Type I — Small AppliancesCâu 111 / 240
After recovering refrigerant into a recovery cylinder from several small appliances, a technician wants to reuse the recovered refrigerant in a customer's unit without sending it out. What is generally required?
a.Recovered refrigerant may be reused in any unit without restriction
b.It must always be destroyed after recovery
c.It may be vented if it looks contaminated
d.Refrigerant recovered from one owner's equipment may generally be returned to that same owner's equipment, or it must be reclaimed to purity standards before sale to a different owner
Giải thích
Refrigerant recovered on site may generally be recycled and returned to equipment owned by the same owner. To be sold or used in a different owner's equipment, it typically must be reclaimed to the required purity standard by a certified reclaimer. It may never be vented, even if contaminated.
Luyện miễn phí toàn bộ 240 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- A recycling center employee, who is not an HVAC technician, is the last person to handle scrap refrigerators before shredding. What must the facility ensure?
- A technician finds a household refrigerator whose sealed system was already opened and is now at 0 psig (atmospheric). During service the technician plans to recover any refrigerant present. What is the best action?
- A water cooler and a household freezer are both factory-sealed with about 3 pounds of refrigerant each. A technician servicing them must, at minimum, hold which certification and follow which recovery rule?
- A PTAC unit in a hotel room holds 4.5 pounds of R-410A and is factory-sealed. A technician must replace the compressor. Before opening the sealed system, the technician must:
- A technician's self-contained recovery machine is labeled as certified for small-appliance recovery. What performance does that certification confirm it can meet?
- A technician recovers refrigerant from ten small appliances into one recovery cylinder over a day. What must the technician watch to avoid overfilling the cylinder?
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