of the following is true?